对标准κ-ε两方程湍流模型进行Durbin可实现性、Heinz湍流产生项以及Sarkar可压缩性修正三部分修正.尝试考虑结构可压缩性修正的影响,发展了一个同时考虑结构可压缩性修正和膨胀可压缩性修正的湍流模型.以超音速混合层为基础,分析了各个可压缩性修正的相对重要性,并将混合层厚度增长率、湍流动能的计算结果与实验结果进行比较,验证、分析修正模型的效果.结果表明,修正模型能够准确地预测到超音速混合层的发展,使模拟结果和实验结果更加接近.
参考文献
| [1] | Sarkar S;Erlebacher G;Hussaini M Y et al.The Analysis and Modelling of Dilatational Terms in Compressible Turbulence[J].Journal of Fluid Mechanics,1991,227(06):473-493. |
| [2] | Goebel S G;Dutton J C .An Experimental Study of Turbulent Compressible Mixing Layers[J].AIAA Journal,1991,29(04):538-546. |
| [3] | Pantano C.;Sarkar S. .A study of compressibility effects in the high-speed turbulent shear layer using direct simulation[J].Journal of Fluid Mechanics,2002(0):329-371. |
| [4] | Durbin P A .On the K-epsilon Stagnation Point Anomaly[J].International Journal of Heat and Fluid Flow,1996,17(01):89-90. |
| [5] | Heinz S. .A model for the reduction of the turbulent energy redistribution by compressibility[J].Physics of fluids,2003(11):3580-3583. |
| [6] | Nicholas J G;Alexander J I D;Reshotko E .Development of a Hybrid RANS/LES Method for Compressible Mixing Layer Simulations[AIAA-2001-0289][R].,2001. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%