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1、7708d_lab_L1-L349/4/018:26AMPageL-1mac106mac106:1st_Shift:7708d:LabProblemsThissectioncontainsend-of-the-chapterproblemsthatinvolvedataobtainedfromvarioussimplelaboratoryexperiments.Theselabproblemsforanychaptercanbeobtainedbyclick-ingonthedesiredchapternumberbelow.Theproblemstatementsinvolvethe
2、objectiveoftheexperiment,theequipmentused,theexperimentalprocedureinvolved,andadiscussionofthecalculationsnecessarytoobtainthedesiredresults.Thegoalofeachproblemistopresentthefinalresultsingraphicalform.Therawdataforeachproblemcanbeobtainedbyclickingonthepromptinthedatasectionoftheprob-lemstatem
3、ent.ThesedataarethengivenasapageintheEXCELprogramsothatthenec-essarycalculationsanddataplottingcanbedoneeasilyonthecomputer.Chapter1Chapter2Chapter3Chapter5Chapter7Chapter8Chapter9Chapter10LabProblemsforChapter11.90FluidCharacterizationbyUseofaStormerViscometerObjective:AsdiscussedinSection1.6,s
4、omefluidscanbeclassifiedasNewtonianflu-ids;othersarenon-Newtonian.Thepurposeofthisexperimentistodeterminetheshearingstressversusrateofstraincharacteristicsofvariousliquidsand,thus,toclassifythemasNewtonianornon-Newtonianfluids.Equipment:Stormerviscometercontainingastationaryoutercylinderandarota
5、ting,concentricinnercylinder(seeFig.P1.90);stopwatch;driveweightsfortheviscometer;threedifferentliquids(siliconeoil,Latexpaint,andcornsyrup).ωRotatinginnercylinderWOutercylinderDriveweightFluidFIGUREP1.90L-17708d_lab_L1-L348/8/011:12PMPageL-2L-2LabProblemsExperimentalProcedure:Fillthegapbetwee
6、ntheinnerandoutercylinderswithoneofthethreefluidstobetested.Selectanappropriatedriveweight(ofmassm)andattachittotheendofthecordthatwrapsaroundthedrumtowhichtheinnercylinderisfastened.Releasethebrakemechanismtoallowtheinnercylindertostarttorotate.(Theoutercylinderremainsstationary.)Afterthecylind
7、erhasreacheditssteady-stateangularvelocity,measuretheamountoftime,t,thatittakestheinnercylindertorotateNrevolutions.Repeatthemeasurementsus-ingvariousdriveweights.Repeattheentireprocedurefortheotherfluidstobetested.Calculati
