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...
icon
Related questions
Question

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
Expert Solution
steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Refrigeration and Air Conditioning Technology (Mi…
Refrigeration and Air Conditioning Technology (Mi…
Mechanical Engineering
ISBN:
9781305578296
Author:
John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:
Cengage Learning
Principles of Heat Transfer (Activate Learning wi…
Principles of Heat Transfer (Activate Learning wi…
Mechanical Engineering
ISBN:
9781305387102
Author:
Kreith, Frank; Manglik, Raj M.
Publisher:
Cengage Learning