Below is a version history for Double Pipe Heat Exchanger Design (DHex) software:
DHex v5.0.0.0
- Internal code refining for Heat Exchanger Suite (HExS) publish automation
- Enhanced material thermal conductivitues database and added more material thermal conductvities.
- Added new setting to check for software updates on start
- Added physical properties PProps internal database containing 500 fluids
DHex v4.0.0.0
- Maintenance release addressing software licensing on new activation server
DHex v3.1.05
- Maintenance release
- fixed bug to address failing to calculate the thermal capacity ratio
- fixed bug to address failing to calculate the number of transfer unit
- fixed bug to address failing to calculate pressure drop in annulus side
DHex v3.1.0.4
- Maintenance release
DHex v3.1.0.3
- Added used hydraulic diameter for Nusselt number calculation. This feature can be accessed through the software setting screen
- Minor fixes to interface
DHex v3.1.0.2
- Software upgrade to Microsoft dot Net 4.8 Framework
- Fixed bug affecting retrieving film heat transfer coefficient user database entries
- Added water and steam properties
- Added check for software update
DHex v3.1.0.1
- Fixed bug affecting retrieving Nusselt user correlations when user is using comma for decimal point separator
DHex v3.1.0.0
- Maintenance release addressing software licensing on new activation server
- Added license information screen can be accessed from Help menu
DHex v3.0.0.3
- Maintenance release addressed software digital signature and end user license agreement
DHex v3.0.0.2
- Ability to designate Nusselt user correlations to inner pipe or outer pipe side
- Plot temperature profile for hot and cold sides, check temperature cross chart
- Multi case feature will now save cases in a case list and reload a case upon request during run time.
DHex v3.0.0.1
- Maintenance release
DHex v3.0.0.0
- Software upgrade to Microsoft dot Net 4.6 Framework
- New user interface
- Added pumping power calculation
- Add your own Nusselt correlations to use in software calculations
- Added Unit converter includes 23 measurements units with 200-unit conversion
- Added Input Consistency check – to reduce input errors related to decimal point separator
- Some enhancement to results display
- Added Re-Save feature faster saving for edited files
- Added ability to enter heat transfer coefficient on both inner pipe side and outer pipe side
- Ability to enter Heat Duty
- Ability to calculate unknown exit temperatures on both sides or any two temperatures on both sides.
- Ability to add multiple cases to one results grid.
- Ability to add heat transfer coefficients in a user database table and load it during calculation.
- Added the following Nusselt number correlations:
- – Petukhov and Popov
- – Sleicher and Rouse
- – Gnielinski
- – Prandtl
- – Modified Dittus-Boelter
- Pressure drop friction factor chart under finned tube option has been removed and calculation of this friction factor is now done by the software
- Enhance summary of results presentation
DHex v2.1.0.0
- Added Ability to export results to Engineering Datasheet format (To Microsoft Excel)
DHex v2.0.0.0
- Enhanced User Interface
- Added support for WeBBusterZ Physical properties database
- Added fouling factors
- Fixed some small programming bugs
DHex v1.0.0
- First release