| 食品真空冷冻干燥准稳态模型的研究 |
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| 引用本文： | 姚智华,陈杰平.食品真空冷冻干燥准稳态模型的研究[J].安徽科技学院学报,2007,21(1):37-40. |
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| 作者姓名： | 姚智华 陈杰平 |
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| 作者单位： | 安徽科技学院,工学院,安徽,凤阳,233100;安徽科技学院,工学院,安徽,凤阳,233100 |
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| 摘 要： | 本文在对真空冷冻干燥非稳态模型简化的基础上建立了准稳态数学模型,理论计算和实验结果对比表明,准稳态模型能较好的反映升华干燥过程,但在解析干燥过程中存在较大的偏差.
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| 关 键 词： | 真空冷冻干燥 数学模型 升华干燥 热质传递 |
| 文章编号： | 1673-8772（2007）01-0037-04 |
| 收稿时间： | 2006-01-30 |
| 修稿时间： | 2006-01-30 |
Study on the Stable State Numerical Model to Vacuum Freeze Drying |
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| YAO Zhi-hua,CHEN Jie-ping.Study on the Stable State Numerical Model to Vacuum Freeze Drying[J].Journal of Anhui Science and Technology University,2007,21(1):37-40. |
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| Authors: | YAO Zhi-hua CHEN Jie-ping |
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| Institution: | College of Engineering , Anhui Science and Technology University, Fengyang 233100, China |
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| Abstract: | In this paper,the stable-state numerical model to vacuum freeze drying which is simplified from the transient state numerical model is established.Results show that the model fits well to the sublimation drying process and a considerable deviation exist during the secondary drying procedure. |
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| Keywords: | Vacuum freeze drying Numerical model Sublimation drying Mass and heat transfer |
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