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ch6 part 2 - Thermo-Fluids Heat Transfer Chapter 6 External...

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Thermo-Fluids Heat Transfer Chapter 6: External Flow Fluid Viscous and Thermal Effects Part 2
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EGN 3358 - Thermo-Fluids Heat Transfer 6.6: Convection Heat Transfer Coefficient 2 Positive value when the heat flows from the surface to the fluid
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EGN 3358 - Thermo-Fluids Heat Transfer 6.6: Convection Heat Transfer Coefficient 3
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EGN 3358 - Thermo-Fluids Heat Transfer 6.6: Convection Heat Transfer Coefficient 4 Average Heat Transfer Coefficient, : For laminar B.L. flow:
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EGN 3358 - Thermo-Fluids Heat Transfer 6.6: Convection Heat Transfer Coefficient 5 An approximation:
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EGN 3358 - Thermo-Fluids Heat Transfer 6.6: Convection Heat Transfer Coefficient 6 Nusselt number: Average: Reynolds analogy:
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EGN 3358 - Thermo-Fluids Heat Transfer 6.6: Convection Heat Transfer Coefficient 7 Stanton number : Thus Reynolds analogy :
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EGN 3358 - Thermo-Fluids Heat Transfer 6.6: Convection Heat Transfer Coefficient 8 Chilton Colburn analogy: Depends on Pr range: 0.6 < Pr < 60 Valid for laminar flows over a plate and turbulent flows over surfaces of any shape.
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EGN 3358 - Thermo-Fluids Heat Transfer 6.6: Convection Heat Transfer Coefficient 9 Example 6-22
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EGN 3358 - Thermo-Fluids Heat Transfer 6.6: Convection Heat Transfer Coefficient 10 Example 6-22 continued
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EGN 3358 - Thermo-Fluids Heat Transfer 6.6: Convection Heat Transfer Coefficient 11 Example 6-23
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EGN 3358 - Thermo-Fluids Heat Transfer 6.6: Convection Heat Transfer Coefficient 12 Example 6-23 continued
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