压力恢复系统超声速扩散段三维流场数值模拟
Numerical simulation to the 3-D flowfield s of supersonic diffuser in pressure recovery system
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摘要: 采用数值模拟的手段，对压力恢复系统超声速扩散段三维流场进行研究。数值模拟使用LU分解法和NND差分格式求解全Navier-Stokes 方程，并加入了湍流模型。对得到的流场结构进行了分析，为下一步工作打下了基础。
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关键词:
- 三维数值模拟 /
- 超声速扩散段 /
- Navier-Stokes方程
Abstract: This report presents the time-depended fully implicit LU algorithm, which was used to solve the Navier-Stokes equations with NND difference scheme in numerical simulation to the flowfields of supersonic diffuser in the pressure recovery system. The algebric turbulence model as used to simulate the complicated flowfileds, and the computational result was analyzed for more advanced work.-
Key words:
- 3-d numercal simulation /
- super sonic diffuser /
- navier-stokes equation
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