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三组元W/O乳化液的表面张力和雾化特性 被引量:1
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作者 盛宏至 张宏策 +1 位作者 吴东垠 魏小林 《燃烧科学与技术》 EI CAS CSCD 2004年第2期97-101,共5页
研究了W/O型乳化液的表面张力,压力雾化喷嘴的乳化液雾化特性与乳化液的组分、乳化剂的黏度以及喷油压力的关系.实验结果表明:乳化液的表面张力接近柴油,但喷雾滴径均大于柴油,而且喷嘴的启喷压力、乳化液组分和乳化剂黏度对乳化液平均... 研究了W/O型乳化液的表面张力,压力雾化喷嘴的乳化液雾化特性与乳化液的组分、乳化剂的黏度以及喷油压力的关系.实验结果表明:乳化液的表面张力接近柴油,但喷雾滴径均大于柴油,而且喷嘴的启喷压力、乳化液组分和乳化剂黏度对乳化液平均滴径均有显著影响.随着启喷压力升高,喷雾滴径明显减小;若启喷压力相同,随着乳化液中水相含量增加(不高于50%),乳化液喷雾滴径随之增加;采用高黏度、低HLB值乳化剂配制的乳化液的喷雾滴径相对较大;内相界面特性和界面上的乳化剂会对滴径分布有重要影响. 展开更多
关键词 乳化液喷雾 表面张力 化特性
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Characterization of Atomization Processes in Suspension/Emulsion Sprays
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作者 Walter Schafer Cameron Tropea 《Journal of Energy and Power Engineering》 2016年第4期223-230,共8页
The characterization of suspension/emulsion sprays plays a decisive role in many industrial processes. A good example of such a process is the drying of a milk spray to produce milk powder, where the process efficienc... The characterization of suspension/emulsion sprays plays a decisive role in many industrial processes. A good example of such a process is the drying of a milk spray to produce milk powder, where the process efficiency and product quality is typically controlled by atomization parameters like flow rate, pressure, etc.. However, these parameters influence directly the droplet size and droplet velocity distributions in a spray, so that optimizing a spray drying process often involves adjusting the spray to a desired droplet size and droplet velocity distribution. This requires a measurement technique capable of characterizing in real time, the droplets in a suspension/emulsion spray. To achieve this aim, we present developments to the well-known time-shift technique for spray measurements. 展开更多
关键词 Milk spray SUSPENSION EMULSION measurement drop size drop velocity time-shift.
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