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申論題資訊

試卷:110年 - 110 國立中央大學_碩士班招生考試_化學工程與材料工程學系/甲組(一般生):輸送現象與單元操作#103873
科目:研究所、轉學考(插大)◆輸送現象與單元操作
年份:110年
排序:8

題組內容

5. (25%) A pipeline transporting cold water is surrounded by stagnant air that is both hot and hurnid, and moisture continually di ffuses to the cold surface of the pipe to form condensation. The condensed water forms a liquid film around the pipe, which drops off. At a distance of 10 cm from the exterior of the pipe, the relative humidity is constant, while close to the pipe the moisture content approaches the vapor pressure of water evaluated at the temperature of the pipe.

申論題內容

(c) What is the simplified forn of Fick's flux equation for water vapor, NA? ( 5 pts)