Difference Between Air Conditioning And Refrigeration Pdf

difference between air conditioning and refrigeration pdf

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Naturally, thermal energy flows from a place with a higher temperature to a place with a lower temperature. Therefore, refrigeration runs against the natural heat flow and so it requires work to be done.

Air conditioner

Naturally, thermal energy flows from a place with a higher temperature to a place with a lower temperature. Therefore, refrigeration runs against the natural heat flow and so it requires work to be done. Air conditioning is a type of refrigeration where thermal energy is taken away from the air in a large space such as a room or a vehicle. Air conditioners also reduce humidity in rooms, because the water vapor in the room can condense around the colder parts of the air conditioner.

Air conditioners work in the same way as refrigerators. Air conditioners also consist of fans in order to circulate air, so that the hot air comes into contact with the evaporator at a faster rate.

The above list is the most prominent differences. I have excluded the finer working principles and the Psychrometry part. This raises the temperature of the refrigerant. Here, the temperature of the refrigerant is higher than the temperature of the surroundings.

So, the refrigerant gives off heat to the surroundings and gets condensed into a liquid. If you touch the tubes at the back of a refrigerator, it feels hot because you are feeling the heat given out by the condenser.

The refrigerant expands here, evaporating and cooling down. At this stage, the refrigerant is at a temperature lower than the temperature of the air inside the refrigerator. This is how heat is removed from inside a refrigerator. What is Air Conditioning? An air conditioning system requires that the air is filtered and purified continually to remove odours and dust particles, using enzyme, mechanical and bio-filters.

Refrigeration systems only require the same volume of air to be cooled and passed through the compartment in order to maintain the desired temperature. An air conditioning system demands the circulation of a certain volume of fresh air containing This makes it initially uncomfortable and then unsafe for human occupancy. The temperature in the refrigerator is very low to inhibit enzymatic action of the perishable items thus facilitating its storage whereas an air-conditioner provides temperature and humidity more favourable to human comfort.

The control volume of a refrigerator is very limited for a specific size of compressor. But for the same size of the compressor an air-conditioner offers a much larger control volume. Convective Heat Transfer: Air movement is required for air conditioning in a closed room, as to keep the occupants cool the air needs to be circulated continually.

In refrigerator, air movement is controlled by the temperature that is needed to be maintained ie the demand temperature or thermostat set-point.

Once the desired temperature is reached, the air movement simply stops. Share this: Tweet. Like this: Like Loading Subscribe and receive the following Blog and News updates Forum Discussions Tutorial alerts.

Air Conditioners

First and foremost, HVAC stands for heating, ventilation, and air conditioning. This system provides heating and cooling to residential and commercial buildings. You can find HVAC systems anywhere from single-family homes to submarines where they provide the means for environmental comfort. Becoming more and more popular in new construction, these systems use fresh air from outdoors to provide high indoor air quality. This provides a better quality of air indoors and involves the removal of moisture, smoke, odors, heat, dust, airborne bacteria, carbon dioxide, and other gases as well as temperature control and oxygen replenishment. The three main functions of an HVAC system are interrelated, especially when providing acceptable indoor air quality and thermal comfort. There are nine parts to your HVAC system that you should be familiar with the air return, filter, exhaust outlets, ducts, electrical elements, outdoor unit, compressor, coils and blower.

For more than a century, industrial air conditioning has been used for drying, humidity control, and dust and smoke abatement. Its most familiar function is to provide a comfortable working environment, to increase the comfort and productivity of personnel in offices, commercial buildings, and industrial plants. Air conditioning is the process of treating and distributing air to control temperature, humidity, and air quality in selected areas. Direct water sprays also remove dust and odors. Other air cleaning systems may include mechanical separation, adhesion, screening, filtration, or static attraction, depending on the type of air contaminants encountered and the required air quality Figure

Difference Between Refrigeration and Air Conditioning

Service Champions is committed to maintaining a safe and healthy environment for our clients and team members. It is important for you to feel confident when our technicians are arriving at your home. We have implemented increased hygiene routines, including hand washing and sanitizing before and after each client visit.

The work of energy transfer is traditionally driven by mechanical means, but can also be driven by heat, magnetism , electricity , laser , or other means. Refrigeration has many applications, including household refrigerators , industrial freezers , cryogenics , and air conditioning. Heat pumps may use the heat output of the refrigeration process, and also may be designed to be reversible, but are otherwise similar to air conditioning units.

But once upon a time, they were a luxury reserved for the rich. But, how exactly do air conditioners work? It operates on a closed loop and carries heat from the inside of your building to the outside. We use refrigerant because it changes states from liquid to vapor at convenient temperatures for the refrigeration cycle. It absorbs heat from your indoor air, changing states from gas to liquid.


5 Main Parts of an Air Conditioner and What They Do

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Air Conditioning and Refrigeration by Rex Miller.pdf


Roux S.


Questions and Answers about Refrigerants.

AndrГ© D.


What is the air-cooled system and water-cooled system? An air-cooled system is a refrigeration system that is used outdoors and is related to its surrounding.



The difference between an air conditioner and a refrigerator is that the AC or air conditioner are utilized for keeping up the temperature and dampness of the air;.