| Experimental Investigation of Pressure Drop Hysteresis in a Cocurrent Gas–Liquid Upflow Packed Bed |
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| 引用本文： | 徐红彬,毛在砂. Experimental Investigation of Pressure Drop Hysteresis in a Cocurrent Gas–Liquid Upflow Packed Bed[J]. 过程工程学报, 2001, 1(3): 239-242 |
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| 作者姓名： | 徐红彬 毛在砂 |
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| 作者单位： | 徐红彬（Institute of Chemical Metallurgy, ChineseAcademy of Sciences, Beijing 100080, China）;毛在砂（Institute of Chemical Metallurgy, Chinese Academy of Sciences,Beijing 100080, China） |
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| 基金项目： | Supported by the NationalNatural Science Foundation of China (No.: 29676042) |
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| 摘 要： | Extensive experimental work on hysteresis in a cocurrent gas–liquid upflow packed bed was carried out with three kinds of packings and the air–water system. However, only when packed with small glass beads (f1.4 mm) was the bed pressure drop hysteresis observed. Two more liquids with different liquid properties were employed to further examine the influence of parameters on pressure drop hysteresis. The similarity of pressure drop hysteresis in packed beds was concluded in combination of experimental evidence reported in literature.
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| 关 键 词： | gas/liquid/solid packed column cocurrent upflow pressure drop hysteresis experimental investigation |
| 文章编号： | 1009-606(2001)03-0239-04 |
| 修稿时间： | 2000-09-18 |
Experimental Investigation of Pressure Drop Hysteresis in a Cocurrent Gas-Liquid Upflow Packed Bed |
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| XU Hong-bin,MAO Zai-sha. Experimental Investigation of Pressure Drop Hysteresis in a Cocurrent Gas-Liquid Upflow Packed Bed[J]. Chinese Journal of Process Engineering, 2001, 1(3): 239-242 |
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| Authors: | XU Hong-bin MAO Zai-sha |
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| Abstract: | Extensive experimental work on hysteresis in a cocurrent gas-liquid upflow packed bed was carried out with three kinds of packings and the air-water system. However, only when packed with small glass beads (φ1.4 mm) was the bed pressure drop hysteresis observed. Two more liquids with different liquid properties were employed to further examine the influence of parameters on pressure drop hysteresis. The similarity of pressure drop hysteresis in packed beds was concluded in combination of experimental evidence reported in literature. |
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| Keywords: | gas/liquid/solid packed column cocurrent upflow pressure drop hysteresis experimental investigation |
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