An ammonia compressor has a volumetric effienciy og 85%, operating condensing & evaporating temperatures of 40 C & 10 C respectively for a cooling capacity of 10 tons with compression index of 1.2, mean piston speed of 2m/s, 5% clearance & bore to stroke ratio of 0.7. Determine the ff: 1.Draw the PH diagram indicating the temperatures, enthalpies, and initial specific volume 2. Refrigerating effect in kj/kg 3. mass flow rate in kg/s
An ammonia compressor has a volumetric effienciy og 85%, operating condensing & evaporating temperatures of 40 C & 10 C respectively for a cooling capacity of 10 tons with compression index of 1.2, mean piston speed of 2m/s, 5% clearance & bore to stroke ratio of 0.7. Determine the ff: 1.Draw the PH diagram indicating the temperatures, enthalpies, and initial specific volume 2. Refrigerating effect in kj/kg 3. mass flow rate in kg/s
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
Chapter2: Matter And Energy
Section: Chapter Questions
Problem 15RQ: Why is information regarding the specific volume of gases important to the designer of...
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An ammonia compressor has a volumetric effienciy og 85%, operating condensing & evaporating temperatures of 40 C & 10 C respectively for a cooling capacity of 10 tons with compression index of 1.2, mean piston speed of 2m/s, 5% clearance & bore to stroke ratio of 0.7. Determine the ff:
1.Draw the PH diagram indicating the temperatures, enthalpies, and initial specific volume
2. Refrigerating effect in kj/kg
3. mass flow rate in kg/s
4. work of compressor in kj/kg
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