Heat Exchanger World Magazine September 2024 | Page 64

Product News

NovaTech
Delta T Thermal Solutions LLC new PLATECOIL line
Delta T Thermal Solutions LLC announces they have recently won an order for the PLATECOIL product line in a mining application located in South Africa . The order is for hundreds of large panel heat exchangers uniquely designed for falling film ice manufacturing .
The Style 80 PLATECOIL product , manufactured from a high-strength and corrosion-resistant stainlesssteel alloy , encompasses features that reduce the cycle time of the ice manufacturing , thus maximizing the output of the system . The mechanically formed channels specific to the PLATECOIL design guarantee the transfer fluid follows down directed paths during the cycle and ensures consistent cooling zones over the entire contact surface area . The PLATECOIL products are designed , manufactured , and tested to rigid ASME pressure vessel standards , thus safeguarding years of trouble-free operation in not only worldwide falling film ice-making applications but other demanding heat exchanger applications as well . developing a high-temp hybrid SiC HEX
Innovative Technologies International , Inc . ( NovaTech ) of Lynchburg , VA is developing a hybrid heat exchanger capable of operating at temperatures above 1000 ° C . The Dept of Energy Small Business Innovative Research project features groundbreaking design and manufacturing techniques that combine composite silicon carbide ( SiC ) tubes ( SiC composite layers over a SiC monolith ) with traditional metal structures . The tube design enhances heat exchanger durability from mechanical and thermal stresses . According to John Malloy , the project ’ s Principal Investigator , advancing the ability to join ceramic composite tubes directly to metal structures will minimize heat exchanger development and manufacturing costs . In the current DOE program , NovaTech , with the assistance of its subsidiary , Ceramic Tubular Products , will design , fabricate , and test a demonstration heat exchanger . This unit will be used to verify thermal hydraulic performance and durability . This technology supports the U . S . Department of Energy ’ s Industrial Decarbonization Roadmap by offering a path to substantially reduce greenhouse emissions through improved efficiency in high-temperature applications . NovaTech is an engineering company serving the nuclear , industrial , and defense sectors .
GEA to supply RedGenium heat pump
GEA Systems North America LLC has been selected to supply a GEA RedGenium heat pump to a Canada-based , global dairy processor and distributor of cheeses , dairy products , and grocery items . The specifications for the heat pump include : 7000 MBH / 2050 kW heating capacity ; Hot water at 180 ° F / 82 ° C ; Condensing temp . cascade evaporator 90 ° F / 32 ° C ; Heating COP of 4.6 ; and High-side design pressure 750 psi / 52 bar . Designed for maximum efficiency , reliability , and sustainability , the GEA RedGenium model 950 heat pump is driven by a 10-cylinder GEA
Grasso V XHP reciprocating compressor and is controlled by the industry-leading GEA Omni control panel . RedGenium is an industrial heat pump for a wide range of heat loads . It includes high-end components and modules , in project-specific configurations , to meet unique requirements . The heart of each GEA RedGenium is the GEA Grasso reciprocating compressor . Combined with efficient heat exchangers and the powerful GEA Omni control panel , these GEA compressors are key to providing the exceptional performance that RedGenium delivers .
New materials convert electronic waste heat into energy
Researchers from Germany , Italy , and the UK have significantly advanced on-chip energy harvesting materials compatible with CMOS chip production . The increasing use of electronic devices leads to higher energy
consumption , released as lowtemperature heat . Unfortunately , harnessing this low-grade heat , typically below 80 ° C , is challenging due to poor thermodynamic efficiency and technological constraints . Moreover , few
materials can convert this heat into electrical energy and are compatible with existing semiconductor technologies , making direct utilization in computer processors difficult . A collaborative effort involving Forschungszentrum Jülich and IHP — Leibniz Institute for High- Performance Microelectronics in Germany , the University of Pisa , the University of Bologna in Italy , and the University of Leeds in the UK has achieved a milestone in developing materials for on-chip energy harvesting . These materials are compatible with the CMOS chip production process , marking significant progress . A thermoelectric element transforms temperature differences
directly into electrical energy . When a temperature gradient exists across thermoelectric material , it prompts a flow of charge carriers , thus generating electricity . This mechanism is utilized to capture and recycle waste heat from electronic devices , converting it back into usable energy , thereby decreasing overall energy consumption . A lower thermal conductivity is advantageous for efficient energy conversion in thermoelectric materials , as it maintains a larger temperature gradient . GeSn alloys are particularly effective because their reduced thermal conductivity facilitates a more pronounced gradient , improving their thermoelectric performance .
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