VelocityContoursforVaryingWingLocations
WingProfileatCenter
Thisimagedisplaysthevelocityfortheairmovinginthecentercrosssectionofthefrontwing. Notablefeaturesincludetheflowseparationontheundersideofthefirstwingelementandthe stagnationpoints(pointswheretheairstopsmoving)nearthefrontedgesofthetwosections; theseareindicatedbythedarkpointsnexttothewingsurface.
WingProfileNearCenter
Thisimagedisplaysacrosssectionofthemulti-elementwingprofile,situatedclosertothe centerofthewing.Theflowseparationisevenmoreevidentintheleftmostelement;thereis alsoasmallerflowseparationintherightmostelement.
WingProfileNearEndplate
Thisimagedisplaysacrosssectionofthewingprofileclosertotheendplate.Theflow separationfortheleftmostelementismuchlesspronounced,asthatwingelement(aswellasthe others)arelesscontoured.Anotablefeatureisthemoreblock-likecolorationofthevelocitynear thebackthreewingelements;thisislikelyduetothecomputationalmeshnotbeingwellrefined inthoseareas.
PressureCoefficientContourforWingSurface
AboveWing
Theaboveimagedisplaysthepressurecoefficientcontourontheupwardfacingwingsurfaces.A notablefeatureisthedarkredpointatthefrontofthenose,indicatingastagnationpoint.
BelowWing
Thisimagedisplaysthepressurecoefficientcontourforthedownwardfacingsurfaces.Because thecolorsarefarcoolerontheundersideofthewing(aswellasthecorrespondingpressures),a clearpressuregradientisgeneratedonthewing,whichisevidenceofdownforce.
VelocityPathlines-LeadingEdge
FrontView
Thevelocitypathlinesdirectedtowardstheleadingedgeoftheairfoilareshown.Theupdraft fromthewingsurfacesisdisplayed,aswellastheuseoftheelementontheoutsideofthe endplatetoredirecttheairflowontheouteredgeofthefrontwing.
SideView
Comparedtothefrontview,thisdisplayofthevelocitypathlinesmoreclearlyshowsthe stagnationpointonthenoseofthewing,aswellasaportionoftheflowaroundtheelement attachedtotheoutsideoftheendplate.
BottomView
Thisviewclearlydisplaysthedarkervelocityareasontheundersideofthewing,whichisa possibleindicationofaflowseparationdownstreamfromtheelementsofthefrontwing.
VelocityPathlines-WingCenter
SideView
Thisimagedisplaysthevelocitypathlinesoverthecentercrosssectionofthefrontwing.The darkvelocitylinesatthefrontofthenoseprovidefurtherindicationofthestagnationpointthere.
BottomView
Thisimagedisplaysthepathlinesforthecentercrosssectionasviewedfrombelow.Theslightly fasterpathlinescomparedtotheupwardfacingsurfacesindicateapressuregradientandthusthe generationofdownforce.Furthermore,thereisacircularairflowpatternunderneaththefirst wingelement;thisisaneddycausedbytheflowseparationthere.
VelocityPathlines-NearWingCenter
OutsideView
Displayedabovearethevelocitypathlinesforacrosssectionofthefrontwingelementsnearthe centerofthewing.Thefasterpathlinesontheundersideofthewingarealsoobservedinthis crosssection,inadditiontotheeddygeneratedonthefirstwingelement.
InsideView
Theimageaboveshowstheinsideviewofthevelocitypathlinesforthesamecrosssection.The movementoftheairaroundthefourwingelementsismademorevisible.
VelocityPathlines-NearWingEndplate
OutsideView
Theaboveimagedisplaysthevelocitypathlinesforacrosssectionofthewingthatiscloserto theendplate.Theeddyunderneaththefirstwingelementisevenmorepronounced;thepathlines alsograduallymovetowardsthecenterofthewing.
InsideView
Theaboveimagedisplaystheinsideviewforthewingcrosssectionclosesttotheendplate.The pathlinesoverthewingsurfacesaremoreclear;theeddyunderthefirstwingelementisalsojust aspronounced.
FrontView
Theimageabovedisplaysthefrontviewofthevelocitypathlinesfortheaforementionedwing crosssection.Notableistheshapeofthepathlinesdownstreamofthewing;thereappearstobea vortexorsomeotherindicationofaturbulentflow.
VelocityPathlines-Endplate
OutsideView
Displayedarethevelocitypathlinesaroundtheoutsideandbottomoftheendplate.Anotable featureistheslightlylowerpathlinesbelowtheendplate,potentiallyindicatingflowseparations. Additionally,thelongedgeontheoutsideoftheendplateisshowntoredirectcertainpathlines upward.
InsideView
Theaboveimageshowsthevelocitypathlinesontheinsideoftheendplate.Thereisapotential flowseparationontheuppersectionoftheendplate(indicatedbythedarkerpathlines);thereis alsoevidenceofavortexbeinggeneratedfromthetopedgeoftheendplate,evidencedbythe pathlinesdownstreamfromitthatareclosertogether.
FrontView
Theaboveimage,aviewoftheflowaroundtheendplatefromthefrontofthewing,moreclearly displaysthedownstreamfloweffectscreatedbytheendplate;avortexdoesappeartobe generated.
The original Front Wing geometry is credited to user Nethaji Mahenthiran on GrabCAD.
