implementation of air conditionerBlog

implementation of air conditioner

The main external unit can be connected to several different indoor types: floor, ceiling, cassette, etc. These include Cooling in traditional AC systems is accomplished using the The vapor-compression cycle can occur within a unitary, or packaged piece of equipment; or within a Some air conditioning systems have the option to reverse the Air-source heat pumps are more popular in milder winter climates where the temperature is frequently in the range of 4–13 °C (40–55 °F), because heat pumps become inefficient in more extreme cold. All of them are connected to the main external unit, but the principle of their operation is similar to a simple split-system. However, it is wrong to expect better performance when all indoor units are turned on at the same time, since the total capacity of the whole system is limited by the capacity of the outdoor unit.

30% of it will become in-car heat load) and warm wind from outer ambient environment.Advantage: mature technologies, easy for thermostatic control; use engine’s cooling water to provide in-car heated air; the heat source supply is stable.Disadvantage: thermostatic control has to make adjustment through mixing the warm/cold air; while at engine’s idling speed state, the cooling/heating effects are not good. Air conditioners often use a fan to distribute the conditioned air to an enclosed space such as a building or a Since prehistoric times, snow and ice were used for cooling. In-car space is not big, but during the driving, the car exposes to sunlight and in-car heat is generated, therein causing extremely large heat load. At present, the thermostatic control on vehicle air-conditioning system makes adjustment by mixing the warm and cold air, which is extremely energy consuming; in addition, the in-car relative humidity (RH) is very low and thus makes in-car passengers dehydrate and easily get tired; also, it increases the car’s energy consumption.
When in-car environment reaches the target temperature, the system will properly halt compressor to have in-car space maintain in a comfortable temperature range; and be able to reduce vehicle’s oil consumption. Secondly, there should not be any obstacles on the way of the airflow that might prevent it from covering the space of the premises as much as possible. It is the needs of the process that determine conditions, not human preference. An evaporation cooler is a device that draws outside air through a wet pad, such as a large Evaporative coolers tend to feel as if they are not working during times of high humidity, when there is not much dry air with which the coolers can work to make the air as cool as possible for dwelling occupants. Factors that affect vehicle’s energy consumption are the driving habit, weather status, traffic status, vehicle status, etc. Please visit the following: The authors declare that there are no conflicts of interest regarding the publication of this article.The authors would like to thank Her Jiu Technology for its great assistance provided during the research period.Copyright © 2019 Chien-Lun Weng and Lih-Jen Kau. To compensate for this, the heat pump system must temporarily switch back into the regular air conditioning mode to switch the outdoor evaporator coil The icing problem becomes much more severe with lower outdoor temperatures, so heat pumps are commonly installed in tandem with a more conventional form of heating, such as an electrical heater, a In very dry climates, evaporative coolers, sometimes referred to as swamp coolers or desert coolers, are popular for improving coolness during hot weather.
Rd., Taipei 10608, TaiwanIn-car generated heat load: this includes heat coming from the engine and human body.Heat load coming from the outer ambient atmosphere: heat load coming from car top, side doors, chassis, and glass windows (heat of radiation, approx.

Assuming 1000 hours of operation during a typical cooling season (i.e., 8 hours per day for 125 days per year).

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