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Difference between freezing and refrigeration?
lund chut doodh
Principles of operation of vapour compression refrigeration system?
The principle of refrigeration is to remove heat from one area (i.e inside your fridge) and locate it to another area (i.e outside of your fridge). Air is not brought in from the outside of the fridge the heat is absorbed by the evaporator inside the fridge which has refrigerant inside it, this refrigerant at low pressure is at low temperature inside the evaporator so the heat from the product inside the fridge is absorbed by the evaporator (as heat always transfers from the hotter object to the colder object) which has a fan to circulate the air around the fridge. Then the refrigerant is pushed around the pipework by the compressor to the condenser where the refrigerant is hot from the heat out of the fridge, because the outside air will be lower than that of the pressurized refrigerant the heat is absorbed by the ambient air which leaves the refrigerant cooler and lower pressure so when its back into the evaporator it can absorb more heat and expel it into the ambient air. There are 5 main components in a normal refrigeration system like on your fridge:- Compressor Condenser Expansion Device or Capillary tube Evaporator Thermostat The compressor compresses the refrigerant gas. This raises the refrigerant's pressure and temperature, so the heat-exchanging coils outside the refrigerator allow the refrigerant to dissipate the heat of pressurization. As it cools, the refrigerant condenses into liquid form and flows through the expansion valve. When it flows through the expansion valve, the liquid refrigerant is allowed to move from a high-pressure zone to a low-pressure zone, so it expands and evaporates. In evaporating, it absorbs heat, making it cold. The coils inside the refrigerator allow the refrigerant to absorb heat, making the inside of the refrigerator cold. The cycle then repeats.
What are the six states of a refrigerant in a refrigeration cycle?
what are the six states of a refrigerant in a refrigeration cycle
Temperature below freezing means snow?
Snow does occur when temperature is below freezing because snow is just frozen rain . Lets say it rains , and the temperature is below freezing , that rain would become snow . So temperature below freezing means having snow is true .
What is suction and discharge head?
These are terms used by refrigeration and air conditioning techs. The suction is refrigerant returning to the compressor from the evaporator, or the low side. The high side is the discharge or head pressure, where high temperature high pressure gas leaves the compressor to flow into the condenser. These systems should only be worked on by licensed and experienced techs.
What will you di if the evaporator of refrigeration is not freezin?
What will you do if the evaporator of refrigeration is not freezin
What does the evaporator do in the refrigeration system?
An evaporator in a refrigeration system works by passing warm air over it's coils.
Where the refrigeration changes in a refrigeration system?
at the metering device before the evaporator
Evaporator in a refrigeration sistem?
The evaporator in a refrigeration system is where the refrigerant absorbs heat from the surrounding air or space being cooled. As the low-pressure liquid refrigerant passes through the evaporator coils, it evaporates into a gas, cooling the surrounding area in the process. This helps to lower the temperature and maintain the desired cooling effect in the refrigeration system.
Which is not a basic component of the compression refrigeration cycle?
Evaporator is not a basic component of the compression refrigeration cycle. The basic components are compressor, condenser, expansion valve, and evaporator.
What does the refrigerant do in the evaporator?
An evaporator in a refrigeration system works by passing warm air over it's coils.
Why ia used a multicircuit evaporator in refrigeration system?
is use when the coil would be come to long for a single circuit
How are Pancake Coils used in refrigeration?
Pancake Coils are often used as evaporator and condenser coils in refrigeration systems.
What is the primary function of the evaporator in a refrigeration system?
The primary function of the evaporator in a refrigeration system is to absorb heat from the surroundings, causing the refrigerant to evaporate and cool down the space or substance being refrigerated.
Where does the pressure in a refrigeration system change?
The pressure in a refrigeration system changes in the compressor, condenser, expansion valve, and evaporator. In the compressor, the pressure increases, while in the condenser, it remains high before decreasing in the expansion valve and evaporator.
What are the major parts of refrigeration?
Compressor, condensor, metering device, evaporator.
What does a condeser to in refrigeration?
Rejects the heat from the compressor and cold coil (evaporator).
