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A tailored indoor setup for reproducible passive daytime cooling characterization

Title data

Song, Qimeng ; Tran, Thomas ; Herrmann, Kai ; Lauster, Tobias ; Breitenbach, Maximilian ; Retsch, Markus:
A tailored indoor setup for reproducible passive daytime cooling characterization.
In: Cell Reports Physical Science. Vol. 3 (2022) Issue 8 . - No. 100986.
ISSN 2666-3864
DOI: https://doi.org/10.1016/j.xcrp.2022.100986

Official URL: Volltext

Project information

Project financing: Andere
ERC VISIRday, 714968

Abstract in another language

Passive daytime cooling materials can lower global energy consumption owing to their autonomous cooling capability. Although a significant number of passive cooling materials have been developed recently, their performance characterization is still challenging. Field tests experience high variability due to uncontrollable changes in environmental conditions. Here, we design an indoor setup to characterize the performance of passive cooling materials reproducibly and independently of weather and season. Outdoor measurement conditions are approximated using a liquid-nitrogen-cooled aluminum dome, a solar simulator, and a wavelength-selective inverse sky-window filter. In contrast to outdoor measurements, the results of various reference materials show remarkable precision and repeatability. Additionally, the impact of solar light intensity and temperature on the passive cooling performance can be experimentally investigated. Our setup is a first step in the development of a standardized test method to bring accuracy, reproducibility, and comparability to the emerging field of passive cooling materials.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Physical Chemistry I > Chair Physical Chemistry I - Univ.-Prof. Dr. Markus Retsch
Profile Fields > Advanced Fields > Polymer and Colloid Science
Profile Fields > Advanced Fields > Advanced Materials
Profile Fields > Emerging Fields > Energy Research and Energy Technology
Research Institutions > Research Centres > Bayreuth Institute of Macromolecular Research - BIMF
Research Institutions > Research Centres > Bayreuth Center for Colloids and Interfaces - BZKG
Research Institutions > Affiliated Institutes > Bavarian Polymer Institute (BPI)
Result of work at the UBT: Yes
DDC Subjects: 500 Science
Date Deposited: 03 Nov 2022 08:57
Last Modified: 03 Nov 2022 08:57
URI: https://eref.uni-bayreuth.de/id/eprint/72639