Transcription of How air conditioning works - Conservation physics
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How air conditioning works - Conservation physics
How air conditioning worksThe essential ingredients in an air conditioning system are a fan to blow air around, a coldsurface to cool and dehumidify the air, a warm surface and a source of water vapour. In alarge system there will also be a tangle of tubes to distribute the air and collect it again. Notice that the cold surface has two independent jobs to do: it is used to cool the air and it isalso used to dehumidify, by condensing water from the air. This means that the air is cooledmore than is necessary for temperature control, so that it must be heated again afterwards. Air conditioning wastes energy. It also wastes space, because air has to be pumped around inquite large tubes, so that it doesn't make a rushing noise. It does, nevertheless, generate adisturbing background noise if the room is otherwise quiet.
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.
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