EFFECTS OF VARIOUS GEOMETRIC PARAMETERS ON FLOW BEHAVIOR IN SONIC NOZZLES |
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| E. von Lavante, A. Zachcial, D. Zeitz, B. Nath, H. Dietrich |
- Abstract:
- Numerical analysis of flow fields associated with sonic Venturi nozzles with various modifications of its basic geometry was carried out. The baseline nozzle, used for gas flow metering, was simulated at Reynolds number 1.5 × 105. The modifications included a backward facing step in the nozzle wall just after the throat, suction through the wall and three different diffuser opening angles. The flow was simulated using compressible viscous flow solver ACHIEVE developed by the authors. ln some cases, a noticable improvement in the flowrate and, consequently, increase in the discharge coefficient Cd was achieved.
- Keywords:
- critical nozzles, discharge coefficient, numerical simulation, boundary layer control, boundary layer suction
- Download:
- IMEKO-TC9-2000-063.pdf
- DOI:
- -
- Event details
- IMEKO TC:
- TC9
- Event name:
- FLOMEKO 2000
- Title:
- 10th Conference on Flow Measurement
- Place:
- Salvador, Bahia, BRAZIL
- Time:
- 04 June 2000 - 08 June 2000