管水路における各種流量算定式の精度および従来の式の修正について

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  • 春日屋 伸昌
    社團法人土木學會 工学博士, 中央大学, 工学部土木工学科教室

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タイトル別名
  • ON THE ACCURACIES OF THE AUTHORS FORMULAS FOR CALCULATING THE DISCHARGE RATE IN A PIPE AND ON THE MODIFICATION OF THE ORDINARY FORMULA
  • カン スイロ ニ オケル カクシュ リュウリョウ サンテイシキ ノ セイド オヨビ ジュウライ ノ シキ ノ シュウセイ ニ ツイテ

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抄録

The author first examines the remainders occurring in his formulas, which he derived in the latest paper by applying the mechanical quadrature to the calculation of the discharge rate in a pipe. Then, he introduces the modification of the ordinary formula in two forms. In the first form, the coefficients are so modified as to minimize the remainder for the ordinary positions of the measuring points. In the second form, the positions of the measuring points are so modified as to minimize the remainder, and the coefficients remain equallyweighted, which correspond to the minimum propagation of errors, as in the ordinary formula. The applications of the author's formulas to the theoretical distribution of velocity in a pipe and the author's experiments verify the excellence of their accuracies.

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