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research-article

Numerical study of impingement cooling of aviation kerosene at supercritical conditions

[+] Author and Article Information
Yunfei Xing

State Key Laboratory of High Temperature Gas Dynamics, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China
xingyunfei@imech.ac.cn

Fengquan Zhong

State Key Laboratory of High Temperature Gas Dynamics, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China
fzhong@imech.ac.cn

Xinyu Zhang

State Key Laboratory of High Temperature Gas Dynamics, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China
changxy@imech.ac.cn

1Corresponding author.

ASME doi:10.1115/1.4040612 History: Received January 10, 2018; Revised June 04, 2018

Abstract

In the present paper, numerical study of flow and heat transfer properties of RP-3 kerosene at liquid and supercritical conditions in a impingement model are conducted with RNG k-e turbulence model and a 10-species surrogate of kerosene. The independence of grids is first studied and the numerical results are compared with experimental data for validation. Characteristics of flow and heat transfer of kerosene flow in the impingement model are studied with different inlet mass flow rates and different inlet temperatures. The velocity and temperature field shows similar profile compared to that of air impingement. The heat transfer rates increase first with the increasing of inlet temperature and then decrease suddenly when the inlet temperature is 500K.

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