Abstract

Global climate change and urban heat islands have generated heat stress in summer, which does harm to people’s health. The outdoor public commercial pedestrianized zone has an important role in people’s daily lives, and the utilization of this space is evaluated by their outdoor thermal comfort and health. Using microclimatic monitoring and numerical simulation in a commercial pedestrianized zone in Tai Zhou, China, this study investigates people’s outdoor thermal comfort in extreme summer heat. The final results provide a comprehensive system for assessing how to improve outdoor human thermal health. Under the guidance of this system, local managers can select the most effective strategy to improve the outdoor thermal environment.

Highlights

  • The rapid development of urbanization in China brings convenient lifestyles, and the serious deterioration of living environments, such as the urban heat island in the summer, which can negatively influence human thermal comfort [1]

  • Human thermal comfort is largely determined by different meteorological parameters, including wind velocity, air temperature, relative humidity and mean radiant temperature [3]

  • In accordance with previous studies, people’s thermal comfort in the outdoor environment will be affected by different urban design parameters including aspect ratio

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Summary

Introduction

The rapid development of urbanization in China brings convenient lifestyles, and the serious deterioration of living environments, such as the urban heat island in the summer, which can negatively influence human thermal comfort [1]. Human thermal comfort is largely determined by different meteorological parameters, including wind velocity, air temperature, relative humidity and mean radiant temperature [3]. All of these together can alter the energy exchange of the human body through radiation, conduction and convection. In accordance with previous studies, people’s thermal comfort in the outdoor environment will be affected by different urban design parameters including aspect ratio

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