A Carnot heat pump with refrigerant-134a as the working fluid is used to keep a room at 78°F by absorbing heat from geothermal liquid water that enters the evaporator at 60°C at a rate of 3.78 kg/min and leaves (still as a liquid) at 40°C. The refrigerant, meanwhile, enters the evaporator at 12°C with a quality of 25% and leaves at the same pressure as saturated vapor. If the compressor consumes 1.8 kW of power, determine (a) the mass flow rate (in kg/s) of the refrigerant at the evaporator, (b) the rate of heat (in kW) supplied to maintain the room temperature, and (c) the COP. Also, what is (d) the ambient temperature at the outside, in °C, that necessitates the use of the heat pump? Assume steam properties to compute for the thermodynamic conditions of geothermal water. Outside Inside Expansion Valve Condens Evaporator Compressor
A Carnot heat pump with refrigerant-134a as the working fluid is used to keep a room at 78°F by absorbing heat from geothermal liquid water that enters the evaporator at 60°C at a rate of 3.78 kg/min and leaves (still as a liquid) at 40°C. The refrigerant, meanwhile, enters the evaporator at 12°C with a quality of 25% and leaves at the same pressure as saturated vapor. If the compressor consumes 1.8 kW of power, determine (a) the mass flow rate (in kg/s) of the refrigerant at the evaporator, (b) the rate of heat (in kW) supplied to maintain the room temperature, and (c) the COP. Also, what is (d) the ambient temperature at the outside, in °C, that necessitates the use of the heat pump? Assume steam properties to compute for the thermodynamic conditions of geothermal water. Outside Inside Expansion Valve Condens Evaporator Compressor
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
Related questions
Question
100%
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 3 steps
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Recommended textbooks for you
Elements Of Electromagnetics
Mechanical Engineering
ISBN:
9780190698614
Author:
Sadiku, Matthew N. O.
Publisher:
Oxford University Press
Mechanics of Materials (10th Edition)
Mechanical Engineering
ISBN:
9780134319650
Author:
Russell C. Hibbeler
Publisher:
PEARSON
Thermodynamics: An Engineering Approach
Mechanical Engineering
ISBN:
9781259822674
Author:
Yunus A. Cengel Dr., Michael A. Boles
Publisher:
McGraw-Hill Education
Elements Of Electromagnetics
Mechanical Engineering
ISBN:
9780190698614
Author:
Sadiku, Matthew N. O.
Publisher:
Oxford University Press
Mechanics of Materials (10th Edition)
Mechanical Engineering
ISBN:
9780134319650
Author:
Russell C. Hibbeler
Publisher:
PEARSON
Thermodynamics: An Engineering Approach
Mechanical Engineering
ISBN:
9781259822674
Author:
Yunus A. Cengel Dr., Michael A. Boles
Publisher:
McGraw-Hill Education
Control Systems Engineering
Mechanical Engineering
ISBN:
9781118170519
Author:
Norman S. Nise
Publisher:
WILEY
Mechanics of Materials (MindTap Course List)
Mechanical Engineering
ISBN:
9781337093347
Author:
Barry J. Goodno, James M. Gere
Publisher:
Cengage Learning
Engineering Mechanics: Statics
Mechanical Engineering
ISBN:
9781118807330
Author:
James L. Meriam, L. G. Kraige, J. N. Bolton
Publisher:
WILEY