| Issue |
E3S Web Conf.
Volume 111, 2019
CLIMA 2019 Congress
|
|
|---|---|---|
| Article Number | 02072 | |
| Number of page(s) | 6 | |
| Section | Indoor Environment Quality and Others | |
| DOI | https://doi.org/10.1051/e3sconf/201911102072 | |
| Published online | 13 August 2019 | |
Enhancing cooling performance via airflow temperature fluctuations
1 University of Ljubljana, Faculty of Mechanical Engineering, Ljubljana SI-1000, Slovenia
2 Korona inženiring d.d., Ljubljana, SI-1000, Slovenia
* Corresponding author:
In ventilated and air-conditioned indoor environment, air movement substantially impacts thermal sensation and comfort of occupants from the point of view of whole body and local thermal sensation. Skin temperature and its rate of change are important factors for thermal sensation. Both are affected by the airflow velocity and temperature changes around the body which causes skin temperature fluctuations and changes in convective heat transfer. In this study the impact of temperature fluctuations in airflow on human thermal sensation was examined. For the purposes of the study, an air handling unit was designed for generating airflows with temperature fluctuations and used in a subjective experiment. The experimental study indicates that temperature fluctuations possibly influence the human perception of air movement with a distinct cooling effect.
© The Authors, published by EDP Sciences, 2019
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