کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
4514505 1322213 2011 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Modeling of desorption of Alfalfa (Medicago sativa) stems and leaves
موضوعات مرتبط
علوم زیستی و بیوفناوری علوم کشاورزی و بیولوژیک علوم زراعت و اصلاح نباتات
پیش نمایش صفحه اول مقاله
Modeling of desorption of Alfalfa (Medicago sativa) stems and leaves
چکیده انگلیسی

The equilibrium moisture content of agricultural products is necessary to optimize drying process and helps to keep the quality of the product during the period of storage. The main aim of this research was to find the best model which could define well, the exchange of moisture between alfalfa (Medicago sativa) and the surrounding air. The desorption isotherms of alfalfa (stem and leaf) were determined separately by using the saturated salt solutions method at three temperatures (25, 50 and 70 °C) within a range of 5–90% relative humidity. Experimental curves of desorption isotherms were fitted to modified equations of Henderson, Halsey, Oswin and Chung-Pfost as well as the GAB model and then evaluated visually by using residual plots and also by some statistical error parameters. The modified Halsey model was found to be the most suitable for describing the relationship between equilibrium moisture content, relative humidity and temperature.


► The difference of desorption isotherms of alfalfa stems and leaves are given to show the behavior the main two parts of this product.
► The modified Halsey model is suitable for describing the relationship between equilibrium moisture content, relative humidity and temperature.
► The results are useful for drying and storage of this crop as well as designing and constructing of dryers.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Industrial Crops and Products - Volume 34, Issue 3, November 2011, Pages 1550–1555
نویسندگان
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