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Refrigerant-134a enters an adiabatic compressor as saturated vapor at -24C and leaves at 0.8 MPa and 60C. When the mass flow rate of the refrigerant is 1.2 kg/s, determine the power input to the compressor.

Respuesta :

Olajidey

Answer:

= 287kW

Explanation:

Knowing the enthalpy data, we have to

[tex]h1=239.16kJ/kg\\h2=296.81kJ/kg[/tex]

So,

[tex]E_i_n_p_u_t=mh_1[/tex]

Here,

m=mass flow rate

h= Enthalpy of refrigerant at the compressor

Replacing

= 1.2 × 239.16

= 287kW

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