Zhixin Liu

Zhixin Liu
The Chinese University of Hong Kong | CUHK · School of Architecture

Phd

About

12
Publications
4,657
Reads
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161
Citations
Introduction
Dr.Zhixin Liu currently works at the Institute of Future Cities, The Chinese University of Hong Kong. Dr. Liu's research focuses on urban climate/microclimate, especially the outdoor human thermal comfort, as well as the thermal effect of urban green & blue infrastructures.
Additional affiliations
November 2020 - November 2021
The Chinese University of Hong Kong
Position
  • PostDoc Position
Education
September 2018 - September 2019
Texas A&M University
Field of study
  • Outdoor human thermal comfort, thermal comfort model
September 2013 - June 2020
South China University of Technology
Field of study
  • Landscape Architecture, Outdoor Thermal Environment

Publications

Publications (12)
Article
Full-text available
Plant transpiration through stomata is crucial in land surface physical processes and the hydrosphere-atmosphere-biosphere water vapor cycle. Applying stomatal models to vertical greenery systems (VGSs) is challenging because of the unique plant habitat. However, VGSs are widely used in subtropical areas; thus, plant transpiration in these systems...
Article
To tackle urban overheating induced by the combined effect of global warming and intensive urbanization, researchers have recommended assimilating microclimate-related strategies into urban design practices. Field measurements, playing a central role in urban climatology, have been widely applied worldwide. Reviewing the last five years' field meas...
Article
Mean radiant temperature (MRT) is a significant variable for outdoor thermal comfort studies. Two measurement-based methods can estimate MRT, one is globe thermometer – cheap, easily-applied but relatively inaccurate, another is integral radiation measurement method (also known as the six-directional method) - accurate but expensive. Due to low-cos...
Article
Heat related morbidity and mortality, especially during extreme heat events, are increasing due to climate change. More Americans die from heat than from all other natural disasters combined. Identifying the populations and locations that are under high risk of heat vulnerability is important for urban planning and design policy making as well as h...
Article
Exercising in an unusually hot environment may aggravate exertional heat illness. Turf material significantly affects the microenvironment and heat-stress sensation of sports-field users. However, the difference in human- biometeorological effects between different sports-field turf materials demands further investigation. This study compared artif...
Article
Urban green and blue infrastructures (GBI) are considered an effective tool for mitigating urban heat stress and improving human thermal comfort. Many studies have investigated the thermal effects of main GBI types, including trees, green roofs, vertical greenings, and water bodies. Their physical characteristics, planting designs, and the surround...
Article
Trees are considered to be an effective tool for improving human thermal comfort in hot climates and have been widely used in landscape architecture. However, it is not always clear how trees affect human-environment energy fluxes. In this study, an in-depth analysis of four common tree species was undertaken based on comprehensive field measuremen...
Article
Full-text available
Better prediction of turbulent airflows around urban trees is necessary because it impacts urban pollutant dispersion, outdoor thermal comfort, energy efficiency, pedestrian-level comfort and urban heat island mitigation. A major challenge is how to obtain an accurate numerical model of the turbulent flow field around trees and an improved paramete...
Article
Full-text available
Shade creation and radiation modification by trees is an important way of alleviating the urban heat island and improving the outdoor thermal environment. However, a major challenge is still present in numerical models: How can shade creation and radiation modification by trees be realistically represented? To address this challenge, this paper pro...
Article
Full-text available
Tree morphology and characteristics are quite different among different tree species, leading to large differences in cooling performance across tree species, particularly across different climatic regions. To obtain microclimatic characteristics and data of the influence of common subtropical tree species on the outdoor thermal environment, this s...
Article
Full-text available
Urban trees can significantly improve the outdoor thermal environment, especially in subtropical zones. However, due to the lack of fundamental evaluations of numerical simulation models, design and modification strategies for optimizing the thermal environment in subtropical hot-humid climate zones cannot be proposed accurately. To resolve this is...

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