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Information × Registration Number 0305U003769, 0104U009261 , R & D reports Title First edition draft international standart "Flow and quantity measurement of liquid and gas medium by means of preassure differentional method (Part II)" popup.stage_title Розробка першої редакції міждержавного стандарту "Вимірювання витрати і кількості рідин та газів методом змінного перепаду тиску (частина ІІ)" Head Pistun Eugen Pavlovych, Registration Date 24-06-2005 Organization Lviv Polytechnic National University popup.description2 Requirements to a design of orifices and mathematical models for definition of correction factors on a roughness of an internal surface of the pipeline and on slackening an entrance edge of an orifice are specified; uncertainties of correction factor on slackening an entrance edge of an orifice and factor of expansion of the measured medium are specified. It allows to improve normative base under the account of liquids and gases by variable pressure difference method and as a result to increase accuracy of such account that will promote economical consumption of liquid and gaseous energy carriers. Product Description popup.authors popup.nrat_date 2020-04-02 Close