RANS/LES methodology for supersonic transverse jet interactions with approach flow
RANS/LES methodology for supersonic transverse jet interactions with approach flow
复制标题
超音速横向射流与进场流相互作用的 RANS/LES 方法
DOI：
10.2514/6.2002-1139
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发表时间：
2002
期刊：
影响因子：
--
通讯作者：
S. Dash
中科院分区：
文献类型：
--
作者：
C. Kannepalli;S. Arunajatesan;S. Dash
这项工作讨论了一些正在进行的工作，以模拟超音速横向喷流干扰使用大涡模拟。代码数值采用高阶格式，用詹姆逊耗散格式处理激波和其他不连续的“复活”极限方法。该方法包括使用“循环-重定标”方法产生一个“真实的”湍流边界层，这种方法导致横向喷流。在尝试横向射流之前，进行了一系列日益复杂的数值实验以验证该方法的有效性。这项工作的主要目标是能够理解所涉及的复杂物理，并最终能够预测这种流动中的压力波动水平。
This work discusses some ongoing efforts towards the simulation of supersonic transverse jet interactions using LES. The code numerics feature a higher-order scheme with a "resurrected" limiting approach by the Jameson's dissipation scheme for dealing with shocks and other discontinuities. The methodology involves generating a "realistic" turbulent boundary layer using the "recycling-rescaling" approach that leads up to the transverse jet. A series of numerical experiments with increasing complexity are preformed to validate this methodology before attempting the transverse jet. The main goal of the effort is to be able to understand the complex physics involved and eventually be able to predict pressure fluctuation levels in such flows.