Provision of thermal comfort via user-centric radiant cooling elements: An experimental investigation: Fid-Bau Portal

Provision of thermal comfort via user-centric radiant cooling elements: An experimental investigation

Teufl, Helene / Schuß, Matthias / Mahdavi, Ardeshir

This contribution explores the performance of a usercentric radiant cooling approach. In comparison to conventional radiant cooling solutions, this approach i) positions radiant panels in close proximity to occupants, and ii) allows for panel surfaces temperatures below dew point and thus for potential surface condensation, which is dealt with via integrated water collection devices. The user-centric radiant panels were tested in a laboratory setting. Prototypical panels were installed in two mock-up office rooms. Twenty-eight participants evaluated thermal comfort (including radiant asymmetry and local thermal discomfort) for eight scenarios, including multiple panel surface temperatures as well as different ambient air temperatures. The results provide insights into the potential and limits of the proposed approach. Specifically, the findings pertain to panel surface temperatures, which are necessary to provide thermally comfortable conditions, as well as to surface condensation and radiant asymmetry. ; publishedVersion

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