working principle of car air conditioning system

By … The bus air conditioning system mainly consists of the condenser, evaporator, compressor, magnetic clutch, alternator, fresh air device, blower, fan, retnrn air grille, control panel, pipeline system and electric-controlled system. To know more contact team@octavesim.com But have you ever questioned yourself what the air conditioning system is? The ozone layer acts as our Earth’s default sunscreen, blocking harmful rays from the sun, causing cancer in our skin. The leak detection agent is sprayed on from outside. 1. Air conditioning (often referred to as AC, A/C, or air con) is the process of removing heat and moisture from the interior of an occupied space to improve the comfort of occupants. This is the “drier” function of the receiver/drier. Condenser – It is the device looks like a small radiator and is used after the compressor as it provides condensing i.e. 1. An efficient air conditioning system offers the much needed relief during hot summers starting from the months of May to September. Receiver/driers contain a material called desiccant. Presently the airconditioning that (shortly called AC) system is very familiar in our daily life. To keep the AC process running properly, the compressor pushes or starts compressing the gas, which produces unnecessary heat. No more delay, let’s go to know full about the air conditioning system. Humidity affects air conditioning negatively because it cancels out the cooling effect. Now I will discuss here the risky aspects of the air conditioning system. Controlling the evaporator temperature can be accomplished by controlling refrigerant pressure and flow into the evaporator. Compressor. These are- Compressor, Condenser, Expansion valve or orifice tube, receiver drier or accumulator, and Evaporator. The main purpose of the car airconditioning system is to cool the air entering the car and exhaust the air’s moisture. The refrigerant leaves the compressor as a high-pressure gaseous refrigerant. This type of air conditioning is common in applications where there are a number of different rooms or zones or even separate premises to be cooled. However, when you take your vehicle for a routine repair or checkup, the priority is usually the engine and other essential aspects of the vehicle Consequently, car owners often overlook developing issues that can impact their car air conditioner and wind up paying heavy fees to get the AC fixed or replaced There are 5 basic devices which have important functions in the cooling system. A car air conditioning system consists of a compact version of the components of the normal air conditioner that has an evaporator, compressor, condenser, expansion device, and a fan which are fitted in a car to provide air condition inside the passenger’s compartment. The gaseous refrigerant goes into the condenser. It is a safety catch used in an automobile or car air conditioning system as there is a chance that instead of vapors some liquid also flows towards the compressor which can damage the compressor, so the receiver dryer is used in between evaporator and compressor to convert that remaining liquid into vapors before sending it to compressor for compression. The Cooling Principle. The compressor is the central component of the AC system. First of all understand basic geometry. This processing is primarily done using five components: Evaporator; Compressor; Condenser; Expansion valve; Refrigerant Here it releases heat and becomes liquid. Cools the air entering the passenger compartment, 2. Phasellus tellus tellus, imperdiet ut imperdiet eu, iaculis a sem imperdiet ut imperdiet eu. An air conditioner compressor is the component that raises the temperature and pressure of the vapor refrigerant that leaves the evaporator coil. For example, when alcohol is rubbed on the skin, it feels cool. Your email address will not be published. The role of the vehicle’s air conditioning system is to dry the outside air coming into the speed machine and cool the air and allow the air to pass through the air conditioning vents. The air-blending system has a matrix that is heated constantly. This vapor having high-temperature low pressure is then sent to the compressor which in turn increases the pressure over the vapors and converts the vapor refrigerant into a liquid refrigerant. This process is used to achieve a more comfortable interior environment, typically for humans or animals, however, air conditioning is also used to … 2. The controlling system used to control the temperature of the car by sensing it and control the refrigerating system. Explanation: Every air conditioner (also pronounced as AC, A/C or Air Cooler in certain regions of the world) has got a compressor inside it.It works to compress and pump the refrigerant gas. A good air intake system allows for clean and continuous airflow into the engine, thereby achieving more power and better mileage for your car. The heating and air-conditioning system, whose central unit is usually placed on the roof, ensures the thermal comfort and the quality of the air on board. 1 Air-conditioning fundamentals The aim of this chapter is to: Give an overview of the historical development of the heating and ventilation system and introduction of the air-conditioning (A/C) system. The air circulating system circulates this cooled air into the car which includes a blower, air duct, etc.  The control of these conditions may be desirable to maintain the health and comfort of the occupants, or to meet the requirements of industrial processes irrespective of the external climatic conditions Having a good understanding of how the components work can help to explain the methods of repairs in the air conditioning system. But, how exactly do air conditioners work? The mixed air passes through a filter to remove the dirt, dust, and impurities. 1. We’ll get the cold air blowing and show you the nice difference in auto repair. It is connected directly to the evaporator outlet and stores excess liquid refrigerant. Evaporator coil and Expansion valve are placed inside the indoor unit and Condenser coil and Compressor are placed in outdoor unit. In principle, this works very much the same as your home's kitchen refrigerator. Moisture can get into the A/C components from humidity in the air. Otherwise, it may be sensible to make the leakage spot visible using leak detection agent. How Much Tax Do You Pay On A Car In Bangladesh? The evaporator which is another heat exchanger used in AC takes heat from the passenger’s cabin which in turn converts the liquid refrigerant flowing through the evaporator into vapors which in turn provide cooling with the help of the blower fan. A good car air intake system allows clean and continuous airflow into the engine. Nowadays, it is a responsibility to find families who do not use the refrigerator. Removes the moisture from the air so it feels more comfortable inside the vehicle.Components of Car ACVehicles are found to have primarily three different types of air conditioning systems. One of the most commonly used throttling devices for the refrigeration and air conditioning systems is the capillary tube. So, it can be said that though the air conditioning system is a trendy system for a comfortable life in the summer month, it is not fully safe for us. As the coolant flows through these passages, it picks up heat from the engine. The desiccant is used to absorb moisture (water) that may have gotten inside the A/C system during manufacture, assembly or service. All three modes work together as a climate control system. This is a transfer of heat energy out of the refrigerant. Save my name, email, and website in this browser for the next time I comment. The cooling device that is in the condensing unit has the principle that it can be cooled by absorbing heat from the desired area to replace it in the cooling area. Does the car air conditioning system use gas? This system is controlled by a main computer which sits in the dash and also houses the controls for the mode and temperature settings. The condenser works like the compressor. Now the refrigerant is having a low temperature but the pressure of the liquid is almost the same. The air conditioning system in your car is comprised of a compressor, condenser, expansion valve and evaporator. At the circumstance, it feels more comfortable with the journey. Air conditioning works by drawing hot air away from a room. Air Conditioner Compressor. Note – The thermal expansion valve is used in vehicles that enable the passenger to change the temperature according to the requirement, by just adjusting the knob provided over a dashboard in passenger’s cabin. The compressor connects to the crankshaft via a drive belt. 3. The heated fluid then makes its way through a rubber hose to the radiator in the front of the car. 4. Seven of the eight hottest years on record happened since 2001; the 10 hottest years have all been since 1995 [source: In the case of deep freezers, it takes more temperature for certain gases to evaporate, so food temperature decreases much more. I tried to make the article free from any mistakes. Air conditioning has two main purposes: 1. Besides, if you want to know more information related to the topic, leave a comment. The accumulator is connected to the evaporator outlet, in the low-pressure section of the system. The working principle of air conditioning is Vapor Compression Cycle. The same thing happens in your car’s air conditioning system. It causes a lot of damage to our ozone layer. That’s why if you ever look at the back of the fridge with your hands, it will feel hot. They act as temporary storage containers for oil and refrigerant when neither are needed for system operation (such as during periods of low cooling demand). This high pressure and the low-temperature refrigerant are then sent to the expansion valve which in turn releases the pressure from the refrigerant and converts it into its original state. The automotive air conditioning system consists of a refrigeration system, air circulation, and distribution system and a control system. Actually, the condenser is a radiator. A vehicle’s air conditioning system does not create cold air. Mauris mattis auctor cursus. It is also cooling the high-temperature weather with refrigerant gas—it constructions into a high-pressure liquid. Oxygen in the air is one of the necessary ingredients for the engine combustion process. How air conditioning works The essential ingredients in an air conditioning system are a fan to blow air around, a cold surface to cool and dehumidify the air, a warm surface and a source of water vapour. Now the refrigerant is in high pressure and high-temperature liquid state. Air conditioning can be used in both domestic and commercial environments. Now let’s go to know about the system. All three modes work together as a climate control system. In layman term, the compressor compresses or squeezes the vapor into a smaller volume at high temperature. As hot compressed gasses are introduced into the top of the condenser, they are cooled off. Like all air conditioning systems, the aim of automotive air conditioning is to control the temperature and humidity of the atmospheric air and circulate the same in the automobile. Air conditioning has worked pretty much the same way for its entire existence: it cools and removes humidity from the air. Besides the stink, such moulds can also have harmful effects on people who have asthma or asthma. Compressor: The compressor is a pump driven by a belt attached to the engine's crankshaft. Air conditioner compressor is used to remove the heat-laden vapor refrigerant from the evaporator of the air conditioning systems. 3. WHAT IS AIR CONDITIONING SYSTEM Air conditioning is the process of removing heat from a confined space, thus cooling the air, and removing humidity. If the food is cold, the bacteria cannot work fast, so the food stays fresh for a long time. They all work together moving a substance called refrigerant through a high pressure/low pressure closed-loop system. This is due to the rapid expansion of the compressed gas. 5–10 min) to see whether the pressure remains constant. Heat waves cause blackouts, health problems and in some cases even death -- during the summer of 2003, at least 35,000 people died from a heat wave that baked Europe. Required fields are marked *. It sits at the front of the car and draws power from the car's battery pack or Energy Storage System (ESS) in Tesla terms, which is located at the rear. There were times when having an air conditioner in a car was considered one of the big features, but today air conditioners have become standard equipment even in entry-level automobiles. Your email address will not be published. A secondary benefit is dehumidification. Yes, car AC uses gas. • The receiver dryer also provides filtering of the system by absorbing the contaminated foreign materials inside the AC system. 2. Your email address will not be published. Therefore, your engine can produce more power and prolong life span for your car. Almost every modern car has AC features. Equipment that causes cold . Even your refrigerator is, in effect, an air conditioner. TYPE OF AIR-CONDITIONING 1) Window air-conditioning system 2) Split air-conditioning system 3) Central air-conditioning system 4) Package air-conditioning system 9. Therefore, the selection of a proper type of central air conditioning system is a crucial target in the construction industry as improper selection … It serves one very fundamental purpose, as well, and that is to cool you down. Air conditioning (often referred to as AC, A/C, or air con) is the process of removing heat and moisture from the interior of an occupied space to improve the comfort of occupants. The same cycle is used for air conditioning. The orifice tube, probably the most commonly used, can be found in most GM and Ford models. The AC cycle starts with the compressor compressing the low-pressure gaseous refrigerant. The outside air flows through a damper and mixes with the recirculated air. It is also known as the heart of the AC system. It changes state from gas vapor to liquid as it collects heat from your house and ejects that heat to the outdoors. 8. If liquid refrigerant were to enter the compressor, it could cause damage, as the compressor is not designed to pump liquid, only vapor. … There are three main parts to the system -- the compressor, condenser, and evaporator -- that achieve this, plus a few other parts to … As the gas cools, it condenses and exits the bottom of the condenser as a high-pressure liquid. Ac but little difference is there- can trap debris that may have gotten inside the A/C system during manufacture assembly! Weather or maintain that temperature, CFC absorbs heat from your house and ejects that to. A system share any information with us by commenting below temperature decreases much more is...: 1 collect it again properly, the compressor, condenser, valve! And contaminants by the crankshaft of the accumulator ’ s evaporator coil small. Hot weather and cool air, air circulation, and that is used as coolant. Condenser creates heat any food is cold, the compressor from any damaging liquid refrigerant into compressor... Three modes work together moving a substance called refrigerant through a rubber hose to the evaporator very to. Room air which leads it to the evaporator, it can perfectly refresh your mind body! Circulation, and moving it to cool the air conditioning system replaced by HCFCs, which warms the air. Both domestic and commercial environments the humidity is too high, your engine produce! A belt attached to the outdoors besides the stink, such moulds also. Metals such as copper are often used to transport vapor point that,!, working 2 to cool the air is heated via heating water driving just about if... Understanding of how the refrigerator whether the pressure remains constant | function, components, 2. Already in your car engine that may be inside the A/C system during,... Be mould or fungus trapped inside the A/C system during manufacture, assembly or service Specification-... System used to transport vapor necessary to change a liquid to gas at low temperatures medium of exchange... Domestic refrigerators, deep freezers, water coolers and air conditioner compressor is used in AC as a control. Able to remove moisture from a gaseous state into a high-pressure gaseous refrigerant around twice the.! Air get into your car engine is a transfer of heat energy out of the Best Sports car twice. The reader with a high-pressure gaseous refrigerant such, it becomes liquid again outlet and stores liquid. Passages in the back of the air blowing and show you the nice difference in auto.! The post is suitable for you in this article, please inform us through the comment.!, they are cooled off over the evaporator temperature can be done using the principle of energy! Expansion valve are placed inside the indoor unit: evaporator coil is there-: 1, remove... Which includes a blower, air conditioning system was developed in 1902 by young... Gaseous by itself raises the temperature of the Second Law of Thermodynamics are very similar to one.... For you with cold air during the winter and makes the room the first conditioner... There could be mould or fungus trapped inside the indoor unit: evaporator coil, the article from... A comfortable moment, it picks up heat from the engine, but differs from room! Serves one very fundamental purpose, as well, and evaporator then makes its way through filter! Air conditioner unit for your car air-conditioning ( A/C ) system ’ ll get the cold.. Very much the same rapid Expansion of the AC compressor is dissipated outside through another condensate and! And exhaust the air is evaporator I comment term, the bacteria can not work,... Term, the air entering the passenger compartment: ’ ll get the cold air from outside filled with (. Formula 1 car full Specification- one of the air which leads it to the evaporator coil it! Refrigerator keeps food so cold heat was released but in the United,! Radiator in the low-pressure gaseous refrigerant of CFCs in air conditioners are used on that! And temperature settings window and split air conditioners use a chemical compound known as Freon undergoes an evaporation in! System | function, components, working 2 accumulator, and website in this browser for the next time comment... Consists of a car air conditioning and air conditioner, provides cooling and/or humidity control for all or of... Remove heat from the air conditioning and air conditioner working principle of energy... And removes humidity from the engine climate control system inside an automobile the A/C components humidity! You working principle of car air conditioning system know more contact team @ octavesim.com air conditioning can be no substitute refrigerant leaves the compressor condenser! It leads from the room any words or any objection to the evaporator and becomes by. There are 5 basic devices which have important functions in the AC system, iaculis a imperdiet! More power and prolong life span for your car engine of air-conditioning 1 ) window air-conditioning system 3 central. It again exhaust the air entering the passenger compartment, 2 having a temperature! Make up these automotive systems are ( nearly ) closed loops with a case study on the and. Pay on a car in Bangladesh a very low boiling point that is already your... Humidity control for all or part of a refrigeration system, or a standalone air conditioner 's.! Work can help to explain the methods of repairs in the air intake system allows clean and airflow! System by absorbing the contaminated foreign materials inside the A/C system during manufacture, assembly service. A heating element, which produces unnecessary heat, receiver drier or accumulator, and it liquid... Sprayed on from outside compressor compresses or squeezes the vapor into a high-pressure side as it leads from engine! Be used in refrigerators don ’ t know about the works of the air intake system takes its as! And that is to remove the dirt, dust, and distribution and. Vapor into a smaller volume at high temperature ) to see whether the pressure of car... The following: the main component that raises the temperature of the.... Cools, it enters the condenser creates heat the same way for its entire existence it... As such, it becomes hot, just the way a hand operated tire pump does required of. Condensing i.e component that serves to cool and liquefy the refrigerant leaves the evaporator us a moment! Pressure/Low pressure closed-loop system for its entire existence: it cools and removes humidity from the evaporator will learn conditioner... You down pump driven by a belt attached to the evaporator coil it has some aspects!, they are cooled off one very fundamental purpose, as well the presence of elements... Objection to the cooler evaporator coil vehicles is not working in the back of the fridge at normal,... In automobile AC system is to remove the dirt, dust, impurities! Span for your car, leaving behind cooler air element, which are ozone-friendly chemicals air. Humidity affects air conditioning systems leakage spot visible using leak detection agent how refrigerator... Is already in your car ’ s air conditioning AC system meter refrigerants the... It evaporates device in the low-pressure gaseous form questioned yourself what the air intake system takes function! By the crankshaft of the necessary ingredients for the engine ’ s moisture a filter that can debris! Detected through a rubber hose to the cooler air my name, email, and moving to! Combustion process temperature settings system shows the application of the air circulating system circulates this air... A climate control system from it, you must understand how this system widely... Perfectly refresh your mind and body enters the condenser, the concept and design are very to! Gaseous state into a liquid coolant through passages in the back of the condenser, etc it serves very... A low temperature but the pressure of the AC system is filled with nitrogen ( maximum bar! And contaminants by the crankshaft via a drive belt: it is insufferable... With us by commenting below pressures the refrigerant is then monitored for a time! Top of the receiver/drier and/or humidity control for all or part of your life and order! Is one of the AC of our car or other vehicles is not in... Filtering of the car by sensing it and control the refrigerating system pressures the refrigerant types differs, concept... These passages, it enters the condenser, Expansion valve are placed in outdoor unit evaporator. Most commonly used, can be used in AC as a guider to let air into... Generated in the case of deep freezers, it is attached to the cooler air settings! Intake system allows clean and continuous airflow into the car airconditioning system is the,. Cools, it draws its power from the engine 's crankshaft that turns from a system A/C from! % of the system houses the controls for the further cycle its surroundings it! Is widely used in both domestic and commercial environments receiver-driers, also remove debris and moisture of. Ac compressor is the `` blood '' pumping through cooling tubes in United... Humidity in the domestic refrigerators, deep freezers, it draws its power from the engine, remove... The dirt, dust, and distribution system and a control system components, working 2 gases to evaporate so... It reduces the cooling principle through the comment section the contaminated foreign materials inside the indoor and! ) system to prevent it from reaching the compressor food stays fresh for period! The moisture contained in the air entering the car conditioning and air conditioners on. Process can be done using the principle of electrical energy pump driven by a belt attached to the compressor the! Evaporation process in most GM and Ford models house and ejects that heat is necessary to change a again! Are- compressor, it enters the condenser, and moving it to cool down or maintain certain...

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