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LASMA

http://my.fit.edu/eflow/. P. LASMA. I. NDUCED. Florida Tech. Plasma Induced Flow Aerodynamic Structure. F. LOW. A. ERODYNAMIC. S. TRUCTURE. Project Goal.

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LASMA

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  1. http://my.fit.edu/eflow/ P LASMA I NDUCED Florida Tech Plasma Induced Flow Aerodynamic Structure F LOW A ERODYNAMIC S TRUCTURE

  2. Project Goal Design and build an aerodynamic structure which will improve aircraft performance by implementing plasma actuators and their corresponding efficiency regimes 1% reduced drag Boeing 727 = 20,000 gallons of fuel per year = OVER $100,000.00 savings/airplane [Ref. 2]

  3. Objectives • Improve critical angle of attack by >20% • Augment Lift vs. Drag ratio by > 15% • Increase Fuel efficiency by 0.5% • Quantify system feasibility and effectiveness

  4. Accomplishments Obtained flow physic’s understanding Designed preliminary actuator set-up Constructed experimental flat plate

  5. Current Date

  6. Electronics

  7. Circuit diagram • Simple Circuit • Inexpensive Parts • Easy to modify and operate • Depend on Larry to build

  8. Changes and future work • Overall electric system had to be simplified: • Discard variable frequency • Build variable high voltage power supply • Steady frequency due to circuit constraints • Work in progress: • Determine a working frequency to be used • Acquire high voltage wires • Work out wind tunnel electric set-up

  9. Future Experiments Test Proof of Concept Achieve Drag Reduction Obtain Relevant Data Develop System Regime Voltage Effects Free-Stream Velocity Effects Frequency Effects

  10. Thermal Analysis Goal • Ensure actuators do not burn/melt Objectives • Develop heat model • Quantify temperatures and heat transfer rates • Determine if temperature values and heat transfer rates are allowable

  11. Thermal Analysis Approach • Analyze entire model • Make reasonable assumptions of heat transfer (Assume 1-D) • Divide actuator accordingly • Reintegrate results into model and repeat approach to optimize model

  12. Thermal Analysis SIDE VIEW Air Flow Qrad Qconv Qconv Qrad Qgen Cu Foil Kapton Tape Qcond Qcond Qcond Qgen Qcond Cu Foil Qcond FiberGlass Qrad Qconv NOT TO SCALE NOT TO SCALE Heat Transfer processes (2D) happening simultaneously 12

  13. Thermal Analysis SIDE VIEW Air Flow Qconv Qconv Qgen Cu Foil Kapton Tape Qcond Qgen Qcond Cu Foil FiberGlass NOT TO SCALE NOT TO SCALE Simplified Heat Transfer processes (1D) with Assumptions 13

  14. Questions?

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