Reader-harris/gallagher
http://www.arian.cl/downloads/man-arian_flow_cad_software.pdf WebThe U.S. gas industry uses the Reader-Harris/Gallagher (R-G) equation to calculate the discharge coefficient. The R-G equation was derived using a database of discharge …
Reader-harris/gallagher
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WebApr 1, 2011 · The Reader-Harris/Gallagher and prior equations such as the Stolz [16] are empirically derived by attempting to match the correction needed for the ideal square root relation to geometric and Re factors of the actual orifice device, so that the measured flow rate matches that calculated from Eq. (3b). WebApr 1, 2015 · The performance of this new relationship compares favorably with the conventional Reader-Harris/Gallagher equation originally developed for the American Gas …
WebAGA 3 uses the Reader-Harris Gallagher equation for the calculation of coefficient of discharge, C d, this is derived from equations 3-11 through to 3-21 in AGA 3 Part 3 and is as follows. Expansion Factor The expansion factor used in the 2012 revision of the AGA 3 standard is as follows: Velocity of Approach Factor WebSep 1, 2010 · Finally in 1998, Reader-Harris [7] developed a new equation derived from an analysis of the data collected by Kinghorn and the data used by Seidl. ISO adopted this equation in 2003 in ISO 5167-2:2003: (3) Y 1 = 1 − ( 0.351 + 0.256 β 4 + 0.93 β 8) { 1 − ( P 2 P 1) 1 / k }. 3. Mass flow rate calculations
WebApr 30, 2015 · Michael Reader-Harris Abstract The discharge coefficient is required to measure flow using a differential-pressure meter. This chapter considers the discharge … WebJun 1, 2012 · One way to determine the uncertainty of the Reader-Harris/Gallagher (1998) Equation is to examine how it performs when the discharge coefficients of orifice plates not used to determine the...
WebReader-Harris/Gallagher equation in A.G.A Report No. 3[2]. Because the discharge coefficient is a function of flow rate, it must be calculated iteratively. This can consume …
WebIf the standard selected is the 1998 or 2003 specification the Reader-Harris/Gallagher equation is used to calculate discharge coefficient. Expansibility Factor If the standard being used is the 1991 or 1998 specification then expansibility factor is calculated by: tesla holding companyWebAn orifice plate is a device used for measuring flow rate, for reducing pressure or for restricting flow (in the latter two cases it is often called a restriction plate). Either a … tesla home charger 240vtesla home backup generatorWebGardiner Harris is the public health reporter for The New York Times. Before working at the Times , he worked at The Wall Street Journal and lived for four years in Hazard, Kentucky, … tesla history of companyWebThe uncertainty of the orifice-plate discharge coefficient given by the Reader-Harris/Gallagher (1998) Equation has been calculated taking account of the uncertainty of the data on which it is ... tring bowls clubWebminimum. The lines are close to parallel to each other, and close to parallel to the Reader-Harris/Gallagher (1998) Equation as found in ISO 5167-2:2003; the Equation with its uncertainty band is plotted in Figures 1A – 2B. Shifts are considered as simple increases in discharge coefficient without changing either d or β. tring beefeaterWebGallagher solutions are available to customers through our network of certified channel partners throughout the world. Our channel partners are security installation professionals who have received accreditation through our rigorous training and product certification program to deliver Gallagher systems and products. tring bowls bridge club