ㅇㄹㅇㄹ2016.02.22So how does this apply to refrigerators?
There are really two cases to consider. When the refrigerator is empty (that is it is really full of air, a gas) it temperature is easy to change. This might seem to be an advantage when it is first turned on, and you need to cool it down. However, remember that it is rare that you start a refrigerator from being warm. Usually the refrigerator is cold and you want it to remain cold. In that case a well stocked refrigerator contains a large mass of food and drinks, most of which contains large amounts of water, and the specific heat of water is very high. The temperature hardly changes at all, even when the door is open.답글
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0There are really two cases to consider. When the refrigerator is empty (that is it is really full of air, a gas) it temperature is easy to change. This might seem to be an advantage when it is first turned on, and you need to cool it down. However, remember that it is rare that you start a refrigerator from being warm. Usually the refrigerator is cold and you want it to remain cold. In that case a well stocked refrigerator contains a large mass of food and drinks, most of which contains large amounts of water, and the specific heat of water is very high. The temperature hardly changes at all, even when the door is open.
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