Water Body Effect on Microclimate in Summertime: A Case Study from Pécs

Albdour, Mohammad S. and Baranyai, Bálint (2019) Water Body Effect on Microclimate in Summertime: A Case Study from Pécs. POLLACK PERIODICA, 14 (3). pp. 131-140. ISSN 1788-1994 (print); 1788-3911 (online)

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Abstract

The relationship between water body (fountains) scale and climate parameters like wind speed, air temperature, relative humidity, as well as thermal comfort index was modeled and analyzed via Envi-met code. Taking the water impact and factors analysis as a research object, the factors mainly discussed in this research are square area to water-body area ratio and the location of the water element. However, the computational fluid dynamics simulations were conducted on the following scenarios: 3% (original base case), 6%, and 9% of the total square’s area, then the outputs of the two simulation results were compared to the original base case. The results revealed that water scale has a slight effect on the micro-climate of the built environment in the summertime in moderately warm-wet climate zone. However, it is beneficial to adjust temperature and humidity in public spaces of central European cities. Nonetheless, the main aim of this paper is to quantitatively investigate the impact of the water bodies on the urban weather parameters and human thermal comfort under the influence of different scale ratios in Pecs-Hungary.

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