Example 3.4 Checking if Dry or Wet Compression is Desirable in Ammonia Systems An ammonia refrigerating machine has working temperatures of 35°C in the condenser and -15°C in the evaporator. Assume two cases; (a) dry compression, and (b) wet compression Calculate for each, the following; (i) the theoretical piston displacement per ton refrigeration, (ii) the theoretical horsepower per ton refrigeration, and (iii) the coefficient of performance.

Example 3.4 Checking if Dry or Wet Compression is Desirable in Ammonia Systems An ammonia refrigerating machine has working temperatures of 35°C in the condenser and -15°C in the evaporator. Assume two cases; (a) dry compression, and (b) wet compression Calculate for each, the following; (i) the theoretical piston displacement per ton refrigeration, (ii) the theoretical horsepower per ton refrigeration, and (iii) the coefficient of performance.

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

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Question

Example 3.4 Checking if Dry or Wet Compression is Desirable in
Ammonia Systems
An ammonia refrigerating machine has working temperatures of 35°C in the
condenser and -15°C in the evaporator. Assume two cases;
(a) dry compression, and
(b) wet compression
Calculate for each, the following;
(i) the theoretical piston displacement per ton refrigeration,
(ii) the theoretical horsepower per ton refrigeration, and
(iii) the coefficient of performance.

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