Air conditioning system
2020-12-15
Arkool
24
Hvac air conditioning system ( 加热、通风和空调、简称暖通空调) Refers to the interior or the car is responsible for the heating, ventilation and air conditioning system or associated equipment. The design of hvac system is applied to the thermodynamics, fluid mechanics and fluid mechanics, is an important branch in the field of mechanical engineering. Sometimes add R in abbreviation HVAC, on behalf of the frozen ( 制冷) , abbreviation becomes HVAC& Add R, R or HVACR, or abbreviated V minus the representative ventilation, abbreviation becomes HACR. Hvac system can control the temperature and humidity of the air, improve the indoor comfort, are large industrial buildings and office buildings ( Such as skyscrapers) The important one annulus.
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With the signing of the Montreal Agreement in 1987, CFC refrigerants (such as R-11, R-12, etc.) have been completely banned due to their strong damaging effects on atmospheric ozone.
Refrigeration network: The design of each air conditioner has the problem of how to determine the refrigerant charge, especially in the air conditioner that uses capillary tubes as throttling devices, because the capillary tubes have a higher regulating capacity The expansion valve is poor, and the change of the charge has a greater impact on its performance.
【】Refrigerants are also called refrigeration working fluids, commonly known as refrigerants in some areas in the south.
As we all know, the power density of equipment in the computer room is high, so the volume heat is high.
The air source heat pump is in winter heating conditions.
【】Semiconductor cooling fins, also called thermoelectric cooling fins, are cooling devices composed of semiconductors.
R22 and R410, which are commonly used in air conditioning and refrigeration, are two different refrigerants.
【】In practical applications, some of the following methods are often used to detect whether the refrigerant in the refrigeration system is sufficient.
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