摩擦ポンプの乱流特性(第1,2報)
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概要
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The theoretical characteristics of the friction pump was already studied by the author, considering the flow in the pump as laminar. The case of turbulent flow was taken up, in the present paper, to contrast the characteristics in two modes of the flow, and to inquire into the effect of turbulence on the characteristics of the pump of improved type, already given by the author. It has been concluded that : (1) The turbulence improves, in general, the characteristics of friction pump, whatever it may be, the improved type or otherwise. (2) As to the usual type, the maximum efficiency is found to be 2/5 for turbulent, compared with 1/3 for laminar. (3) The turbulence does not change the fundamental principle for improving the friction pump, already pointed out by the author in regard to the laminar flow.
- 一般社団法人日本機械学会の論文
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