Double Pipe Heat Exchanger Design (DHex) - Step by step thermal design calculations of double pipe heat exchangers

+Step by step calculation

+Support S.I Units and English (U.S) Units of mesurement.

+User database functions to allow user to add/delete components and load to hot/cold side (Empty database!).

+Ability to import properties to Hot/Cold sides from Microsoft Excel.

+Ability to calculate unknown Cold or Hot side temperatures.

+Perform thermal analysis for bare tube double pipe (hairpin) heat exchangers.+Perform thermal analysis for finned tube double pipe (hairpin) heat exchangers.

+Choose from Counter Current or Co-Current Flow arrangement.

+Choose from Series arrangement or Series-Parallel arrangement.

+The software will also tell you the location of Hot/Cold fluids within the heat exchanger (Inner Pipe or Outer Pipe).

+Select from different correlations to calculate Cold/Hot side heat transfer coefficient. Also the ability to adjust Nusselt number if you do have a different correlation.

+Calculate the Area, Flow area, Length, Log Mean Temperature Differance, Number of Hairpins,Unknown Flow rate.

+Calculate the scale resistance (dirt factor), Equivalent Diameter.

+Calculate Pipe/Annulus side Reynolds, Nusselt numbers Prandtl Numbers

+Duty Calculation, Clean and Design Overall heat transfer coefficient calculations.

+Pipe/Annulus velocities and Mass velocity calculations

+Number of Transfer Units and Thermal Capacity ratio calculation +Clean and Fouled Fin Efficiency calculations for finned tube heat exchanger.

+Pressure drop calculations Entrance and Exit losses.

+Export Results summary to Microsoft Excel