Abstract
New methodology of designing the differential pressure flow meters for fluid energy carriers is developed in order to provide minimum uncertainty of results of flow rate measurement. This methodology is implemented in “Raskhod-RU” CAD system for computer aided design and calculation of differential pressure flow meters. “Raskhod-RU” CAD meets the requirements of new Standards implemented in CIS countries (GOST 8.586.1,2,3,4,5-2005) and provides accomplishment of the following tasks: verification of conditions (constraints) for application of the differential pressure method according to the requirements of new Standards; calculation of parameters of primary device, pipe straight lengths and flow meter in general according to the requirements of new Standards; calculation of uncertainty of results of fluid flow rate and volume measurement.
Highlights
The world prices for the energy resources have been rising up till which was caused by the world market trends and by other factors
The methodology of the mentioned above verifications, calculations and design of differential pressure flow meters was not formalized even for previous Standards. Such methodology is developed by us according to the requirements of the new Standards
In order to simplify accomplishment of the mentioned above tasks and implementation of new Standards (GOST 8.586.1,2,3,4,5-2005) we propose to accomplish the developed methodology of calculations and design of flow meters by means of a specialized computer program: system for computer aided calculation and design of differential pressure flow meters
Summary
The world prices for the energy resources have been rising up till which was caused by the world market trends and by other factors. The Ukrainian situation is complicated by the fact that major part of the most important energy carriers (natural gas and oil) need to be purchased abroad (from Russia and other countries). Such a state of things is putting forth a very important task—the task of energy carrier saving. Efficient consumption and saving of energy is possible only if metering is carried out with high accuracy and on every step and branch of supply of energy carriers. The accuracy of such a metering is defined by technical base, normative base, metrological base and the professional level of personnel.
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