期刊
HEAT AND MASS TRANSFER
卷 53, 期 5, 页码 1751-1759出版社
SPRINGER
DOI: 10.1007/s00231-016-1931-1
关键词
-
资金
- Iran National Science Foundation (INSF) [92044245]
Infrared-vacuum drying characteristics of button mushroom (Agaricus bisporus) were evaluated in a combined dryer system. The effects of drying parameters, including infrared radiation power (150-375 W), system pressure (5-15 kPa) and time (0-160 min) on the drying kinetics and characteristics of button mushroom slices were investigated. Both the infrared lamp power and vacuum pressure influenced the drying time of button mushroom slices. The rate constants of the nine different kinetic's models for thin layer drying were established by nonlinear regression analysis of the experimental data which were found to be affected mainly by the infrared power level while system pressure had a little effect on the moisture ratios. The regression results showed that the Page model satisfactorily described the drying behavior of button mushroom slices with highest R value and lowest SE values. The effective moisture diffusivity increases as power increases and range between 0.83 and 2.33 x 10(-9) m(2)/s. The rise in infrared power has a negative effect on the Delta E and with increasing in infrared radiation power it was increased.
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