1 / 27

Numerical Study of Heat Transfer Enhancement in Microchannels

Numerical Study of Heat Transfer Enhancement in Microchannels. Jason Lam z3252911 Supervisors: Dr Victoria Timchenko A/Prof. Guan Heng Yeoh. Problem Definition. Microchannels Operating frequency increases with technological advancement Heat generation rates hamper advancement.

gannon-avila
Download Presentation

Numerical Study of Heat Transfer Enhancement in Microchannels

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Numerical Study of Heat Transfer Enhancement in Microchannels Jason Lam z3252911 Supervisors: Dr Victoria Timchenko A/Prof. Guan HengYeoh

  2. Problem Definition • Microchannels • Operating frequency increases with technological advancement • Heat generation rates hamper advancement

  3. Problem Definition • Microchannels • Applications • Micro-channel Heat Exchanger • Features/Limitations

  4. Features of microchannels

  5. Limitations of microchannels

  6. Features of microchannels

  7. Synthetic Jet Displacement

  8. Analysis

  9. Geometry

  10. Geometry • 2 Cavities • 4 Orifices

  11. CFX Mesh

  12. CFX Mesh

  13. Special Thermal/Mass Boundary Condition

  14. Synthetic Jet Displacement

  15. Results – Steady State Heat Transfer

  16. Results – Steady State Heat Transfer

  17. Results – Steady State Heat Transfer

  18. Results – Transient Heat Transfer

  19. Results – Heat Transfer (Comparison)

  20. Results –Heat Transfer (Comparison)

  21. Results – Fluid Flow (Comparison)

  22. Results – Fluid Flow (Comparison)

  23. Results – Fluid Flow (Comparison)

  24. Conclusions • Numerical data has been validated with the experiment with fair agreement • The synthetic jet is a feasible method for promoting mixing and enhancing heat transfer • Most appropriate method for cooling microchips.

  25. Questions?

More Related