NASA,Rockets,andtheInterna3onalSpaceSta3on

Tipsandtricksonge9ngyourdreamjobBrandonMarsell

https://ntrs.nasa.gov/search.jsp?R=20150023599 2018-05-29T23:49:41+00:00Z

Whoisthisguy?

•  BrandonMarsell– FluidDynamicsEngineer– NASALaunchServicesProgram– KennedySpaceCenter

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•  StetsonUniversity– BachelorofScienceinPhysics– QuantumMechanicstrack– 2003–2007

•  EmbryRiddleAeronau3calUniversity– Master’sofscienceinAerospaceEngineering– Aerodynamics/CFDtrack– 2007-2009

Educa3on

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Experience•  6yearsexperiencewithLaunchVehicles

(Rockets)•  AerospaceengineerforQine3Q-NA

–  Hiredin2009–  ELVIScontract

•  AerospaceEngineerforaisolu3ons–  2012–  ELVISIIcontract

•  HiredbyNASAasacivilserviceemployeein2013

•  Startedmyowncompany–  2013–  FreedomEngineering

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Missions

•  IhaveservedasNASA’sprimaryfluidsengineeronthefollowingmissions– RBSP– MMS– MSL–  JUNO

•  Specialprojects–  ISSExperiment

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•  Whatwasthisrocketcalled?

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Ques3on1

NASA•  Ques3onIgetaskedthemost

– Didn’ttheyshutdownNASA?

– NASAisverymuchaliveandwell7

WhatisNASA?

•  NASAisagovernmentagencyjustlike–  FDA–  FBI– ATF– USDA– Andmanymore

•  Thoughrecentlymostagencieshaveseentheirbudgetsshrink,NASA’sbudgetisfairlystable

•  NASA’s2013budgetwas~$18Billion8

WhocanworkatNASA?•  Anyone!•  NASAhasmanycentersalloverthecountryandneedsmanydifferentskills–  Engineering–  Accoun3ng–  Aiorneys–  Projectmanagers–  Computerprogrammers– Writers–  Publicrela3ons–  Humanresources–  Andmanymore

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AMESResearchCenter

•  LocatedinSanJose,CA•  HousessomeofNASA’smostpowerfulsupercomputers

•  Hashugewindtunnels•  Providessupportofmanyspaceandaeronau3csprograms

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JetPropulsionLaboratory

•  LocatedinPasadena,CA•  BuildsandoperatesmanyofNASA’srobo3cmissions–  Curiosity(MSL)–  Cassini-Huygens– MarsExplora3onRoverOpportunity

– MarsReconnaissanceOrbiter–  JUNO– more

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JohnsonSpaceCenter

•  LocatedinHouston,TX•  ISSmissioncontrol•  Astronauttraining

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StennisSpaceCenter

•  BaySaintLouis,MS•  NASA’slargestrocketenginetestfacility

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MarshallSpaceFlightCenter•  LocatedinHuntsville,AL•  LargestNASAcenter•  LeadcenterfordesignofApollo,SpaceShuile,Interna3onalSpaceSta3on,andSLSrocket

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GlennResearchCenter

•  LocatedinCleveland,Ohio•  Developsscienceandtechnologyforuseinaeronau3csandspace

•  Cu9ngedgeresearchonjetenginesandinspacepropulsion

•  Largevacuumchambers

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LangleyResearchCenter

•  LocatedinLangley,VA•  Operatesmanywindtunnels•  Focusesonaeronau3calresearch

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ArmstrongFlightResearchCenter•  LocatedattheEdwardsairforcebase,CA

•  Leadcenterforaeronau3cstes3ng•  Testssomeofthemostadvancedaircralintheworld

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GoddardSpaceFlightCenter•  Greenbelt,MD•  Developsmanyunmannedscien3ficspacecral

•  ProvidesmanagementformanyNASAsciencemissions

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NASAHeadquarters

•  LocatedinWashingtonDC•  Interfaceswiththerestofthegovernment•  Businessandmanagement

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KennedySpaceCenter

•  CapeCanaveral,FL•  Leadcenterforlaunchingvehicles•  Bestcenterever!

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Ques3on2

•  Whoisthisguy?

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With the goal of ensuring mission success

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LSP’sCustomers

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EndtoEnd Advisory

LSP’sCurrentFleet

Potential/Emerging Vehicles

Pegasus AtlasV

Falcon9

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AthenaIc AthenaIIcDeltaIV

DeltaII

Antares

Launch Sites

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FalconHeavy

AthenaIIIStratolauncher

VGLauncherOneBlueOrigin

CubeSat

HighAl:tudeDemonstra:onMissions

StudentLaunchSystemIni:a:ve

LSPEnablesHumanExplora3onLaunchServicesProgram HumanExplora3on

SIRTFOSIRIS-REX

MarsRover-Spirit

Curiosity

HumanSpaceFlightLSPinvestincollaborateswith…

Advisory

CommercialResupplyServices(CRS)

Explora3onFlightTest-1

CommercialCrewProgram

MMS–Magnetospheric

Mul3Scale

SMAP–SoilMoistureAc3ve

Passive

Jason-3

2015

GOES-R–Geosta3onaryOpera3onalEnvironmentalSatellite

2016

OSIRIS-Rex-OriginsSpectralInterpreta3onResourceIden3fica3on

SecurityRegolithExplorer

JPSS-1–JointPolarSatelliteSystem

2015–2016ManifestOutlook

InteriorExplora3onusingSeismicInves3ga3ons,GeodesyandHeatTransport

CycloneGlobalNaviga3onSatellite

System

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Ques3on3

•  Whoisthisguy?

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WhatdoIdo

• NASANASAheadquarters,DC

KennedySpaceCenterLaunchServicesProgram

MissionAnalysisDivisionEnvironmentsandLaunchApprovalBranch

FluidsGroupBrandon

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FluidsGroup

•  Thisisoneofthesmallergroupsconsis3ngof4engineers

•  Responsibleforanyfluiddynamicsrelatedanalysesrequiredduringthelaunchintegra3onprocess

•  Itreallyis“rocketscience!”– Sowhatdoesthismean?

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Example1•  Compartmentven3ng

–  Astherocketincreasesinal3tude,theairpressuredecreases(preiyquickly)

–  Howdoyoumakesurethepressureinsidedoesn’tcausethefairingtobreakopen?

–  Thefairingshaveventholes–  Werunalargesetofanalysesthatpredictthepressureinsidethefairingduringtheascent

–  Thesepredic3onsensurethepayloadwontbedamagedfromdepressurizingtooquickly/slowly

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Image:ULAAtlasVUser’sGuide(hip://www.ulalaunch.com/uploads/docs/

AtlasVUsersGuide2010.pdf)

Example2•  Payloadssi9nginsidethefairingaresuppliedwithaircondi3oningtoensuretheyremaindryandcoolastheywaitforlaunch

•  Somepayloadshavestringentcoolingrequirements(likeonbaieriesetc…)thatdriveustorunsophis3catedComputa3onalFluidDynamics(CFD)analysestopredictheattransfercoefficientsandairtemperatures

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Example3•  BeforeNASAentrustsaprivate

companywithamul3-million(some3mesbillion)dollarspacecral,LSPmustcer3fythevehicle

•  LSPpoursovermanyengineeringdocumentstoensuretherocketissafeandreliable

•  Aspartofthesecer3fica3onefforts,weindependentlygenerateaerodynamiccoefficienttablesforuseincontrolsystemsimula3ons

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Image:NASA@sciencehip://www.nas.nasa.gov/SC11/Kiris_SLS-CFD_Backgrounder.html

Ilovemyjob

•  Iolenfindmyselfsteppingbackandthinking– “Ican’tbelieveIamactuallyworkingonsomethingthat’sgoingtospace!”

–  Itisveryrewarding•  Notonlyaretheseproblemssuperinteres3ng,challenging,andimportant…theyarealsofun!

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HowdidIgethere?

•  AlwaysknewIwantedtoworkinthespaceindustry– Wantedtoworkonthingsthatgotospace– Didn’tspecificallysetmysightsonNASAun3lgradschool

•  Ichosephysicsbecauseitwasfundamental,interes3ng,andallowedmetospecializelater–  Physicsallowedmetochosefromawidevarietyofengineeringdisciplines

–  IchoseAerospaceEngineering

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Realizehowluckyyouare

•  IwasalwaysverydisciplinedandrealizedhowluckyIwastobeabletogotocollegeandgetadegreefromagreatuniversity.

•  Notmanypeoplegettheopportunitytoevengotocollege– Seriously,lookitup– hip://www.bls.gov/news.release/hsgec.nr0.htm– ThoughIhadalotoffun,schoolalwayscamefirst

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Internships

•  Theseareveryimportant!•  Doasmanyasyoucan•  Youwillmeetmanypeopleinmanydifferentfields

•  Thesefolksmayhireyouoneday

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HighAl3tudeObservatory

•  DuringmyJunioryearIcompletedmyfirstinternship– Na3onalCenterforatmosphericresearch– Highal3tudeobservatory– ScaieringPolariza3onExperiment

•  Metmanyscien3sts– Theywereworkingonasatellitethatwassettolaunchinthenextyear

– ThisiswhenIdecidedtodosomethingsimilar

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GradSchool

•  Goodgrades,internshipexperienceandphysicsdegreegotmeintogradschoolatEmbryRiddleAeronau3calUniversity(ERAU)– Sinceitwasnotanengineeringdegreetheyrequiredacouplepre-requisiteclasses

– Finishedthemoversummeralergradua3ngfromStetson

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GradSchoolTIPJustbecauseacourseiscalledsomethingdifferent,doesn’tmeanitisExample: linear algebra could be called matrix methods or numericalengineering.Differentengineeringschoolshavedifferent lingoandadvisors/professors won’t always know what you have already taken. Use your oldtextbookstoproveyouhavetakenclasses.

GetaGoodAdvisorandProject•  Ichosethethesisop3on

–  Thesisop3on=lessclass-workbutrequiresthesis–  Non-Thesisop3on=moreclass-workbutnothesis

•  Thesisop3onallowedmetospecializeandimmersemyselfintheworldofComputa3onalFluidDynamics(Irecommendit)–  Favoriteclasswasfluiddynamics–  Askedprofessorforathesisproject–  Hegavemeone!

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GradSchoolTIPGethelpfromyouradvisor,butrealizehewon’tdoitallforyou.Onceingradschool, it’sup toyou!Takeownershipof yourprojectandmake it thebestthatitcanbe.Applyforgrantsandfindsomeonetopayforyourschool!

Thesisproject•  AdvisorwasinvolvedintheNASAGraduateStudentResearcher’sProgram(GSRP)–  Studyingthewayfluidsmoveincontainers–  ProjectwasfortheLaunchServicesprogram–  hips://intern.nasa.gov/ossi/web/public/main/

•  Onceaccepted,Itookoverforthepreviousstudent– NASAgrantcoveredgradschoolaswellaslivingexpenses

– WeeklyteleconferencesgavemeexposuretothefolksatNASA

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Ge9ngHired

•  Gradschoolflewby– FinishedmyMaster’sin2years– Startedlookingforjobs

•  Use“shotgun”technique–  Iappliedtomorethan30jobopenings– Postedmyresumeeverywhere

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Marke:ngTIPGo to technical conferences in your field and present asmuch as possible.Also,takemanycopiesofyourresumeandpostthemontheopenboardsatthevenue.

8months11days

Ques3on4

•  HowlongdidittakeMarsScienceLaboratorytogettoMars?

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ISSSloshExperiment

•  AttheLaunchServicesProgramweareluckytohaveasmallbudgetforresearchanddevelopment– Normallyusedforsmallresearchprojects– Alsousedtobuyadvancedequipment

•  Iamheavilyinvolvedinresearchprojects•  IwasassignedtoleadtheISSSloshExperimentin2011

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Whatisslosh?

•  Liquidpropellantmovementswithinrockettankscancauselossofmission

•  Mustpredictthemagnitudeandfrequencyofsloshforcestoproperlytunevehiclecontrolsystems

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TheProblem–TheSolu3onTheProblem•  NASAlacksexperimentaldatatovalidateliquidsloshbehaviorinamicrogravity

environment•  Manycomputermodelsclaimtoaccuratelypredictliquidmo3oninsidea

propellanttank•  Thesemodelsareonlyvalidatedunder1gcondi3ons•  Nonehavebeenvalidatedinthesurfacetension-dominatedmicrogravity

environmentofspace

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TheSolu3on•  Anexperimenthasbeenbuiltthat

takesadvantageofthemicrogravityenvironmentoftheInterna3onalSpaceSta3on(ISS)

•  Scaled,clear,liquidfilledtank•  Cameras•  Iner3almeasurementunits

Overview

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Wherewehavebeen

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StudentPar3cipa3on•  StudentsattheFloridaIns3tuteofTechnology(FIT)designedandfabricatedtheen3reexperiment– Machinedallaluminumparts

–  UsedCADtodesignall3Dprintedcomponents

–  Fabricatedallcustomcabling

–  Designedallcustomprintedcircuitboardsusedintheavionicsboxes

–  RananalysesforISSsafetycer3fica3on

Qualifica3ontes3ng

•  ISSSafetyTes3ng–  Vibra3ontes3ng

•  Qualtest,inc.(Orlando,FL)•  Testedinstowedconfigura3on

–  Electromagne3cCompa3bilitytes3ng

•  MSFCEMItestfacility•  Fullunittestedalongwithtwo

SPHERESgroundunits–  Offgasstes3ng

•  WhiteSandsTestFacility•  Testedall3Dprintedmaterials

–  Flammabilitytes3ng•  WhiteSandsTestFacility•  Testedall3Dprintedmaterials

–  Touchtemperaturetes3ng•  FloridaIns3tuteofTechnology

–  Pressuretes3ng•  FloridaIns3tuteoftechnology

Launch•  LaunchaboardtheOrb-1CommercialResupplytoSta3onmission–  LaunchJan09,2014–  DocktoISSJanuary12,2014–  LaunchedonanOrbitalSciencesCorp.AntaresLaunchVehicle

–  LaunchedfromWallopsFlightFacility

•  FirstISScargoflightforthisvehicle

•  First3DprintedexperimentaboardtheISS

Howtoruntheexperiment

•  Grabtheexperiment•  Poweritup(2switches)•  Placeincenterofthemodule•  Floatovertocomputer•  Clickonrun•  Waitun3lmaneuveriscomplete(~2minutes)

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Science•  Sessionscompletedtodate–  Checkout–  Science#1–  Science#2–  Science#3

•  Sessionstakeroughly6hourstocomplete–  2.5hoursforset-up–  1.5hoursforscience–  2hoursforbreak-down

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Ini3alCondi3on

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Checkout

Science#1

Science#2

Badini:alcondi:on

Goodini:alcondi:on40%

Goodini:alcondi:on20%

Ini3alCondi3on

LiquidsinSpace

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Conclusion

•  Thankyouverymuchforinvi3ngme•  Goodluck!

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