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1. An ice-making machine is required to remove 0.7 Btu/s of heat from water to produce ice (Qin). This ice machine is a refrigerator that operates steadily using R134a as the working fluid. The refrigerant enters the compressor as saturated vapor at 20 psia and leaves the condenser as saturated liquid at 80 psia. Draw a diagram showing the components of the refrigeration system inside the machine b. Show the cycle on a T-s diagram Calculate the work input required by the machine [0.176 hp or 0.124 Btu/s] C. d. What is the COP of this device? What does this represent? [5.6]

1. An ice-making machine is required to remove 0.7 Btu/s of heat from water to produce ice (Qin). This ice machine is a refrigerator that operates steadily using R134a as the working fluid. The refrigerant enters the compressor as saturated vapor at 20 psia and leaves the condenser as saturated liquid at 80 psia. Draw a diagram showing the components of the refrigeration system inside the machine b. Show the cycle on a T-s diagram Calculate the work input required by the machine [0.176 hp or 0.124 Btu/s] C. d. What is the COP of this device? What does this represent? [5.6]

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
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ycles.docx Cycles.docx Help Мode Delay 1. An ice-making machine is required to remove 0.7 Btu/s of heat from water to produce ice (Qin). This ice machine is a refrigerator that operates steadily using R134a as the working fluid. The refrigerant enters the compressor as saturated vapor at 20 psia and leaves the condenser as saturated liquid at 80 psia. Draw a diagram showing the components of the refrigeration system inside the machine b. Show the cycle on a T-s diagram Calculate the work input required by the machine [0.176 hp or 0.124 Btu/s] What is the COP of this device? What does this represent? [5.6] a. С. d. -10 74 Rlh 46°F Partly sunny
Transcribed Image Text:ycles.docx Cycles.docx Help Мode Delay 1. An ice-making machine is required to remove 0.7 Btu/s of heat from water to produce ice (Qin). This ice machine is a refrigerator that operates steadily using R134a as the working fluid. The refrigerant enters the compressor as saturated vapor at 20 psia and leaves the condenser as saturated liquid at 80 psia. Draw a diagram showing the components of the refrigeration system inside the machine b. Show the cycle on a T-s diagram Calculate the work input required by the machine [0.176 hp or 0.124 Btu/s] What is the COP of this device? What does this represent? [5.6] a. С. d. -10 74 Rlh 46°F Partly sunny
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