| Application to rectangular channels-9 |
- Very close to the wall the turbulent component is ignored(consider Pr nearly constant) to get
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(22.19) |
- In the turbulent zone ignore the laminar term. Define a turbulent Prandtl number as the ratio of the turbulent viscosity and diffusivity:
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(22.20) |
| Application to rectangular channels-10 |
- In the turbulent zone ignore the laminar term
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| (22.21) |
