Fill in the blanks: An ammonia vapor compression system includes a liguid to suction vapor heat exchanger in the system. The heat exchanger warm the saturated vapor coming from the evaporator from -10°C to 5°C with liquid which comes from the condenser at 30°C. Calculate the following a) mass flow rate of refrigerant if it vaporizes at the rate of 3 Lps from the evaporator, kg/s Qu b.) refrigeration capacity TOR c.) compressor's work in Hp: d.) COP, e) heating capacity of the heat exchanger, kW

Fill in the blanks: An ammonia vapor compression system includes a liguid to suction vapor heat exchanger in the system. The heat exchanger warm the saturated vapor coming from the evaporator from -10°C to 5°C with liquid which comes from the condenser at 30°C. Calculate the following a) mass flow rate of refrigerant if it vaporizes at the rate of 3 Lps from the evaporator, kg/s Qu b.) refrigeration capacity TOR c.) compressor's work in Hp: d.) COP, e) heating capacity of the heat exchanger, kW

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter50: Commercial, Packaged Rooftop, Variable Refrigerant Flow, And Variable Air Volume Systems

Section: Chapter Questions

Problem 22RQ: Variable refrigerant flow systems sense the ______and _____of the refrigerant to determine the...

See similar textbooks

Similar questions

Four methods for controlling head pressure in an air-cooled condenser are ______, ______, _______, and
Q.2: A refrigeration system using refrigerant 22 is to have a refrigerating capacity of 80 kW. The cycle is a standard vapor-compression cycle in which the evaporating temperature 42°C. -8°C and the condensing temperature (a) Determine the volume flow of refrigerant measured in cubic is meters inlet at the to the compressor. second per (b) Calculate the power required by the compressor. (c) At the entrance to the evaporator what is the fraction of vapor in the mixture.
Given that the temperatures of the generator, condenser, absorber and evaporator of a VARS system are 94, 44, 25, and 10/°C), respectively, then COPmax?. If the how rate of the reftigerant is 0.09 [kg/s), then, the flow rates of the strong and weak solutions are?
derive the general formula for the intercooling related to the number of stage of compressor
Q. Mention the main reguirements of a steam condensing plant.
4. What is the function of evaporator in simple vapour compression system?
PLease answer with clean solution. Thanks A refrigeration system using refrigerant 12 is to have a refrigerating capacity of 80 kW. The cycle is a standard vapor-compression cycle in which the evaporating temperature is -15°C and the condensing temperature 30°C. Determine the volume flow of refrigerant measured in liters per second at the inlet to the compressor.
In a basic LiBr-water machine, the generator operates at 170 F while the evaporator is at 47 F. the absorbing temperature is 75 F and the condensing temperature is 88 F. Compute the HRR for these conditions.
Q.1. A refrigeration process with interstage cooling uses refrigerant HFC-134a, and the outlet of the condenser is to be saturated liquid at 40°C. Refer to the following figure for stream numbers in your solution. The pressure of the flash chamber and the intermediate pressure between compressors is to be 290 kPa. The evaporator is to operate at -20°C and the outlet is to be saturated vapor. The flowrate of stream 1 is 23 kg/h. The flash chamber may be considered adiabatic. The compressors may be considered to be 80% efficient. a) What is the power input required to the first compressor? b) What are the flowrates of streams 6 and 7? What is the enthalpy of stream 4? Hot Side 6 5 Condenser 2nd Stage Compressor Throttle Valve 7 Flash Chamber Vapor Phase Only 1st Stage Compressor 8 Throttle Valve Evaporator 1 2 Cold Side
A steam condenser receives 10 kg per second of steam with an enthalpy of 2570 KJ/kg. Steam condenses into liquid and leaves with an enthalpy of 160 KJ/kg, if cooling water passes through the condenser with temperature increases from 13oC to 24oC. Calculate the cooling water flow rate in kg/sec. pls dont skip anything show all solution including conversion of units
The condensing pressure for a Rankine engine is 0.001325 MPavac. Calculate the following for steam flow rate = 1 kg/sec of steam when the steam at the beginning of expansion is at 119.6 deg SH and 4.0 Mpaa. Draw the TS and equipment diagrams for the ideal and actual case and find for the following for the ideal case: Pump work in KW. Ans. Ideal heat rate in KJ/KW-hr. Ans. Rankine engine efficiency (%). Ans. Cycle thermal efficiency ( %). Ans
Calculate the mass flow rate of the refrigerant.