DHex is a software tool that is made to demonstrate the chemical design calculations of Double pipe (hairpin) Heat Exchangers.The software will do all the thermal calculations involved in the design and will generate a summary of all results etc.
-Software Features-+Step by step calculation +Support S.I & English (U.S) Units of measurement. +Ability to import properties to Hot/Cold sides from Microsoft Excel.+Save/Load results+Export Results to Microsoft Excel Engineering Datasheet-Calculations-+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 Difference, Number of Hairpins, Unknown Flow rate.+Calculate the scale resistance (dirt factor), Equivalent Diameter.+Calculate Pipe/Annulus side Reynolds, Nusselt numbers & Prandtl Numbers.+Duty,Clean and Design Overall heat transfer coefficient calculations +Pipe/Annulus velocities and Mass velocity calculations+Number of Transfer Units & Thermal Capacity ratio calculation.+Clean and Fouled Fin Efficiency calculations for finned tube heat exchanger.+Pressure drop calculations & Entrance and Exit losses.-Databases+Physical properties estimation of pure components for more than 1450 components; the database has the ability to estimate Thermal Conductivity, Density, Heat Capacity and Viscosity. The database also included & come as a standalone interface but easily integrated with the software. +Estimate mixture properties. (ALL ESTIMATION METHODS CURRENTLY SUPPORT LIQUIDS ONLY) +User database functions to allow user to add/delete components and load to hot/cold side (Empty database!) +Fouling factors.
Condenser design (CnD) is a software tool that is made to demonstrate the thermal design calculations of Shell & Tube condensers. The software can design, horizontal condensers, vertical condensers including reflux condensers. Many features etc.
This user friendly software is made to demonstrate the thermal design calculations and analysis of Kettle type reboilers.The software can be used to make preliminary sizing calculations that will help to give a clear outlook of the initial design.