Reciprocatin compressor - , Mechanical Engineering

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Reciprocatin Compressor. It is taken in use to compressor gases. (kE2 - kE1) = 0, (pE2 - pE1) = 0

q_1-2 - w_1-2 = (h₂ - h₁) + 0 + 0 - q_1-2 - (-w_1-2) = h₂ - h₁

w_1-2= q_1-2 + (h₂ - h₁)

Heat gets rejected and work is done on system.

789_Reciprocatin Compressor -.png

*Dirrerent Cases of Sfee*	*Sfee*
1. Boiler	q = h2 - h1
2. Condenser	q = h1 - h2
3. Refrigeration or Evaporator	q = h1 - h2
4. Nozzle	V 2/2 - V 2/2 = h - h
5. Turbine	W1-2 = h1 - h2; WD by the system due to decrease in enthalpy
6. Rotary compressor	W1-2 = h2 - h1; WD by the system due to increae in enthalpy
7. Reciprocating Compressor	W1-2 = q1-2 + (h2 - h1)
8. Diffuser	q - w = (h2 - h1) + ½( V22 -V 2)

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