Sama MushtaqMechanical design and testing
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A shell and tube heat exchanger study

My heat exchanger work followed the calculation from fluid properties and temperature change through convection, overall heat transfer, and required area. The original worksheets show how I organized that method and compared clean and fouled conditions.

Where
Wichita State University
When
May 2016
My contribution
Working calculations
Tools
Excel and heat transfer methods

The calculation chain

Fluid conditionsFlow and temperatures
Heat dutyEnergy balance
Heat transferConvection and fouling
Required sizeArea and tube length

Working through the assumptions

Original heat exchanger property inputs and equations
Original 2016 working sheet with fluid properties, heat duty, Reynolds number, and convection calculations.Open larger ↗

Comparing surface conditions

The worksheets carry the thermal assumptions into calculations for the overall coefficient, area, and tube length. Repeating that calculation with fouling resistance shows how the surface condition changes the required size.

Original heat exchanger comparison calculations
Original comparison sheet. A separate workbook named calc usama in Google Drive preserves further working calculations.Open larger ↗

Checking the calculation before reusing it

The archived sheets contain conflicting coolant flow inputs and inconsistent labels in parts of the comparison. I have kept them as original coursework and identified the inputs that need reconciliation before presenting a final sizing recommendation.

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