Drying speed - Drying speed

Japanese: 乾燥速度 - かんそうそくど
Drying speed - Drying speed

The drying rate is expressed as the amount of water that evaporates per unit time per unit surface area of ​​the material (drying area) , or the amount of water that evaporates per unit time per unit weight of the anhydrous material.
[Three drying periods and drying characteristic curves]
When a porous material specimen that is sufficiently wet to the surface is hung in hot air and the changes in the moisture content and surface temperature of the specimen are tracked, the results shown in Figure 1 are observed.

*Some of the terms that refer to "drying speed" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…両者間にはwww/(1+w),www/(1-ww)の関係がある。乾燥速度は,単位材料表面積(乾燥面積)当り単位時間に蒸発する水分量,もしくは単位無水材料重量当り単位時間に蒸発する水分量でもって示されることが多い。
[乾燥の3期間と乾燥特性曲線]
 表面まで十分湿った多孔質材料試片を熱風中につるし,試片の含水率と表面温度の変化を追跡すると図1のような結果が観測される。…

※「乾燥速度」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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