Whisper 200 Analysis and Remediation

1. Whisper 200 Analysis and Remediation Phase III Presentation Group 7 Thomas Kudej Marko Sutovic Timothy Smith

2. Group Members Advisor Professor Basu Thomas Kudej Timothy Smith Marko Sutovic

3. Presentation Outline • Project Objective • Background Phase I-II • Phase III • CFD • Initial Conditions • Modeling and Results • Experiment • Anemometer Program • Procedure • Results • Budget • Gantt Chart • Nugget Chart • Phase IV - Plan of Action • Questions?

4. Project Objectives • Whisper 200 Wind Turbine • Find a Suitable Location for The Whisper 200 • Acquire Wind Velocity and Directional Data • Prove Current Location is Inadequate • Satisfy Power Generation Requirements

5. Summary of Phase I • Original Problem Objective • Examined Wind Turbine • Restructure Overall Project Objective • Observed Wind Turbine Behavior • Whisper 200 Performance • Developed Conceptual Designs • Several Designs to Fix the Problem

6. Conceptual Designs Proposed • Conceptual Designs Proposed • Stability of the Wind Turbine • Noise Cancellation Devices • Use of Isolators to Support The Wind Turbine • Removal of Aesthetic Lip on Babbio • Move Turbine to Different Location • Funnel Air Towards Turbine

7. Summary of Phase II • Phase II Objectives • Determining the Power Output of a Wind Turbine as a Function of • Wind Speed • Wind Direction • Wind Characteristics • Determining Superior Roof-top Location for the Whisper 200

8. Conceptual Designs • Wind Fan Power Output • Purpose • Results

9. Conceptual Design Analysis • Analyzing Results From Experiment • Obstructions on the Babbio Center Roof-top are Affecting Power Production • Building Design and Structure • Proposed Solution • Relocation of Wind Turbine • Wind Velocity and Directional Testing • Plan of Action for Testing

10. Computational Fluid Dynamics Air Flow Analysis • Using Cosmos Floworks, we were able to simulate the air flow in real world conditions and analyze the effects at each targeted location. • External flow parameters were used instead of internal flow. • The locations modeled in Solid Works were: • Babbio Center • Howe Center • Castle Point Apartments • Each model included their respective rooftop structures to determine the effect they could be having on the directional component of air flow. • Initial conditions and Boundary conditions were chosen to define the problem

11. CFD – Initial Conditions • Our initial conditions were chosen to simplify the model and decrease solving time as well as give us a fairly accurate portrayal of what is occurring. • Air was selected as the working fluid • Initial Ambient Conditions • Pressure at 101 kPA • Temperature at 273.5 K • The velocity of the air in the X direction was set as 5m/s • Through research, the average wind speed in the NYC area was 4-5 m/s • Start up speed of the Whisper 200 is 3.1 m/s

12. CFD – Boundary Conditions • Only one boundary condition was defined • Walls of each structure • The walls were defined as ideal walls which modeled them as adiabatic and frictionless. • We chose not to model the walls as real because our analysis centered on the effect of each buildings geometry on the wind flow. • Prove why Babbio is currently not sufficient • Determine location where wind conditions are suitable • Heat transfer coefficient, wall temperature and roughness factor were all negligible in our assumptions.

13. CFD – Babbio Center Model of the Babbio Center roof top

14. CFD – Babbio Center Air flow over the roof

15. CFD – Babbio Center North face of the Babbio Center – Notice the wake region in the upper right.

16. CFD – Babbio Center Wind coming in from the North-West

17. CFD – Howe Center Model of Howe Center

18. CFD – Howe Center Wind flow over Howe

19. CFD – Howe Center

20. CFD – Castle Point Apartments

21. CFD – Castle Point Apartments

22. CFD – Castle Point Apartments

23. Anemometer Program • Anemometer lacked a display device to show analytical data. • DAQ from Design II Lab enabled the reading of voltage outputs from the sensors. • LabView was utilized to create a user interface and log output feature. • Anemometer was calibrated using Fluids Lab wind tunnel. • See Appendix slides A&B for full program and interface.

24. Procedure • Readings were taken with the Anemometer at 8 locations. • Babbio, CPA, Howe, and River Lot • All readings were taken within a two hour time period, as to reduce the effect of changing weather conditions. • Experiment was repeated on multiple days. • Results were analyzed to determine the best placement location for the Whisper 200.

25. Measurements and Results • Sample was taken at Babbio Location A (original location) on Day 1 between 1:35pm and 1:45pm. • Average Wind Velocity was measured to be 3.6875m/s. • Wind Direction was very sporadic. • Each location was analyzed in this way on three separate days. (See Appendix slides for data)

26. Measurements and Results • Sample was taken at CPA Location B (optimal location) on Day 1 between 3:00pm and 3:10pm. • Average Wind Velocity was measured to be 4.0408m/s. • Wind Direction was conclusively consistent. • After analysis, this location was chosen as the most optimal for the Whisper 200, due to its constant wind direction and reliable wind velocity.

27. Budget

28. Looking at the Future • Phase IV • Determine the power output of the wind turbine at new location • Install data logger to see how much is being produced. • How much money is saved? • Monitor the wind turbine and see if any noise or vibration issues arise • Use gathered data to tweak the design and improve energy production. • Restrict the turning mechanism • Develop channels to funnel the air

29. Gantt Chart

30. Title: Whisper 200 Analysis and RemediationTeam Members: Marko Sutovic, Timothy Smith, Thomas KudejAdvisor: Dr Basu, Dr Prasad Project #: 7 Date:12/15/09 ME 423 Phase III Nugget Chart– Engineering Design

31. Thank you, Questions?

32. Appendix A: Full LabView Program

33. Appendix B: User Interface

34. Appendix C: Babbio Location A Wind Direction

35. Appendix D: Babbio Location A Wind Speed

36. Appendix E: Babbio Location B Wind Direction

37. Appendix F: Babbio Location B Wind Speed

38. Appendix G: Babbio Location C Wind Direction

39. Appendix H: Babbio Location CWind Speed

40. Appendix I: CPA Location A Wind Direction

41. Appendix J: CPA Location AWind Speed

42. Appendix K: CPA Location B Wind Direction

43. Appendix L: CPA Location B Wind Speed

44. Appendix M: Howe Location A Wind Direction

45. Appendix N: Howe Location A Wind Speed

46. Appendix O: Howe Location B Wind Direction

47. Appendix P: Howe Location BWind Speed