last modified: 01-FEB-1979 | catalog | categories | new | search |

NEA-0518 HUBBLE-BUBBLE.

HUBBLE-BUBBLE, Transient Subcooled or Superheated H2O Bubble Flow

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1. NAME OR DESIGNATION OF PROGRAM:  HUBBLE-BUBBLE.
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2. COMPUTERS
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Program name Package id Status Status date
HUBBLE-BUBBLE NEA-0518/01 Tested 01-FEB-1979

Machines used:

Package ID Orig. computer Test computer
NEA-0518/01 IBM 360 series IBM 360 series
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3. NATURE OF PHYSICAL PROBLEM SOLVED

Transient flow of subcooled or superheated water from a variable pipe area, using conduction dependent bubble growth. Initial conditions may include variable temperature along pipe length. The bubble growth phase eventually leads to droplets in vapour stage.
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4. METHOD OF SOLUTION

Pipe is divided into Lagrangian mesh and the differential equations are replaced by finite difference equations.
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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM:  Maximum number of meshes 130.
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6. TYPICAL RUNNING TIME

Typically 5 minutes machine time per one millisecond real time.
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7. UNUSUAL FEATURES: UNUSUAL FEATURES OF THE PROGRAM
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8. RELATED OR AUXILIARY PROGRAMS: RELATED AND AUXILIARY PROGRAMS
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9. STATUS
Package ID Status date Status
NEA-0518/01 01-FEB-1979 Tested at NEADB
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10. REFERENCES

- D.J. Mather:
  'HUBBLE-BUBBLE, A Computer Program for the Analysis of
  Non-Equilibrium Flows of Water'
  SRD R 97, UKAEA.
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11. MACHINE REQUIREMENTS:  95 k words core memory plus one magnetic tape.
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12. PROGRAMMING LANGUAGE(S) USED
Package ID Computer language
NEA-0518/01 FORTRAN-IV
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13. OPERATING SYSTEM OR MONITOR UNDER WHICH PROGRAM IS EXECUTED:  7-J ICL 4-70, VME/B ICL 2980.
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14. OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS

ANY OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS
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15. NAME AND ESTABLISHMENT OF AUTHOR:      D.J Mather, A R Edwards, UKAEA, United Kingdom
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16. MATERIAL AVAILABLE
NEA-0518/01
File name File description Records
NEA0518_01.002 SOURCE PROGRAM (F4,EBCDIC) 3721
NEA0518_01.003 AUXILIARY ROUTINES (F4,EBCDIC) 569
NEA0518_01.004 SUBROUTINE ROOT (F4,EBCDIC) 194
NEA0518_01.005 TIMER ROUTINES (F4,EBCDIC) 11
NEA0518_01.006 JCL 32
NEA0518_01.007 SAMPLE PROBLEM INPUT DATA 16
NEA0518_01.008 SAMPLE PROBLEM PRINTED OUTPUT 17500
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17. CATEGORIES
  • H. Heat Transfer and Fluid Flow

Keywords: Lagrange equations, bubble growth, fluid flow, pipes.