水蒸気圧の一測定法について

概要

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This paper is on a measuring method of water vapor pressure for basic experiments in emvironmental engineering, especialy designed for measuring water vapor pressure in narrow space such as air layers in building walls, as testing boxes of measuring apparatus of vapor permeance of building materials. This is one of physicochemical method, and the treatment of the apparatus is roughly as follows. The vapor pressure in equiliblium with that of the measuring point is caught in a small metalic capsule with a slender pipe, and after closing the pipe the capsule can be refrigerated under the dew point temperature and the pressure in the capsule can be measured by a mercury manometer and a micro-meter before and after refrigeration without changing its volume. From values of these pressure. The vapor pressure can be goten by calculation or arranged chart, the measuring results are well coincident with values by Assman psychrometer.
岐阜工業高等専門学校の論文
1979-02-20