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 Journal Article   Open Access   Published 
 Journal of Environmental Science Revolution (ISSN 2435-726X)  Crossmark

Energy efficiencies model for thermal comfort in urban applications  2022, 3 (1): 1-17  DOI 10.37357/1068/jesr/3.1.01

Vaibhav Rai Khare 
Environmental Design Solutions, New Delhi, Delhi, India

Vaishaly 
Environmental Design Solutions, New Delhi, Delhi, India

Mir Sayed Shah Danish 
Energy Systems (Chubu Electric Power) Funded Research Division, Institute of Materials and Systems for Sustainability (IMaSS), Nagoya University, Japan

Mahdi Khosravy 
Cross Labs, Cross-compass Ltd., Tokyo, Japan

Abdul Matin Ibrahimi 
Department of Electrical and Electronics Engineering, Faculty of Engineering, University of the Ryukyus, Okinawa, Japan

Alexey Mikhaylov 
Research Center of Monetary Relations, Financial University under the Government of the Russian Federation, Moscow, Russian Federation

Tomonobu Senjyu 
Department of Electrical and Electronics Engineering, Faculty of Engineering, University of the Ryukyus, Okinawa, Japan

Improving people's standard of living has increased their requirements for the environment. Increasing air temperature in urban areas due to urban heat islands (UHI) has been a global concern since industrialization. Apart from suitable facilities and landscapes, a comfortable outdoor thermal environment can improve the efficiency of urban space use. Ensuring outdoor comfort is an integral part of the design agenda where the UHI phenomenon plays a significant role. A study has been conducted on a residential building campus to analyze the effect of these heat island countermeasures (individual and combined) with the help of the simulation tool Grasshopper. A 3D reference model of a small residential campus is developed. The outdoor thermal comfort level is studied for this case, and Universal Thermal Climate Index (UTCI) is evaluated. Further, several UHI mitigation strategies such as wall and roof reflectivity, vegetation, plantation, pavement configuration, and shading are applied to find their effect on the micro-climate and outdoor thermal comfort. Based on the simulation outcomes, urban geometry is identified as the most influential design factor in decreasing the urban heat island effect and outdoor thermal comfort. The study's principal objective is to develop a simulation framework including all mitigation strategies and find the best case for UHI reduction.
 
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