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what are the effects of friction in a nozzle? Define nozzle efficiency, coefficient of velocity.
written 7.8 years ago by gravatar for teamques10 teamques10 ★ 65k modified 2.1 years ago by gravatar for sagarkolekar sagarkolekar ★ 11k
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written 7.8 years ago by gravatar for teamques10 teamques10 ★ 65k

EFFECTS OF NOZZLE FRICTION

The effects of nozzle friction are

  1. Reduction in enthalpy drop
  2. Reheating of steam i.e improving the quality of vapour at the exit
  3. Reduction in exit velocity
  4. Increase in specific volume
  5. Decrease in mass flow rate

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NOZZLE EFFICIENCY

Consider a convergent-divergent nozzle, the (h-S) diagram with friction …

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