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http://dx.doi.org/10.12985/ksaa.2015.23.3.008

An Efficient Fluid-Thermal Integrated Analysis for Air-Intake Structure Design of a High Speed Air Vehicle  

Chun, Hyung-Geun (건국대학교 대학원 항공우주정보시스템공학과)
Ryu, Dong-Guk (건국대학교 대학원 항공우주정보시스템공학과)
Lee, Jae-Woo (건국대학교 대학원 항공우주정보시스템공학과)
Kim, Sang-Ho (건국대학교 항공우주정보시스템공학과)
Publication Information
Journal of the Korean Society for Aviation and Aeronautics / v.23, no.3, 2015 , pp. 8-17 More about this Journal
Abstract
In this research, low fidelity air/heat load analysis was conducted for the intake of high speed vehicle. For air/heat load calculations, aerodynamic properties at the surface and the boundary layer edge were estimated using Taylor-Maccoll equation for conical flow, shockwave relation and Prandtl-Meyer expansion equation for internal and external flow. Couette flow assumption and Reynolds analogy were used in order to calculate convective heat transfer coefficient. In order to calculate skin friction coefficient for heat transfer coefficient analysis, Van Driest method II and Reference Enthalpy method were considered. An axis symmetric SCRAMJET model was selected as a reference configuration for verifying the proper implementation of the present method. Comparison of the results using the present method and Computational Fluid Dynamic analysis showed that the present method is valuable for efficiently providing pressure and heat loads for air-intake structure design of the high speed air vehicle.
Keywords
Convective heat transfer coefficient; Couette flow; Reynolds analogy; Skin friction coefficient;
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