Predicting Droplet Size from Black Liquor Spray Characteristics

机译：从黑液喷雾特性预测液滴尺寸

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Full-scale spraying experiments in the spraying chamber were carried out at three spraying temperatures and three mass flow rates with high solids content black liquor. The spray disintegration mechanism, the length of the sheet and estimation of drop size from the wave length of a black liquor sheet were studied. The flash dominated disintegration mechanism produces a very short uniform sheet, while in non-flashing cases wave formation and perforation could be observed. An image analysis based algorithm to measure the sheet length was developed and tested. FFT and autocorrelation functions were tested to determine the wave length of the spray to calculate the drop size.

机译：在三个喷涂温度和三个质量流量下，在高固含量黑液的条件下，在喷涂室内进行了全面的喷涂实验。研究了喷雾崩解机理，片材的长度以及从黑液片材的波长估算液滴尺寸。闪光为主的崩解机制产生非常短的均匀薄片，而在非闪光情况下，可以观察到波的形成和穿孔。开发并测试了一种基于图像分析的算法来测量纸张长度。测试了FFT和自相关函数，以确定喷雾的波长，以计算液滴大小。

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来源
《International Chemical Recovery Conference v.1; 20040606-20040610; Charleston,SC; US》|2004年|P.71-80|共10页
会议地点 Charleston SC(US);Charleston SC(US)
作者
Miikkulainen; P.; Kankkunen; A.; Jaervinen; M. P.;
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Helsinki University of Technology, Laboratory of Energy Engineering and Environmental Protection, FIN-02015 Hut, Finland;

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原文格式 PDF
正文语种 eng
中图分类造纸工业;
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1. Predicting droplet size from black liquor spray characteristics [J] . PASI MIIKKULAINEN, ARI KANKKUNEN, MIKA P.JARVINEN, TAPPI Journal . 2005,第5期

机译：从黑液喷雾特性预测液滴尺寸
2. Influence of droplet size on the release of atomic sodium from a burning black liquor droplet in a flat flame [J] . W.L. Saw, G.J. Nathan, P.J. Ashman, Fuel . 2010,第8期

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3. Transient flashing propellant flow models to predict internal flow characteristics, spray velocity, and aerosol droplet size of a pMDI [J] . Gavtash B., Versteeg H. K., Hargrave G., Aerosol Science and Technology: The Journal of the American Association for Aerosol Research . 2017,第4a6期

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4. Predicting Droplet Size from Black Liquor Spray Characteristics [C] . Miikkulainen P., Kankkunen A., Jaervinen M. P. International chemical recovery conference . 2004

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5. Mono-size droplet production by the uniform-droplet spray process at high temperature -- With applications to ASTM F75 and silicon. [D] . Roy, Sudesna. 2009

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8. Droplet Size and Liquid Water Characteristics of the USAAEFA (CH-47) Helicopter Spray System and Natural Clouds as Sampled by a JUH-1H Helicopter [R] . Humbert, M. E., Jahnsen, L. J., Dzamba, L. D. 1980

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Predicting Droplet Size from Black Liquor Spray Characteristics

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