News

New code signing certificate for HRS-AHED package (2025)

HRS uses MSIX app packages to distribute the official HRS-AHED application. To ensure the integrity of those packages, they are signed using a Code Signing certificate. The current key used for signing, with the thumbprint CD47 076B 5D1C 6F5E CD6B E606 8B06 3AD8 4A7E 73FF, which has been used for...

Released: 2025-07-01

The key used to sign HRS-AHED package is changing

HRS uses MSIX app packages to distribute the official HRS-AHED application. To ensure the integrity of those packages, they are signed using a Code Signing certificate. The current key used for signing, with the thumbprint F3A6 2F21 3264 93BD E38D 1B71 4618 F34F EA30 E5D1, is set to expire on...

Released: 2022-07-11

New license types added

In the 28/06/2021 release of AHED we have added a new license:Educational license.AHED is now offering an educational license for academic purposes: it can be used free of charge during one year for any student or professor of any university. All you have to do is go to our download...

Released: 2021-07-01

New feature: heating/cooling during batch filling

18th February 2021 AHED released an update. This release includes a new extra feature in the batch calculation module. Traditionally, this module allowed you to calculate the time required for a batch to heat or cool to a certain temperature, but only starting the heating or cooling process after the...

Released: 2021-02-19

New video: Defining fluid properties

In this AHED video we will explain the various methods of defining physical properties for shell and tube side fluids:Sensible heat calculation: Manual table input.Quick create using fluid presets.Definition of condensing fluids at saturation point.Definition of condensing fluids for desuperheating and subcooling.Definition of fluids for partial condensation.Understanding these concepts will...

Released: 2021-02-12

New Feature: The Tube Assistant

On Thursday 21st of January 2021 an AHED update was released. This release contains a new feature to help you define heat exchanger geometry more efficiently: The Tube Assistant. Access the Tube Assistant by clicking on the "wand" symbol in the geometry section: Clicking on the wand opens the following...

Released: 2021-01-22

New video: Design of a heat recovery heat exchanger

We have just published a new video: Design of a heat recovery heat exchanger. This video shows in detail the steps to configure and calculate in the correct way: How to define tube and shell side fluids. How to define the heat exchanger geometry. How to define baffles. Heat transfer...

Released: 2020-12-20

Material presets

In AHED release 3.2.20.918 (21 Sept 2020) we have added a new feature: material presets. Under Menu → Tools → Select presets → Material presets you can open the materials window. By marking the preset check box, you define which of the materials displayed in the list become available in...

Released: 2020-09-21

Double segmental baffles added to AHED

In AHED release 3.2.17.729 we have added the possibility to calculate with double segmental baffles. These baffles split the shell side flow in two currents around each second baffle. This way a reduction in velocity is obtained. In general, this will lead to a reduction in pressure drop and a...

Released: 2020-08-27

AHED-OPT procedure added

AHED has been equipped with a procedure that reduces the error in the calculation for fluid flow that passes through the transition flow regime. Any switch from laminar to transition flow or from transition flow to turbulent flow usually sees some large changes in the rate of heat transfer. Traditional...

Released: 2019-06-20