Volume 29 Issue 4
Apr.  2014
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YANG Zhi-min, JIA Zhen, ZHAO Yu, ZHANG Shu-hua, GE Xin. Numerical simulation of flow and heat transfer performance in turntable[J]. Journal of Aerospace Power, 2014, 29(4): 737-747. doi: 10.13224/j.cnki.jasp.2014.04.001
Citation: YANG Zhi-min, JIA Zhen, ZHAO Yu, ZHANG Shu-hua, GE Xin. Numerical simulation of flow and heat transfer performance in turntable[J]. Journal of Aerospace Power, 2014, 29(4): 737-747. doi: 10.13224/j.cnki.jasp.2014.04.001

Numerical simulation of flow and heat transfer performance in turntable

doi: 10.13224/j.cnki.jasp.2014.04.001
  • Received Date: 2013-05-16
  • Publish Date: 2014-04-28
  • For coolant water path of turntable scoured by hot gas at combustor exit, two-dimensional and three-dimensional physical models of were established to simulate the flow and heat transfer process in internal path. The effect of inlet pressure and mass flow of coolant water on flow resistant and heat transfer performance was investigated. The results show that: (1) increasing inlet pressure of coolant water has little influence on wall temperature of turntable, and the wall temperature of structure 1 increases by 5K and the wall temperature of structure 2 increases by 7K when the inlet pressure of coolant water of turntable increases from 2.3×105Pa to 8.3×105Pa; (2) the wall temperature of structure 1 decreases about 120K and the wall temperature of structure 2 decreases about 100K when the inlet velocity of coolant water increases from 0.5m/s to 5.3m/s; the cooling effect is obvious; (3) shortening passage area of structure 2 will gain better heat transfer effect with the smaller mass flow of coolant water.

     

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