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February 13, 2024
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By Jinkyun Cho, Ph.D., Member ASHRAE; and Jinyoung Lee, P.E., Member ASHRAE
This article discusses an energy-saving approach to hot-standby sparing (HSP) operation and control of cooling system redundancy equipment, which is crucial for ensuring the operational reliability of data centers. It also presents a design case and quantifies the energy savings for data center cooling achieved using this approach. Read more
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By Kelley Cramm, P.E., Fellow/Life Member ASHRAE
This column covers basic electrical concepts that mechanical designers need to know. It also discusses information each discipline needs from the other to create a safe, functional, code-compliant design. Read more
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| Live from the 2024 AHR Expo show floor, Glenn Friedman, Jamie Kono, Mike Williams and Drew Champlin as discuss recent updates to Standard 100-2024 and how decarbonization initiatives are shaping the industry. The new Standard 100 addresses key issues of climate change surrounding building performance, including new metrics for greenhouse gas emissions targets, continuing to carry the heavy weight of improving our existing building stock and meeting global climate change commitments.
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|  | From left, Glenn Friedman, P.E., Fellow/Life Member ASHRAE; Jamie Kono, P.E., Associate Member ASHRAE; and Mike Williams, Member ASHRAE
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By Kathleen Owen, Fellow ASHRAE and Linda D. Lee, Dr.Ph., Member ASHRAE
This column covers how air cleaners may be the most cost-effective and easiest way to meet the air levels required to provide clean or cleaned air per person in occupied spaces in ASHRAE Standard 241, Standard Control of Infectious Aerosols. Read more
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This month’s issue of ASHRAE Journal includes topics such as air cleaners in ASHRAE Standard 241, how heat pumps work and an experimental analysis of high-power, direct-to-chip liquid cooling in data centers. Access the digital edition here.
All articles and columns published in ASHRAE Journal since 1997 are available in pdf format at no cost to members through ASHRAE’s Technology Portal.
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The use of computational fluid dynamics (CFD) at the early design stage is becoming more common as cloud computing delivers an order of magnitude faster simulation times, automated meshing, team collaboration, and powerful integrations with CAD/Visualization tools.
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As Organizations face growing pressure to reduce energy usage, GHG emissions, and meet sustainability goals, many facilities and operations personnel are looking for answers on how to get their building portfolio to Net Zero.
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