The variation of temperature in parked car's cabin in the summer
This study aimed to investigate the inside temperature variation of two cars with different colours (black vs. white) in the conditions: doors fully closed vs. doors partially opened; sunny parking area vs. shaded parking area. Several temperature devices - Maxim Integrated DS1921 Hygrochron iButton were used to measure continuously and simultaneously both outdoor and indoor temperatures of the black and white cars. The results of this study showed that the temperature of a black car’s cabin was higher than that of white car’s cabin because the black colour absorbs sunlight more than the white colour. The results reported that the increase in temperature of the car’s cabin under the condition of closed doors and unshaded parking area was higher than that in other conditions. After 30 min (from 3:10 PM to 3:40 PM) of exposing to sunlight, the highest temperature of the black car’s cabin was 40.5 °C, meanwhile that of the white car’s cabin was 37.5 °C. Therefore, during the time of stationary, the automobile should be parked in shaded parking area in the summer.
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