February 29 HVAC&R Industry Newsletter T2
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Shaping Tomorrow's Built Environment Today
February 29, 2024
Researchers at the University of Birmingham in England claim they can extend the range of battery-electric vehicles (BEVs) by 70% using a car’s air-conditioning system powered by microwaves to cope with extreme temperature effects. The team is developing an energy storage system to boost BEV driving range during hot or cold weather when the vehicle’s climate control system is consuming enough electric energy to cut the working range by up to 40%. The process couples a chemical heat pump with microwave energy to produce heating or cooling on demand and at much higher energy density than from the vehicle’s battery pack. Read more
Microwave HVAC System Promises EV Range Boost
Use of a new type of climate control could extend BEV range, inventor Yongliang Li claims. Credit: Volkswagen.
 
The Korea Institute of Machinery and Materials has successfully conducted a cooling test of a large-capacity ultralow temperature cooling system using a zero global warming potential (GWP) refrigerant. The cooling system was developed using its own centrifugal compressor and turbo expander. It uses a turbo machine that rotates at ultrahigh speeds of tens to hundreds of thousands of rpm. This technology has been used in areas such as superconducting cable cooling, cryogen subcooling and liquefied natural gas re-liquefaction. Read more
 
International researchers developed a new solar module that uses a curved mirror to concentrate sunlight onto a row of photovoltaic cells, which convert the light into electricity. The excess heat from the cells is then transferred to a fluid that can be used for heating or cooling. The module uses cost-effective and robust silicon solar cells to withstand high temperatures, a mirror made using injection molding technology and a cooling system that allows waste heat to be used for applications including heating and cooling of buildings or industrial processes. Read more
In Other News
ASHRAE Journal
By Andy Pearson, Ph.D., C.Eng., Fellow ASHRAE
In this Refrigeration Applications column, Andy Pearson provides hot tips on how to avoid fire risks in the built environment. Download here
Products
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In Case You Missed It
Energy Efficiency
The Federal Emergency Management Agency (FEMA) recently unveiled new guidance on additional assistance funding for net zero buildings. This funding is available for net zero energy projects related to disaster recovery or mitigation. To qualify, projects must meet or exceed energy performance thresholds and renewable generation requirements specified in the zero energy appendices of the 2021 International Energy Conservation Code (IECC). Read more
 
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