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C-11_Edtn_2008.pdf

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1、FansAN AMERICAN NATIO NAL STANDARDASME PTC 11-2008Performance Test Codes(Revision of ASME PTC 11-1984)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 w

2、hen printed.FansFansASME PTC 11-2008ASME PTC 11-2008(Revision of ASME PTC 11-1984)A N A M E R I C A N N A T I O N A L S T A N D A R DPerformance Test Codes Performance Test Codes Copyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford Univer

3、sity User.No further reproduction or distribution is permitted.Uncontrolled when printed.Date of Issuance:December 8,2008 This Code will be revised when the Society approves the issuance of a new edition.There will be no addenda issued to PTC 11-2008.ASME issues written replies to inquiries concerni

4、ng interpretations of technical aspects of this document.Periodically certain actions of the ASME PTC Committee may be published as Code Cases.Code Cases and interpretations are published on the ASME Web site under the Committee Pages at http:/cstools.asme.org as they are issued.ASME is the register

5、ed trademark of The American Society of Mechanical Engineers.This code or standard was developed under procedures accredited as meeting the criteria for American National Standards.The Standards Committee that approved the code or standard was balanced to assure that individuals from competent and c

6、oncerned interests have had an opportunity to participate.The proposed code or standard was made available 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“endors

7、e”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 any items mentioned in this document,and does not undertake to insure anyone utilizing a standard against liability for infringement of

8、 any applicable letters patent,nor assumes any such liability.Users of a code or standard are expressly advised that determination of the validity of any such patent rights,and the risk of infringement of such rights,is entirely their own responsibility.Participation by federal agency representative

9、(s)or person(s)affiliated with industry is not to be interpreted as government or industry endorsement of this code or standard.ASME accepts responsibility for only those interpretations of this document issued in accordance with the established ASME procedures and policies,which precludes the issua

10、nce 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 Engineers Three Park Avenue,New York,NY 10016-5990 Copyright 2008 by TH

11、E AMERICAN SOCIETY OF MECHANICAL ENGINEERS All rights reserved Printed 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.iii CONTEN

12、TS Notice.vi Foreword.vii Committee Roster.ix Correspondence With the PTC 11 Committee.xi 1 Object and Scope.1 1-1 Object.1 1-2 Scope.1 1-3 Applicability.2 1-4 Uncertainty.2 2 Definitions of Terms,Symbols,and Their Descriptions.3 2-1 Symbols.3 2-2 Definitions.8 3 Guiding Principles.15 3-1 Introducti

13、on.15 3-2 Prior Agreements.15 3-3 Code Philosophy.15 3-4 System Design Considerations.18 3-5 Internal Inspection and Measurement of Cross Section.18 3-6 Test Personnel.19 3-7 Point of Operation.19 3-8 Method of Operation During Test.19 3-9 Inspection,Alterations,and Adjustments.19 3-10 Inconsistenci

14、es.20 3-11 Multiple Inlets or Ducts.20 3-12 Preliminary Test.20 3-13 Reference Measurements.20 4 Instruments and Methods of Measurement.22 4-1 General Considerations.22 4-2 Traverse Specifications.22 4-3 Barometric Pressure.29 4-4 Temperature.30 4-5 Moisture.30 4-6 Gas Composition.31 4-7 Pressure Se

15、nsing.31 4-8 Pressure Indicating.40 4-9 Yaw and Pitch.41 4-10 Rotational Speed.44 4-11 Input Power.44 5 Computation of Results.47 5-1 General Considerations.47 5-2 Correction of Traverse Data.47 5-3 Gas Composition.49 5-4 Density.52 Copyrighted material licensed to Stanford University by Thomson Sci

16、entific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.iv 5-5 Fluid Velocity.52 5-6 Mass Flow Rate.53 5-7 Flow-Weighted Averages.54 5-8 Fan Input Power.55 5-9 Fan Speed(Slip Method).55 5-10 Mass Flow Rate:Specific Energy Approach.55 5-11 Volume Flow Rate:Pressure Approach.57 5-12 Inlet Flow Distortion.59 5-13 Uncertainties.62 6 Report of Results.68 6-1 General Requirements.68 6-2 Executive Summary.68 6-3 Intr

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