is -10°C, Question No.2 (Laboratory Refrigeration Processes) Compression refrigeration system uses Freon R717, evaporating temperature condensing temperature is 40 °C, and mass flow rate 0.032 kg/s. Heat exchanger (HE) is used in liquid line and the vapor is superheated 6 °C. NH3 Cond # Exp. Pe Evap bs (kJ/kg) h1-1449 kJ/kg. h2-1470 kJ/kg. h3-1724 kJ/kg h4-389 kJ/kg HE wad A

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Question No.2 (Laboratory Refrigeration Processes)
Compression refrigeration system uses Freon R717, evaporating temperature
condensing temperature is 40 °C, and mass flow rate 0.032 kg/s. Heat exchanger
in liquid line and the vapor is superheated 6 °C.
NH3
Cond
Pe
HE
Exp.
Pe
$19
Evap
h (kJ/kg)
h1-1449 kJ/kg. h2-1470 kJ/kg. h3-1724 kJ/kg ,h4-389 kJ/kg
Q2/ A-Estimate the Enthalpy h5 = h6
(kj/kg)
390 O
301 O
350 O
368
is -10 °C,
(H.E) is used
Transcribed Image Text:Question No.2 (Laboratory Refrigeration Processes) Compression refrigeration system uses Freon R717, evaporating temperature condensing temperature is 40 °C, and mass flow rate 0.032 kg/s. Heat exchanger in liquid line and the vapor is superheated 6 °C. NH3 Cond Pe HE Exp. Pe $19 Evap h (kJ/kg) h1-1449 kJ/kg. h2-1470 kJ/kg. h3-1724 kJ/kg ,h4-389 kJ/kg Q2/ A-Estimate the Enthalpy h5 = h6 (kj/kg) 390 O 301 O 350 O 368 is -10 °C, (H.E) is used
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