Volume 30 Issue 11
Nov.  2015
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GAO Li-min, LI Ping, CHEN Xuan, ZHOU Li. Application of time-inclined method on the unsteady simulation of turbomachinery[J]. Journal of Aerospace Power, 2015, 30(11): 2630-2637. doi: 10.13224/j.cnki.jasp.2015.11.010
Citation: GAO Li-min, LI Ping, CHEN Xuan, ZHOU Li. Application of time-inclined method on the unsteady simulation of turbomachinery[J]. Journal of Aerospace Power, 2015, 30(11): 2630-2637. doi: 10.13224/j.cnki.jasp.2015.11.010

Application of time-inclined method on the unsteady simulation of turbomachinery

doi: 10.13224/j.cnki.jasp.2015.11.010
  • Received Date: 2014-04-08
  • Publish Date: 2015-11-28
  • The method of time-inclined was applied to deal with arbitrary pitch ratio for unsteady simulations. Through time and space conversion of the flow control equation, the unsteady time exact algorithm of two adjacent blade rows with unequal pitch at any speed was developed, so that the method was expanded to be suited to the unsteady flow calculation of turbomachinery with extraordinary rotor/rotor construction. On this basis, the programs of time-inclined algorithm and domain scaling algorithm were both written. The unsteady flow calculation of the stator/rotor interaction between an inlet guide vane and rotor shows that compared with domain scaling algorithm, time-inclined method using the original single-channel model truly reflects the unsteady flow field; at the same time, the amount of calculation is only 2/41 of the total channel simulation, greatly saving the cost calculation.

     

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