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首页> 外文期刊>Journal of Aerospace Sciences and Technologies >VALIDATION OF PARAS3D RANS PRESSURE DATA WITH FLIGHT RESULTS OVER A WING-BODY RLV CONFIGURATION AT SUPERSONIC HIGH ANGLE OF ATTACK CONDITIONS
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VALIDATION OF PARAS3D RANS PRESSURE DATA WITH FLIGHT RESULTS OVER A WING-BODY RLV CONFIGURATION AT SUPERSONIC HIGH ANGLE OF ATTACK CONDITIONS

机译：超音速攻击条件下机翼RLV构型上飞行结果的PARAS3D雷达压力数据验证

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摘要

Winged Reusable Launch Vehicle - Technology Demonstrator (RLV-TD) was successfully flight tested by Indian Space Research Organisation (ISRO). One of the main objectives of this Hypersonic Experiment (HEX) mission is to validate the aerodynamic design and ground based aerodynamic data generation procedure. In this paper, comparison of flight data and CFD estimated pressure coefficient (Cp) over fuselage, wing, vertical tail and rudder are presented at supersonic Mach number and high angle of attack conditions. PARAS3D RANS solver is able to capture the trends as measured in flight. In general, PARAS3D CFD over predicted the compression on windward side and under predicted leeward expansion as compared to flight measurement. In general, CFD predicts Cp close to flight measured value, except over a port in the vertical tail.
机译：有翼可重复使用的运载火箭-技术演示器（RLV-TD）已成功通过印度航天研究组织（ISRO）的飞行测试。高超音速实验（HEX）任务的主要目标之一是验证空气动力设计和基于地面的空气动力数据生成过程。在本文中，在超音速马赫数和高攻角条件下，比较了机身，机翼，垂直尾翼和方向舵上的飞行数据和CFD估算压力系数（Cp）。 PARAS3D RANS求解器能够捕获飞行中的趋势。通常，与飞行测量相比，PARAS3D CFD高估了上风侧的压缩，下风了下风。通常，CFD会预测Cp接近飞行测量值，但垂直尾部的某个端口除外。

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    G. Vidya; K. Manokaran; C. Babu; Dipankar Das; M.M. Patil; V. Ashok; Haroon Rasheed;

  • 作者单位

    Aeronautics Entity Vikram Sarabhai Space Centre (VSSC) Department of Space, ISRO Post Thiruvananthapuram-695 022, India;

    Aeronautics Entity Vikram Sarabhai Space Centre (VSSC) Department of Space, ISRO Post Thiruvananthapuram-695 022, India;

    Aeronautics Entity Vikram Sarabhai Space Centre (VSSC) Department of Space, ISRO Post Thiruvananthapuram-695 022, India;

    Aeronautics Entity Vikram Sarabhai Space Centre (VSSC) Department of Space, ISRO Post Thiruvananthapuram-695 022, India;

    Aeronautics Entity Vikram Sarabhai Space Centre (VSSC) Department of Space, ISRO Post Thiruvananthapuram-695 022, India;

    Aeronautics Entity Vikram Sarabhai Space Centre (VSSC) Department of Space, ISRO Post Thiruvananthapuram-695 022, India;

    UR Rao Satellite Centre (URSC) Indian Space Research Organisation (ISRO) HAL Airport Road, Kodihalli Bangalore-560 017, India;

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  • 关键词

    Cp, CFD, Flight, High Angle of Attack, PARAS3D, RLV-TD, Supersonic Mach number;

    机译：Cp;CFD;飞行;高攻角;PARAS3D;RLV-TD;超音速马赫数;

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