噴流装置の性能改善に関する研究 : (第1報)混合不完全な場合の性能比較

概要

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With regards to the performances of jet-apparatus such as "ejector", or "injector", so far as the authors sware, it seems that there is any conclusive results neither theoritecal nor experimental. In this research series, they have intended to investigate phenomena of flow in the jet-apparatus, and then to obtain reliable data applicable to designing a high efficiency one. This report presents a new method to compare the efficiencies of jet-apparatuses. In the begining of this paper, the efficiencies of many kinds of jet-apparatuses practically used as locomotive blast were compared by this method. Then the effect of changing the length of mixing chamber on the efficiencies was investigated for the most basic type of circular section, and the length of the mixing chamber to give the maximum efficiency was also obtained.
一般社団法人日本機械学会の論文