Estimate the specific volume of refrigerant-134a at a pressure of 3 bar and a temperature of -12 degree C.
Estimate the specific volume of refrigerant-134a at a pressure of 3 bar and a temperature of...
The refrigerant R-134a (CF3CH2F, tetrafluorethane) has a specific volume υs=0.0309 m3/kg at a pressure p=0.26 MPa. B. Calculate the molar mass of tetrafluorethane CF3CH2F. MR-134a = ????? g C. Determine the temperature T of tetrafluorethane. T = ???? K
Problem 3 Ten kilograms of refrigerant-134a fill a weighted piston-cylinder container with the volume of 1.595 mat a temperature of -26 C. The container is now heated until the temperature is 90 'C. Determine the final volume of the refrigerant-134a. R-134a -26°C 10 kg 1.595 m3
a rigid 14 l vessel initially contains refrigerant 134a at 30 c and has a specific volume of 0.07m^3/kg. the mixture is having heat transfer to reach a pressure of 200kPa. calculate the heat transfer required for this process. state the process is heat addition or rejection to or from the system.
uestion 5 The specific volume of a system consisting of refrigerant-134a at 1.0 Mpa is 0.01 m3kg. The quality of the R-134a is 12.6% 46 9 % 68 3 % e None of them 354% Moving to another question will save this response to 250000231 (manea) (identity verified).
Question 3 Determine the specific volume of refrigerant-134a vapour at 0 9 MPa and 70°C based on, (a) The ideal-gas equation (b) The generalızed compressibility chart, and (c) Data from tables Also, determine the error involved in the first two cases (7) (9) (2) [181 CON
Question 3 (10 points) Find the specific volume of Refrigerant R-134a at 0.9 MPa, and 70 °C using the ideal gas and real gas assumptions. Then determine the percentage error between two values, (greater value-smaller value)/greater value) 100. Round the answer to one significant figure. (The properties of R-134a are given as R = 0.08149 kJ/kg-K, Tcr = 374.2 K, Pcr = 4.059 MPa) 7.5 % 10.6 % 16,5 %
0.4 kg of Refrigerant 134a initially fills a piston–cylinder device with a volume of 15 L at a pressure of 400 kPa. The cylinder is connected to a supply line through a valve. R-134a is flowing in the supply line at 900 kPa and 45°C. The valve is opened, and R-134a is allowed to enter the cylinder. The valve is closed when the volume of the cylinder is triple and the temperature in the cylinder reaches 15°C. During the process,...
Estimate the Joule-Thomson coefficient of refrigerant-134a at 320 kPa and 20°C. Assume the second state will be selected for a pressure of 280 kPa. Use data from the tables. The Joule-Thomson coefficient of refrigerant-134a is _______ K/kPa.
1. Refrigerant-134a is cooled by water in a condenser. The refrigerant enters the condenser at a pressure of 1 MPa and a temperature of 70 °C at a flow rate of 6 kg/min and exits at a temperature of 35 °C. Cooling water enters the condenser at 300 kPa pressure and 15 °C temperature and exits at 25 °C temperature. By neglecting pressure losses, Calculate; a) mass flow of cooling water b) the heat transfer from the refrigerant to the...
1. Refrigerant-134a is cooled by water in a condenser. The refrigerant enters the condenser at a pressure of 1 MPa and a temperature of 70 °C at a flow rate of 6 kg / min and exits at a temperature of 35 °C. Cooling water enters the condenser at 300 kPa pressure and 15 °C temperature and exits at 25 °C temperature. By neglecting pressure losses, Calculate; a) mass flow of cooling water b) the heat transfer from the refrigerant...