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On ejector technology

机译:顶出技术

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摘要

Recently a special issue of the International Journal of Refrigeration was concerned with Ejector Technology. The first paper in that issue is the Editorial by Groll (2011), the second paper is a review on "Historical and present developments of ejector refrigeration systems with emphasis on transcritical carbon dioxide air-conditioning applications" by Elbel (2011). The present author fully agrees with the first sentence of Groll (2011) that "Ejectors are fascinating mechanical devices". He believes, however, that in the articles of Groll (2011) and Elbel (2011) the references to the historical literature have been somewhat selective and should be supplemented by some important original sources for intellectual property credits. In the Editorial of Groll (2011) references are given only to US sources. The earliest non-patent references there concern the papers of Keenan and Neumann (1942) and of Keenan et al. (1950) which deal with methods of analysis of ejectors. In Keenan and Neumann (1942) the analyses of Bosnjakovic (1936) and of Flugel (1939a, 1939b) are addressed, whereof Flugel (1939a) is a longer report and Flugel (1939b) is a shorter journal article. Interesting to note that the report of Flugel (1939a) had been translated into English already in 1941 by the US National Advisory Committee for Aeronautics and that this translation, Flugel (1941), is available today easily via Internet. Moreover also a book review on the report of Flugel (1939a) had been published by Sorensen (1939).
机译:最近,《国际制冷杂志》的一期特刊涉及喷射器技术。该期刊的第一篇论文是Groll的社论(2011),第二篇是Elbel(2011)撰写的“喷射器制冷系统的历史和当前发展,重点是跨临界二氧化碳空调应用的综述”。本作者完全同意格罗尔(Groll)(2011)的第一句话,即“弹出器令人着迷的机械设备”。他认为,然而,在Groll(2011)和Elbel(2011)的文章中,对历史文献的引用有些选择性,应补充一些重要的原始知识产权文献资料。在Groll的社论(2011)中,仅引用了美国资料。最早的非专利参考文献涉及Keenan和Neumann(1942)以及Keenan等的论文。 (1950)处理喷射器的分析方法。 Keenan和Neumann(1942)讨论了Bosnjakovic(1936)和Flugel(1939a,1939b)的分析,其中Flugel(1939a)是较长的报告,而Flugel(1939b)是较短的期刊文章。有趣的是,美国国家航空咨询委员会已于1941年将Flugel(1939a)的报告翻译成英文,如今,可以通过Internet轻松获得Flugel(1941)的译文。此外,Sorensen(1939)也出版了有关Flugel(1939a)报告的书评。

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