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Albert-Ludwigs-Universität Freiburg im Breisgau (2016)

Analysis and evaluation of human thermal comfort conditions for Chinese cities, based on updated Köppen-Geiger classification

Yang, Shiqi [

Titre : Analysis and evaluation of human thermal comfort conditions for Chinese cities, based on updated Köppen-Geiger classification

Auteur : Yang, Shiqi [

Université de soutenance : Albert-Ludwigs-Universität Freiburg im Breisgau

Grade : Doctor rer. nat. 2016

Résumé
Based on the concepts of the macro scale, the meso scale, and the micro scale in meteorology, there are three parts consisting in this study. The Part One (Preliminary analysis) focused on the meso scale. Based on the meteorological data of 12 Chinese cities in 11 climate types from an updated Köppen-Geiger climate classification (KGC), the human thermal comfort (HTC) conditions on meso scale have been analysed mainly through the monthly frequencies of value classes. The analysis on meso scale depicted the background conditions of human-biometeorology, and it could be understood as the information on the temporal dimension. Based on the analysis in current study, there are possibilities to apply the temporally human-biometeorological information in urban planning, urban design, and urban management (urban-PDM), which involve the attention on human health, tourism, and energy consumption. Therefore, Part One has been regarded as the improvement of the method on human-biometeorological data analysis, especially for 12 Chinese cities in this study. The Part Two (Implementation of HTC in KGC) concentrated on macro scale. Due to the lack of the HTC information in the thresholds of world climate classifications, this study has explored an approach on how to describe the HTC information together with air humidity (AH) information in the threshold for distinguishing the HTC conditions on macro scale. The study in this level is the first attempt on how to implement the HTC information in the threshold of world climate classification. Based on the future global HTC information, more suitable building styles could be selected, more precise energy consumption (heating/cooling) could be budgeted, possible disease periods could be predicted, and the most suitable tourism season could be estimated in each climate type. The Part Three (Application in outdoor design) was on micro scale. In this part, a residential district with high-rise buildings has been selected as a sample district for the analysis and evaluation of HTC conditions on micro scale. Inside the residential district, the analysis of the HTC conditions before design and the evaluations of effects from community environment design have been performed under 12 groups of meteorological input settings, respectively. According to the distribution of the simulated HTC conditions, the community environment design has been provided individually through adding design elements (i.e. trees, hedges, grass, and water bodies) Meanwhile, after the 2nd round simulations, the mitigating effects of the design elements (i.e. the design scheme) have been evaluated. The analysis and evaluation could be considered as a set of approaches, by which the HTC information could be applied in the design practice. Through current study, not only the HTC conditions in 12 Chinese cities have been analysed and evaluated, but also a series of approaches for the application of HTC information on different scales have been obtained. All three parts in this study could be regarded as one kind of the exploration of the application of the human-biometeorological information, as well as the updated meteorological information on diverse scales

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