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What is the refrigeration cycle?
First step in refrigeration is evaporation. The next step is compression, which raises the pressure of the refrigerant vapor. Condensing is the third step and is where the heat transfer takes place. Expansion is the fourth step and is where the condenser cools the refrigerant even more, to a level below the condensing temperature.
What is the basic refrigeration cycle?
First step in refrigeration is evaporation. The next step is compression, which raises the pressure of the refrigerant vapor. Condensing is the third step and is where the heat transfer takes place. Expansion is the fourth step and is where the condenser cools the refrigerant even more, to a level below the condensing temperature.
What is the condensing pressure?
According to state of the outlet refrigerant from compressor, it's better we use refrigerant temperature.
When is the most heat removed from refrigerant in the condensing process?
When the temperature of the air passing over the condenser is very low. Ex: Home A/c with out condenser, More heat can be removed if the out door ambient is 60f compared to 90f. Efficiency also increases with this.
What role does a compessor play in a refrigeration system?
In vapour compressor refrigeration system the low pressure and temperature vapour refrigerant from evaporator is compressed. where it is compressed to a high pressure and temperature. From compressor refrigerant goes to condenser where where it changes the phase. from condenser refrigerant goes to evaporator through expansion device.
Refrigerant condensing temp. should be higher than the exiting water temperature?
As rule of the thumb, refrigerant condensing temperature should between 1-2 degreeC higher than the exiting water temperature, this temperature difference is technically called condensing temperature approach. I f the approach is below or above means, system is flooded with refrigerant or system got starve. Above method is also effective in determining if the condenser shell needs maintenance for sclale, sludge build up removal. I am refrigeration mechanic.
Why is the discharge line hotter than the condensing refrigerant?
The discharge line is hotter than the condensing refrigerant because it is where the high-pressure, high-temperature refrigerant vapor exits the compressor after being compressed. The condensing refrigerant, on the other hand, is in the process of releasing heat to the surrounding environment in the condenser, leading to a lower temperature.
What TD is used to determine the condenser performance of a water cooled condenser?
The approach temperature difference (ATD) is used to determine the condenser performance of a water-cooled condenser. It is the temperature difference between the refrigerant condensing temperature and the cooling water inlet temperature. A lower ATD indicates better performance and efficiency of the condenser.
When is the most heat removed from the refrigerant in the condensing progress?
The most heat is removed from the refrigerant during the condensing process when it changes from a gas to a liquid state. This typically occurs in the condenser where the high-pressure, high-temperature refrigerant releases heat to the surroundings, causing it to condense.
What is the function of the condenser fan motor in a refrigeration system?
The condenser fan motor in a refrigeration system helps to remove heat from the refrigerant gas, allowing it to condense into a liquid form. This process is essential for the refrigeration system to effectively cool and maintain the desired temperature.
What is the state of the refrigerant entering the condenser?
The state of the refrigerant entering the condenser is a high-pressure, high-temperature, superheated vapor. It has absorbed heat from the evaporator coils and is now ready to release that heat to the surrounding environment as it goes through the condensing process.
Does the condenser absorb thermal energy from refrigerated space and rejects it into the condensing medium?
Yes, the condenser absorbs thermal energy from the refrigerated space and then rejects it into the condensing medium, typically either air or water. This process helps release the heat that was removed from the refrigerated space when the refrigerant evaporated, allowing the refrigeration cycle to continue effectively.
