| 筛板由泡沫态到喷射态工况转变点的测定和模拟 |
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| 引用本文： | 刘云义,陈建孟,谭天恩. 筛板由泡沫态到喷射态工况转变点的测定和模拟[J]. 中国化学工程学报, 2000, 8(2): 113-117 |
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| 作者姓名： | 刘云义 陈建孟 谭天恩 |
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| 作者单位： | CollegeofChemicalEngineering,ZhejiangUniversity,Hangzhou310027,China |
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| 基金项目： | Supported by the National Natural Science Foundation of China(No.29170288) |
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| 摘 要： | The transition from froth to spray regime on sieve trays was experimentally studied in an air/water simulator with 300 mm diameter. It has been found that the regime transition occurs as the cleax liquid height is equal to the residual pressure drop on the trays. A convenient and accurate technique was proposed for determination of the regime transition point. ]Based on analysis of the transition process at a sieve hole, a new formula which can be used to correlate the experimental results was provided.
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| 关 键 词： | 筛板 泡沫态 喷射态 工况转变点 测定 模拟 压力降 液柱高 |
| 修稿时间： | |
Identification and Modeling of Froth to Spray Transition on Sieve Trays |
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| LIU Yunyi,CHEN Jianmeng,TAN Tian''en. Identification and Modeling of Froth to Spray Transition on Sieve Trays[J]. Chinese Journal of Chemical Engineering, 2000, 8(2): 113-117 |
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| Authors: | LIU Yunyi CHEN Jianmeng TAN Tian''en |
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| Affiliation: | College of Chemical Engineering, Zhejiang University, Hangzhou 310027, China |
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| Abstract: | The transition from froth to spray regime on sieve trays was experimentally studied in an air/water simulator with 300mm diameter. It has been found that the regime transition occurs as the clear liquid height is equal to the residual pressure drop on the trays. A convenient and accurate technique was proposed for determination of the regime transition point. Based on analysis of the transition process at a sieve hole, a new formula which can be used to correlate the experimental results was provided. |
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| Keywords: | sieve tray froth to spray regime transition pressure drop clear liquid height |
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