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BS EN 15004-9-2008 固定式消防系统.气体灭火系统.IG-55灭火剂用气体灭火系统的物理性能和系统设计

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【英文标准名称】:Fixedfirefightingsystems-Gasextinguishingsystems-Part9:PhysicalpropertiesandsystemdesignofgasextinguishingsystemsforIG-55extinguishant
【原文标准名称】:固定式消防系统.气体灭火系统.IG-55灭火剂用气体灭火系统的物理性能和系统设计
【标准号】:BSEN15004-9-2008
【标准状态】:现行
【国别】:英国
【发布日期】:2008-10-31
【实施或试行日期】:2008-10-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:灭火剂;灭火设备;灭火器;内装式灭火器;灭火器具;灭火材料;消防;消防设备;气体的;气体;物理性能;人体保护;保护装置;安全工程;安全要求;规范(验收)
【英文主题词】:Extinguishingagents;Extinguishingequipment;Fireextinguishers;Fireextinguishers(built-in);Fireextinguishingapparatus;Fireextinguishingmaterials;Firefighting;Firefightingequipment;Gaseous;Gases;Physicalproperties;Protectionofpersons;Protectiveinstallation;Safetyengineering;Safetyrequirements;Specification(approval)
【摘要】:Thisdocumentgivesspecificrequirementsforgaseousfire-extinguishingsystems,withrespecttotheIG-55extinguishant.Itincludesdetailsofphysicalproperties,specification,usageandsafetyaspectsandisapplicabletosystemsoperatingatnominalpressureof150bar,200barand300barat15°C.Thisdoesnotprecludetheuseofothersystems;however,designdataforotherpressureswerenotavailableattimeofpublication.
【中国标准分类号】:C84
【国际标准分类号】:13_220_20
【页数】:16P.;A4
【正文语种】:英语


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Product Code:SAE ARP588
Title:Balancing Machines - Description and Evaluation Vertical, Single-Plane, Soft-Bearing Type for Gas Turbine Rotors
Issuing Committee:Eg-1a Balancing Committee
Scope:This SAE Aerospace Recommende Practice (ARP) specifies the requirements of balancing machines that make them suitable for the subject class of work. It was developed for soft-bearing balancing machines but may also be used for hard-bearing machines until ARP4050 is issued for that type of machine.【英文标准名称】:GasFlowbyMeansofCriticalFlowVenturiNozzles,Measurementof
【原文标准名称】:利用临界文氏流量喷嘴测量气体流量
【标准号】:ANSI/ASMEMFC-7M-1987
【标准状态】:现行
【国别】:美国
【发布日期】:1987
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ASME
【标准类型】:()
【标准水平】:()
【中文主题词】:流量测量
【英文主题词】:Flowcalculation;Flowmeasurements;Flowmeasuringtechniques;Gasflow;Gases;Massflowrates;Maximumvalue;Methodsformeasuring;Metric;Nozzleflowmeters;Nozzles;Venturimeters;Venturinozzles
【摘要】:ThisStandardappliesonlytothesteadyflowofsingle-phasegasesanddealswithdevicesforwhichdirectcalibrationexperimentshavebeenmade,sufficientinnumberandquantitytoenableinherentsystemsofapplicationstobebasedontheirresultsandcoefficientstobegivenwithcertainpredictablelimitsofuncertainty.Thecriticalflowventurinozzlesdealtwithcanonlybeusedwithinlimitsthatarespecified,forexamplenozzlethroattoinletdiameterratioandReynoldsnumber.ThisStandardspecifiesthegeometryandmethodofuse(installationandoperatingconditions)ofcriticalflowventurinozzlesinsertedinasystemtodeterminethemassflowrateofthegasflowingthroughthesystem.Italsogivesnecessaryinformationforcalculatingtheflowrateanditsassociateduncertainty.ThisStandardappliesonlytoventurinozzlesinwhichtheflowiscritical.Criticalflowexistswhenthemassflowratethroughtheventurinozzleisthemaximumpossiblefortheexistingupstreamconditions.Atcriticalfloworchokedconditions,theaveragegasvelocityatthenozzlethroatcloselyapproximatesthelocalsonicvelocity.InformationisgiveninthisStandardforcasesinwhich:(a)thepipelineupstreamoftheventurinozzleisofcircularcrosssection;or(b)itcanbeassumedthatthereisalargespaceupstreamoftheventurinozzle.TheventurinozzlesspecifiedinthisStandardarecalledprimarydevices.Otherinstrumentsforthemeasurementareknownassecondarydevices.ThisStandardcoversprimarydevices;secondarydeviceswillbementionedonlyoccasionally.
【中国标准分类号】:A50
【国际标准分类号】:17_120_10
【页数】:
【正文语种】:英语