Engineering Guide - Intellishare

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EngineeringGuideECLIPSE COMBUSTIONENGINEERING GUIDEPublished byEclipse, 1986byEclipse, Elmwood RoadRockford,Illlinois 61103All Rights EditionEFE-825, 8/04Printed in the United States of AmericaCONTENTS1. Orifices & FlowsCoefficients of Discharge for Various Types of Orifices . . . . . . . . . . . . . . . . . . . . 4Orifice Flow Formulas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4Orifice Capacity Tables, Low Pressure Gas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5Orifice Capacity Tables, High Pressure Gas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9Piping Pressures Losses, Air.

4 The flow of air or gas through an orifice can be determined by the formula Q =1658.5 x Ax C d h g where Q=flow, cfh A=area of the orifice, sq. in. (see Pages 57 & 58)

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