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Analysis of a Nulling Yaw Probe

Analysis of a Nulling Yaw Probe. ME 450: Computer Aided Engineering Analysis Instructor: Dr. Nema Group members: Billy Holland, Alan Koers, Allison Heying. Objectives. Determine if stress or displacement will negatively affect function of device Study vertical position of motor

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Analysis of a Nulling Yaw Probe

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  1. Analysis of a Nulling Yaw Probe ME 450: Computer Aided Engineering Analysis Instructor: Dr. Nema Group members: Billy Holland, Alan Koers, Allison Heying

  2. Objectives • Determine if stress or displacement will negatively affect function of device • Study vertical position of motor • Study horizontal position of motor • Study probe when exposed to air flow

  3. Introduction • Apparatus to observe pressure and flow angle of annular flow in turbine engine • 462 project added component to allow for flow yaw angle measurement • Main area of concern is support for motor

  4. Track Housing Motor Support Probe Motor Rack Complete Assembly

  5. Theoretical Background • Solid 92 (Tetrahedral Solid): 10 Nodes, 3-D Space, DOF: UX, UY, UZ • Is the WORKBENCH default element

  6. Model Details: Sub Assembly • Element Type: SOLID92 • Elements: 2579 • Nodes: 10004

  7. Model Details: Sub Assembly • Model grounded at mounting holes in tracks • Moments applied to motor support mounting holes

  8. Model Details: Yaw Probe • Element Type: SOLID92 • Elements: 2964 • Nodes: 5859

  9. Model Details: Yaw Probe • Model grounded at probe base • Pressure due to wind speed applied surface of probe

  10. Stress at Vertical Orientation

  11. Displacement at Vertical Orientation

  12. Stress at Horizontal Orientation

  13. Stress at Horizontal Orientation (bottom)

  14. Displacement at Horizontal Orientation

  15. Stress in Probe

  16. Displacement of Probe

  17. Results

  18. Impact Statement • Probe apparatus will be safe for users • Knowledge of flow angle and pressure in turbine engine will allow for improvements

  19. Conclusions • Design will have no problems due to stress or deformation • Factor of safety is at least 40

  20. Questions Sources Finite Element Analysis by Saeed Moaveni Introduction to Fluid Mechanics by Robert Fox Mechanics of Materials by John Dewolf

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