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MHD控制激波诱导湍流边界层分离的机理分析
Alternative TitleInvestigation of magnetohydrodynamic control on turbulent boundary layer separation induced by shock wave
苏纬仪; 陈立红; 张新宇
Source Publication推进技术
2010-02-15
Volume31Issue:1Pages:18-23
Abstract为了研究磁流体动力学(Magnetohydrodynamics:MHD)加速边界层对激波-湍流边界层相互作用的影响,用高阶有限差分法求解了小磁雷诺数近似的MHD湍流方程.其中,无粘通量采用WENN格式离散、粘性通量采用Roe平均中心差分离散,时间采用半隐式推进,并采取追赶法求解.计算给出了湍流、电场、磁场和电导率等参数对边界层分离的影响,数值结果显示:在同样的逆压梯度下,湍流边界层分离能更快地趋于稳态流场,且分离区比层流小;通过施加洛仑兹力加速,边界层速度型面变得更加饱满、位移厚度减小、分离点和再附点向激波与固壁的交点靠近,分离区尺寸减小甚至最终被消除.
Keyword激波边界层相互作用 Mhd流动控制 小磁雷诺数 边界层分离
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Indexed ByEI ; CSCD
Language中文
Funding Organization国家自然科学基金(90305022 ; 10525212)
CSCD IDCSCD:3837788
Citation statistics
Cited Times:4[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/43886
Collection高温气体动力学国家重点实验室
Corresponding Author苏纬仪
Recommended Citation
GB/T 7714
苏纬仪,陈立红,张新宇. MHD控制激波诱导湍流边界层分离的机理分析[J]. 推进技术,2010,31(1):18-23.
APA 苏纬仪,陈立红,&张新宇.(2010).MHD控制激波诱导湍流边界层分离的机理分析.推进技术,31(1),18-23.
MLA 苏纬仪,et al."MHD控制激波诱导湍流边界层分离的机理分析".推进技术 31.1(2010):18-23.
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