ASSIGNMENT 3 A Standard Refrigeration system using R22 has condensing pressure of 1812.1 kPa and vaporizing pressure of 421.35 kPa. The refrigeration capacity is 28 tons. A four-cylinder, double acting compressor has the following data: shaft speed,1800 rpm; piston speed, 342 cm/s; bore-to-stroke ratio, 1.2; 5% clearance volume Determine (a) t h, Vy Sy (b) t, h, V2, S, . show double interpolation (c) P, t,, h, (d) Phe X. (e) Draw the ph Diagram and system diagram (f) mass flow rate of refrigerant (g) isentropic work of compressor (h) ideal coefficient of performance (i) power per ton of refrigeration G) volume flow capacity of compressor (k) Stroke in cm of compressor (1) Bore in cm of compressor (m) Volume displacement of compressor (n) actual volumetric efficiency (0) compression ratio (p) clearance volumetric efficiency (q) mechanical efficiency of compressor if motor is 46 kW

ASSIGNMENT 3 A Standard Refrigeration system using R22 has condensing pressure of 1812.1 kPa and vaporizing pressure of 421.35 kPa. The refrigeration capacity is 28 tons. A four-cylinder, double acting compressor has the following data: shaft speed,1800 rpm; piston speed, 342 cm/s; bore-to-stroke ratio, 1.2; 5% clearance volume Determine (a) t h, Vy Sy (b) t, h, V2, S, . show double interpolation (c) P, t,, h, (d) Phe X. (e) Draw the ph Diagram and system diagram (f) mass flow rate of refrigerant (g) isentropic work of compressor (h) ideal coefficient of performance (i) power per ton of refrigeration G) volume flow capacity of compressor (k) Stroke in cm of compressor (1) Bore in cm of compressor (m) Volume displacement of compressor (n) actual volumetric efficiency (0) compression ratio (p) clearance volumetric efficiency (q) mechanical efficiency of compressor if motor is 46 kW

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

ASSIGNMENT 3
A Standard Refrigeration system using R22 has condensing pressure of 1812.1 kPa and vaporizing pressure of 421.35
kPa. The refrigeration capacity is 28 tons. A four-cylinder, double acting compressor has the following data: shaft
speed, 1800 rpm; piston speed, 342 cm/s; bore-to-stroke ratio, 1.2; 5% clearance volume
Determine
(a) t, h, V, S,
(b) t, ha, Va, S2 .. show double interpolation
(c) P,, t, h,
(d) Pa ha, X.
(e) Draw the ph Diagram and system diagram
(f) mass flow rate of refrigerant
(g) isentropic work of compressor
(h) ideal coefficient of performance
(i) power per ton of refrigeration
(i) volume flow capacity of compressor
(k) Stroke in cm of compressor
(I) Bore in cm of compressor
(m) Volume displacement of compressor
(n) actual volumetric efficiency
(0) compression ratio
(p) clearance volumetric efficiency
(q) mechanical efficiency of compressor if motor is 46 kw

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