Film Thickness, Flow Regimes, and F

Film Thickness, Flow Regimes, and Flooding in Countercurrent Annular Flow of a Falling Film at High Pressures Industrial & Engineering Chemistry Research ( IF 3.375 ) Pub Date : November 1 , DOI: 10.1021/ie0100885 Ron Stockfleth; Gerd BrunnerThe film thickness, flow regimes, and flooding points for the countercurrent annular flow of corn oil (Mazola) and carbon dioxide at 338 K and pressures between 7.6 and 20.6 MPa are examined experimentally. The film flows down a stainless steel rod with a diameter of 10 mm and a length of 1000 mm that is inserted in a glass tube with an internal diameter of 15 mm, yielding an annulus of 2.5 mm. The film thickness adheres to Nusselt's equation for smooth water films. With increasing liquid flow rate, the falling film exhibits the following flow regimes: wavy film, troughs/crests on the film, drop formation, and flooding. The countercurrent gas flow affects the flow regime of the liquid film. The flooding points for the falling film column can be correlated with the same equation as the flooding points for packed columns with various packings and fluids at different states (high and ambient pressure).

Film Thickness, Flow Regimes, and Flooding in Countercurrent Annular Flow of a Falling Film at High Pressures Industrial & Engineering Chemistry Research ( IF 3.375 ) Pub Date : November 1 , DOI: 10.1021/ie0100885 Ron Stockfleth; Gerd BrunnerThe film thickness, flow regimes, and flooding points for the countercurrent annular flow of corn oil (Mazola) and carbon dioxide at 338 K and pressures between 7.6 and 20.6 MPa are examined experimentally. The film flows down a stainless steel rod with a diameter of 10 mm and a length of 1000 mm that is inserted in a glass tube with an internal diameter of 15 mm, yielding an annulus of 2.5 mm. The film thickness adheres to Nusselt's equation for smooth water films. With increasing liquid flow rate, the falling film exhibits the following flow regimes:  wavy film, troughs/crests on the film, drop formation, and flooding. The countercurrent gas flow affects the flow regime of the liquid film. The flooding points for the falling film column can be correlated with the same equation as the flooding points for packed columns with various packings and fluids at different states (high and ambient pressure).

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结果 (简体中文) 1: [复制]

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膜厚，流态和在高压下降膜逆流环形流动中的 溢流工业与工程化学研究（IF 3.375）出版日期：11月1日，DOI：10.1021 / ie0100885 Ron Stockfleth；格德·布鲁纳 实验研究了在338 K和7.6至20.6 MPa的压力下玉米油（Mazola）和二氧化碳的逆流环形流动的膜厚，流态和溢流点。薄膜沿直径为10 mm，长度为1000 mm的不锈钢棒向下流动，该棒插入内径为15 mm的玻璃管中，从而产生2.5 mm的环空。膜厚符合光滑水膜的Nusselt方程。随着液体流速的增加，降膜表现出以下流动形式：波状膜，膜上的波谷/波峰，液滴形成和溢流。逆流气流影响液膜的流动状态。

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结果 (简体中文) 2:[复制]

复制成功！

Film Thickness, Flow Regimes, and Flooding in Countercurrent Annular Flow of a Falling Film at High Pressures Industrial & Engineering Chemistry Research ( IF 3.375 ) Pub Date : November 1 , DOI: 10.1021/ie0100885 Ron Stockfleth; Gerd Brunner The film thickness, flow regimes, and flooding points for the countercurrent annular flow of corn oil (Mazola) and carbon dioxide at 338 K and pressures between 7.6 and 20.6 MPa are examined experimentally. The film flows down a stainless steel rod with a diameter of 10 mm and a length of 1000 mm that is inserted in a glass tube with an internal diameter of 15 mm, yielding an annulus of 2.5 mm. The film thickness adheres to Nusselt's equation for smooth water films. With increasing liquid flow rate, the falling film exhibits the following flow regimes: wavy film, troughs/crests on the film, drop formation, and flooding. The countercurrent gas flow affects the flow regime of the liquid film. The flooding points for the falling film column can be correlated with the same equation as the flooding points for packed columns with various packings and fluids at different states (high and ambient pressure).

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结果 (简体中文) 3:[复制]

复制成功！

高压降膜逆流环空流中的膜厚、流型和溢流 工业与工程化学研究（IF 3.375）发布日期：11月1日，DOI:10.1021/ie0100885 罗恩·斯托克弗莱斯；格德·布伦纳 实验研究了338k、压力在7.6～20.6mpa范围内玉米油（Mazola）和二氧化碳逆流环状流的膜厚、流型和溢流点。薄膜沿着直径为10 mm、长度为1000 mm的不锈钢杆向下流动，不锈钢杆插入内径为15 mm的玻璃管中，产生2.5 mm的环空。薄膜厚度符合光滑水膜的Nusselt方程。随着液体流量的增加，降膜呈现以下流动状态：波纹膜、膜上的槽/峰、液滴形成和溢流。逆流气流影响液膜的流型。降膜塔的溢流点与不同填料和流体状态（高压和环境压力）下填料塔的溢流点方程相同。

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