Estimation of Exhaust Gas Temperature of the Rocket Nozzle using Hybrid Approach

查看全文 作　　者：Manohar [1]Karnal;Beenish [2]Batul

机构地区：[1]ZARM Institute,Bremen,Germany;[2]Lulea University of Technology,Kiruna,Sweden

出　　处：《Journal of Thermal Science》索引2016年第25卷第6期,共7页

摘　　要：In this paper the theoretical model is built for ZEpHyR(ZARM Experimental Hybrid Rocket) main engine which is being developed at ZARM institute,Bremen,Germany.The theoretical model is used to estimate the temperature of exhaust gas.The Conjugate Gradient Method(CGM) with Adjoint Problem for Function Estimation iterative technique is used to solve the Inverse Heat Conduction Problem(IHCP) to estimate the heat flux and internal wall temperature at the throat section of the nozzle.Bartz equation is used to calculate the convective heat transfer coefficient.The exhaust gas temperature is determined using the estimated heat flux,the wall temperature at internal surface of nozzle and the heat transfer coefficient.The accuracy of CGM iterative scheme to solve the IHCP is also investigated and its results are presented. 关键词：嘴喉咙反的热传导问题对流的热转移系数结合坡度方法用尽煤气的温度

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Estimation of Exhaust Gas Temperature of the Rocket Nozzle using Hybrid Approach

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