低β值喉部取压喷嘴在给水流量测量中的应用
, PP. 44-47
Keywords: 给水流量,测量,低β值,喉部取压,喷嘴,焊接结构
Abstract:
对焊接结构的低β值喉部取压长颈喷嘴用于给水流量测量的分析表明,采用经过校验后的焊接结构低β值喉部取压长颈喷嘴测量给水流量的不确定度≤0.25%,符合asmeptc6作为机组性能验收试验的要求,且具有宽量程、低能耗等特点。
References
[1] | asmeptc19.5-2004,flowmeasurement[s].
|
[2] | asmeptc6sreport1988(2003reaffirmed2003),procedureforroutineperformancetestsofsteamturbines[s].
|
[3] | bbornstein,kccotton.asimplifiedasmeacceptancetestprocedureforsteamturbines[j].transactionsoftheasmejournalofengineeringforpower,1982,104(1):224230.
|
[4] | benedictrp.generalizedfluidmeterdischargecoefficientbasedsolelyonboundarylayerparameters[j].asmejournalofengineeringforpower,1979,101(10):572575.
|
[5] | murdock,keyser.theoreticalbasisforextrapolationofcalibrationdataofptc6throattapnozzles[j].journalofengineeringforgasturbineandpower113:223241;april1991.
|
[6] | murdock,keyser.amethodforextrapolationofcalibrationdataofptc6throattapnozzles[j].journalofengineeringforgasturbineandpower,1991,113(4):223241.
|
[7] | asme/ansi.ptc6―1996,performancetestcode6onsteamturbines[s].
|
[8] | iso51673:2003,measurementoffluidflowbymeansofpressuredifferentialdevicesinsertedincircularcrosssectionconduitsrunningfullpart3:nozzlesandventurinozzles[s].
|
Full-Text