Volume 41 Issue 7
Jul.  2015
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CHEN Yunxia, LIU Wangjia. Accessory gearbox temperature field analysis considering fuel injection lubrication[J]. Journal of Beijing University of Aeronautics and Astronautics, 2015, 41(7): 1171-1176. doi: 10.13700/j.bh.1001-5965.2014.0533(in Chinese)
Citation: CHEN Yunxia, LIU Wangjia. Accessory gearbox temperature field analysis considering fuel injection lubrication[J]. Journal of Beijing University of Aeronautics and Astronautics, 2015, 41(7): 1171-1176. doi: 10.13700/j.bh.1001-5965.2014.0533(in Chinese)

Accessory gearbox temperature field analysis considering fuel injection lubrication

doi: 10.13700/j.bh.1001-5965.2014.0533
  • Received Date: 28 Aug 2014
  • Rev Recd Date: 28 Oct 2014
  • Publish Date: 20 Jul 2015
  • Accessory gearbox is a major component of aero-engine, and the heat production and heat dissipation problems of accessory gearbox are complex. Previous studies have focused only on solid domains thermal analysis, however oil cooling effect has not been taken full account of. Aiming to complement this, a fluid simulation based on the steady-state temperature field thinking method of analysis was proposed. Firstly, basic rules and characteristics of the heat production and heat dissipation problems of the accessory gearbox were analyzed. Then we applied the k-ε turbulence model to simulation, applied the multiphase flow model to simulate the oil, and used multiple reference coordinate system to simulate heat transfer with gear rotation. Finally, the application of a specific case of accessory gearbox verified the correctness and feasibility of the method, which formed a set of effective models and methods using FLUENT software to simulate accessory gearbox's steady state temperature field. The result plays an important supporting role for subsequent research on accessory gearbox reliability and lifetime analysis.

     

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