Background

Dr. Jeffery David Lewins was commissioned into the Royal Engineers after Sandhurst. Service in Korea, Germany and Scotland was 'interrupted' by reading Mechanical Science at Cambridge and taking a Nuclear Engineering PhD at MIT. In 1968 he left the Sappers to be the first Warden of Hughes Parry Hall for the University of London, teaching in University College, Queen Elizabeth College and Queen Mary College.

He has a second PhD from Cambridge and the London DSc(Eng). His books include IMPORTANCE; THE ADJOINT FUNCTION (1968) and NUCLEAR REACTOR KINETICS AND CONTROL (1978) and he contributed the sections on nuclear power to the MECHANICAL ENGINEERS' HANDBOOK (1992) and the ENCYCLOPAEDIA OF ECOLOGY AND ENVIRONMENTAL MANAGEMENT (1995).

His achievements range from the Gold Medal at Sandhurst to Presidency of the Institution of Nuclear Engineers. Dr Lewins succeeded Dr Roger Morris as Director of Studies in Engineering, handing over to Dr Babinsky and Dr Alboussiere on retirement from the governing body, and Mickey Dias as Praelector in 1987, and combines this as former Kipling Fellow with encouraging Kipling Scholarship in Magdalene and the expanding College computing facilities. He was a Trustee of the ADC and a member of the University's Military Education Committee, and Member of Council of the Kipling Society. He was a Chartered Engineer and Panel Chairman for the Engineering Council's Quality and Audit Committee.

He passed away on 23 August, 2019 in Cambridge, England.

Research Interests

Dr Lewins' field of research is the application and interpretation of mathematical methods to nuclear power problems. The focus is on understanding and exploiting variational and perturbation methods, leading to new optimising techniques. The scope ranges through reactor kinetics and control, in-core fuel cycle optimisation, heat transfer and thermodynamics; stochastic theory, reliability and safety.

He was Editor of the annual review series ADVANCES IN NUCLEAR SCIENCE AND TECHNOLOGY (Plenum) and is General Editor of the Research Studies Press series of RESEARCH STUDIES IN NUCLEAR TECHNOLOGY.

Publications

Historical

1. Lewins, J. Nuclear Engineering 5: Chemical Engineering 50, New Scientist, 48, (725) 230-231, (1970).
2. Lewins, J. Life in a Hall, University London Bulletin, (1973).
3. Lewins, J. The First European Nuclear Conference J. I. Nuc. E.,16, (4) 99-101 (1975).
4. Lewins, J. Preface 'History of Nuclear Power', (R. Pocock), Inst. Nucl. Engr., 1977.
5. Lewins, J. The Fusion Energy Programme, The Times, 11 January, 13 1977.
6. Lewins, J. Annual Report to the Institution of Nuclear Engineers, J. I. Nucl. Engrs., 19, 3-5 (1978).
7. Lewins, J. UKSC Computer Simulation Conference, 1978, J. British Computer Society, October, (1978).
8. Lewins, J. Reactors from Russia, Nature, 285, 678 (1980).
9. Lewins, J. D. Nuclear Energy, in The Encyclopaedia of Ecology and Environmental Management, Butterworths 1998.y, 8, 445 (1983).
10. Lewins, J. D. A Review of Developments in Reactor Physics, or Look Back in Astonishment, The Nuclear Engineer, 25 (5) 156, 1984.
11. Lewins, J. D. The Institution of Nuclear Engineers Simulation Conference. Nuclear Europe, (6) (1984).
12. Lewins, J. D. Conference Report: Cambridge International Conference. Proceedings: 5th International Meeting on Thermal Nuclear Reactor Safety, KTG, (September, 1984). Int. J. Mech. Engr. Educ.
13. Lewins, J. D. ENC '86: Impressions day by day. The Nuclear Engineer, 124 (1985).
14. Worley, N., Lewins, J. D. and Lakey, J. A.: Chernobyl: five years on. Watt Committee on Energy (1990).
15. Lewins, J. D. 'The Fusion Trail Goes Cold', The Nucl. Engr. 30, (6), 181, 1990.
16. Lewins, J. D., 'Eugene Wigner' obituary, The Nuclear Engineer, 35 (6) 204, 1994.
17. Lewins, J. D., Reactor Physics and Reactor Computations (Review), The Nuclear Engineer, 35, (3) 105, 1994.
18. Lewins, J. D., William Cecil: Inventor of the Internal Combustion Engine, Magdalene College Record, Cambridge, 1997.
19. Lewins, J. D. 'Professor Jack Edwards', The Nuclear Engineer 40 (3), p80, 1999.
20. Lewins, J. D. Comment on History of Fast Reactors, The Nuclear Engineer 40 (3), p99, 1999.
21. Lewins, J. D., An Explosive Situation, The Nuclear Engineer, vol. 40, No. 5, pp166, 1999.
22. Lewins, J. D., Reminiscences: The Nuclear Engineer, vol 40 (5) p166 1999.
23. Lewins, J. D., Coronation Day in Korea 1953, Royal Engineers Journal 116 (1) April 2002.
24. Lewins, J. D., Mine warfare in Korea, Royal Engineers Journal 116 (1) 54-57 April 2002.
25. Lewins, J. D., Another 50th Anniversary, RE Journal 116 (2) 169-170 2002.
26. Lewins, J. D., The Queen's Gold Medallists 1952-2002, 1 RE Journal 118 (2) 88-9 2004
27. Lewins, J. D., A Bridge Pin Too Few, J Inst R Engrs, 118 (2)131-132 2004.

Nuclear Reactor Theory and Radiation Protection

1. Lewins, J. A Contribution to Black Control Rod Worth, Nuc.Sci. and Engr., 4, 500-502 (1958).
2. Lewins, J. and Thompson, T. J. The Reactivity Worth of the Upper Reflector of the MIT Reactor, Trans. Amer. Nucl. Soc. 2, (1), 78-79 (1959).
3. Lewins, J. Surface Perturbation Theory, Nucl. Sci. and Engr., 7, 481-486 (1960).
4. Lewins, J. Minimum Fuel Loading in Nuclear Reactors, Nuclear Energy, 103-109 (Apr.) (1963).
5. Lewins, J. Two Group Importance Functions without Solving the Adjoint Equations, Nuclear Energy, 164-165 (June) (1963).
6. Lewins, J. On the Spectrum of Neutrons Slowing Down Near an Interface, Nuclear Energy, 262-265 (Sept.) (1963).
7. Lewins, J.D., The Weighting Functions of Reactor Physics, J. Brit. Nucl. Energy Soc., 2, 326-334 (1963).
8. Lewins, J. Inhomogeneous Perturbation Theory for Lattice Fuel Cycle Calculations, Trans. Amer. Nucl. Soc., 7, (2), 211 (1964).
9. Lewins, J. The Effect on Thermal Utilization of a Spatially Varying Source, J. Brit. Nucl. Energy Soc., 3. 307-310 (1964).
10. Lewins, J. The Design of Nuclear Power Reactors with a Uniform Thermal Power Distribution, Nucl. Energy, April, 99-104, (1964).
11. Lewins, J. Some Geometrical Factors for Reactivity Calculations, Nucl. Energy, August, 220-225 (1964).
12. Lewins, J. An Inhomogeneous Perturbation Theory with an Application to Changes in Thermal Utilization of a Lattice Cell during Fuel Irradiation, Nuclear Energy, 143-150 (1965).
13. Lewins, J. Nonlinear Perturbation Theory, Trans. Amer. Nucl. Soc., 8, (1), 228 (1965).
14. Lewins, J. The Stationary Calculation of Ratios in Reactor Statics, BNFL - 156 (1965).
15. Lewins, J. Importance; The Adjoint Function, Pergamon, Oxford (1965).
16. Lewins, J. Optimum Shielding Theory, Trans. Amer. Nucl. Soc., 8, (2), 492-493 (1965).
17. Lewins, J. Optimization Theorems in Reactor Physics, Trans. Amer. Nucl. Soc., 8, (2) 534-535 (1965).
18. Lewins, J. Reactor Optimization, Nuclear Energy, 20-26 (Jan.) (1966).
19. Lewins, J. A Variational Principle for Ratios in Critical Systems. J. Nucl. Energy A/B, 141-143, 20, (1966).
20. Lewins, J. Development in Perturbation Theory, Advances in Nuclear Science and Technology, 4, Academic, New York (1968).
21. Lewins, J. A Teaching Example of Generalised Perturbation Theory Nuclear Energy, (Nov./Dec.) (1969). Engr., 40, 361 (1970).
22. Lewins, J. Developments in Variational Theory and Perturbation Theory. Advances in Reactor Physics and Shielding, U.S.A.E. Conf. - 720901, 162-167 (1972).
23. Fadilah, S. and Lewins, J. (Eds.), Optimum Fuel Management, Trans. Amer. Nucl. Soc., 20, 1974.
24. Lewins, J. Transport Eigenvalues, Nucl. Sci. and Engr., 62, 180 (1976).
25. Lewins, J. Linear Stochastic Neutron Transport Theory, Proc. R. Soc. Lond., (A) 332, 537-558 (1978).
26. Lewins, J. 'Developments in Stochastic Importance Functions', Nucl. Engr. Educ. Conf., London, (1978).
27. Lewins, J. Supplementary notes on fuel-cycles, Queen Mary College, ET-6030 (1978).
28. Lewins, J. Transport theory as a singular integral equation, Queen Mary College, ET-6031. (1979).
29. Salmi, U. and Lewins, J. A multigroup energy formalism for reactor stochastic equations in the space-independent low power model. Annals of Nuclear Energy, 7, 99 (1980).
30. Lewins, J. D, Nuclear Power. In: Ledermann Handbook of Applicable Mathematics. Edited by G. O. Davies. (Wiley, 1984).
31. Lewins, J. D. Terminology for adjoint equations and operators. Nuclear Science and Engineering, 87, 195 (1984).
32. Lewins, J. D. Adjoint operator terminology. Annals of Nuclear Energy, 311 (1984).
33. Lewins, J. D., Boltzmann linear transport theory. CUED/A. TR3 (1984).
34. Lewins, J. D. A quadratic reactivity fuel-cycle model. Trans. American Nuclear Society, 50, 239 (1985).
35. Parks, G. T. and Lewins, J. D. An exact transient stochastic solution for low-power Neutron multiplication. Annals of Nuclear Energy, 12, 65, (1985).
36. Lewins, J. D. and Smith, P. R. The reactivity effect of Xe. Annals of Nuclear Energy, 13, 165 (1986).
37. Lewins, J. D., Parks, G. T. and Babb, A. L. Higher order perturbation theory - an example for discussion. Nuclear Science and Engineering, 94, 380 (1986).
38. Graca, C. O., Lewins, J. D. and Parks, G. T., Optimization of blanket design for fusion reactors by higher order perturbation theory. Nucl. Energy, 27, 121 (1988).
39. Parks, G. T. and Lewins, J. D. A point reactivity model for in-core fuel cycles, Nuclear Technology, 82, 267 (1988).
40. Koreshi, Z. U. and Lewins, J. D., Two-Group Monte Carlo Perturbation Theory and Applications in Fixed Source Problems. Progress in Nucl. Energy, 24, 27 - 38, (1990).
41. Bosari, R., Lewins, J. D. and Trombetti, T., Invariance Relations for Bilinear Functionals in the Evaluation of the Anisotropic Scattering Source, Annals Nucl. Energy, 17, 515, (1990).
42. Koreshi, Z.-U. and Lewins, J. D., Monte Carlo Perturbation Theory. - I.A.E.A conference, Budapest (1990).
43. Poon, P. W. and Lewins, J. D. Minimum Fuel Loading, Annals Nucl. Energy, 17, 245 (1990).
44. Poon, P. W. and Lewins, J. D. Adapting a genetic algorithm to find core reload patterns. Proc. AI-91: Frontiers in Innovative Computing for the Nuclear Industry, 654-664, September, 1991.
45. Koreshi, Z.-U., Kinrot, A. and Lewins, J. D., Neutronic sensitivity analysis of the experimental test reactor Tiber-II blanket design. Fusion Technology 22, (3), 371 (1992).
46. Lewins, J. D. A Survey of Variational Principles, in Proc. Int. Nathiagali Summer College on Physics and Contemporary Needs, K. Yaldram and N. N. Awain, Eds., PINSTECH, Islamabad, 1992.
47. Parks, G. T. and Lewins, J. D. In-core fuel management and optimization - the state of the art. Nucl. Europe World Scan, 41 (3-4) 4, (1992).
48. Lewins, J. D., Ionising Radiation Risks: Rules of 'Five and Ten', The Nuclear Engineer, 35, (2) 54, 1994.
49. Lewins, J. D., in 'Extrapolation of Dose Response Data for Risk Assessment', Trans. I.Chem.E. (B) 73 (B4), November, 1995.
50. Lewins, J. D. and Ngcobo, E. N. N., Property Discontinuities in the Solution of Finite Difference Approximations to the Neutron Diffusion Equations, Ann. Nucl. Energy 23, (1) 29-34, 1996.
51. Allagi, M. O. and Lewins, J. D., On the Accuracy of keff Estimates by Monte Carlo Method, Ann. Nucl. Energy 24, 793-818, 1997.
52. Allagi, M. O. and Lewins, J. D., Real and Virtual Sampling in Variational Processing of Stochastic Simulation in Neutron Transport - the One-dimensional Rod, 25(18), pp1521-1542, Annals Nucl. Energy, 1998.
53. Allagi, M. O., Lewins, J. D. and Parks, G. T. Variationally Processed Monte Carlo Transport Theory, Ann. Nucl. Energy 25 (13), 1055-1068, 1998.
54. Allagi, M.O. and Lewins, J.D. Virtual sampling in variational processing of Monte Carlo simulation in a deep neutron penetration problem, Annals Nucl. Energy 26(7), 611-628, 1999.
55. Allagi, M.O. and Lewins, J.D. Variational Processing of Stochastic Simulation in Neutron Transport: the Three-dimensional System. Annals Nucl. Energy, 27, 483-503, 2000.
56. Allagi, M.O. and Lewins, J.D. Higher-order Variational Perturbation Expressions in Fixed Source Problems using Monte Carlo Trial Functions, Annals Nucl. Energy 27(7), 607-623, 2000.
57. Lewins, J.D., Adjoint Monte Carlo Transport Theory, Monaco conference on Monte Carlo, June 2000.
58. Lewins J, On Gandini's defence of generalised perturbation theory, Annal Nucl Energy, 30 (13) Pages 1389-1390, September 2003.
59. Lewins J, Flat-Flux in a Two-Group Diffusion Model, Annals Nuclear Energy, 2004.
60. Lewins J D, Minimum and Maximum Fuel loading in a Two-group Model with Constraints, Trans Amer Nucl Soc Winter Meeting, New Orleans,. 621, 2003.
61. Lewins J, Exact numerical solutions of the reactor kinetics point equations, Nucl Sci and Tech, to appear June 2006.
62. Lewins J, Renaming the Generation Time the Reproduction Time, Annals Nucl Energy 33 1071 (2006).
63. Lewins J , Reply to "Comments on 'A Resolution of the Stiffness Problem of Reactor Kinetics'", Nucl Sci and Engr 153 202, 2006.

Dynamics and Control

1. Lewins, J. and Macmillan, R. H. An Improved Plant Characteristic and its Application. Proc. Conf. Soc. Inst. Tech., Cambridge 1956, 225-237 (1957). 
2. Lewins, J. Use of the Generation Time in Reactor Kinetics Problems, Nucl. Sci. and Engr., 7, 122 (1960).
3. Lewins, J. Time Dependent Adjoint Equations for the Transport, Continuous Slowing Down and Diffusion Models, J. Nucl. Energy A
4. Lewins, J. Time Dependent Importance of Neutrons and Precursors, Nucl. Sci. and Engr., 7, 268-274 (1960).
5. Lewins, J. On the General Solution of the Reactor Kinetics Equations, Nucl. Sci. and Engr., 11, 97 (1961).
6. Lewins, J. The Reduction of the Time-Dependent Equations for Nuclear Reactors to a Set of Ordinary Differential Equations, Nucl. Sci. and Engr., 9 399-407 (1961).
7. Lewins, J. Kinetic Behaviour of Nuclear Reactors, Nuclear Energy, 378-384 (Oct.) (1962).
8. Direct Measurements of Reactivity in a Subcritical Reactor Using a Repeated Pulsed Neutron Source, Nuclear Energy, 316-318 (Nov.) (1963).
9. Lewins, J. A Note on the Adjoint Function in the Time Optimal Xenon Shutdown Problem, Nucl. Sci. and Engr., 23, 404-405 (1965).
10. Lewins, J. and Benham, R. D. Time Optimal Xenon Shutdown on the Xenon-Boundary, BNFL - 186 (1966).
11. Lewins, J., Williamson, T. J. and Babb, A. L. Energy-Optimal Xenon Shutdown, Trans. Amer. Nucl. Soc., 9, (1) 281-282 (1966).
12. Lewins, J. Optimal System Operation with State Restrictions, Nuclear Energy, 53-57 (March/Apr.) (1967).
13. Lewins, J., Williamson, T. J., Woodcock, G. R. and Babb, A. L. Energy Optimal Xenon Shutdown, Nucl. Sci. and Engr., 31, 272-281. (1968).
14. Lewins, J. and Babb, A. L. Optimal Reactor Control Theory, Advances in Nuclear Science and Technology, 4, Academic, New York (1968).
15. Lewins, J. 'Non Linear Systems', Lecture Notes University College, London (1969).
16. Lewins, J. Lecture Notes on Reactor Kinetics and Control, Queen Mary College (QMC-ET 6000), London (1970).
17. Lewins, J. and Fadilah, S., Optimum Variable Viscous Damping, QMC Paper NE 1013, (1973).
18. Lewins, J. Neutron Fluctuations in a Critical Reactor, J. Institution of Nuclear Engineers, 15, 1974.
19. Lewins, J. On the Interpretation of the Markov Process, Atomkernenergie, 23 (1974).
20. Fadilah, S. and Lewins, J. Optimal Control Rod Programs in Power Reactors, Annal. Nucl. Energy, 3, 443-540, Pergamon (1975).
21. Lewins, J. Nuclear Reactor Kinetics and Control, Pergamon, Oxford, 250 pp. (1978).
22. Lewins, J. Reactor Noise Theory as a Markov Process, Atomkernenergie, 31, (4), 223-236 (1978).
23. Lewins, J. Systems simulation 1977 (review), J. British Computer Society, May, (1978).
24. Lewins, J. D. Convergence of a generalised transient fuel-cycle model. Annals of Nuclear Energy, 13, 529 (1985).
25. Smith, D. C. G. and Lewins, J. D. Sophisticating a naive Liapunov function for the prompt-jump model of a nuclear fission reactor at power. Annals of Nuclear Energy, 13, 43 (1986).
26. Lewins, J. D. In-core fuel cycle transients, Nuclear Technology, 76, (1), 68 (1987).
27. Parks, G. T. and Lewins, J. D. Quadratic reactivity fuel-cycle model stability. Annals Nuclear Energy, 14, (3), 145, (1987).
28. Lewins, J. D. An exact second integral for an elementary model of a reactor accident. Annals Nuclear Energy, 15, (9), 477 (1988).
29. Lewins, J. D. and Parks, G. T. in Neutron Stochastics: a NATO Workshop, Valencia, 1989. Plenum.
30. Lewins, J. D.: Advances in nuclear reactor control. IAEA Summer School, Karlsruhe (1991).
31. Lewins, J. D. Train derailment model. Int. J. Mech. Engr. Educ. 20, (1) 50 (1992).
32. Lewins, J. D., Reactivity Oscillations and Stability with Delayed Neutrons, Annals Nucl. Energy, 22, (6) 411-414, 1995.
33. Lewins, J. D., The adiabatic Fuchs-Nordheim model and non-dimensional solutions, Ann. Nucl. Energy, 22, (10) 681-686, 1995.
34. Lewins, J. D. and Wilson, P. Gross Xenon Stability. Nucl. Technology, 117, 15-39, 1997.

Thermodynamics, Heat Transfer and Fluids

1. Rohsenow, W. M., Barger, J. P. and Lewins, J., Thermal Resistance Concept Aids Fuel-Temperature Calculations, Nucleonics, 17, (5), 150-161 (1959).
2. Lewins, J. Time-Dependent Variational Principle for Non-conservative Systems. Nucl. Sci. and Engr., 20, 517-529 (1964).
3. Lewins, J. D. Forward and Backwards in Thermodynamics, The Nuclear Engineer, 25, (6) 224, 1984.
4. Lewins, J. D. Constructing temperature and entropy scales. International Journal of Mechanical Engineering Education, 12, (3), 167 (1984).
5. Lewins, J. D. Thermodynamic temperatures - a dimensional analysis. International Journal of Mechanical Engineering Education, 12, (3) 203 (1984).
6. Lewins J. D. Jacobians in thermodynamics, International Journal Mechanical Engineering Education, 14, (1) (1986).
7. Lewins, J. D. Work in Mechanics and Thermodynamics. Int. J. Mech. Engr. Educ., 17, 131 (1989).
8. Lewins, J. D. Jacobians and the Maxwell relations. Int. J. Mech. Engr. Educ., 17, 12 (1989).
9. Lewins, J. D. Modular theory of simple heat exchangers. Int. J. Mech.Engr. Educ. 17, (4) 255, 1990.
10. Lewins, J. D. On the Modular Theory of Heat Exchangers. Int. J. Mech. Engr. Educ. 18, 179 (1990).
11. Lewins, J. D., Non-dimensional temperature distributions in a nuclear rector, Universities Nuclear Technology Forum, Surrey, (1991).
12. Cockerill, T. T. and Lewins, J. D. The Ranque-Hilsch Vortex Tube, in Research Symposium, BNFL-Risley, December, 1992.
13. Lewins, J., Thermodynamics: Foundations and Applications; book review, I. Mech. E: Proceedings Part C J. Mech. Eng. Science 206, C5 (368 - 370), 1992.
14. Lewins, J. D., Critical Thermal Insulation for Spheres, Universities Nuclear Technology Forum, Glasgow, April, 1994.
15. Lewins, J. D. and T. T. Cockerill, On The Teapot and its Cosy, Int. J.Mech. Engr. Educ., 22, (4) 301-386, 1994.
16. Lewins, J. D., On the motion of charged particles in a varying magnetic field, Int. J. Engr. Sci., 33, (10), 1491-1505, 1995.
17. Lewins, J. D., Convection Heat Transfer (Review), J. Fluids and Structures, 9, 1995.
18. Lewins, J. D., Turning on the Hot Tap, Ann. Nucl. Energy, 23 (415) 355-370, 1996.
19. 19 Lewins, J. D., Conservation of Angular Momentum in a Varying Magnetic Field, Fusion Technology, vol. 34, no. 3, part 1 pp241-253, November,1998.
20. Lewins, J.D., A use for Jacobians in thermodynamics to express the ratio to , Int J Mech Engr Educ, 26 (3) 250-252 , 1998.
21. Lewins, J. D. On a Consistent Use of Sign Convention for Heat Flows,Int. J. Mech. Engr. Educ. 26, No. 2, pp.163-165, 1998.
22. Lewins, J. D., Beyond the boundary layers: the Blasius paradox, Int. J. Mech. Engr. Educ. 27/1 p55-61, 1999.
23. Lewins, J. D. Optimizing Cascades of Endo-reversible Heat Engines, Int. J. Mech. Engr. Educ., 27 (2), 91-101, 1999.
24. Coussios, C-C., Rees, M. A., Butler, A. J., Casey, N. D., Lewins, J. D., Ffowcs Williams, J. E., and Friend, P. J. Design of an extra-corporeal liver perfusion device, SET-99, House of Commons ‹ BAAC, March 1999.
25. Lewins, J.D. and Bejan, A. Vortex Tube Optimization Theory, Energy, 24 (11), 931-943, November 1999.
26. Lewins, J.D., Optimised Joule Cycles, Proc.Instn. Mech. Engrs (UK), 214 C 1545-1551, 2001.
27. Lewins, J. D. Optimum Joule Cycle for an Ideal Gas, Universities Nuclear Technology Forum, UNTF99, University of Surrey, Guildford, 1999.
28. Lewins, J. D. The Ideal Gas Joule Cycle at Maximum Specific Work, 345-353 Physics Education, Pune, India, Jan-Mar 2000.
29. Lewins, J. D. Plane Surface Tension, Int. J. Mech. Engr. Educ. 27, 217-229, 2000.
30. Lewins, J. D. The endo-reversible thermal engine: a cost and effectiveness optimization, Int. J. Mech. Engr. Educ. 28, 41-46, 2000.
31. Lewins, J. D. Jacobians for Thermodynamics, Physics Today, Pune, India 2000.
32. Lewins J.D., Thermodynamics of Radiation, Int. J. Mech. Engr. Educ., 31 (4) 283-309 (2003).
33. Lewins J D, Chemical Equilibrium in Gaseous Reactions, Int Jour Mech Engr Educ 31 (1) 32-62 2003.
34. Lewins J.D., A Teaching Program for Gaseous Equilibrium, Int Jour Mech Engr Educ, 31 (2) 95-100 2003.
35. Lewins J D., Which Second Law?, Int Jour Mech Engr Educ 29 (4) p 360 2001.
36. Lewins J.D., Optimising an Intercooled Compressor for an Ideal Gas Model Int J Mech Engr Educ 31 (3), pp. 189-200 July 2003.
37. Lewins J D, van der Waal's negative pressures, Int J Mech Engr Educ.30 (3) 248 2002.
38. Lewins J.D., Comparative Solutions for the Integral Approximate Thermal Boundary Layer equations for a Flat Plate, Int J Mech Engr Educ 32 (4) 315-344, 2005.
39. Lewins J, Bejan's constructal theory of equal potential distribution, Int J of Heat and Mass Transfer vol 46/9 pp 1541 - 1543 2003.
40. Lewins J, A Reformulation of the Fundamental Thermodynamics Of Surface Tension for Spherical Bubbles and Drops, J Chem Thermodynamics 36 (11) 977-982, 2004.
41. Lewins J D, Enthalpy phase change predictions from van der Waals equation, IJMEE 324 71-84 2006.
42. Lewins J D, A New Calculation of the Work of Formation of Bubbles and Drops, accepted Proc R S London A 461 3314-3334, 2005.
43. Lewins J D, On Equilibrium Bubbles and Drops, accepted IJMEE 2006.
44. Lewins J, A unified approach to reheat in gas and steam turbine cycles, Proc IMechE C 219 539-552 2004.
45. Lewins J, Engineering Thermodynamics: Frontiers and Foundations, in prep 2005.
46. Lewins J, Re-establishing Amagat's Law with Dalton's Law: Partial Volumes and Component Volumes, submitted J Chem Thermodynamics 2006.
47. Lewins J D, EnThermodynamics: Frontiers and Foundation, WWW 2007.

Mathematics and Computing

1. Variational Representations in Reactor Physics Derived from a Physical Principle, Nucl. Sci. and Engr., 8, 95-104 (1960).
2. Lewins, J. Approximate Separation of Kinetics Problems, J. Nucl. Energy A, 12, 108-112 (1960).
3. Lewins, J. A Variational Principle for Nonlinear Systems, Nucl. Sci. and Engr., 12, 10-14 (1962).
4. Lewins, J. Time Dependent Variational Theory, Nucl. Sci. and Engr., 31, 161-163 (1968).
5. Stinson, I., Land, J. and Lewins, J. Computer Programming and Computer Instruction in a Hall of Residence, J. Inst. Computing, (1974).
6. Lewins, J. Computing from a Hall of Residence, Wardens' Newsletter, 18 (1979).
7. Lewins, J. D. and Babb, A. L. Some elementary results in variational theory. The Nuclear Engineer, 28, (5), 143 (1987).
8. Lewins, J. D. and Parks, G. T., Variational basis for stochastics with feedback. International Meeting on Reactor Noise, IMORN 21, Delft (1990).
9. Lewins, J. D., Trombetti, T., Parks, G. T., Salmi, U., Tensor developments of a stochastic variational principle. Annals Nucl. Energy, 7, 593 (1990).
10. Wu, Y.-F. and Lewins, J. D., Correlated sampling techniques used in perturbed system reliability studies, Proc. Int. Topical Mts. Safety of Thermal Reactors, Portland, Oregon (1991).
11. Lewins, J. D., Iteration of Ratio Equations, Conference Paper, Universities Nuclear Teaching Forum, Birmingham, April, 1993.
12. Lewins, J. D., Notation for Transport Integrals, Annals Nucl. Energy, 20, (4) 303, 1993.
13. Lewins, J. D. Introducing the Lagrange multiplier to engineering mathematics, Int. J. Mech. Engr. Educ. 22, (3) 191-207, (1994).
14. Lewins, J. D., Iteration of Adjoint Equations, Proc. Reactor Physics and Reactor Computations Conf., Ben Gurion Univ. Press, 1994.
15. Lewins, J. D., Solving the Reactor Kinetics Equations on a P.C.,Universities Nuclear Technology Forum, Manchester, 1995.
16. Basken, J. and Lewins, J. D., Power Series Solutions of the Reactor Kinetics Equations, Nucl. Sci. and Engr. 122, (3), 407-416, 1996.
17. Lewins, J. D. Variational Principle for Pseudo-Markov Systems. Progress in Nuclear Energy, Vol. 34, No. 4, pp361-375, 1999.
18. Lewins, J.D. and Chang, M., The Physical Solubility of a Variational Expression in Markov Reliability Theory. Trans. Am. Nucl. Soc., 81, pp156-158, 1999.
19. Lewins J., Status of the L-Conjecture; review of progress in dynamic variational Monte Carlo, Universities Nuclear Technology Forum Glasgow, 3-5 April 2001.
20. Lewins J., Variational Monte Carlo, Ackroyd Festschrift, Imperial College, 18 April 2001.

Probability, Stochastics and Reliability

1. Lewins, J. Fluctuations in the number of radio-active atoms, J. Inst. Nucl. Engr., 17, (4) 97-100 (1976).
2. Lewins, J. Variational Methods in Nuclear Reactor Noise Theory, Annals Nucl. Energy, 5, 3/4, 141-147 (1978).
3. Lewins, J. Stochastic Green Functions for Scattering Transport Theory, Atomkernenergie, 4, 303 (1979).
4. Lewins, J. and Pacilio, N. Stochastic equations of particle transport theory. Il Nuovo Cimento, 50 A(21), 258-264 (1979).
5. Campbell, G. A., Chan, V. and Lewins, J. An exact special case solution of the neutron stochastic equations at low power, Annals. Nuclear Energy, 8, 1 (1981).
6. Lewins, J. Stochastic distribution of prompt neutrons in a super-critical reactor, Annals Nuclear Energy, 8, 15 (1981).
7. Lewins, J. D. Small sample theory. The Nuclear Engineer, 27, 91 (1985).
8. Lewins, J. D. A useful approximation in using Student's t-distribution. International Journal Mechanical Engineering Education, 14, 291 (1986).
9. Lewins, J. D. and Parks, G. T. Forward versus backward Kolmogorov equations with feedback. Trans. Am. Nucl. Soc., 57, 108, (1988).
10. Salmi, U. and Lewins, J. D., Kolmogorov equations of multiplying systems with fuel depletion, Annals Nucl. Energy, 17, 285 (1990).
11. Salmi, U., Lewins, J. D. and Trombetti, T. Kolmogorov Equations for Nuclear Feed-back, CUED/A-Nucl/TR.4 (1990).
12. Wu, Y.-F. and Lewins, J. D. System reliability perturbation studies by a Monte Carlo method. Ann. Nucl. Energy, 18 (3) 141-146 (1991).
13. Lewins, J. D. Solving low power stochastic equations: Nonlinear studies in noise and nonlinear phenomena in nuclear reactors. NATO A.S.I. Series, Physics192, Plenum, 1991.
14. Lewins, J. D. Correlated sampling techniques used in perturbed system reliability studies. Proc. Safety of Thermal Reactors, 62-66, Portland, July (1991).
15. Wu, Y.-F. and Lewins, J. D. Mechanical System Surveillance Test Interval Optimization, Proceedings of International Conference on Design and Safety of Advanced Nuclear Power Plants, Nishi-Shinjuku, Tokyo, Japan. (1992).
16. Wu, Y.-F. and Lewins, J. D. A pilot computer program developed for perturbed system reliability studies, Proceedings of International Reliability, Availability, Maintainability, Quality Conference for the power industry, Philadelphia, Pennsylvania, U.S.A. (1992).
17. Wu, Y.-F. and Lewins, J. D., Monte Carlo studies of engineering system reliability, Annals of Nuclear Energy, 19, (10 - 12), pp. 825 - 829, (1992).
18. Wu, Y.-F. and Lewins, J. D., Monte Carlo studies of system reliability in non-Markovian system, Proceedings of International Reliability, Availability, Maintainability Quality Conference for the Power Industry, Philadelphia, Pennsylvania, U.S.A. (1992).
19. Wu, Y.-F. and Lewins, J. D., Mechanical System Surveillance Test Interval Optimisation, Japan, J. Nucl. Sci. and Tech, 30, 12, p.1225-1233, 1993.
20. Wu, Y.-F. and Lewins, J. D., Importance and Sensitivity Analysis in Assessing the System Reliability, PSAM-II Conference, San Diego, California, March, 1994.
21. Lewins, J. D. and Wu, Y.-F., Some Results in Semi-Markov Processes, PSAM-II Conference, San Diego, California, March, 1994.
22. Lewins, J., A Word on Statistics - Student's T, A.U.R.P.O. Newsletter, (T. J. Moseley, Ed.) University of Sheffield, November, 1997.
23. Chang, M. and Lewins, J. D., Using life cycle revenue loss and Monte Carlo simulation as a prior and a direct assessment of consequences of un-wanted events, Ann. Nucl. Energy, 25, 117-128, 1997.
24. Lewins, J.D., Variational Principle for Pseudo-Markov Systems, Dynamic Reliability Workshop, Washington, D.C., September, 1998.
25. Chang, M.C., Lewins, J. and Parks, G.T., System Reliability Estimated Variationally from Monte Carlo Simulation, 92 - 96, (H.P. Lau and M.-W. Lu, Eds.) Proc. 4th ISSAT Int. Conf. 12-14th August, 1998, Seattle, Washington, U.S.A., 1998 see also "Reliability & Quality in Design" H. Pham and M-W. Lu. Eds, World Scientific 2000.
26. Lewins, J.D., Parks, G.T. and Chang, M. C., A Variational Principle Using Monte Carlo Approximations for Reliability Studies, 302-309, (H.P. Lau and M.-W. Lu, Eds.) Proc. 4th ISSAT Int. Conf. 12-14th August, 1998, Seattle, Washington, U.S.A., 1998 in Reliability & Quality in Design H. Pham and M-W. Lu. Eds, World Scientific 2000.
27. Labeau, P.E., and Lewins, J.D., On the Feasibility of Variationally Processed Calculations in Dynamic Reliability, ESREL '99, in Safety and Reliability, Vol. 2, (G I Schueller and P Kafka, eds). AA Balkema, Rotterdam, 1999, pp 987-992.
28. Lewins, J.D., Classical Perturbation Theory for Monte Carlo Studies of System Reliability, Nuclear Science and Engineering, 137, 364-379 (2001).
29. Lewins, J.D., and Chang, M-C. Monte Carlo Variational Processing for Semi-Markov Systems, ESREL 99. In Safety and Reliability, Vol. 2, (G I Schueller and P Kafka, eds). A.A. Balkema, Rotterdam, 1999, pp 921-927.
30. Chang, M. C., Parks, G.T. and Lewins, J.D., A Variational Principle Using Monte Carlo Approximations for Reliability Studies, in Recent Advances in Reliability and Quality in Design, H. Pham and M-W. Lu, Eds. World Scientific 2000.
31. Lewins, J.D. An Explicit Solution for a Renewal Process with Waiting Time and its Variational Principle, Department of Engineering, University of Cambridge, Technical Report CUED/A-Nucl/TR.6, February 2000.
32. Lewins, J.D. Variational Principles for Renewal Processes with WaitingTimes, Devought Memorial Conference, Bruxelles, May 2000.
33. Lewins, J.D. Classical Variational Theory for Monte Carlo Studies of System Reliability, MC2000 Conference, Monaco, 18-21 June 2000. See also Conference Proceedings pp257-263, G I Schueller and P.D.Spanos eds, A.A.Balkema, Lisse 2001.
34. Lewins, J. D. Classical Perturbation Theory for Monte Carlo Studies of System Reliability, Nuclear Sci and Engr, 137, 364-379 March 2001.
35. Lewins, J.D. An Explicit Solution For a Renewal Process With Waiting Time and its Variational Principle, Annals Nucl Energy 28 1287-1311 , 2001.
36. Lewins, J.D., Variational Monte Carlo for Age-Depedent Markov Processes, in preparation.
37. Lewins J., Theory of Phoney Minewarfare, RE Journal.116 (2) pp1123-127 2002.
38. Lewins J.D., Bidding the Game in Bridge, to be published Mr Bridge 2002.
39. Lewins J, Book Review: Basics of the Monte Carlo Method Annals of Nucl Energy. 30/11 1211 - 1212 (2003).

Edited Works

1. Henley, E. J. and Lewins, J. (Editors), Advances in Nuclear Science and Technology, 5, Academic (1969).
2. Henley, E. J. and Lewins, J. (Editors), Advances in Nuclear Science and Technology, 6, Academic (1972).
3. Henley, E. J. and Lewins, J. (Editors) Advances in Nuclear Science and Technology, 7, (1973).
4. Lewins, J. (Editor), The Wardens' Newsletter, 1-19, 1974-79.
5. Henley, J. and Lewins, J. (Eds.), Advances in Nuclear Science and Technology, 8 (1975).
6. Henley, E. J. and Lewins, J. (Editors) Advances in Nuclear Science and Technology, 9 (1976) Academic, New York.
7. Henley, E. J., Lewins, J. and Becker, M. (Editors) Advances in Nuclear Science and Technology, 10, (1977), Plenum, New York.
8. Henley, E. J., Lewins, J. and Becker, M. (Editors) Advances in Nuclear Science and Technology, 11, Plenum, 1978.
9. Lewins, J. and Becker, M. (Editors) Advances in Nuclear Science and Technology 12, Plenum (1979).
10. Lewins, J. D. (Editor), Directions in nuclear engineering research. Cambridge Conference proceedings, Institution of Nuclear Engineers, (1981).
11. Lewins, J. and Becker, M. (Editors), Advances in Nuclear Science and Technology, 13, Plenum (1981).
12. Lewins, J. D. and Becker, M. (Editors) Advances in Nuclear Science and Technology, 14, Plenum, (1982.).
13. Lewins, J. D. and Becker, M. (Editors). Advances in Nuclear Science and Technology, 15, Plenum, (1983).
14. Lewins, J. D. (Editor and author), Teaching Thermodynamics. Plenum, 1985.
15. Lewins, J. D. and Becker, M. (Editors). Advances in Nuclear Science and Technology, 16, Plenum, (1986).
16. Lewins, J. D. (Series editor). Lau, F.-S. A dictionary of nuclear power and waste management, Research Studies Press. Wiley, (1987).
17. Lakey, J. A. and Lewins, (Editors) ALARA: Proceedings of a conference. Adam Hilger, (1987).
18. Lewins, J. D. (Series editor). Harms, A. A. Principles of nuclear science and engineering, Research Studies Press. Wiley, (1987).
19. Lewins, J. D. (Series editor). Lau, F.-S. Radioactivity and nuclear waste disposal. Research Studies Press. Wiley, (1987).
20. Lewins, J. D. and Becker, M. (Editors) Advances in Nuclear Science and Technology,18, Plenum, (1987).
21. Lewins, J. D. and Becker, M. (Editors). A festschrift for Eugene Wigner, Advances in Nuclear Science and Technology, 19, Plenum, (1987).
22. Worley, N. and Lewins, J. D. (Editors) The Chernobyl accident and its implications for the United Kingdom, Watt C., Elsevier, (1988).
23. Lewins, J. D. and Becker, M., (Editors), Advances in Nuclear Science and Technology, 21, Plenum (1990).
24. Lewins, J. D. and M. Becker (Eds.): Advances in Nuclear Science and Technology, Plenum, 22, (1990).
25. Lewins, J.D. (Editor) ALARA: As low as reasonably achievable radiation doses in industry. RST-Wiley (1991).
26. Lewins, J. D. and Gittus J. (Editors) R. and D. for the U.K. Nuclear Industry, RST/Wiley , 1993.
27. Lewins, J. D., (Editor) Sir John Stibbon: 1992 GKN Lecture, Magdalene Occasional Paper No. 8, Cambridge, 1993.
28. Lewins, J. D., (Editor), Lord Alexander: 1993 GKN Lecture, Magdalene Occasional Paper No. 10, Cambridge, 1994.
29. Lewins, J. D. and Becker, M. (Editors) Advances in Nuclear Science and Technology, 23, Plenum, 1996.
30. Lewins, J. D. (Editor), Sir Thomas Legg: Managing the Law, 1996 GKN Lecture, Magdalene, Occasional Paper No. 15, Cambridge, 1997.
31. Lewins, J. D. and Becker, M. (Editors) Advances in Nuclear Science and Technology, 24, Plenum, 1997.
32. Lewins, J. D. and Becker, M. (Editors) Advances in Nuclear Science and Technology, 25, Plenum, 1997.
33. Lewins, J. D. (Editor), Gibson, I., Kaizan for Management, 1997 GKN Lecture, Magdalene Occasional Paper No. 17, Cambridge, 1998.
34. Lewins, J. D. and Becker, M. (Eds) Advances in Nuclear Science and Technology, 26, Plenum 1999.
35. Lewins, J.D. (Editor), Ogilvie, Bridget, A Study of Change: the WellcomeTrust 1979-1998, Magdalene Occasional Paper No. 21, Cambridge, 1999.
36. Lewins, HJ.D. (Editor), Turnbull, Michael, Managing Change in the Church of England (GKN Lecture 2000), Magdalene Occasional Paper No. 24, Cambridge, 2001.
37. Lewins J.D. (Editor) Judith Mayhew, Managing the City (GKN Lecture 2001), Magdalene College Occasional paper No 28, Cambridge, 2002.
38. Lewins J D (Ed) The End of Newspapers by Alan Rusbridger, (GKN Lecture in Management 2002), Magd Coll Occ Paper 29, 2003.
39. Lewins J., The GKN Lecture in Management 2002 (Review) Magdalene Matters 18 April 2003.
40. Lewins J. (Ed) Managing Armed Forces in the Fight against Terrorism, by John Lehman (GKN Lecture 2003) Magd Coll Occ Paper 30, 2004.
41. Lewins J. (Ed) Attracting the young into science, engineering and technology: the next generation or the last generation by Sir Peter Williams (GKN Lecture in Management 2004), Magd Coll Occ Paper 31, 2004

Literary, Professional and Educational

1. Lewins, J., Initial Teaching Fortran, Lecture notes University College, London (1971).
2. Lewins, J. S.I. Units in Nuclear Engineering, J. I. Nucl. Engr., (July/Aug.) (1972).
3. Lewins, J. Recognition of Institution Nuclear Engineers, The Times, 15 February, (1973).
4. Lewins, J. Financial Problems in Hall, University London Bulletin (1974).
5. Lewins, J. Student Grants, Times Higher Educational Supp., 5 April, 10 (1974).
6. Lewins, J. University Buildings, Times Higher Educational Supp., 13 September, 12 (1974).
7. Lewins, J. Powerful Allies, Physics in Technology, 179-180, July (1975).
8. Lewins, J. 'A Good Year with Clouds in the Horizon', Times Higher Ed. Supp., 15 August, 1975.
9. Lewins, J. Student Grants Revised, Times Higher Educational Supp., 12 December, 16 (1975).
10. Lewins, J. Supplementary Benefit for Students, Times Higher Educational Supp., 2 July, 16 (1976).
11. Lewins, J. Presidential Address, J. Inst. Nucl. Engr., 18, 35, 1977.
12. Lewins, J., Introduction and preface: Training of nuclear engineers; conference proceedings, Institution of Nuclear Engineers, (1978).
13. Lewins, J., Registration of Engineers, Financial Times, July (1978).
14. Lewins, J. Is there a Nuclear Engineer in the House?, The Woman Engineer, 12, (6) p. 8-10, (1978).
15. Lewins, J. and Walton, G., Survey of Nuclear Engineering Education, Nucl. Eng. Educ. Conf., London (1978).
16. Lewins, J. Pensions and Tax, Wardens' Newsletter, 16, 9-11 1978.
17. Lewins, J. D. Teaching slowing down theory, The Nuclear Engineer, 22, (3), 76 (1982).
18. Lewins, J. D. Teaching neutron diffusion theory, The Nuclear Engineer, 24, (2) 44 (1983).
19. Lewins, J. D. A simple teaching model for transient fuel-cycle analysis. Annals Nuclear Energy, 10, 491 (1983).
20. Lewins, J. D. (Joint compiler), Nuclear energy: a professional assessment. Watt Committee on Energy, Report 13. (1984).
21. Lewins, J. D. Randomness in nature and nuclear reactors. The Nuclear Engineer, 30, (5) 152 (1989).
22. Lewins, J. D. Notes on Teaching Enrichment Theory, The Nuclear Engineer, 32, (1) 22, (1991).
23. Lewins, J., Sword and Bow, Kipling Journal, 66, (262) 36-38, 1992.
24. Lewins, J. D. 'A Visit to Lahore', Kipling Journal, 66 (42), September, 1992.
25. Lewins, J. D. A Question of Pepys? Kipling Journal, 67 (46), March 1993.
26. Lewins, J. D. Ask a P'liceman, Kipling Journal 67 (48), September, 1993.
27. Lewins, J. D. Kipling and his 'Coll.', Magdalene Occasional Paper No. 9, Cambridge, 1993.
28. Lewins, J. D. What Magic Square? Kipling Journal, 67 (40), 1993.
29. Lewins, J. D. (Ed.), Pinney, T. H., The Kipling No One Ever Reads, Magdalene Occasional Paper No. 19, Cambridge, 1998.
30. Lewins, J. D., Letter to Editor: 'Initiation of Canadian Engineers', Kipling Journal, 68, p.34, March, 1994.
31. Lewins, J. D., Letter to Editor: Rugger at the Coll., Kipling Journal, 68, (54) June, 1994.
32. Lewins, J. D., Letter to Editor: Subalterns, Kipling Journal, 68 (56) September, 1994.
33. Lewins, J. D., Nuclear Engineering in Mech. Engrs. Reference Book (E. H. Smith, ed.), Butterworth-Heinemann, 1994.
34. Lewins, J. D., Letter to Editor, Nip or Tuck, Rip and Chuck, Kipling Journal, 69 (58), June, 1995.
35. Lewins, J. D., Letter to Editor, On Murray's Reactor Kinetics Insight, Nucl. Sci. and Engr., 120, 231, 1995.
36. Lewins, J. D., Letter to Editor, Consistency in S.I. Units and Constants, Int. J. Mech. Engr. Educ., 23, (1), 1995.
37. Lewins, J. D. Kipling and his 'Coll.', Magdalene Occasional Paper No. 9, Cambridge, 1993 (second edition 1996).
38. Lewins, J.D., Kipling's Birthplace, Bombay, Kipling Journal 73, p49, June 1999.
39. Lewins, J.D., Just So: Edward German's settings of Rudyard Kipling's verse, Kipling Journal, June 2001 (75 298) pp 39-45.
40. Lewins J, Lockwood Kipling and Bagshot Park, The Kipling Journal, 74, (296) 52-53, Dec 2000.
41. Lewins, J. D. Kipling and his 'Coll.', Magdalene Occasional Paper No. 9, Cambridge, 1993 (third edition 2001).
42. Lewins J.D., The First Kipling Society?, submitted Kipling Journal, 2001.
43. Lewins J.D., The Carrie Kipling-Ramsay Letters, Magdalene College Occasional Paper 25, Cambridge, 2001.
44. Lewins J.D., Sylvie Thompson's Memoir: Governess to the Children of Rudyard Kipling, Magdalene College Occasional Paper 26, 2001.
45. Lewins J.D., The Just So Song Book CD, sleeve notes. Magdalene College, Cambridge, 2001.
46. Lewins J and Lewis L, Scylla and Charybdis; The Unpublished 'Stalky' Story, Kipling Journal 78 (309) March 2004.
47. Lewins J D, Book review: Article title: Book Review: Design of experiments for engineers and scientist, Tribology International 37(9), September 2004, Pages 771-772.
48. Lewins J, The 17 Camels, Kipling Journal 79 45-48 2005.