Effects Analysis of 3D Inward Turning Inlet on Moment Characteristics of Vehicle with Inlets Decorated in Both Sides

Journal of Propulsion Technology ›› 2014, Vol. 35 ›› Issue (11): 1441-1447.

Air-Breathing Hypersonic Technology Research Centre CARDC ，Mianyang 621000，China;Air-Breathing Hypersonic Technology Research Centre CARDC ，Mianyang 621000，China; Science and Technology on Scramjet Laboratory Hypervelocity Aerodynamics Institute CARDC，Mianyang 621000，China;Air-Breathing Hypersonic Technology Research Centre CARDC ，Mianyang 621000，China;Air-Breathing Hypersonic Technology Research Centre CARDC ，Mianyang 621000，China; Science and Technology on Scramjet Laboratory Hypervelocity Aerodynamics Institute CARDC，Mianyang 621000，China

Published:2021-08-15

三维内转式进气道对双旁进气飞行器力矩特性的影响分析

卫　锋¹,贺旭照^1,2,贺元元¹,吴颖川^1,2

中国空气动力研究与发展中心吸气式高超声速技术研究中心，四川绵阳 621000;中国空气动力研究与发展中心吸气式高超声速技术研究中心，四川绵阳 621000; 中国空气动力研究与发展中心超高速空气动力学研究所高超声速冲压发动机技术重点实验室，四川绵阳 621000;中国空气动力研究与发展中心吸气式高超声速技术研究中心，四川绵阳 621000;中国空气动力研究与发展中心吸气式高超声速技术研究中心，四川绵阳 621000; 中国空气动力研究与发展中心超高速空气动力学研究所高超声速冲压发动机技术重点实验室，四川绵阳 621000

作者简介:卫　锋(1987—)，男，硕士，助理工程师，研究领域为高超声速飞行器进排气系统。
基金资助:
国家自然科学基金(91216303；51376192)。

Abstract

Abstract: Inward turning inlet has significant effects on the moment characteristics of the vehicle. A series of possible inward turning inlets designed at Ma=6.5 were generated with different layout form，air-in mode and centre body of basic flow-field to study the effects. The results indicate that，the water-drop shape inlet with connection board has a better performance of moment characteristics when decorated in both sides of vehicle，which is easier to meet overall demand of the vehicle relatively. The layout form has the largest effect on moment characteristics of inward turning inlet. The air-in mode has a more obvious effect on sideslip moment than the centre body of basic flow-field. Pitch moment and rolling moment are affected more by the centre body of basic flow-field. Pitch moment has little change when the centre body of basic flow-field changes between 0～0.1Rs (Rs is the entry radius of basic flow-field)，but changed much between 0.1～0.2Rs.

Key words: Hypersonic；Layout form of inlet；Air-in mode of inlet；Moment characteristics；Inward turning inlet

摘要： 为了研究三维内转式进气道对飞行器力矩特性的影响规律，对一系列设计状态为Ma=6.5的内转式进气道展开力矩特性研究。对不同布局形式，进气形式以及基准流场中心体的内转式进气道对飞行器力矩特性的影响展开分析研究。研究结果表明，对于内转式进气道而言，有连接板的水滴型进气道双侧布局力矩特性较优，且容易满足飞行器总体需求；布局形式对进气道的力矩特性影响最显著，进气形式对侧滑力矩的影响比基准流场中心体影响更明显，而抬头力矩和滚转力矩受基准流场中心体影响更加突出；中心体在0～0.1Rs(Rs为基准流场入口半径)变化时，抬头力矩变化不大，而在0.1～0.2Rs抬头力矩变化明显。

关键词: 高超声速；进气道布局形式；进气道进气形式；力矩特性；内转式进气道

WEI Feng¹,HE Xu-zhao^1,2,HE Yuan-yuan¹,WU Ying-chuan^1,2. Effects Analysis of 3D Inward Turning Inlet on Moment Characteristics of Vehicle with Inlets Decorated in Both Sides[J]. Journal of Propulsion Technology, 2014, 35(11): 1441-1447.

卫　锋,贺旭照,贺元元,吴颖川. 三维内转式进气道对双旁进气飞行器力矩特性的影响分析[J]. 推进技术, 2014, 35(11): 1441-1447.

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