ASME_MFC-1M-2003.pdf

ASME MFC-1M-2003Revision of ASME MFC-1M-1991(R1997)-GEOSSARY OF TERMSEMEASUREMENT-OFt皿FEOW世PP8AN AMERICAN-NATIONAL STANDARDE米The American Society ofMechanical EngineersThe American Society ofMechanical EngineersA N A M E R IC AN N AT I O N AL ST A N DA R DGLOSSARY OF TERMSUSED IN THEMEASUREMENT OFFLUID FLOW IN PIPESASME MFC-1M-2003Revision of ASME MFC-1M-1991(R1997)7Not for ResaleDate of Issuance:November 10,2003The 2003 edition of this Standard is being issued with an automatic addenda subscription service.The use of addenda allows revisions made in response to public review comments or committeeactions to be published as necessary.This Standard will be revised when the Society approves theissuance of a new edition.ASME issues written replies to inquiries concerning interpretations of technical aspects of thisStandard.Interpretations are published on the ASME Web site under the Committee Pages at http:/www.asme.org/codes/as they are issued.ASME is the registered trademark of The American Society of Mechanical Engineers.This code or standard was developed under procedures accredited as meeting the criteria for American NationalStandards.The Standards Committee that approved the code or standard was balanced to assure that individuals fromcompetent and concemed interests have had an opportunity to participate.The proposed code or standard was madeavailable for public review and comment that provides an opportunity for additional public input from industry,academia,regulatory agencies,and the public-at-large.ASME does not approve,rate,or endorseany item,construction,proprietary device,or activity.ASME does not take any position with respect to the validity of any patent rights asserted in connection with anyitems mentioned in this document,and does not undertake to insure anyone utilizing a standard against liability forinfringement of any applicable letters patent,nor assumes any such liability.Users of a code or standard are expresslyadvised that determination of the validity of any such patent rights,and the risk of infringement of such rights,isentirely their own responsibility.Participation by federal agency representative(s)or person(s)affiliated with industry is not to be interpreted asgovemnment or industry endorsement of this code or standard.ASME accepts responsibility for only those interpretations of this document issued in accordance with the establishedASME procedures and policies,which precludes the issuance of interpretations by individuals.No part of this document may be reproduced in any form,in an electronic retrieval system or otherwise,without the prior written permission of the publisher.The American Society of Mechanical EngineersThree Park Avenue,New York,NY 10016-5990Copyright2003byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.with ASMENo reproduction or neworking pemmited without licerse from IHSNot for ResaleCONTENTSF0ew0rdivStandards Committee Roster.Correspondence With the MFC Committee.以1General.12General Terms in Fluid Mechanics.3Uncertainties.General Terms Related to Flowmeters105Quantity Meter.6Rate Meter137Other Types of Meters.22Figures1Bias in a Random Process.62Correlation Coefficients.3Examples of Rotary Displacement Meters.4Piston Provers.125Bell Prover136Liquid Displacement System.17Piez0 meter Ring8Ori ce Plates9NOzZes.1610Classical Venturi Tube.11Sonic Venturi Nozzle:Smith and Maltz Type.172Sonic Venturi Nozzle:LMEF Type.1713Primary and Secondary at Same Elevation,Preferred Installation.2014Three Valve Manifold,Schematic.15Details,Block Valve Interference.16Principle of Operation of the Cross-Correlation Ultrasonic Meter.27Principle of Operation of the Doppler Ultrasonic Meter.18Example of a K Factor Curve.23TableSymbolsIndexesNumerical25Alphabetical2.iiiwith ASMENot for Resale