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The schematic below shows a heat pump that operates using R-134a as the working fluid, which flows through the system at 450 kg per hour. As shown, the heat pump operates at 27% of the maximum efficiency for a heat pump operating between the thermal reservoir temperatures in the schematic. The heat pump runs for a total of 2000 hours annually, and the price of electricity is $0.14 per kWh. Determine the power input to the compressor, in kW.

The schematic below shows a heat pump that operates using R-134a as the working fluid, which flows through the system at 450 kg per hour. As shown, the heat pump operates at 27% of the maximum efficiency for a heat pump operating between the thermal reservoir temperatures in the schematic. The heat pump runs for a total of 2000 hours annually, and the price of electricity is $0.14 per kWh. Determine the power input to the compressor, in kW.

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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The schematic below shows a heat pump that operates using R-134a as the working fluid, which flows through the system at 450 kg per hour. As shown, the heat pump operates at 27% of the maximum efficiency for a heat pump operating between the thermal reservoir temperatures in the schematic. The heat pump runs for a total of 2000 hours annually, and the price of electricity is $0.14 per kWh. Determine the power input to the compressor, in kW. Saturated Liquid Expansion Valve 4 TH = 26°C Он www Condenser Compressor Evaporator លលលលល Q₁. TL = 0°C 2 P₂ = P3 = 60°C T₂ = 800 kPa Wcomp 1 P₁ = P₁= 240 kPa
Transcribed Image Text:The schematic below shows a heat pump that operates using R-134a as the working fluid, which flows through the system at 450 kg per hour. As shown, the heat pump operates at 27% of the maximum efficiency for a heat pump operating between the thermal reservoir temperatures in the schematic. The heat pump runs for a total of 2000 hours annually, and the price of electricity is $0.14 per kWh. Determine the power input to the compressor, in kW. Saturated Liquid Expansion Valve 4 TH = 26°C Он www Condenser Compressor Evaporator លលលលល Q₁. TL = 0°C 2 P₂ = P3 = 60°C T₂ = 800 kPa Wcomp 1 P₁ = P₁= 240 kPa
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