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首页> 外文会议>4th European Symposium on Aerothermodynamics for Space Vehicles, Oct 15-18, 2001, Capua, Italy >NUMERICAL ANALYSIS OF THE SUPERSONIC FLOW AROUND REUSABLE SPACE TRANSPORTATION VEHICLES
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NUMERICAL ANALYSIS OF THE SUPERSONIC FLOW AROUND REUSABLE SPACE TRANSPORTATION VEHICLES

机译：超音速流动可重复使用空间运输车辆的数值分析

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摘要

Several numerical investigations in the sub- and supersonic flowfield around space configurations are presented. Turbulent flow was simulated for subsonic boundary conditions in the case of the space plane configuration ELAC as well as laminar supersonic flow for the upper stage EOS. The third configuration is a two-stage system consisting of EOS mounted on ELAC. The numerical results are obtained by solving the Navier-Stokes equations using a finite-volume integration scheme based on node-centered block-structured grids in curvilinear coordinates. For the turbulent flows the Baldwin-Lomax model was used without further assumptions of the transition, i. e. , the flow was assumed fully turbulent. The results presented are computed at different Mach numbers and angles of attack. They include findings for the wall pressure, wall streamlines and lift coefficients. The numerical data of the present investigation is compared with experimental data from different facilities. The comparison shows satisfactory agreement.
机译：提出了围绕空间配置的亚音速流场和超音速流场的一些数值研究。在空间平面配置为ELAC的情况下，针对亚音速边界条件模拟了湍流，并为上层EOS模拟了层流超音速流。第三种配置是一个两阶段系统，由安装在ELAC上的EOS组成。数值结果是通过基于曲线坐标系中基于节点为中心的块结构网格的有限体积积分方案通过求解Navier-Stokes方程获得的。对于湍流，使用Baldwin-Lomax模型，而无需进一步假设过渡。 e。 ，假定流动是完全湍流的。给出的结果是在不同的马赫数和攻角下计算的。它们包括壁压力，壁流线和升力系数的发现。本研究的数值数据与来自不同设施的实验数据进行了比较。比较显示令人满意的一致性。

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