19-7_R1988_E1980.pdf

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.PART 7 Measurement of Shaft Power ANSI/ASME PTC 19.7-1980 INSTRUMENTS AND APPARATUS THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS United Engineering Center 345 East 47th Street New Vork,N.V.10017 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.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 Date of Issuance:August 31,1980 Copyright 01980 THE 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.FOREWORD The Performance Test Codes Supervisory Committee in December 1974 activated acommittee to revise PTC 19.7(1961)on Measurement of Shaft Power.This Instruments and Apparatus Technical Committee has prepared an Instruments and Apparatus Supplement which incorporates the latest technology on the Measurement of Shaft Power.The Scope of the work of PTC 19.7 on Measurement of Shaft Power is limited to descriptive material which will enable the user to select an appropriate system or procedure for his applica-tion.It includes criteria for the operating conditions of the equipment whose power is being measured.The Object of this Supplement is to describe the function,characteristics,advan-tages,disadvantages and accuracy of equipment and techniques currently available for the measurement of shaft power in rotating machines.Only the methods of measurement and instruments,including instructions for their use,specified in the individual test codes are mandatory.Other methods of measurement and instru-ments,that may be treated in the Supplements on Instruments and Apparatus,shall not be used unless agreeable to all the parties to the test.This Supplement was approved by the Performance Test Codes Supervisory Committee on July 2,1979.It was approved and adopted by the American National Standards Institute as meeting the criteria for an American National Standard on April 28,1980.Ill 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.PERSONNEL OF ASME PERFORMANCE TEST CODES COMMITTEE NO.19.7 ON INSTRUMENTS AND APPARATUS MEASUREMENT OF SHAFT POWER Hunt Davis,Chairman and Secretary Robert R.Piepho,Vice Chairman Arthur L.Beaman,Jr.,Fellow Design Engineer,Medium Motor and Gearing Division,Westing-Robert Clelland,Senior Principal Engineer,Rotating Equipment Section,Pullman Kellogg Divi-Hunt Davis,Senior Staff Engineer,Pullman Kellogg Division,Pullman,Inc.,Three Greenway Ralph Jaeschke,Chief Engineer,Eaton Corp.,Industrial Drives Division,3122 14th Avenue,Donald R.Jenkins,Associate Professor,Mechanical Engineering Department,Lafayette College,Irving I.Kahn,President,Kahn Industries Inc.,885 Wells Road,Wethersfield,Connecticut 06109 Douglas C.Folkner,Senior Test Engineer,Cameron Test Department,lngersoll Rand Co.,Phil-Richard A.Mayer,Senior Consultant,Applied Physics Division,Southwest Research Institute,Daniel Nobles,Research Engineer,Worthington Pump International,Harrison,New Jersey 07029 Robert R.Piepho,Product Manager,Fuel Preparation Systems,Fossil Power Generation Divi-sion,Babcock&Wilcox Co.,20 South Van Buren Avenue,Barberton,Ohio 44203 David E.Wood,Staff Engineer,Acoustics&Dynamics Measurements/Analysis Group,Union Carbide Corp.,P.O.Box 8361,South Charleston,West Virginia 25303 house Electric Corp.,P.O.Box 225,Buffalo,New York 14240 sion,Pullman,Inc.,Three Greenway Plaza East,Houston,Texas 77046 Plaza East,Houston,Texas 77046 Kenosha,Wisconsin 53141 Easton,Pennsylvania 18042 lipsburg,New Jersey 08865 6220 Culebra Road,San Antonio,Texas 78284 V 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.Personnel of the Performance Test Codes Supervisory Committee J.H.Fernandes,Chairman C.B.Scharp,Vice-Chairman D.W.Anacki R.P.Benedict K.C.Cotton W.A.Crandall R.C.Dannettel J.S.Davis V.F.Estcourt W.L.Garvin A.S.Grimes K.G.Grothues R.J orgensen E.L.Knoedler W.C.Krutzsch C.A.Larson A.Lechner P.Leung F.H.Light S.W.Lovejoy W.G.McLean J.W.Murdock L.C.Neale R.J.Peyton W.A.Pollock J.F.Sebald J.C.Westcott vi Copyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford Univers