Estimating the Overall Heat Transfer Coefficient U

Inside this lesson

Write the overall resistance relation for UA
Use the thin-wall approximation Ai≈Ao to simplify to 1/U = 1/hi + 1/ho
Compute U from given film coefficients
Recognize where fouling factors would enter (conceptually)

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Educational content covering topics typical of a first- and second-year chemical engineering curriculum. Not a substitute for accredited coursework, and not suitable for real process design, plant operation, or safety decisions without review by a licensed professional engineer.