WebApr 1, 2014 · The drying rate is determined by the set of factors that affect heat and mass transfer. Solids drying is generally understood to follow two distinct drying zones, known as the constant-rate period and the falling-rate period. The two zones are demarcated by a break point called the critical moisture content. http://ecoursesonline.iasri.res.in/mod/page/view.php?id=3465
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WebThe falling rate period take a far longer time than the constant rate period, even though the moisture removal may be much less. The drying rate approaches zero at some equilibrium moisture content. Drying in falling rate period involves two processes: a) movement of moisture within the material to the surface WebThe process of drying can be subdivided into three phases: First falling drying rate period Second falling rate period Constant drying rate period. Material or a mass of material, in a constant period, contains much water, resulting in a … sports team owners forced to sell
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WebThe Drying Surface Area is the total area in the drying mass transfer operation i.e. … WebJul 29, 2024 · Importance: 1) First falling rate decides the desorption (removal of moisture from solid more than Equilibrium moisture content) and sorption (absorption of moisture when moisture is lesser ... WebMoisture content at which the drying rate first begins to drop (under constant drying conditions) Falling rate period Drying period (under constant drying conditions) during which the rate falls continuously in time Free moisture, X f X f = X = X* Moisture content in excess of the equilibrium moisture content (hence free to be removed) at given ... sports team office socks