Refrigerant 22 is the working fluid in a Carnot vapor refrigeration cycle for which the evaporator temperature is -30°C. Saturated vapor enters the condenser at 36°C, and saturated liquid exits at the same temperature. The mass flow rate of refrigerant is 10 kg/min. Determine the net power input to the cycle, in kW, A) 5.1 B 4.1 3.1 6.1

Refrigerant 22 is the working fluid in a Carnot vapor refrigeration cycle for which the evaporator temperature is -30°C. Saturated vapor enters the condenser at 36°C, and saturated liquid exits at the same temperature. The mass flow rate of refrigerant is 10 kg/min. Determine the net power input to the cycle, in kW, A) 5.1 B 4.1 3.1 6.1

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

See similar textbooks

Similar questions

a) Heat leaks from the air in a kitchen through the walls of a refrigerator into the refrigerated cold space at a rate of 0.3 kW. The refrigerator operates in an ideal vapor compression refrigeration cycle between 1.2 bar and 9 bar. It uses refrigerant R-134a as the working fluid. Determine: i) the mass flow rate of the refrigerant. ii) the compressor power.
Please help me I'm struggling with this thermodynamics problem.
Refrigerant 22 is the working fluid in a Carnot refrigeration cycle operating at steady state. The refrigerant enters the condenser as saturated vapor at 36°C and exits as saturated liquid. The evaporator operates at -30°C. Determine, in kJ per kg of refrigerant flowing, the work input to the compressor. 46.58 21.06 40.34 32.10 B D
From the given data, if refrigerant circulation rate is 0.025kg/s, find the refrigerant effect of the ideal vapour compression cycle.
Ideal vapor-compression refrigeration cycle functions at steady state. Working fluid is Refrigerant 134a. Saturated vapor enters compressor at 1.70 bar. Saturated liquid leaves condenser at 7 bar. Refrigerant has mass flow rate = 7.9 kg/min DETERMINE: 1. What is power of compressor in Watt? 2. What is coefficient of performance? 3. What is refrigerating capacity in tons?
Refrigerant 22 is the working fluid in a Carnot refrigeration cycle operating at steady state. The refrigerant enters the condenser as saturated vapor at 36°C and exits as saturated liquid. The evaporator operates at -30°C. Determine, in kJ per kg of refrigerant flowing, the net work in the cycle. A 20.37 B 36.47 18.37 24.37
Refrigerant 22 is the working fluid in a Carnot vapor refrigeration cycle for which the evaporator temperature is -30°C. Saturated vapor enters the condenser at 36°C, and saturated liquid exits at the same temperature. The mass flow rate of refrigerant is 10 kg/min. Determine the power input to the compressor, in kW, (A) 6.72 (B) 5.35 7.76 3.51 D
An ammonia-water absorption refrigeration cycle is used to keep a space at -5 C when the ambient temperature is 20 C. Pure ammonia enters the condenser at 20 bar and 60 C at a rate of 0.02 kg/s. Ammonia leaves the condenser as a saturated liquid and is expanded to 2 bar. Ammonia leaves the evaporator as a saturated vapor. Heat is supplied to the generator by geothermal liquid water that enters at 100 C at a rate of 0.25 kg/s and leaves at 70 C. Determine (a) the cooling capacity (in TR) and (b) COP of the system. The enthalpies of ammonia at various states of the system are: condenser inlet h2 = 1510 kJ/kg, evaporator inlet h4 = 418 kJ/kg, evaporator exit h1 = 1420 kJ/kg. Take the specific heat of geothermal water to be 4.18 kJ/kg-K
Below is an ideal cascade refrigeration system with High P = 800 kPa, Intermediate P = 360 kPa, and Low P = 140 kPa.If the lower cycle transfers 69kW of energy to the upper cycle, What is the mass flow rate of R-134A (in kg/s) in the upper cycle? a.0.4014 b.0.3892 c.0.3554 d.0.4357
A vapor compression refrigeration cycle operates at steady state with Refrigerant 134a as the working fluid. Saturated vapor enters the compressor at 2 bar, and saturated liquid exist the condenser at 8 bar. The isentropic compresser efficiency is 80%. The mass flow rate of refrigerant is 7 kg/min. Sketch the process on a T-s diagram and determine; i. the compressor power, in kW ii. the refrigeration capacity, in tons iii. the coefficient of performance
A Carnot Refrigeration Cycle operates between temperature limit of – 5oC and 30oC. The power consumed is 4 kW and the heat absorbed is 30 kJ/kg. Determine the (a) COP, (b) refrigerant flow rate.
Refrigerant 22 is the working fluid in a Carnot vapor refrigeration cycle for which the evaporator temperature is -30°C. Saturated vapor enters the condenser at 36°C, and saturated liquid exits at the same temperature. The mass flow rate of refrigerant is 10 kg/min. Determine the quality of refrigerant at inlet of compressor, (A) 0.9430 B 0.6931 C 0.7931 D 0.8931