Implementation of Active Implementation of Active Flow Control using Microjets Flow Control using Microjets on an RC Aircrafton an RC Aircraft

Phil KrethHussein NabulsiDan DrakeMatt Tubtim

Faculty Advisor: Dr. Farrukh AlviSponsor: Dr. Gregg Abate (Eglin AFB)

12.06.2007

Presentation OutlinePresentation Outline

Background and ScopeNeeds AssessmentDetailed DesignWind Tunnel TestingSpring ProposalBudget Analysis

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BackgroundBackground

Flow separation

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Flow separated ~16° AOA Reattached flow – 10 psig @ microjets

Needs AssessmentNeeds Assessment

Implement microjets on RC planeRun time should be 30 secs or moreRemotely activate each wingDelay stallBudget = $1,50000

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Detailed DesignDetailed Design

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Air Supply SystemAir Supply System

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Airframe Modification IAirframe Modification I

Tank LocationShielding

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Airframe Modification IIStruts

Data Measurement Data Measurement TechniqueTechniqueUse a servo mounted camera

◦Watch flow reattachment using tufts

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Wind Tunnel TestingWind Tunnel Testing

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Image from tuft testing video. Click the picture for the full video (1.24 MB – 0:20)

Spring ProposalSpring Proposal

Finish purchasingBuild actuators and manifoldsMachine hardware for plane

modificationTest actuators in wind tunnelImplement the systemFlight testing

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Budget AnalysisBudget Analysis

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ConclusionConclusion

Background and ScopeNeeds AssessmentDetailed DesignWind Tunnel TestingSpring ProposalBudget Analysis

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Questions or Comments?Questions or Comments?

12.06.2007