Recently in the laboratory, a new refrigerant R-1234yf is discovered, which has a global warming potential of less than R-134a refrigerant. It has a slightly lower global warming potential of 1430 as compared to R-12. Engineers considered R-134a refrigerant is environmentally friendly, but later discovered that it has greenhouse gas potential, and in the long run it has a huge impact on global warming. In 1995 became a new standard for refrigerants in the automotive world. It became the best option for car manufacturers due to its insignificant ozone depletion potential. This means with the same type of vehicle and the same amount of refrigerant, the vehicle containing R-134a refrigerant has the capability to remove more heat from the vehicle than the R-12. R-134a has the capability to remove more heat from the vehicle than R-12. It is odorless, colorless, non-flammable, and non-corrosive gas. Back at the end of the 20th century, engineers found that R-12 is an eco-enemy refrigerant a new refrigerant was developed in the lab called R-134a. R-134a is a type of AC refrigerant used in the air conditioning system. So, from 1994 R-12 refrigerant was banned from use in new cars, and R-134a refrigerant was started to use in car air conditioning systems.Ģ. Luckily they found an ozone-friendly refrigerant R-134a, which contributes less to global warming as compared to R-12 refrigerants. Its global warming potential is 2400, which is very high as compared to carbon dioxide (CO₂), which has a global warming potential of one according to standard protocol. This was the reason scientists were compelled to find out the solution to rapidly increasing global warming. It was perfectly doing its job until scientists discovered that it is responsible for the rapidly depleting ozone layer. It is a colorless, odorless, non-explosive, and non-flammable gas. Back in the 20th century for a long time, R-12 refrigerant was the standard for automotive air conditioning. R-12 is a laboratory-man-made refrigerant it was widely used in automotive air conditioning systems. R-12 has the molecules of chlorine, fluorine, and carbon it is also called chlorofluorocarbon (CFC). Its chemical name is dichlorodifluoromethane. R 12 refrigerant also known as Freon, Freon-12, R-12, and CFC-12 is a type of AC refrigerant. R-12 Refrigerant (Freon, Freon-12, R-12, CFC-12) Freon CAN and Pressure Gauge That is why it is illegal and prohibited to vent the car AC refrigerant into the atmosphere.ġ. Car AC refrigerant is volatile, flammable, toxic, and contributes to ozone depletion, which causes global warming. In the end, again the refrigerant is sent back to the compressor, where it becomes liquid. The cooled AC refrigerant is then allowed to expand in the evaporator, where it becomes gas and absorbs heat in the surrounding area of the car interior. AC refrigeration converts its phases from liquid to gas and back again in air conditioning systems.įirstly, the AC refrigerant is compressed by the compressor and becomes liquid, then it is cooled off in the condenser. Refrigerant is a volatile gas used in the refrigeration cycle of an air conditioning system.
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