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Graph 2 Substance Ammonia This is an hypothetic Refrigeration cycle. Draw the schematic for this case. (evaporator, compressors ...) Sketch...

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Question

Mechanical Engineering

Graph 2
Substance Ammonia
This is an hypothetic Refrigeration cycle.
Draw the schematic for this case. (evaporator, compressors...)
Sketch the T-s and P-v diagram. 30 points.
Process

State 1 leaving the evaporator at -20 C and 175 kPa

State 2 leaving the Low pressure isentropic compressor at 5.5bar and enter the high pressure irreversible compressor to state3

State 3 135 C, 20 bar

State 4 isobaric condenses process (3-4) to saturatedliquid

State 5 (4-5) expansion valve to 5.5 bar and enter to a flashchamber
The flash chamber receive the liquid-vapor mixture andseparate the vapor and liquid. Its return the vapor to the Highpressure compressor entry and the saturated liquid is tag as state6

State 6 isobaric process to saturated liquid

State 7 (6-7) expansion valve to low pressure line enter theevaporator

Answer & Explanation Solved by verified expert
4.3 Ratings (729 Votes)
State 1 is superhit ammonia which enter in low pressurecompressor and reach at state 2state 2 combiend with    See Answer
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