SST湍流模型改进研究综述  

SST turbulence model improvements:Review

作　　者：曾宇 汪洪波[1] 孙明波[1] 王超[1] 刘旭 ZENG Yu;WANG Hongbo;SUN Mingbo;WANG Chao;LIU Xu(Science and Technology on Scramjet Laboratory,College of Aerospace Science,National University of Defense Technology,Changsha 410073,China)

机构地区：[1]国防科技大学空天科学学院高超声速冲压发动机技术重点实验室,长沙410073

出　　处：《航空学报》2023年第9期98-129,共32页Acta Aeronautica et Astronautica Sinica

基　　金：国家自然科学基金(11925207,12102472)。

摘　　要：k-ωSST湍流模型是目前综合性能最佳的涡黏模型之一,近年来得到非常广泛的应用。然而,随着问题复杂性的增加和模拟精准度要求的提高,标准SST湍流模型在某些方面呈现出明显的局限性,大量学者对其进行了相应的改进研究。围绕旋转/曲率效应、可压缩效应、激波不稳定性效应、雷诺应力各向异性效应、应力-应变偏差效应和层流/湍流转捩效应等6个方面,对SST模型的改进研究进行了评述,同时对近年的基于数据驱动技术的模型改进也进行了简要介绍;梳理了各种改进研究的思路和发展趋势,阐述了各自的适用性和局限性,并分析了影响改进效果的原因和问题所在。最后,对未来工作提出了建议。The k-ωShear Stress Transport(SST)turbulence model,one of the best eddy viscosity models with comprehensive performance,has been widely used in recent years.However,with the increase of problem complexity and simulation accuracy requirements,the standard SST turbulence model shows clear limitations in certain aspects,eliciting extensive improvement research.This paper reviews the improvement research of the SST model from six aspects:rotation/curvature effect,compressibility effect,shock wave unsteadiness effect,effect of anisotropy Reynolds stress,effect of stress-strain deviation,and laminar/turbulent transition effect.Meanwhile,it also briefly introduces the model improvement based on the data-driven technology in recent years,sorts out the ideas and development trends of various improvement research,expounds their applicability and limitations,and analyzes the reasons and problems affecting the improvement effect.Finally,some suggestions for future work are given.

关 键 词：湍流模型 SST 旋转/曲率 可压缩性 激波不稳定性 雷诺应力各向异性 层流/湍流转捩 

分 类 号：V211.3[航空宇航科学与技术—航空宇航推进理论与工程]