Interpretation:
The temperature of the oil when it leaves the pipe and after it is mixed is to be determined. Also, the average heat transfer coefficient is to be calculated.
Concept Introduction:
The formula to calculate the Reynolds number for the flow of fluid in a pipe is:
Here,
For laminar flow of fluid in a pipe, the correction factor is calculated as:
Here,
Graetz number is calculated as:
Here,
The Nusselt number for the heat transfer to the fluid flowing inside the pipe is:
Here,
The relationship for the Nusselt number, Graetz number, and the correction coefficient is:
The log mean temperature difference for heating of a fluid flowing inside a pipe is written as:
Here,
The heat transfer coefficient in terms of the log mean temperature difference is written as:
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Unit Operations of Chemical Engineering
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