An ammonia refrigerator produces 30 tonnes of ice from ant at 0 °C in 24 hours. The temperature range of the compressor is 25 °C to -15 °C. The vapour is dry saturated at the end of compression. Assume a coefficient of performance to be 60% of the theoretical value. Calculate the power required to drive the compressor. Latent heat of ice = 135 kJ/kg. Properties of ammonia are as follows: Temperat ure Enthalpy (kJ/kg) Specific entropy (kJ/kg-K) (oC) Liquid Vapour (hf) (hg) Vapor (Sf) (Sg) Liquid 25 -15 298.90 1465.84 112.34 1426.54 1.1242 0.4572 5.0391 5.5490
An ammonia refrigerator produces 30 tonnes of ice from ant at 0 °C in 24 hours. The temperature range of the compressor is 25 °C to -15 °C. The vapour is dry saturated at the end of compression. Assume a coefficient of performance to be 60% of the theoretical value. Calculate the power required to drive the compressor. Latent heat of ice = 135 kJ/kg. Properties of ammonia are as follows: Temperat ure Enthalpy (kJ/kg) Specific entropy (kJ/kg-K) (oC) Liquid Vapour (hf) (hg) Vapor (Sf) (Sg) Liquid 25 -15 298.90 1465.84 112.34 1426.54 1.1242 0.4572 5.0391 5.5490
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
An ammonia refrigerator produces 30 tonnes of ice from ant at 0 °C in 24 hours. The temperature range of the compressor is 25 °C to -15 °C. The vapour is dry saturated at the end of compression. Assume a coefficient of performance to be 60% of the theoretical value. Calculate the power required to drive the compressor. Latent heat of ice = 135 kJ/kg. Properties of ammonia are as follows:
Temperat ure
Enthalpy (kJ/kg)
Specific entropy (kJ/kg-K)
(oC) Liquid Vapour (hf) (hg)
Vapor (Sf) (Sg)
Liquid
25 -15
298.90 1465.84 112.34 1426.54
1.1242 0.4572
5.0391 5.5490
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 6 steps with 8 images
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