-13M_Edtn_2006.pdf

AN AMERICAN NATIO NAL STANDARDMeasurement of Fluid Flow in Closed Conduits:Tracer MethodsASME MFC-13M2006Copyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.ASME MFC-13M2006Measurement ofFluid Flow inClosed Conduits:Tracer MethodsAN AMERICAN NATIONAL STANDARDThree Park Avenue New York,NY 10016Copyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.Date of Issuance:February 12,2007This Standard will be revised when the Society approves the issuance of a new edition.There willbe no addenda issued to this 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 athttp:/cstools.asme.org 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 concerned interests have had an opportunity to participate.The proposed code or standard was madeavailable forpublic review andcomment thatprovides an opportunityfor additional publicinput from industry,academia,regulatory agencies,and the public-at-large.ASME does not“approve,”“rate,”or“endorse”any 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 assume 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 asgovernment 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 10016-5990Copyright 2007 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.Copyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.CONTENTSForeword.ivCommittee Roster.vCorrespondence With the MFC Committee.vi1Scope and Field of Application.12Symbols.13Units.14Method of Use.15Choice of Tracer.26Measuring Length and Adequate Mixing Distance.27Errors.48Extensions of the Methods.59Practical Application Notes.5Table1Symbols.2Nonmandatory AppendicesATypical Tracer Fluids.7BMixing Distances.9iiiCopyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.FOREWORDThis Standard defines the use of tracer(dilution)methods in the measurement of single-phasefluid(gas or liquid)flows in closed conduits.This method of measurement is applicable only tosingle-phase homogeneous fluid mixtures.This Standard was developed to fill the need for a generalized reference based on fundamentalprinciples to measure fluid flow using tracer methods.ISO standards issued in 1977 addressedtracer methods for gas flows;these were withdrawn in 2001,leaving a void on this subject.AnInternet search on this subject will find a large number of documents,standards,references,consultants,and manufacturers.Most of the papers,standards,and products are for very specificapplications and provide detailed guidance only for those needs.This Standard defines the termsand principles needed for intelligent consideration of tracer methods for any application.ASME MFC-13M2006 was approved by the American National Standards Institute onSeptember 29,2006.ivCopyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.ASME MFC COMMITTEEMeasurement of Fluid Flow in Closed Conduits(The following is the roster of the Co