Discover key learnings and observations on working with passive cooled DC and why heat recovery is a clear solution for your next data centre.

Join Daniel Traynor, Queen Mary University of London, and Simon Atack, University of Birmingham, for a two-part episode of Tech Takes, recorded live at Networkshop 2025.

First, explore a successful data centre refurbishment project. Queen Mary University of London (QMUL) has recently finished refurbishing one of its data centres, using heat recovery into a district heating system. After 20 years of operation, the original data centre was in need of significant refurbishment with a growing awareness of climate change and need to increase the capacity to support big science in our case the ATLAS experiment at the LHC collider in CERN.

In our second half of the episode, we explore the insights and observations around direct liquid cooling systems. Discover some of the key reasons why you should think about direct liquid cooling systems as the future for your data centre. Consider consequences that rarely get thought about/missed that could become very important for the future of internet of things. Explore the consequences of bad planning/maintenance.

Show notes

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Episode guest

Daniel Traynor, senior grid cluster manager, Queen Mary University of London

Simon Atack, principal research infrastructure engineer, University of Birmingham