MODEL FOR FREEZE DRYING OF FIBROUS-POROUS MATERIALS

Yank Zhuoru; Li Zhiyun; Tu Weiping; Cheng Jiang; Chen Huanqin(Chemical Engineering College

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MODEL FOR FREEZE DRYING OF FIBROUS-POROUS MATERIALS

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- MODEL FOR FREEZE DRYING OF FIBROUS-POROUS MATERIALS
- CIESC Journal Issue 2, (1996)
- 作者机构：
  
  华南理工大学化工学院!广州510641,华南理工大学化工学院!广州510641,华南理工大学化工学院!广州510641,华南理工大学化工学院!广州510641,华南理工大学化工学院,广州,510641
- 作者简介：
- 基金信息：
- DOI：
  CLC： Q02
- Online First：25 April 1996，
  
  Published：25 April 1996
- 稿件说明：
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Yank Zhuoru, Li Zhiyun, Tu Weiping, et al. MODEL FOR FREEZE DRYING OF FIBROUS-POROUS MATERIALS[J]. CIESC Journal, 1996, (2).
DOI：

Yank Zhuoru, Li Zhiyun, Tu Weiping, et al. MODEL FOR FREEZE DRYING OF FIBROUS-POROUS MATERIALS[J]. CIESC Journal, 1996, (2). DOI：

摘要

通过对草菇进行冷冻干燥实验，研究了过程中样品的中心温度及水分率随时间的变化关系．对冻干过程中物料干燥层和冰冻层进行质量和热量衡算，建立了升华─吸附─解吸数学模型．实验值与模型计算值吻合良好．

Abstract

The relations of temperature and water fraction versus drying time during freeze drying of mushroom have been studied.The mathematical model of freeze drying of sublimation-adsorption-desorption was developed based on the energy and mass conservation in dried and frozen regions of mushroom respectively.Experimental values fit well with calculated results.

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