エルー式電氣爐の消費電力量 : 鑄鐵の熔解

概要

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Electric energy consumption of an Heroult type electric arc furnace was written in the form of the following polynomial, (as shown by "Tetsu to Hagane" Vol.34, No.9, 1948) W=h_1M+h_2T+h_3 where W Electric energy cousumption M Quantity charged T Melting period h_1 h_2 h_3 Constants When we measure M, T and W, it will be easy to calculate h_1 h_2 and h_3. up to the present the author arranged the data by the aid of stochastics. How is it applied here, will be seen later. 1. The frequency distributions of W or T were collected and arranged. As the result, it was found that the distributions made a form just like a normal form of probability curve. 2. From the distribution diagrams of M, T and W shown as Table 2, 3 and 4, coefficients of simple correlation between them were calculated. 3. From the coefficients of simple correlation, the regression equation was deduced. This was the polynomial above mentioned. Thus the anthor showed an example of stochastics applied to the electric energy consumption of an Heroult type electric arc furnace, and described experimentally that the electric energy consumption varied in accordance with the above linear equation of quantity charged and melting period.
社団法人日本鉄鋼協会の論文
1952-04-25