Volume 28 Issue 1
Jan.  2013
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LI Jun-hai, YU Nan-jia, CAI Guo-biao. Design and experiment of two-stage flow control valve[J]. Journal of Aerospace Power, 2013, 28(1): 219-225.
Citation: LI Jun-hai, YU Nan-jia, CAI Guo-biao. Design and experiment of two-stage flow control valve[J]. Journal of Aerospace Power, 2013, 28(1): 219-225.

Design and experiment of two-stage flow control valve

  • Received Date: 2011-12-28
  • Publish Date: 2013-01-28
  • Principle and design methods of a new two-stage flow control valve were presented.Tank pressure was used to regulate the motion of the valve to open the valve and change the work status.The pressurization feeding system started and changed the mass flow rate of the oxide as the valve worked.The key parameters of the valve,including key part's outer diameter,the stiffness and initial compression of the spring,were analyzed.The tests show that the coefficients of local pressure loss of the valve were same at different working statuses.Experimental results for the feeding system using the valve were obtained.In the tests,the valve opened quickly and the feeding system changed the mass flow successfully.In the first stage,the mass flow rate of the hydrogen peroxide was 4.5kg/s.In the second stage,it was 2kg/s.It is proved that the design and test methods of the valve are feasible.

     

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