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The effects of superheating of vapour in the evaporator and sub-cooling of condensate in the condenser:
- a)Decrease the COP
- b)Superheating increases COP, but sub-cooling decrease COP
- c)Superheating decrease COP, but sub-cooling decreases COP
- d)Increase the COP
Correct answer is option 'D'. Can you explain this answer?
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The effects of superheating of vapour in the evaporator and sub-coolin...
Effects of Superheating of Vapour in the Evaporator and Sub-cooling of Condensate in the Condenser:
Effect on COP:
- The superheating of vapor in the evaporator and sub-cooling of condensate in the condenser both contribute to increasing the COP (Coefficient of Performance) of a refrigeration system.
- Superheating of vapor in the evaporator increases the efficiency of heat transfer, leading to a higher COP.
- Sub-cooling of condensate in the condenser helps in removing additional heat from the refrigerant, further improving the efficiency of the system and increasing the COP.
Explanation:
- Superheating of vapor in the evaporator allows the refrigerant to absorb more heat from the surroundings before reaching the saturation point. This results in better refrigerant utilization and improved system efficiency.
- Sub-cooling of condensate in the condenser ensures that the refrigerant leaves the condenser in a liquid state at a lower temperature than the saturation temperature. This additional cooling helps in reducing the energy required for the refrigerant to reach the desired state, leading to an increase in COP.
Overall Impact:
- The combination of superheating in the evaporator and sub-cooling in the condenser results in an improved COP for the refrigeration system. This enhanced efficiency not only leads to energy savings but also ensures better performance of the system.
Effect on COP:
- The superheating of vapor in the evaporator and sub-cooling of condensate in the condenser both contribute to increasing the COP (Coefficient of Performance) of a refrigeration system.
- Superheating of vapor in the evaporator increases the efficiency of heat transfer, leading to a higher COP.
- Sub-cooling of condensate in the condenser helps in removing additional heat from the refrigerant, further improving the efficiency of the system and increasing the COP.
Explanation:
- Superheating of vapor in the evaporator allows the refrigerant to absorb more heat from the surroundings before reaching the saturation point. This results in better refrigerant utilization and improved system efficiency.
- Sub-cooling of condensate in the condenser ensures that the refrigerant leaves the condenser in a liquid state at a lower temperature than the saturation temperature. This additional cooling helps in reducing the energy required for the refrigerant to reach the desired state, leading to an increase in COP.
Overall Impact:
- The combination of superheating in the evaporator and sub-cooling in the condenser results in an improved COP for the refrigeration system. This enhanced efficiency not only leads to energy savings but also ensures better performance of the system.
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The effects of superheating of vapour in the evaporator and sub-coolin...
Refrigeration:
The purpose of refrigeration is to cool spaces, objects, or materials and to maintain them at temperatures below the temperature of the surrounding atmosphere.
Refrigeration cycle:
In a refrigeration cycle, the refrigerant must alternate between low temperatures and high temperatures. When the refrigerant is at low-temperature, heat flows from the space or object to be cooled to the refrigerant. When the refrigerant is at a higher temperature, heat flows from the refrigerant to a condenser. The energy supplied as work is used to raise the temperature of the refrigerant to a high enough value so that the refrigerant will be able to reject heat to the condenser.
Vapour compression cycle:
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The effects of superheating of vapour in the evaporator and sub-cooling of condensate in the condenser:a)Decrease the COPb)Superheating increases COP, but sub-cooling decrease COPc)Superheating decrease COP, but sub-cooling decreases COPd)Increase the COPCorrect answer is option 'D'. Can you explain this answer?
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The effects of superheating of vapour in the evaporator and sub-cooling of condensate in the condenser:a)Decrease the COPb)Superheating increases COP, but sub-cooling decrease COPc)Superheating decrease COP, but sub-cooling decreases COPd)Increase the COPCorrect answer is option 'D'. Can you explain this answer? for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about The effects of superheating of vapour in the evaporator and sub-cooling of condensate in the condenser:a)Decrease the COPb)Superheating increases COP, but sub-cooling decrease COPc)Superheating decrease COP, but sub-cooling decreases COPd)Increase the COPCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The effects of superheating of vapour in the evaporator and sub-cooling of condensate in the condenser:a)Decrease the COPb)Superheating increases COP, but sub-cooling decrease COPc)Superheating decrease COP, but sub-cooling decreases COPd)Increase the COPCorrect answer is option 'D'. Can you explain this answer?.
The effects of superheating of vapour in the evaporator and sub-cooling of condensate in the condenser:a)Decrease the COPb)Superheating increases COP, but sub-cooling decrease COPc)Superheating decrease COP, but sub-cooling decreases COPd)Increase the COPCorrect answer is option 'D'. Can you explain this answer? for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about The effects of superheating of vapour in the evaporator and sub-cooling of condensate in the condenser:a)Decrease the COPb)Superheating increases COP, but sub-cooling decrease COPc)Superheating decrease COP, but sub-cooling decreases COPd)Increase the COPCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The effects of superheating of vapour in the evaporator and sub-cooling of condensate in the condenser:a)Decrease the COPb)Superheating increases COP, but sub-cooling decrease COPc)Superheating decrease COP, but sub-cooling decreases COPd)Increase the COPCorrect answer is option 'D'. Can you explain this answer?.
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