On the Method of Determining the Best Operating Condition of a Fractionating Oil Diffusion Pump

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概要

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• (a) On Hickman's pump, it seems to be undesirable always to rely on the stable regular oil figure as the measure of the the best operation, since the current value at which such a oil figure appears does not correspond to that of the highest vacuum except when the forevacuum is satisfactory. (b) Even in the case of unsatisfactory forevacuum, the current value of the highest vacuum may be determined by the point of inflexion in the curve representing the change of oil temperature measured from outside of the bulb relative to the input power of boiler. By this method, therefore, even without a vacuum gauge one can easily find the appropriate current value for the best efficiency of the pump.

• 東北大学の論文

著者

• Hibi Tadatosi

  The Research Institute For Scientific Measurements

• ISIKAWA Kazuo

  The Research Institute for Scientific Measurements

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