Numerical simulation of heat transfer for exhausted gases jet impinging

Liu Xiao-jun; Fu De-bin; Niu Qing-lin; Li Xia

doi:10.11883/1001-1455(2015)02-0229-07

Volume 35 Issue 2

Mar. 2015

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Liu Xiao-jun, Fu De-bin, Niu Qing-lin, Li Xia. Numerical simulation of heat transfer for exhausted gases jet impinging[J]. Explosion And Shock Waves, 2015, 35(2): 229-235. doi: 10.11883/1001-1455(2015)02-0229-07

Citation:

Liu Xiao-jun, Fu De-bin, Niu Qing-lin, Li Xia. Numerical simulation of heat transfer for exhausted gases jet impinging[J]. Explosion And Shock Waves, 2015, 35(2): 229-235. doi: 10.11883/1001-1455(2015)02-0229-07

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Numerical simulation of heat transfer for exhausted gases jet impinging

doi: 10.11883/1001-1455(2015)02-0229-07

School of Aerospace Engineering, Beijing Institute of Technology, Beijing 100081, China

Received Date: 2013-08-29
Rev Recd Date: 2013-12-13
Publish Date: 2015-03-25

Abstract

Abstract

To the case of heat transfer, the flowing process of jet flow impacting on a plate vertically is simulated by employing RNGk-ε turbulence model, which is compared with the experimental data, to verify the feasibility of the model. Based on the simulating results, the models of the impact of supersonic jet flow on plate vertically and on submerged plate are built respectively by considering the parameters of rocket nozzle entrance as the inlet conditions. In addition, the distributions of the Nusselt number and temperature are calculated under different impacting conditions. Moreover the characteristics and factors of supersonic jet flow heat transfer are analyzed. The results show the range of Nusselt number under different impacting distances are between 14D and 18D, and reflect that the impacting distance and jet flow temperature are the key factors which influence the heat transfer rate. Furthermore, when the impacting distance increases, the heat transfer rate decreases. In contrast, the higher the temperature of jet flow on the plate is, the greater the efficiency of heat transfer is.
- fluid mechanics,
- heat transfer for jet flow,
- RNGk-ε turbulence model,
- submerged plate,
- Nusselt number

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References(15)

References

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