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小木虫论坛-学术科研互动平台» 学术交流区» 论文翻译 » 论文翻译求助完结子版 » 论文摘要翻译为英文
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fengmin(金币+20, 翻译EPI+1): 谢谢您的帮助！有点像软件翻译的！不过还是非常感谢！ 2011-04-07 16:07:37
sltmac(金币+1): 谢谢交流，欢迎常来~~ 2011-04-14 18:48:29
sltmac(金币+30): 2011-04-16 14:24:57
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sltmac(金币+20): 欢迎常来~~ 2011-04-16 14:25:13
Jet singlet oxygen generator for experimental research and numerical simulation.

     Chemical oxygen iodine laser with a very rapid development of new short-wave laser, in the military industry and the various civilian industries have wide applications. Singlet oxygen is the main chemical oxygen iodine laser energy to provide material, through the chlorine and alkaline hydrogen peroxide solution from the reaction referred to as BHP, and the preparation of response to quick reaction, highly exothermic quenching large and the target product's characte-ristics. The response characteristics of the gas-liquid contact area gene-rator, gas-liquid mixing to make certain demands. The existence of the tradi-tional generator of bad gas-liquid mixture, the reaction efficiency is low, the shortcomings of a large reactor volume.Jet reactor reactor as a new form, with a compact, no moving parts, heat and mass transfer efficiency, and good mixing effect, the jet reactor used in the preparation of responses, we can see is a more appropriate response control form. In this paper, advanced technology and laser-induced fluorescence PLIF method of combining CFD simulation of the flow field inside the jet were analyzed and prepared according to reaction and mixing jet flow field characteristics of a jet generator design optimization and the use of CFD simulation method, the influence of the absolute yield and the reaction product follow-up to the ease of separation and distribution of droplet size were analyzed.
       (1) method by PILF ejector flow field analysis of the information obtained, the next-jet gas-liquid jet reactor droplet size and distribution of sub-flow changes with the change of liquid.When the liquid flow rates remain unchanged, droplet size and distribution as the gas flows are increasing. When the gas flow rate fixed, liquid flow continuously increases, decreasing droplet diameter, distri-bution tends to be concentrated.
       (2) obtained by CFD simulation of liquid droplets within the jet reaction and distribution of diameter measured with the experimental results are generally similar, but, because the simulation model of the measurement location and the wall there are differences with the experiment, resulting in droplet diameter slightly larger size relative to the experimental results.
       (3) The newly designed jet generator, to have little effect on the reaction process in addition to the mixing section, when the mixture from the nozzle directly into the mixing section.CFD simulation method should also be on the jet singlet oxygen generator of the different gas-liquid flow under the droplet size and distribution of the simulation. Changes in gas and liquid flow rate to deter-mine droplet size and distribution situation.
        (4) apply similar principles and amplification method dimensionless spray reactor similar to the amplification were analyzed to determine the jet reactor similar to the amplification of several quasi-number: area ratio, flow ratio,Reynolds number guidelines and Euler enlarge the number of similar standard criteria.
        Key words: jet reactor, singlet oxygen generator, CFD simulation, PLIF method.
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