Abstract
To understand different heat transfer characteristics of regenerative cooling in plug nozzle in different operation conditions, computational model of three dimension plug nozzle was established and numerical simulation was employed. Pressure, heat flux and temperature contour in different operation conditions were obtained. Governing equations were discretized with one order upstream scheme. The results show: at lower pressure ratio, heat transfer condition on the plug surface is the worst, peak values of pressure and temperature appear along the wall of plug nozzle, temperature and temperature gradient along the section of wall reach the highest.
| Original language | English |
|---|---|
| Pages (from-to) | 632-638 |
| Number of pages | 7 |
| Journal | Hangkong Dongli Xuebao/Journal of Aerospace Power |
| Volume | 22 |
| Issue number | 4 |
| State | Published - Apr 2007 |
Keywords
- Aerospace propulsion system
- Liquid propellant rocket engines
- Numerical simulation
- Plug-nozzle
- Regenerative cooling
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