Cryogenic Insulation Standard Data and … Extending some recent developments in the area of...

ABSTRACT

Extendingsomerecentdevelopmentsintheareaoftechnicalconsensusstandardsforcryogenicthermalinsulationsystems,apreliminaryInter-LaboratoryStudyoffoaminsulationmaterialswasperformedbyNASAKennedySpaceCenterandLeTourneauUniversity.TheinitialfocuswasambientpressurecryogenicboilofftestingusingtheCryostat-400flat-plateinstrument.CompletionofatestfacilityatLETUhasenableddirect,comparativetesting,usingidenticalcryostatinstrumentsandmethods,andtheproductionofstandardthermaldatasetsforanumberofmaterialsundersub-ambientconditions.Thetwosetsofmeasurementswereanalyzedandindicatethereisreasonableagreementbetweenthetwolaboratories.Basedoncryogenicboiloffcalorimetry,newequipmentandmethodsfortestingthermalinsulationsystemshavebeensuccessfullydeveloped.Theseboiloffinstruments(orcryostats)includebothflatplateandcylindricalmodelsandareapplicabletoawiderangeofdifferentmaterialsunderawiderangeoftestconditions.Testmeasurementsaregenerallymadeatlargetemperaturedifference(boundarytemperaturesof293Kand78Karetypical)andincludethefullvacuumpressurerange.Resultsaregenerallyreportedineffectivethermalconductivity(ke)andmeanheatflux(q)throughtheinsulationsystem.Thenewcryostatinstrumentsprovideaneffectiveandreliablewaytocharacterizethethermalperformanceofmaterialsundersub-ambientconditions.Proveninthroughthousandsoftestsofhundredsofmaterialsystems,theyhavesupportedawiderangeofaerospace,industry,andresearchprojects.Boilofftestingtechnologyisnotjustforcryogenictestingbutisacost-effective,field-representativemethodologytotestanymaterialorsystemforapplicationsatsub-ambienttemperatures.Thistechnology,whenadequatelycoupledwithatechnicalstandardsbasis,canprovideacost-effective,field-representative

................................................................................

AtStart:7 Current:8 AtEnd:9

AppliedResearch

Develop-ment

Demo&Test

TableofContents

AbstractTechnologyMaturityAnticipatedBenefitsRealizedBenefitsManagementTeamTechnologyAreasDetailedDescriptionU.S.LocationsWorkingonthisProjectDetailsforTechnology1

TechnologyMaturity

CompletedProject(2013-2014)

CryogenicInsulationStandardDataandMethodologiesProjectCenterIndependentResearch&Developments:KSCIRADProgram|MissionSupportDirectorate(MSD)

1 2 3 4 5 6 7 8 9

Formoreinformationvisittechport.nasa.govSomeNASAtechnologyprojectsaresmaller(forexampleSBIR/STTR,NIACandCenter

InnovationFund),andwillhavelesscontentthanother,largerprojects.Newlycreatedprojectsmaynotyethavedetailedprojectinformation. Printed7/27/2015

1122236

https://ntrs.nasa.gov/search.jsp?R=20150016085 2018-06-11T08:48:57+00:00Z

methodologytotestanymaterialorsystemforapplicationsatsub-ambienttocryogenictemperatures.Agrowingneedforenergyefficiencyandcryogenicapplicationsiscreatingaworldwidedemandforimprovedthermalinsulationsystemsforlowtemperatures.Theneedforthermalcharacterizationofthesesystemsandmaterialsraisesacorrespondingneedforinsulationteststandardsandthermaldatatargetedforcryogenic-vacuumapplications.Suchstandardshaveastrongcorrelationtoenergy,transportation,andenvironmentandtheadvancementofnewmaterialstechnologiesintheseareas.Inconjunctionwiththisproject,twonewstandardsoncryogenicinsulationwererecentlypublishedbyASTMInternational:C1774andC740.FollowingtherequirementsofNPR7120.10,TechnicalStandardsforNASAProgramsandProjects,theappropriateinformationinthisreportcanbeprovidedtotheNASAChiefEngineerasinputforNASA'sannualreporttoNIST,asrequiredbyOMBCircularNo.A-119,describingNASA'suseofvoluntaryconsensusstandardsandparticipationinthedevelopmentofvoluntaryconsensusstandardsandbodies.

ANTICIPATEDBENEFITS

ToNASAfundedmissions:

Tomakecryogensmorepracticaltostoreandtransfer,whetheronEarthorinspaceorotherdestinations,benchmarkthermalperformancedataareneeded.Toobtainsuchdata,standardapproaches,methodologies,andapparatusesarealsoneeded.Thisprojectaddressestheprobleminathreeprongedapproach:materialsscienceanddevelopment;testingmethodolgiesandequipment.Programsandprojectssupportedinclude,forexample:SLSvehicle,GameChangingTechnology-CryogenicCompositeTanks,AdvancedExplorationSystems-LiquidHydrogenandLiquidOxygenGroundOperationsDemonstrations,SBIR-materialsresearchprojects

2ConferencePapers2PeerReviewedPapers

2Publications

ManagementTeam

ProgramDirector:BurtonSummerfield

ProgramExecutive:KarenThompson

ProgramManager:NancyZeitlin

ProjectManager:PamelaMullenix

PrincipalInvestigator:JamesFesmire

Co-Investigator:AdamSwanger

(collaborationwithcompanies),CryogenicSpillProtectionforLNGCryofuelSystems,CIF-MultifunctionalStructuralThermalComposites,NIAC-LunarRegolithRegolith-DerivedHeatShield,etc.

ThisprojectisonepartofalargereffortthathasensuedsincethecompletionoftheNASAInternalResearchandDevelopment(IR&D)projectTechnologiestoIncreaseReliabilityofThermalInsulationSystemsfundedbytheSpaceOperationsMissionDirectorate(SOMD)in2004.

Thestandardreferencedatasetsproducedareavailableforcryogenicsystemsdesign,analysis,anddevelopment.Futuretechnicalconsensusstandardsareenvisionedforbothtestmethodsandmaterialspractices.Specifictestmethodswouldbeformulatedforcylindricalandflatplategeometriescoveringabsoluteandcomparativeapproaches,asrequiredbymutualindustryneeds.Standarddatasetsforspecificmaterialswouldthenbeproducedthrougharoundrobinofcryogenictestingamonglaboratories,thusenablingnewstandardmaterialpractices.

ToNASAunfunded&plannedmissions:

ExistinginformationcombinedwiththelatestresearchtestdatahasbeenorganizedtohelpsolvetheproblemspresentedbythethermalenvironmentsoftheEarth,launchascent,Moon,andMars.TheCryogenicsTestLaboratoryatNASAKennedySpaceCenterhasproducedmuchnewinformationoncryogenicandvacuumenvironmentsincludinghighvacuum(MoonorEarthorbit),softvacuum(Marsorlaunchascent),andnovacuum(Earthatmospherewithorwithouthumidity).Thematerialsincludemultilayerinsulation,aerogelblankets,aerogelbulk-fill,foams,composites,andmanyotherconstructions.

TechnologyAreas

Ground&LaunchSystemsProcessing(TA13)

LaunchPropulsionSystems(TA1)In-SpacePropulsionTechnologies(TA2)SpacePower&EnergyStorage(TA3)HumanHealth,LifeSupport&HabitationSystems(TA6)HumanExplorationDestinationSystems(TA7)Nanotechnology(TA10)Materials,Structures,MechanicalSystems&Manufacturing(TA12)ThermalManagementSystems(TA14)

Toothergovernmentagencies:

Energyuse,efficiency,conservation,andalternativesarecriticaltothefutureonEarthandinspace,only10%oftotalusagehastodowithelectricalenergywhile90%isthermalenergy!Tohavebasicinformationonlow-temperaturethermalinsulationisanenablingandcross-cuttingbenefitforNASAandindustrialneedsnationwideandonaglobalscale.Cryogenicinsulationrequirementsarespreadthroughoutpropulsion,airframe,architecture,andlaunchsystems.Historically,programshaveassumedotherswouldcoverthisworkorthattheworkwouldbecoveredbyanotherrelatedsystemarea.Theworkisdisciplineadvancingandthedevelopmentofstandardshasthepotentialtobenefitmanyprogramsandprojects.Theworkaddressesissuescommontopropulsion,lifesupport,power,andscience(refrigeration)systems,includingflight,in-space,andsurfacesystems.ProjectadvancesbothNASA-widerequirementsandNationaldirectivesbydevelopingstandarddataandtestingforcryogenicinsulationmaterials.StrategicpartnershipsensuremaximumbenefittoNASAobjectivesfortechnologyadvancement,engineeringinformation,andtechnicalcapabilities.

Tothecommercialspaceindustry:

Whatisthepoint?Newthermalmaterialsandthermalmanagementsystemsareneededforfuturespacelaunchvehiclesandthespaceexplorationenterprise.Thiscriticalareaofnewtechnologyisnowinacompetitivegloballaunchmarket.Thermalinsulationmustbeconsideredasanintegratedsystem,notmerelyanadd-onelement.Theendofinsulationasabolt-onelementistheunderlyingthemeofthisR&Dproject.Developmentofthermalinsulationsystemstechnologyshouldproceedfrombasicunderstandingofbothhightemperatureandlowtemperaturerequirements(hotside+coldside)aswellasstructuralandthermalrequirements.Toaddressthetotalenergyefficiencypictureofanycomplexspacehardwaresystemthedevelopmentmustalsoconsiderbothactivesystemssuchascryocoolersandpassivesystemssuchasfoammaterials.Multifunctionalthermalinsulationsystemsareakeytotechnologicaladvancementsthatcanbeachievedbyconsideringmaterials,testing,andengineeredapplications.

Tothenation:

Theneedforpracticalthermalconductivitydataforcryogenicapplicationscontinuestogrowinareassuchasoil&gas,electricalpower,refrigeratedtransport,aerospace,aircraft,groundtransportation,industrialprocesses,semi-conductormanufacturing,andmanyothers.Newmaterials,forexample,aerogelblankets,aerogelbulk-fill,glassbubbles,polyimidefoams,arenowcommerciallyavailableandarebeingappliedforlow-temperatureinsulationsolutionsandbroad

industrialapplication.Newmultilayerandcompositeinsulationmaterialshavealsobeendevelopedforhighlevelsofthermalperformancetomeetthegrowingdemandsforenergyefficiencyandenvironmentalresponsibilityintoday’seconomy.

Respondingtohighlevelobjectivesinbothenergyefficiencystandardsandtechnicalconsensusstandards,thisprojectadvancesbothNASA-widerequirementsandNationaldirectivesbydevelopingstandarddataandtestingforcryogenicinsulationmaterials.StrategicpartnershipsensuremaximumbenefittoNASAobjectivesfortechnologyadvancement,engineeringinformation,andtechnicalcapabilities.TherelevantAgencyandFederaldirectivesandinitiativesarelistedasfollows:

1.OMBCircularNo.A-119,FederalParticipationinDevelopment&UseofVoluntaryConsensusStandards&inConformityAssessmentActivities

2.MemorandumfortheHeadsofExecutiveDepartmentsandAgencies(2012)

3.TechnicalStandardsforNASAProgramsandProjects,NPR7120.10(2011)

4.TheU.S.MaterialsGenomeInitiative(2011)

Thisprojecthasenabledthedevelopmentandpublicationoftwonewinternationalstandardsonthesubjectofbelow-ambient(andcryogenic)thermalinsulationsystems,materials,andtesting.

Thermalinsulationplaysasignificantandsometimesenablingroleincryogenicsystems.TheemergingcryofuelsenterprisesincludingLNGandLH2areaparticularchallengeduetothetransienttypeoperationalprocessestobeaddressesandthecompetitiveeconomictargetstobemet.Thenewtechnicalconsensusstandardsarebutonesteptowardprovidingstandardthermalperformancedatatosupportthedesignpracticesforcryogenicsystems.Benchmarkthermalperformancedataprovidedbythenewpatentedtestinstruments,includingeffectivethermalconductivityandheatflux,canultimatelybeusedtocalibratecomparativetypeinstrumentsandsupportdetailedstudiesofinsulationsystemdesignsforspecificapplications.Atleast10futuretechnicalconsensusstandardsareplannedforbothtestmethodsandmaterialspracticestosupportthecryogenicindustryandfurthertheproliferationofnewindustrialopportunitiesintheareasoftransportationandenergy.

DETAILEDDESCRIPTION

Althoughsomestandardsexistforthermalinsulation,fewaddressthesub-ambienttemperaturerangeandcold-sidetemperaturesbelow100K.Standardsforcryogenicinsulationsystemsrequirecryostattestinganddataanalysisthatwillallowthedevelopmentofthetoolsneededbydesignengineersandthermalanalystsforthedesignofpracticalcryogenicsystems.Thus,thiscriticallyimportantinformationcanprovidereliabledataandmethodologiesforindustrialefficiencyandenergyconservation.

TheneedsfortechnicalstandardsforthermalinsulationsystemsaregrowingintheUSandworldwide.Energyefficiencyandconservationneeds--ofwhichthermalinsulationsystemsareakeypart--areatoppriorityforeconomic,nationalsecurity,andtechnologicalconcerns.Theemphasisontechnicalconsensusstandardsisacleardirectivefrombothgovernmentpolicyandmarketeconomicdrivers.

Summarizedherearethemostrecentandrelevantgovernmentpolicydirectivestoencouragetechnicalstandardsdevelopmentandenergyefficiencytechnologyimplementation.ThereferencefederalagencyisNASAandthetargetsubjectareaisthermalinsulationsystemsforlow-temperatureapplications.Hereisalistoftherelevantdocuments:

1. OMBCircularNo.A-119,FederalParticipationintheDevelopmentandUseofVoluntaryConsensusStandardsandinConformityAssessmentActivities.

2. MemorandumfortheHeadsofExecutiveDepartmentsandAgencies,documentM-12-08datedJanuary17,2012.

3. NPR7120.10,TechnicalStandardsforNASAProgramsandProjects,EffectiveDate:April22,2011.

OnFebruary4,2011,thePresidentreleasedAStrategyforAmericanInnovation:SecuringOurEconomicGrowthandProsperityanddirectedFederalagenciestoincreasetheireffortstocatalyzetechnologybreakthroughstoadvancenationalpriorities.PursuanttotheStrategyforAmericanInnovation,theOfficeofScienceandTechnologyPolicy(OSTP),theOfficeofManagementandBudget(OMB),andtheOfficeoftheUnitedStatesTradeRepresentative(USTR)aretheMemorandumfortheHeadsofExecutiveDepartmentsandAgencieswasissuedtoclarifyprinciplesguidingFederalGovernmentengagementinstandardsactivitiesthatcanhelpaddressnationalpriorities.

ThisR&Dprojectwasformulatedinresponsetotheseagencyandnationalobjectivesfortechnical

standards.ApreliminaryInter-LaboratoryStudyoffoaminsulationmaterialswasconductedbyNASAKennedySpaceCenter(KSC)andLeTourneauUniversity(LETU).Theinitialfocuswasambientpressure(novacuum)cryogenicboilofftestingusingtwoidenticalCryostat-400flat-plateinstruments.CompletionofanewtestfacilityatLETUhasenabledcomparativetesting,usingsimilarmethods,andtheproductionofstandardthermaldatasetsforcellularglassinsulationmaterialundercryogenicconditions.TestmeasurementsweremadeatbothKSCandLETUforcomparativeanalysis.Theresultsshowreasonableagreementbetweenthetwolaboratories.Theseinitialmeasurementsweremadeattheapproximateboundarytemperaturesof293Kand78K,theresultsofwhicharereportedincomparativeeffectivethermalconductivity(comparativeke)andmeanheatflux(q).

Themainchallengeistheproductionofstandardizedthermaldatasetsforcryogenicinsulationmaterialsandsystems.Thisprojecttookupthechallengeandmadeprogressinthreeways.Thefirstwastoproduceacatalogedsetofreferencetestspecimensofcellularglassmaterial.Othermaterialshavebeenidentifiedforfuturereferencetestspecimens.Secondwastoconductapreliminaryinterlaboratorystudyofthecellularglassmaterialusingthesameequipmentandmethods(Cryostat-400instrument).Thethirdwaywastoshowthepracticalityofusingboiloffcalorimetrytoobtainthermaldataforstack-upsofdifferentmaterials(compositepanelsandinsulationmaterialsalike).Theboiloffmethod,beingadirectmeasureofheatenergy,provideseffectivetestsolutionswhereotherexistingcommercialmethodsfallshortorarenotpossible.

Inconjunctionwiththisproject,twonewstandardsoncryogenicinsulationwererecentlypublishedbyASTMInternational:C1774andC740.FollowingtherequirementsofNPR7120.10,TechnicalStandardsforNASAProgramsandProjects,theappropriateinformationinthisreportcanbeprovidedtotheNASAChiefEngineerasinputforNASA'sannualreporttoNIST,asrequiredbyOMBCircularNo.A-119,describingNASA'suseofvoluntaryconsensusstandardsandparticipationinthedevelopmentofvoluntaryconsensusstandardsandbodies.Furtherstandardsintheareaofcryogenicinsulationsystemshavebeentargetedforfuturedevelopment.

ThisprojectinvolvedanumberoftasksthatweresynergeticwithotherprojectsunderAdvancedExplorationSystems,CenterInnovationFund,GameChangingTechnology,andothers.ComplianceissuesassociatedwithPVSsystemsrequirementswasamajorhitonresourcesin2013thusmakingthisleveragingamongprojectscrucialforthiswork.ThreeNewTechnologyReports,threepeer-reviewedpublications,andonefullpatentapplicationwerealsoproducedinconjunctionwiththisproject.Additonalpublicationsandpatentsarepending.

U.S.StatesWithWork LeadCenter:KennedySpaceCenter

U.S.LOCATIONSWORKINGONTHISPROJECT

SupportingCenters:

AmesResearchCenterGlennResearchCenterMarshallSpaceFlightCenter

OtherOrganizationsPerformingWork:

LetourneauUniversity(Longview,TX)

PROJECTLIBRARY

ConferencePapers

Cylindricalboiloffcalorimetersfortestingofthermalinsulations(https://techport.nasa.gov:443/file/16549)

Flatplateboiloffcalorimetersfortestingofthermalinsulationsystems(https://techport.nasa.gov:443/file/16550)

PeerReviewedPapers

Cryogenicinsulationstandarddataandmethodologies(https://techport.nasa.gov:443/file/16551)

StandardizationinCryogenicInsulationSystemsTestingandPerformanceData(https://techport.nasa.gov:443/file/16552)

Publications

ASTMC1774-StandardGuideforThermalPerformanceTestingofCryogenicInsulationSystems

(http://www.astm.org/Standards/C1774.htm)

ASTMC740-StandardGuideforEvacuatedReflectiveInsulationInCryogenicService(http://www.astm.org/Standards/C740.htm)

ContributingPartners:

NISTLetourneauUniversityUniversityofCentralFlorida(UCF)ASTMInternational

DETAILSFORTECHNOLOGY1

TechnologyTitle

Cryogenicthermalinsulationsystems

TechnologyDescription

Thistechnologyiscategorizedasahardwaresystemforgroundscientificresearchoranalysis

Thecloserelationshipbetweenindustrialenergyuseandcryogenicsdrivestheneedforoptimizedthermalinsulationsystems.Emergingcryofuelsusageisenabledbyadequateisolationoftheliquidhydrogenorliquefiednaturalgasfromtheambientenvironment.Thermalperformancedataforthetotalinsulationsystem,asrendered,areessentialforbothengineeringdesignsandcost-benefitdecisionsinvolvingcomparisonsamongalternatives.Thesedataareobtainedthroughrigoroustestingwithsuitableapparatusandrepeatablemethods.Properlydefinedterminology,analysis,andreportingarealsovital.AdvancesincryogenicinsulationtestapparatusandmethodshaveledtotherecentadditionoftwonewtechnicalstandardsofASTMInternational:C1774-StandardGuideforThermalPerformanceTestingofCryogenicInsulationSystemsandC740-StandardGuideforEvacuatedReflectiveCryogenicInsulation.Amongthedifferenttechniquesdescribedinthenewstandardsisthecylindricalboiloffcalorimeterforabsoluteheatmeasurementoverthefullrangeofvacuumpressureconditions.Thedetailsofthisapparatus,testmethod,anddataanalysisaregiven.Benchmarkthermalperformancedata,includingeffectivethermalconductivity(ke)andheatflux(q)fortheboundarytemperaturesof293Kand77K,aregivenforanumberofdifferentmultilayerinsulation(MLI)systemsincomparisonwithdataforothercommonly-usedinsulationsystemsincludingperlitepowder,fiberglass,polyurethanefoam,andaerogels.

CapabilitiesProvided

ThroughASTMInternational,CommitteeC16onThermalInsulation,twonewstandardswererecentlypublished:ASTMC1774-StandardGuideforThermalPerformanceTestingofCryogenicInsulationSystems(2013)andASTMC740-StandardGuideforEvacuatedReflectiveCryogenicInsulation(2014).Bothstandardsarecomprehensiveguidesthatprovidethenecessaryterminology,analyticalapproaches,andreportingrequirementsforthetechnologyareaofcryogenicinsulationsystems.Advancesintestapparatus,methods,andmaterialshaveprovidedafoundationforthesenewstandards.

TheC1774Guidecoversdifferentapproachestobothboiloffcalorimetryandelectricalpowermethodsofforthermalperformancemeasurementinsub-ambienttemperatureenvironments.Thetestapparatuses(apparatus)designedforthesepurposesaredividedintotwocategories:boiloffcalorimetryandelectricalpower.Bothabsoluteandcomparativeapparatusesmethodsareincluded.Thesetestingapproachesmethodsareapplicabletothemeasurementofawidevarietyofspecimens,rangingfromopaquesolidstoporousortransparentmaterials,andawiderangeofenvironmentalconditionsincludingmeasurementsconductedatextremesoftemperatureandwithvariousgasesandoverarangeofpressures.Ofparticularimportanceistheabilitytotesthighlyanisotropicmaterialsandsystemssuchasmultilayerinsulation(MLI)systems.Theguideprovidesinformationforthelaboratorymeasurementofthesteady-statethermaltransmissionpropertiesandheatfluxofthermalinsulationsystemsundercryogenicconditions.Thermalinsulationsystemsmaybecomposedofoneormorematerialsthatmaybehomogeneousornon-homogeneous;flat,cylindrical,orspherical;atboundaryconditionsfrom4to400K;andinenvironmentsfromhighvacuumtoanambientpressureofairorresidualgas.Akeyaspectofthisguideisthenotionofaninsulationsystem,notaninsulationmaterial.Underthepracticaluseenvironmentofmostcryogenicapplicationsevenasingle-materialsystemcanstillbeacomplexinsulationsystem.

TheC740guidecoversthebaselineheatfluxorthermalconductivitydata,performanceconsiderations,typicalapplications,manufacturingmethods,materialspecification,andsafetyconsiderationsintheuseofMLIsystemsincryogenicservice.Thetechnologyofevacuatedreflectiveinsulation,orMLI,firstcameaboutinthe1950sand1960sprimarilydrivenbytheneedtoliquefy,store,andtransportlargequantitiesofliquidhydrogenandliquidhelium.MLIsystemsofteninvolvewarmboundarytemperaturesintherangeof300Korhigherandcoldboundarytemperaturesrangingfrom4Kto111K,butanytemperaturebelowambientisapplicable.Insulationsystemsofthisconstructionareusedwhenheatfluxvalueswellbelow10W/m2areneededforanevacuateddesign.Heatfluxvaluesapproaching0.1W/m2arealsoachievable.Forcomparisonamongdifferentsystems,aswellasforspaceandweightconsiderations,theeffectivethermalconductivityofthesystemcanbecalculatedforaspecifictotalthickness.Effectivethermalconductivitiesoflessthan1mW/m-K[R-value143]aretypicalandvaluesontheorderof0.01mW/m-Khavebeenachieved[R-value14,300].Thermalperformancecanalsobedescribedintermsoftheeffectiveemittanceofthesystem,orΕe.Thesesystemsaretypicallyusedinahighvacuumenvironment(evacuated),butsoftvacuumornovacuumenvironmentsarealsoapplicable.Aweldedmetal,vacuum-jacketed(VJ)enclosureisoftenusedtoprovidethevacuumenvironment.MLIsystemsaregenerallyusedwhenlowerheatleakageratesthanthoseobtainedwithotherevacuatedinsulationsarerequired.Otherevacuatedinsulationsinclude,forexample,

perlitepowder,glassbubbles,oraerogelbulk-fill,whichcanprovideheatfluxvaluesintherangeof5to20W/m2.ThechoiceforanMLIsystemmaybedictatedbythevalueofthecryogenicfluidbeingisolatedorbyweightorthicknesslimitationsimposedbytheparticularapplication.Applicationsgenerallyfallintothefollowingcategories:storage,transfer,thermalprotection,andlow-temperatureprocesses.Verylowtemperature(4Kandbelow)refrigerationforlarge-scalesuperconductingmagnets,RFcavities,andotherdevicesisamajortechnicalcapabilityforbasicphysicsresearchworld-wide.

PotentialApplications

Potentialapplicationsinlcudebroadusageintheareasoftransportation,energy,coldchainshippingoffoodsandpharmaceuticals,buildingconstruction,thermalmanagementsystems,andgeneralmaterialsscienceresearch.Futuretechnicalconsensusstandardsareenvisionedforbothtestmethodsandmaterialspractices.Specifictestmethodswouldbeformulatedforcylindricalandflatplategeometriescoveringabsoluteandcomparativeapproaches,asrequiredbymutualindustryneeds.Standarddatasetsforspecificmaterialswouldthenbeproducedthrougharoundrobinofcryogenictestingamonglaboratories,thusenablingnewstandardmaterialpractices.Energyefficiency,systemcontrol,andoperationalsafetyareinter-relatedaspectsofdecidingthebestthermalinsulationsystemforaparticularapplication.TheemergingcryofuelsenterprisesincludingLNGandLH2areaparticularchallengeduetothetransienttypeoperationalprocessestobeaddressesandthecompetitiveeconomictargetstobemet.

PerformanceMetrics

Metric Unit Quantity

HeatFlux W/m2 1

ThermalConductivity mW/m-K 0.1

Cryogenic Insulation Standard Data and … Extending some recent developments in the area of...

Documents

Transcript of Cryogenic Insulation Standard Data and … Extending some recent developments in the area of...

Integrated Insulation System for Automotive Cryogenic ... · Integrated Insulation System for Automotive Cryogenic Storage Tanks Team: ... heat loss through each element and,

Premium Cryogenic Perlite · cryogenic perlite insulation works for LNG, LPG, Ethylene, Propylene, Butane, Propane, LOX, LIN, LAR, Ammonia, Air Separation Units (ASU) and other cryogenic

VIBRATION CONSIDERATIONS FOR CRYOGENIC TANKS USING … · VIBRATION CONSIDERATIONS FOR CRYOGENIC TANKS USING GLASS BUBBLES INSULATION R.W. Werlink, J. E. Fesmire, and J. P. Sass NASAKennedy

SHRIDHAN CATLOGUE V 16 · Thermal Insulation / Cryogenic Insulation / Liquid-Gas Versions / Heat / Steam-Tracing Options An effective replacement for traditional Glass gauges & Displacer

CRYOGENIC INSULATION TECHNOLOGY - MGI THERMOmgithermo.com/pdf/MGI-Thermo-Cryogenic-Insulation.pdf · of MOSS tank insulation From spot-repair to full upgrade and 0-hour refurbishment

LNG SHIP INSULATION EXPERIMENTS USING … SHIP INSULATION EXPERIMENTS USING LARGE LNG POOL ... (cryogenic to fire fluxes) impacts, asphyxiation, explosion, drowning, and aviation operations

ADVANCED CRYOGENIC INSULATION SYSTEMS

Cryogenic Multi-layered Insulation F AWS 06)&Ã Cryogenic Multi-layered Insulation Seam Studies and Experiments Justin P. Elchert Wesley L. Johnson NASA Glenn Research Center Thermal

Test Method for Measuring Insulation Values of Cryogenic Pipes

YOUR GUIDE TO CRYOGENIC INSULATION Paper and Tape... · 2020. 8. 21. · YOUR GUIDE TO CRYOGENIC INSULATION We bring extensive knowledge, great service and proven performance levels

Online cryogenic spares from ICEoxford Ltd is an established online cryogenic spares service from ... tapes, solders, insulation materials, safety equipment, all necessary items for

Cryogenic Guide v3 - Herose Limited paper and aluminium foil insulation material since the 1950’s cryogenic insulation history minimising heat flow through double walled

DEDICATED CRYOGENIC INSULATION SYSTEM FOR LOW …

Cryogenic Thermal Insulation Systems - Fermilablartpc-docdb.fnal.gov/0002/000217/001/Cryogenic_Insulation... · Aug 2005 CryoTestLab 1 Cryogenic Thermal Insulation Systems 16th Thermal

Cryogenic Thermal Insulation Systems - LArTPC Document Database

DUNA products for industrial insulation Hot, Cold and ... products for industrial insulation Hot, Cold and Cryogenic Chemicals for in situ application LNG insulation Insulated pipe

Thermal Insulation Products - RUAG€¦ · Thermal Insulation Products 3 Contents Vacuum Thermal Insulation Thermal Components 4 Cryogenic Insulation (COOLCAT Line) 5 COOLCAT 2 NW

Cryogenic Guide v3 - herose.co.uk · CRYOGENIC INDUSTRY INSIGHTS. YOUR GUIDE TO CRYOGENIC INSULATION We bring extensive knowledge, great ... CUSTOMERS ACHIEVE THEIR GLOBAL OBJECTIVES.

DISCOVER CRYOGENIC PROCESSINGcryogenic.info/wp-content/uploads/2016/06/Discover-Cryo-Processing... · discover cryogenic processing extending life for metal components while reducing

Cryogenic Insulation Technology