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Numerical study of heat transfer deterioration of turbulent supercritical kerosene flow in heated circular tube
Alternative TitleINTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER
Dang GX; Zhong FQ(仲峰泉); Zhang YJ; Zhang XY(张新宇); Zhong, FQ (reprint author), Chinese Acad Sci, Inst Mech, Bei Si Huan Xi Rd 15, Beijing 100190, Peoples R China.
Source PublicationINTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER
2015-06
Volume85Pages:1003-1011
ISSN0017-9310
AbstractTurbulent flow and convective heat transfer of supercritical kerosene flow in an axisymmetrically heated circular tube with a diameter of 2 mm and at a mass flow rate range of 0.0015-0.015 kg/s and a wall heat flux range of 0.15-2.0 MW/m(2) are numerically studied using Reynolds averaged Navier Stokes method with a two-layer turbulence model. The thermophysical and transport properties of kerosene are determined by a 10-species surrogate with the Extended Corresponding State method. Mesh dependency is first investigated and numerical results of fuel and wall temperatures are compared with experimental data for validations. The results show that flow properties such as velocity and Reynolds number increase significantly along the axial direction as the fuel temperature rises and kerosene undergoes the state transition from liquid to supercritical state. Deterioration of convective heat transfer is found to occur when the wall heat flux exceeds a critical value and at the same time, the wall temperature approaches the pseudo-critical temperature of kerosene. The present results show that deterioration of heat transfer are attributed to the development of turbulent properties in the near-wall region based on the results of turbulent kinetic energy and turbulence production term. The relation between the critical heat flux (q(wc)) for occurrence of heat transfer deterioration and the mass flux (G) is studied and a fitting formula of q(wc) and G is obtained. (C) 2015 Elsevier Ltd. All rights reserved.
KeywordSupercritical Kerosene Convective Heat Transfer Turbulent Flow Numerical Study
DOI10.1016/j.ijheatmasstransfer.2015.02.052
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Indexed BySCI ; EI
Language英语
WOS IDWOS:000353249000094
WOS KeywordAVIATION KEROSENE ; PRESSURE ; METHANE ; PROPULSION ; WATER ; FUEL
WOS Research AreaThermodynamics ; Engineering ; Mechanics
WOS SubjectThermodynamics ; Engineering, Mechanical ; Mechanics
Funding OrganizationNatural Science Foundation of China [11172309]
DepartmentLHD高超声速推进技术
Classification一类
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/49989
Collection高温气体动力学国家重点实验室
Corresponding AuthorZhong, FQ (reprint author), Chinese Acad Sci, Inst Mech, Bei Si Huan Xi Rd 15, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Dang GX,Zhong FQ,Zhang YJ,et al. Numerical study of heat transfer deterioration of turbulent supercritical kerosene flow in heated circular tube[J]. INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER,2015,85:1003-1011.
APA Dang GX,Zhong FQ,Zhang YJ,Zhang XY,&Zhong, FQ .(2015).Numerical study of heat transfer deterioration of turbulent supercritical kerosene flow in heated circular tube.INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER,85,1003-1011.
MLA Dang GX,et al."Numerical study of heat transfer deterioration of turbulent supercritical kerosene flow in heated circular tube".INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER 85(2015):1003-1011.
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