Cover Story :
8 Hexonic : Innovative solutions for a global market
With a recently expanded production hall of 4500 square metres , an employee base boosted by almost 20 % in 2022 alone , and a fast-growing global presence , Hexonic is a heat exchanger manufacturer intent on achieving big ambitions . The Heat Exchanger World team was invited to Hexonic HQ to speak with Mr Artur Grajewski ( Business Unit Director of Industrial Heat Exchangers ), Mr Andrzej Otta ( Sales Director ), and Mr Christian Huhn ( Managing Director of Hexonic Deutschland ) about the company ’ s success , its bold decisions , and the excitement of future opportunities .
16 Velo3D and PWR : Next generation heat exchangers
Heat exchangers are critical parts found in many different mechanical systems . What makes them a unique design and manufacturing challenge lies in their primary function .
20 Good practices and experience feedback : Industrial process energy efficiency and links to the proper thermal-hydraulic design of heat exchangers
This articles shows the essential value of the expert ’ s knowledge , but it also reminds us of the imperative need to master the knowledge of sizing and best practices necessary to achieve an optimised design that correctly fulfills the needs .
24 Plate and shell heat exchanger : A superior alternative to shell- & -tube ?
PECPL has partnered with German company GESMEX for the manufacture and supply of plate & shell heat exchangers .
26 fIliform corrosion – An unidentified enemy to aluminium fins
Filiform corrosion is an unidentified enemy to the vulnerable coated aluminium fins , as this type of corrosion is often seen , but not always understood – until now ...
30 tHe multisectoral skills of a heat transfer engineer
Naomi Jabbari is a heat transfer engineer for S & B ENGINEERS AND CONSTRUCTORS , based in Houston , Texas , USA . Naomi ’ s role is vast and varied , ranging from equipment selection to thermal and mechanical design , and purchase ordering .
32 mock-up of tube-to-tubesheet joints in shell and tube heat exchangers
The tube-to-tubesheet joints in a shell and tube heat exchanger are critical locations which in many cases govern the life of the exchanger or call for unplanned outages in order to be repaired or plugged .
36 Are fin tubes more likely to foul than smooth tubes ?
Be careful how you answer … Below is a photo of a reboiler bundle pulled for cleaning that shows the smooth tubes completely covered in scale and other deposits while the single fin tube remains relatively clean .
38 cooling data centres : A hot topic
To get the heat exchanger perspective on data centres , Heat Exchanger World spoke with Anna Blomborg , Industry Manager Data Centres at Alfa Laval .
4 Heat Exchanger World April 2023 www . heat-exchanger-world . com