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Buildings
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Indoor Air Quality: Differences in Working Environments for Different Practitioners
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Indoor Air Quality: Differences in Working Environments for Different Practitioners

A special issue of Buildings (ISSN 2075-5309). This special issue belongs to the section "Building Energy, Physics, Environment, and Systems".

Deadline for manuscript submissions: closed (31 August 2024) | Viewed by 3055

Special Issue Editors

Dr. Zhu Cheng

E-Mail Website
Guest Editor
College of Architecture and Environment, Sichuan University, Chengdu 400045, China
Interests: IAQ; thermal plume; health risk assessment; heating ventilation and air conditioning; thermal environment
Dr. Hongli Sun

E-Mail Website
Guest Editor
College of Architecture and Environment, Sichuan University, Chengdu 400045, China
Interests: building energy saving; green building; HVAC system; building simulation; thermal comfort
Dr. Zhongming Bu

E-Mail Website
Guest Editor
Department of Energy and Environmental System Engineering, Zhejiang University of Science and Technology, Hangzhou 310023, China
Interests: indoor air quality; SVOC; mass transfer; exposure assessment; air cleaning

Special Issue Information

Dear Colleagues,

Indoor environments significantly affect human health, wellbeing, and productivity since people spend most of their time indoors. With economic growth, people not only pay attention to their living environment but also to the indoor environment of the workplace. Different types of work can lead to different indoor environmental conditions. Studying the indoor air quality of different working environments can help comprehensively optimize and improve the indoor environment, improve working efficiency, and ensure personal health.

The main aim of this Special Issue is to explore the recent challenges and developments of indoor air quality in working environments. Topics include but are not limited to:

  • Indoor air quality (IAQ) and health;
  • Health risk assessment;
  • Air purification and disinfection;
  • Indoor climate control;
  • Indoor pollutant exposure and health;
  • Air distribution;
  • Heat, mass, and moisture transfer;
  • Mechanical (heating, ventilation, air conditioning, and refrigeration—HVAC&R) systems;
  • Pollutant emission, identification, and control.

Dr. Zhu Cheng
Dr. Hongli Sun
Dr. Zhongming Bu
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Buildings is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • indoor air quality
  • built environment
  • thermal comfort
  • measurement
  • numerical method
  • built environment optimization

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Further information on MDPI's Special Issue polices can be found here.

Published Papers (4 papers)

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Research

26 pages, 8182 KiB  
Article
A Data Mining-Based Method to Disclose Usage Behavior Patterns of Fresh Air Systems in Beijing Dwellings during the Heating Season
by Sijia Gao, Song Pan, Yiqiao Liu, Ning Zhu, Tong Cui, Li Chang, Xiaofei Han and Ying Cui
Buildings 2024, 14(10), 3235; https://doi.org/10.3390/buildings14103235 - 12 Oct 2024
Viewed by 430
Abstract
As the popularity of fresh air systems (FAS) in residential buildings increases, exploring the behavioral characteristics of their use can help to provide a comprehensive understanding of the potential for demand flexibility in residential buildings. However, few studies in the past have focused [...] Read more.
As the popularity of fresh air systems (FAS) in residential buildings increases, exploring the behavioral characteristics of their use can help to provide a comprehensive understanding of the potential for demand flexibility in residential buildings. However, few studies in the past have focused on the personalized usage behavior of FAS. To fill this gap, this study proposes a method based on data mining techniques to reveal the behavioral patterns of FAS usage and the motivations behind them, including motivational patterns, operation duration patterns, and human–machine interaction patterns, for 13 households in Beijing. The simultaneously obtained behavioral patterns, in turn, form the basis of association rules, which can classify FAS usage behavior into two typical residential user profiles containing user behavioral characteristics. This study can not only provide more accurate assumptions and inputs for behavioral stochastic models but also provide data support for the development and optimization of demand response strategies. Full article
(This article belongs to the Special Issue Indoor Air Quality: Differences in Working Environments for Different Practitioners)
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17 pages, 3629 KiB  
Article
Exploring the Impact and Prevention of Epidemics Based on Inter-Animal Transmission from an Environmental Perspective
by Yuxuan Liao, Yonghong Jia, Luyao Guo, Zhu Cheng, Xingchi Jiang, Wenxin Hu and Enshen Long
Buildings 2024, 14(9), 2974; https://doi.org/10.3390/buildings14092974 - 20 Sep 2024
Viewed by 394
Abstract
Respiratory infectious diseases are more likely to occur in indoor environments. Therefore, the probability of transmission when sharing the same indoor space with an infected individual for a certain period of time has an impact on the response measures to influenza outbreaks. The [...] Read more.
Respiratory infectious diseases are more likely to occur in indoor environments. Therefore, the probability of transmission when sharing the same indoor space with an infected individual for a certain period of time has an impact on the response measures to influenza outbreaks. The experimental methods for studying indoor transmission risks present significant operational challenges. Hence, to accurately predict the process of virus transmission in human living environments, it is crucial to use animal experiments in controlled environments. This study extensively reviews classical documents, taking into account exposure methods as well as environmental factors such as temperature, humidity, viral release intensity, and ventilation frequency. Based on the reference to animal experiments, the analogy law between the animal experiment environment and the human living environment is put forward. For human society, a dynamic respiratory infectious disease model that takes environmental factors into account is developed. The incidence probability of susceptible populations and the law of respiratory virus transmission at a certain time and space are explored. Ultimately, the statistical analysis revealed that temperature and susceptible people, followed by humidity and ventilation frequency, are the most sensitive factors influencing disease outbreak. In conclusion, this research provides a new reference model for predicting the spread of respiratory infectious diseases. It expands the application scope of animal experiments and offers guidance for setting environmental factors in animal virus transmission experiments, assessing the likelihood of infection in human living environments, guiding human behavior, and preparing for future virus outbreaks. Full article
(This article belongs to the Special Issue Indoor Air Quality: Differences in Working Environments for Different Practitioners)
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16 pages, 6033 KiB  
Article
A Method to Optimize Dormitory Environments Based on Personnel Behavior Regulation
by Xiaojun Yang, Junji Zhang, Yiming Cheng, Xin Weng, Ruyu Yin, Luyao Guo and Zhu Cheng
Buildings 2024, 14(7), 2111; https://doi.org/10.3390/buildings14072111 - 10 Jul 2024
Viewed by 684
Abstract
With the development of the economy, the indoor environment of college dormitories has received significant attention. This study focused on the problems of high population densities and poor indoor environments in Chinese dormitories. CO2 and formaldehyde concentrations were measured using field tests [...] Read more.
With the development of the economy, the indoor environment of college dormitories has received significant attention. This study focused on the problems of high population densities and poor indoor environments in Chinese dormitories. CO2 and formaldehyde concentrations were measured using field tests and satisfaction was investigated using a questionnaire. In this study, a questionnaire survey was conducted on the indoor environment of student dormitories. The results demonstrated that poor indoor air quality was a common occurrence in student dormitories. The students proposed several improvement measures, including increasing the number of window openings and using mechanical ventilation. This study conducted real-time monitoring of indoor and outdoor CO2 concentrations at night when students were asleep. The results demonstrated that when the windows were closed, indoor CO2 concentrations could exceed 3000 ppm, while when the windows were fully open, the indoor CO2 concentration was about 500 ppm. Formaldehyde concentrations in the dormitory were measured after the windows had been closed for more than 12 h. Additionally, the air exchange rates—calculated based on the tracer gas method—ranged from 0.034 to 0.395, with the smallest value observed when the windows were completely closed and the largest value observed when the windows were completely open. Based on the above conclusions, a window-opening mode was proposed that considers the Chinese students’ routine. This pattern could satisfy the indoor thermal comfort needs in winter as well as improve indoor air quality. Full article
(This article belongs to the Special Issue Indoor Air Quality: Differences in Working Environments for Different Practitioners)
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16 pages, 4935 KiB  
Article
Summer Thermal Challenges in Emergency Tents: Insights into Thermal Characteristics of Tents with Air Conditioning
by Mingli Xiang, Yuxuan Liao, Yonghong Jia, Wentao Zhang and Enshen Long
Buildings 2024, 14(3), 710; https://doi.org/10.3390/buildings14030710 - 7 Mar 2024
Cited by 1 | Viewed by 868
Abstract
Emergency tents face challenges in harsh weather conditions and sometimes require the use of air conditioning for indoor thermal environment control. However, their lightweight structure makes their control methods different from conventional buildings. This study focuses on the indoor thermal environment and thermal [...] Read more.
Emergency tents face challenges in harsh weather conditions and sometimes require the use of air conditioning for indoor thermal environment control. However, their lightweight structure makes their control methods different from conventional buildings. This study focuses on the indoor thermal environment and thermal comfort of air-conditioned tents during summer. Through experimental measurements, this study captures the distribution of air temperatures and inner surface temperatures within a tent, thus providing an understanding of the characteristics of indoor thermal environment in air-conditioned settings. Additionally, the numerical simulations conducted using the ANSYS FLUENT 2021 R1 calculate the Predicted Mean Vote (PMV) and Predicted Percentage Dissatisfied (PPD), thus contributing to a detailed analysis of the indoor thermal comfort states. The experiment revealed that the mean radiative temperature (MRT) inside the tent can exceed the air temperature by more than 10 °C. Even when the air temperature is around 26 °C, the excessively high MRT can cause occupants to feel uncomfortable, with the PMV exceeding 1.4 and the PPD surpassing 50%. Furthermore, the high MRT results in an increased demand for cooling airflow, with the cooling loss through gaps becoming a significant part in the cooling load. To ensure a comfortable thermal environment, the air-conditioning set temperature needs to be adjusted according to the weather conditions. For instance, even at the same air temperature of 35 °C, when solar radiation increases from 400 W/m2 to 1000 W/m2, the set temperature needs to be reduced from 24.7 °C to 20.7 °C. The findings of this study provide an important reference for establishing summer air-conditioning strategies for emergency tents. Full article
(This article belongs to the Special Issue Indoor Air Quality: Differences in Working Environments for Different Practitioners)
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