(b) A refrigeration plant uses a flash chamber to separate saturated vapor and saturated liquid from a mixture of refrigerant. Refrigerant R134a at 1200 kPa and 36°C flows through a well-insulated expansion valve where its pressure is reduced to 450 kPa. The R134a then lows into a well-insulated flash chamber where the saturated vapor and saturated liquid of the mixture are separated at constant pressure of 450 kPa. Changes in kinetic and potential energies for both components can be neglected. For 1 kg/s of R 1 34a flowing through the expansion valve, determine i)the temperature ("C) and specific internal energy (kJ/kg) of the R134a at the inlet of the flash chamber ii) the mass flowrate of the saturated vapour (kg/s) iii) the mass flowrate of the saturated liquid (kg/s)
(b) A refrigeration plant uses a flash chamber to separate saturated vapor and saturated liquid from a mixture of refrigerant. Refrigerant R134a at 1200 kPa and 36°C flows through a well-insulated expansion valve where its pressure is reduced to 450 kPa. The R134a then lows into a well-insulated flash chamber where the saturated vapor and saturated liquid of the mixture are separated at constant pressure of 450 kPa. Changes in kinetic and potential energies for both components can be neglected. For 1 kg/s of R 1 34a flowing through the expansion valve, determine i)the temperature ("C) and specific internal energy (kJ/kg) of the R134a at the inlet of the flash chamber ii) the mass flowrate of the saturated vapour (kg/s) iii) the mass flowrate of the saturated liquid (kg/s)
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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(b) A refrigeration plant uses a flash chamber to separate saturated vapor and saturated liquid from a mixture of refrigerant. Refrigerant R134a at 1200 kPa and 36°C flows through a well-insulated expansion valve where its pressure is reduced to 450 kPa. The R134a then lows into a well-insulated flash chamber where the saturated vapor and saturated liquid of the mixture are separated at constant pressure of 450 kPa. Changes in kinetic and potential energies for both components can be neglected. For 1 kg/s of R 1 34a flowing through the expansion valve, determine
i)the temperature ("C) and specific internal energy (kJ/kg) of the R134a at the inlet of the flash chamber
ii) the mass flowrate of the saturated vapour (kg/s)
iii) the mass flowrate of the saturated liquid (kg/s)
Q2
Transcribed Image Text:Expansion
valve
Flash
Saturated
chamber
vapor
Saturated
liquid
Figure Q2
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