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NEA-0185 LOOP-3.

LOOP-3, Hydraulic Stability in Heated Parallel Channels

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1. NAME OR DESIGNATION OF PROGRAM:  LOOP-3.
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2. COMPUTERS
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Program name Package id Status Status date
LOOP-3 NEA-0185/01 Tested 01-FEB-1968
LOOP-3 NEA-0185/02 Tested 01-FEB-1968

Machines used:

Package ID Orig. computer Test computer
NEA-0185/01 CDC 6600 CDC 6600
NEA-0185/02 IBM 360 series IBM 360 series
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3. NATURE OF PHYSICAL PROBLEM SOLVED:  Hydraulic stability in parallel channels.
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4. METHOD OF SOLUTION

Calculation of transfer functions developed in reference (10 below).
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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM:  Only due to assumptions in analysis (see ref.).
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6. TYPICAL RUNNING TIME:  Less than 1 sec. per complex frequency.
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7. UNUSUAL FEATURES: UNUSUAL FEATURES OF THE PROGRAM
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8. RELATED AND AUXILIARY PROGRAMS

LOOP-5 - identical programme for the English Electric KDF9.
LOOP-10 B - improved version for the KDF9 under development.
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9. STATUS
Package ID Status date Status
NEA-0185/01 01-FEB-1968 Tested at NEADB
NEA-0185/02 01-FEB-1968 Tested at NEADB
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10. REFERENCES
NEA-0185/01, included references:
- A.L. Davies, R. Potter:
Hydraulic Stability, an Analysis of the Causes of Unstable
Flow in Parallel Channels
AEEW-R446 (April 1966).
NEA-0185/02, included references:
- A.L. Davies, R. Potter:
Hydraulic Stability, an Analysis of the Causes of Unstable
Flow in Parallel Channels
AEEW-R446 (April 1966).
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11. MACHINE REQUIREMENTS

Standard input (2) and output (3) tapes. No other tapes required.
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12. PROGRAMMING LANGUAGE(S) USED
Package ID Computer language
NEA-0185/01 FORTRAN-II (IBM)
NEA-0185/02 FORTRAN-IV
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13. OPERATING SYSTEM OR MONITOR UNDER WHICH PROGRAM IS EXECUTED:  FORTRAN II monitor.
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14. ANY OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS:  Input and output described in appendix 3 of reference.
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15. NAME AND ESTABLISHMENT OF AUTHOR

A.L. Davies
                                   AEEW
                                   Dorset
                                   England
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16. MATERIAL AVAILABLE
NEA-0185/01
File name File description Records
NEA0185_01.001 INFORMATION 2
NEA0185_01.002 SOURCE&DATA CDC 6600 303
NEA0185_01.003 OUTPUT 435
NEA-0185/02
File name File description Records
NEA0185_02.001 SOURCE & DATA 312
NEA0185_02.002 OUTPUT 435
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17. CATEGORIES
  • H. Heat Transfer and Fluid Flow

Keywords: flow rate, hydraulics.