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采用间接膨胀法研究鼓泡床内气含率特性 被引量:1
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作者 王丽祥 吴桂英 +2 位作者 李阳 齐娜娜 张锴 《化工学报》 EI CAS CSCD 北大核心 2010年第9期2353-2357,共5页
An indirect expansion technique was proposed to measure the gas holdup in a non-transparent bubble column with 0.1 m inner diameter and height of 5.2 m.Air and distilled water were employed as gas and liquid phases,re... An indirect expansion technique was proposed to measure the gas holdup in a non-transparent bubble column with 0.1 m inner diameter and height of 5.2 m.Air and distilled water were employed as gas and liquid phases,respectively.The experimental results show that the average and maximum errors of gas holdup are less than 2% and 4.5%,respectively,between the indirect expansion and pressure drop methods at atmospheric or elevated pressure.Moreover,the gas holdup increases with operating pressure when the superficial gas velocity is a constant,while the effect of static liquid height on gas holdup can be ignored when the operating pressure and superficial gas velocity are fixed. 展开更多
关键词 鼓泡床 气含率 间接膨胀法 差压
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