1、ATMOSPHERICWATER COOLINGEQUIPMENTATMOSPHERICWATER COOLINGEQUIPMENTASME PTC 23-2003Revision of ANSI/ASME PTC 23-1986(R1997)An American National StandardC05503PERFORMANCE TEST CODESPTC 23-2003ASMECopyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by
2、Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.ANAMERICANNATIONALSTANDARDATMOSPHERICWATERCOOLINGEQUIPMENTASMEPTC23-2003REVISIONOFANSI/ASMEPTC23-1986(R1997)PERFORMANCETESTCODESCopyrighted material licensed to Stanford University by Thomson Scie
3、ntific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.Date of Issuance:November 10,2003This Standard will be revised when the Society approves the issuance of a new edition.There willbe no addenda issued to this
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5、anical 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
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10、ent 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 2003 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedP
11、rinted 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.vCommittee Roster.viCorrespondence with the PTC 23 Commit
12、tee.viiiIntroduction.ixSection 1 Object and Scope.11-1Object.11-2Scope.11-3Uncertainty.1Section 2 Definitions and Description of Terms.32-1Symbols.32-2Definitions.62-3Units.7Section 3 Guiding Principles.83-1Advanced Planning for Test.83-2Agreements Prior to Test.83-3Test Overview.83-4Preparation for
13、 Test.93-5Duration of Testing.93-6Stability of Test Conditions.103-7Readings.103-8Limitations.103-9Manufacturers Performance Curves.11Section 4 Instruments and Methods of Measurement.134-1General Requirements.134-2Measurement of Water Flow.134-3Measurement of Water Temperature.174-4Measurement of Ai
14、r Temperature.184-5Wind Velocity.204-6Tower Pump Head.214-7Measurement of Fan Power.214-8Measurement of Sound Level.224-9Measurement of Atmospheric Pressure.224-10Measurement of WSACC Pressure and Heat Load.224-11Water Analysis.224-12Measurement of Drift Loss.234-13Data Recording.23Section 5 Calcula
15、tions and Results.245-1General.245-2Water Flow.255-3Water Temperatures.265-4Air Temperatures.275-5Steam Condensing Temperature.275-6Air Velocity.275-7Tower Pumping Head.285-8Fan Power.285-9Atmospheric Pressure.295-10Thermal Capability.29iiiCopyrighted material licensed to Stanford University by Thom
16、son Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.5-11Plume Compliance.305-12Uncertainty.32Section 6 Report of Results.366-1Composition of Report.366-2Report Data.36Figures4-2.1Recommended Velocity Traverse Probe Positions.14Tables3-8Noncondensable Gas Load Limits.124-5.2Upper Level Wind Exponent.215-3Temperature Corrections.26Nonmandatory AppendicesAPerformance Monitoring.37BUltrasonic Flowmeters
