Essays about: "two-stage orifice valve"

Found 1 essay containing the words two-stage orifice valve.

1. 1. Open Issues in Control ofAutomotive R744 Air-ConditioningSystems

   University essay from Elektroteknik

   Author : Sanaz Karim; [2007]
   Keywords : R744; Air-Conditioning; COP; Cooling power; optimization; two-stage orifice valve; Two-evaporator;

   Abstract : In this thesis, one of the current control algorithms for the R744 cycle, which tries tooptimize the performance of the system by two SISO control loops, is compared to acost-effective system with just one actuator. The operation of a key component of thissystem, a two stage orifice expansion valve is examined in a range of typical climateconditions. READ MORE