Volume 32 Issue 10
Oct.  2017
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Stable hydraulic computation method for fuel pipe system based on the graph theory[J]. Journal of Aerospace Power, 2017, 32(10): 2344-2354. doi: 10.13224/j.cnki.jasp.2017.10.006
Citation: Stable hydraulic computation method for fuel pipe system based on the graph theory[J]. Journal of Aerospace Power, 2017, 32(10): 2344-2354. doi: 10.13224/j.cnki.jasp.2017.10.006

Stable hydraulic computation method for fuel pipe system based on the graph theory

doi: 10.13224/j.cnki.jasp.2017.10.006
  • Received Date: 2016-03-01
  • Publish Date: 2017-10-28
  • Using nodal analysis model, a treatment for evaluating the local losses by merging them into relevant pipes was proposed and equations for computing total losses were deduced. Consequently, a method considering both friction and local losses was developed for stable fuel piping system. Then, it was applied to a practical simplified aeroengine fuel piping system. A software based on this algorithm was developed with VBNET language. Besides, threedimensional numerical simulations were conducted for the fuel piping system as well. Results showed that local loss affected the flow distribution a lot and directly determined the results. When solutions of the present method and numerical simulation were compared, they presented well agreement with each other with an error of ±10%.

     

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