A systematic review on COVID-19 related research in HVAC system and indoor environment

Q1 Engineering Energy and Built Environment Pub Date : 2023-08-02 DOI:10.1016/j.enbenv.2023.07.009

Yaolin Lin , Jiajun Wang , Wei Yang , Lin Tian , Christhina Candido

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Abstract

The on-going COVID-19 pandemic has wrecked havoc in our society, with short and long-term consequences to people's lives and livelihoods - over 651 million COVID-19 cases have been confirmed with the number of deaths exceeding 6.66 million. As people stay indoors most of the time, how to operate the Heating, Ventilation and Air-Conditioning (HVAC) systems as well as building facilities to reduce airborne infections have become hot research topics. This paper presents a systematic review on COVID-19 related research in HVAC systems and the indoor environment. Firstly, it reviews the research on the improvement of ventilation, filtration, heating and air-conditioning systems since the onset of COVID-19. Secondly, various indoor environment improvement measures to minimize airborne spread, such as building envelope design, physical barriers and vent position arrangement, and the possible impact of COVID-19 on building energy consumption are examined. Thirdly, it provides comparisons on the building operation guidelines for preventing the spread of COVID-19 virus from different countries. Finally, recommendations for future studies are provided.

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暖通空调系统与室内环境新冠肺炎相关研究综述

持续不断的 COVID-19 大流行给我们的社会造成了巨大的破坏，给人们的生活和生计带来了短期和长期的影响--已确诊的 COVID-19 病例超过 6.51 亿例，死亡人数超过 666 万。由于人们大部分时间都呆在室内，如何操作供暖、通风和空调（HVAC）系统以及建筑设施以减少空气传播感染已成为热门研究课题。本文系统回顾了 COVID-19 在暖通空调系统和室内环境方面的相关研究。首先，它回顾了自 COVID-19 以来有关通风、过滤、供暖和空调系统改进的研究。其次，研究了减少空气传播的各种室内环境改善措施，如建筑围护结构设计、物理屏障和通风口位置安排，以及 COVID-19 对建筑能耗可能产生的影响。第三，比较了不同国家防止 COVID-19 病毒传播的楼宇操作指南。最后，对今后的研究提出了建议。

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