NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. Refrigerant-134a enters the condenser of a residential heat pump at 800 kPa and 35°C at a rate of 0.018 kg/s and leaves at 800 kPa as a saturated liquid. The compressor consumes 1.24 kW of power. Use data from the tables. 800 kPa x=0 Expansion valve Qu Condenser Evaporator Qu Compressor Determine the COP of the heat pump. The COP of the heat pump is 800 kPa 35°C

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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# Required Information

**NOTE**: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part.

Refrigerant-134a enters the condenser of a residential heat pump at 800 kPa and 35°C at a rate of 0.018 kg/s and leaves at 800 kPa as a saturated liquid. The compressor consumes 1.24 kW of power. Use data from the tables.

## Diagram Description

The diagram represents a residential heat pump system consisting of the following components:

1. **Condenser**: Refrigerant-134a enters the condenser at 800 kPa and 35°C. Heat rejection is indicated by an arrow labeled \( \dot{Q}_H \) pointing outwards.
   
2. **Compressor**: The system compresses the refrigerant with an input power supply (\( \dot{W}_{in} \)).
  
3. **Expansion Valve**: The refrigerant expands after moving through the condenser.
  
4. **Evaporator**: The diagram shows heat absorption by the refrigerant, indicated by an arrow labeled \( \dot{Q}_L \).

The refrigerant cycle is depicted with arrows showing the direction of flow, cycling through the components mentioned above.

## Question

Determine the COP (Coefficient of Performance) of the heat pump.

**The COP of the heat pump is: [Fill in the blank].**
Transcribed Image Text:# Required Information **NOTE**: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. Refrigerant-134a enters the condenser of a residential heat pump at 800 kPa and 35°C at a rate of 0.018 kg/s and leaves at 800 kPa as a saturated liquid. The compressor consumes 1.24 kW of power. Use data from the tables. ## Diagram Description The diagram represents a residential heat pump system consisting of the following components: 1. **Condenser**: Refrigerant-134a enters the condenser at 800 kPa and 35°C. Heat rejection is indicated by an arrow labeled \( \dot{Q}_H \) pointing outwards. 2. **Compressor**: The system compresses the refrigerant with an input power supply (\( \dot{W}_{in} \)). 3. **Expansion Valve**: The refrigerant expands after moving through the condenser. 4. **Evaporator**: The diagram shows heat absorption by the refrigerant, indicated by an arrow labeled \( \dot{Q}_L \). The refrigerant cycle is depicted with arrows showing the direction of flow, cycling through the components mentioned above. ## Question Determine the COP (Coefficient of Performance) of the heat pump. **The COP of the heat pump is: [Fill in the blank].**
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