Study on the Influence of Angle of Attack on the Temperature Field Distribution of Fairing

LUO Wei; ZHANG Xuefeng; WANG Bingzheng; LIU Xing; ZHU Tianshe

doi:10.15892/j.cnki.djzdxb.2023.04.010

Journal of Projectiles, Rockets, Missiles and Guidance >

2023 , Vol. 43 >Issue 4: 68 - 73

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2023.04.010

Study on the Influence of Angle of Attack on the Temperature Field Distribution of Fairing

LUO Wei ¹ ,
ZHANG Xuefeng ² ,
WANG Bingzheng ³ ,
LIU Xing ¹ ,
ZHU Tianshe ³

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¹ School of Electronic Information Engineering, Xi'an Technology University, Xi'an 710021, Shaanxi, China
² Beijing Institute of Astronautical Systems Engineering, Beijing 100076,China
³ Northwest Industrial Group Co., Ltd., Xi'an 710043, Shaanxi, China

Received date: 2022-12-02

Online published: 2025-02-07

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Abstract

Aiming at the problem that the temperature field distribution of the fairing is easily affected by the flight angle of attack, the temperature field model of the fairing is established according to the aerodynamic theory, and the accuracy of the numerical calculation is combined with the efficiency of the engineering calculation to study the temperature field distribution of the aircraft fairing Fluent fluid mechanics simulation software is used to simulate and analyze the temperature field distribution of the fairing based on sapphire (Al₂O₃) at a height of 20 km, a flight speed of Mach 5, and different angles of attack from 0° to 15°. The results show that: at 0° angle of attack, the temperature field of the fairing presents an axisymmetric distribution relative to the axis of the fairing, and at 15° the surface temperature field of the fairing presents an obvious asymmetric distribution. The temperature difference on the leeward side is small, and the temperature on the windward side of the fairing is 208.66 K higher than that on the leeward side under the flight condition of a high angle of attack of 15°. Research results can provide reference for thermal protection design of hypersonic missile fairing.

Key words： fairing; angle of attack; temperature field; Fluent

Cite this article

LUO Wei , ZHANG Xuefeng , WANG Bingzheng , LIU Xing , ZHU Tianshe . Study on the Influence of Angle of Attack on the Temperature Field Distribution of Fairing[J]. Journal of Projectiles, Rockets, Missiles and Guidance, 2023 , 43(4) : 68 -73 . DOI: 10.15892/j.cnki.djzdxb.2023.04.010

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