Lynde, Carleton John, b. 1872 · New York, Macmillan · leaf 148
acts and becomes heavier,volume for volume, than the remainder of the air in the re-frigerator. This cold, heavy air sinks down through an openingin the bottom of the ice chamber, and forces the warmer,lighter air up along the sides of the refrigerator, see arrows,Fig. 91. The warm air comes into… … ^Insulation.FIG. 91. — The refrigerator. 134 PHYSICS OF THE HOUSEHOLD The cold air is warmed by contact with the food, and alsoby contact with the bottom and sides of the refrigerator. Itthus becomes lighter than the air in contact with the ice, andis in turn forced up by this cooler, heavier air.…
Physics · Home Economics
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