翼列に適する翼型の理論的研究(第3報)

概要

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In our previous papers we proposed to adopt, in the design of the blade of axialflow-turbines, pumps and ship-propellers, such profiles suitable for arrangement in a straight grate, and we stated two methods to find out theoretically the above profiles. In those papers, however, the accuracy of the results was rather unsatisfactory, for the effects of the adjoining profiles were replaced by those of an equivallent street of vortices or a grate of flat plates. In this paper the more accurate method is stated, in which the effects of the adjoining profiles are treated equivallently as those of a grate of Karman-Trefftz profiles, which have the similar profile-form to the required one. Therefore, the theory of a grate composed of the Karman-Trefftz profiles is first stated, then the theoretical method is shown to calculate the above required profiles. Finally, an example of a profile-form calculated by this method is given.
一般社団法人日本機械学会の論文
1951-10-20