Gas Side Pressure Drop Across Bare Tubes

Provided for your use by JH Consultant

The gas side pressure drop may be calculated by any number of methods available today, but the following procedures should give sufficient results for heater design.

Coil Data
Tube outside dia., in: Tube length, ft:
Number of tubes wide: Number of rows:
Transverse pitch of tubes, in: Corbels:
Process Data
Mass flow, lb/hr: Density of gas, lb/ft3:
Pressure Drop, inHO: