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Tuesday 16 October 2012

steady flow equation in Steam nozzle


Nozzle is a device with varying x-sectional area through which the pressure energy of
 flowing fluid decreases and the K.E. increases.
      The main aim is to produce a jet of very high velocity
      In the nozzle,

      1 Nozzle is insulated so that no heat enters or leaves the system i e q = 0
      2 No work is being done in the nozzle, w = 0
      3 Changes in P.E. are negligible i.e. Z1 = Z2

Applying steady flow energy equation per unit mass



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