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Why Laminar Flow in Narrow Channels (Heat Transfer Analysis)

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Presentation on theme: "Why Laminar Flow in Narrow Channels (Heat Transfer Analysis)"— Presentation transcript:

1 Why Laminar Flow in Narrow Channels (Heat Transfer Analysis)

2 Nusselt Number Defination Ratio between the observed heat flux and that which would be generated by conduction

3 Turbulent Flow -Wall Shear Stress Expression For smooth plate surface and 3000 < Re < 10 5

4 Turbulent Flow - Heat Transfer Capacity for a given matrix volume

5 Turbulent Flow - Comparison between the heat flux achieved and the fluid power dissipation incurred

6 Laminar Flow - Constant Wall temperature

7 Laminar -Wall Shear Stress Expression

8 Laminar Flow - Heat Transfer Capacity for a given matrix volume

9 Laminar Flow - Comparison between the heat flux achieved and the fluid power dissipation incurred

10 Laminar vs. Turbulent

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