Study of Hybrid Air Vehicle Stability Using Computational Fluid Dynamics

被引：6

作者：

Carrion, M. ^{[1
]}

Biava, M. ^{[1
]}

Barakos, G. N. ^{[1
]}

Stewart, D. ^{[2
,3
]}

机构：

[1] Univ Glasgow, Sch Engn, CFD Lab, Glasgow G12 8QQ, Lanark, Scotland

[2] Univ Glasgow, Glasgow G12 8QQ, Lanark, Scotland

[3] Hybrid Air Vehicles Ltd, Cardington Airfield, Hangar 1, Bedford MK42 0TG, England

来源：

JOURNAL OF AIRCRAFT | 2017年 / 54卷 / 04期

基金：

英国工程与自然科学研究理事会;

关键词：

AIRSHIP; AERODYNAMICS; DERIVATIVES; MODEL;

D O I：

10.2514/1.C033987

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

This paper uses computational fluid dynamics to predict aerodynamic damping of airships or hybrid air vehicles. This class of aircraft is characterized by large lifting bodies combining buoyancy and circulatory lift. Damping is investigated via forced oscillations of the vehicle in pitch and yaw. The employed method is verified using data for lighter-than-air vehicles. The use of fins and stabilizers is found to be beneficial. The rear part of the body is dominated by separated flow that contains more frequencies than the forcing frequency imposed on the body. The final design is seen to be dynamically stable across a range of conditions for small pitch angles.

引用

页码：1328 / 1339

页数：12

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