Refrigerant R-134a enters a 30cm diameter pipe (circular cross-section) at an absolute pressure of 200 kPa and a temperature of 10 °C with a velocity of 5 m/sec. Heat is transferred to the refrigerant as it flows and the gas leaves the pipe at 180 kPa and 50 °C. Find the following quantities:a. The density of the gas at the inlet and exit of the pipe.b. The mass flow rate of the refrigerant in kg/sec.c. The volume flow rate at the inlet in m3/sec.d. The volume flow rate at the exit in m3/sec.e. The exit velocity in m/sec.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Refrigerant R-134a enters a 30cm diameter pipe (circular cross-section) at an absolute pressure of 200 kPa and a temperature of 10 °C with a velocity of 5 m/sec. Heat is transferred to the refrigerant as it flows and the gas leaves the pipe at 180 kPa and 50 °C. Find the following quantities:

a. The density of the gas at the inlet and exit of the pipe.
b. The mass flow rate of the refrigerant in kg/sec.
c. The volume flow rate at the inlet in m3/sec.
d. The volume flow rate at the exit in m3/sec.
e. The exit velocity in m/sec.

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