| 管式气流干燥系统应用于淀粉干燥的数值模拟研究 |
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| 引用本文： | 冯新伟,李小艳,刘志森. 管式气流干燥系统应用于淀粉干燥的数值模拟研究[J]. 黑龙江农业科学, 2012, 0(3): 135-138 |
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| 作者姓名： | 冯新伟 李小艳 刘志森 |
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| 作者单位： | 沈阳农业大学高等职业学院;辽宁工程技术大学机械工程学院 |
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| 摘 要： | 淀粉干燥是淀粉生产过程中的一个关键工序,弄清干燥过程中湿物料的传热传质过程对生产效率的提高至关重要,现选用管式气流干燥器作为淀粉物料的干燥设备,对其中的U形等径干燥管进行研究,用Flu-ent软件对干燥管内的气固两相流动进行了数值模拟,通过对管内气固两相流中各流场的分析,阐述了干燥过程中湿物料的传热传质过程及机理,并探讨了各参数对管内气固两相间传热效果的影响。
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| 关 键 词： | 淀粉 管式气流干燥 Fluent数值模拟 气固两相流 |
Numerical Simulation of Starch Drying with Tubular Airflow Drying System |
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| FENG Xin-wei,LI Xiao-yan,LIU Zhi-sen. Numerical Simulation of Starch Drying with Tubular Airflow Drying System[J]. Heilongjiang Agricultural Science, 2012, 0(3): 135-138 |
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| Authors: | FENG Xin-wei LI Xiao-yan LIU Zhi-sen |
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| Affiliation: | 1.Advanced Vocational Technical College of Shenyang Agricultural University,Shenyang,Liaoning 110122;2.Mechanical Engineering College of Liaoning Technical University,Fuxin,Liaoning 123000) |
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| Abstract: | Starch drying is a critical process in starch production,it is essential to find out heat and mass transfer process in wet material drying for the production efficiency improving.Using the tubular airflow dryer to dry starch material and focusing on U-type drying tube,gas-solid flows in drying tube was simulated with Fluent,the mechanism and process of heat and mass transfer in wet material drying were described by analyzing the flow fields of gas-solid flow,and the effects of heat transfer between gas and solid in different situations were discussed. |
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| Keywords: | starch tubular airflow drying Fluent numerical simulation gas-solid flow |
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