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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

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

Elements Of Electromagnetics
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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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

An ammonia compressor has a volumetric efficiency of 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 2 m/s, 5% clearance & bore to stroke ratio of 0.7. Determine the following 1. Draw the PH Diagram indicating the temperatures, enthalpies & initial specific volume 2. Refrigerating Effect in kJ/kg 3. Mass flow rate in kg/s 4. Work of compressor in kJ/kg 5. Power of the Compressor kW 6. Cooling Coefficient of Performance 7. Piston displacement in cu. meters/min 8. Bore in mm 9. Stroke in m 10. Motor rpm
Transcribed Image Text:An ammonia compressor has a volumetric efficiency of 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 2 m/s, 5% clearance & bore to stroke ratio of 0.7. Determine the following 1. Draw the PH Diagram indicating the temperatures, enthalpies & initial specific volume 2. Refrigerating Effect in kJ/kg 3. Mass flow rate in kg/s 4. Work of compressor in kJ/kg 5. Power of the Compressor kW 6. Cooling Coefficient of Performance 7. Piston displacement in cu. meters/min 8. Bore in mm 9. Stroke in m 10. Motor rpm
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