Natural ventilation and indoor air quality in educational buildings: experimental assessment and improvement strategies

Almeida, Ricardo M. S. F.; Pinto, Manuel; Pinho, Paulo; Lemos, Luís Teixeira de

doi:10.1007/s12053-016-9485-0

Cited by 44 publications

(35 citation statements)

References 35 publications

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“…Ventilation is a sustainable way to maintain student health and a thermally comfortable environment; students who spend a large amount of their time in the classroom are more vulnerable than adults to the adverse effects of indoor pollutants [31].…”

Section: Design Attributes For Classroom Renovationmentioning

confidence: 99%

“…For example, aggression and destructive behavior increase as the number of children in the classroom increases [37]. In such high-density classrooms, children tend to experience excessive Ventilation is a sustainable way to maintain student health and a thermally comfortable environment; students who spend a large amount of their time in the classroom are more vulnerable than adults to the adverse effects of indoor pollutants [31].…”

Section: Design Attributes For Classroom Renovationmentioning

confidence: 99%

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From Uniformity to Sustainable Diversity: Exploring the Design Attributes of Renovating Standardized Classrooms in Korea

2019

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Modern school buildings in South Korea, which were until the 1990s typically designed with standardized and monotonous features based on drawings provided by the government, are shifting to more well-designed spaces under a student-centered approach in this more creative and imaginative era. The purpose of this study is to examine the renovation priorities of design features based on the preferences of architects and educators, paying particular attention to classroom design for enhancing students’ spatial and aesthetic experiences. For this unusual approach, architects and school educator groups, who jointly plan the renovation of traditional classrooms, were surveyed on classroom design features and the spatial and aesthetic experiences of students. Forty-nine responses were analyzed using an importance–satisfaction analysis (ISA). The gap analysis for all respondents showed significant differences—a significance level of 0.05 between importance and satisfaction—in 31 design attributes in traditional and standardized classrooms. Both the architects and the school educator groups designated five attributes as being of the highest priority for the classroom renovations: ventilation, overall classroom shape, shape of furniture, floor material, and furniture material. Results of these analyses could become considerations for future classroom renovations by local governments to enhance educational environments. In addition, policy recommendations for applying the results of this study to be sustainable classroom renovation throughout South Korea could be an important topic of discussion.

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Section: Design Attributes For Classroom Renovationmentioning

confidence: 99%

Section: Design Attributes For Classroom Renovationmentioning

confidence: 99%

From Uniformity to Sustainable Diversity: Exploring the Design Attributes of Renovating Standardized Classrooms in Korea

2019

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“…Furthermore, recent studies have addressed the significant role of natural ventilation in improving the indoor environmental conditions in classrooms. Almeida, Pinto et al. (2017) investigated the IAQ in 8 schools and evaluated the potential to improve the IAQ by simple natural ventilation strategies.…”

Section: Introductionmentioning

confidence: 99%

Simulation study for natural ventilation retrofitting techniques in educational classrooms – A case study

Ma’bdeh

Al-Zghoul

Al-Radaideh

et al. 2020

Heliyon

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Building retrofitting plays a critical role in achieving sustainable development and is an efficient way to improve the indoor air quality (IAQ) of existing spaces. The IAQ in classrooms has a significant impact on the health and academic achievement of students. However, improving the IAQ of existing classrooms is challenging if minimum architectural modifications are allowed. Different natural ventilation retrofitting techniques were proposed to improve the IAQ in existing classrooms at Jordan University of Science and Technology, which is located in a hot arid region. Computer simulations were used to analyze the ventilation rate, indoor operative temperature, relative humidity, and CO 2 concentration in the base Case classroom and after the implementation of the proposed retrofitting techniques. Simulation results were compared with those obtained in the base case to determine the most efficient natural ventilation retrofitting technique. The best results were obtained by using a solar chimney to assist a wind tower, which resulted in an increase in the comfort hours during the occupation time, an improvement in the average monthly ventilation rate range, a decrease in the CO2 concentration, and an improvement in the relative humidity ratio. An energy-saving of 39% would be achieved compared with the use of split unit air condition systems. Economic assessment of the proposed system using net present value indicates positive economic viability.

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“…Some of these innovative actions are green roofs, green shadow structures for walls or natural ventilation measures. With regard to the latter action, as a complementary to the use of various NBS, it will promote a significant decrease in the indoor temperature and energy consumption [7], and improve the air quality [2], [8]. National and international regulations offer many options and guidelines for the design of different ventilation protocols [9], [10].…”

Section: Introductionmentioning

confidence: 99%

Prediction of Thermal Comfort and Energy Behaviour Through Natural-Based Solutions Implementation: A Case Study in Badajoz, Spain

Gómez

Vázquez

Alonso

et al. 2020

WIT Transactions on the Built Environment

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Climate change impacts particularly affect vulnerable populations such as children. Therefore, it is necessary to address the adaptation of educational buildings to prevent their negative impact on school performance and to increase their resilience. This study is part of an ongoing project, LIFE myBUILDINGisGREEN (LIFE17 CCA/ES/000088), which aims to optimise learning conditions in schools in southern Europe affected by heat waves during warmer months. This first part of the project focuses on predicting the impact of nature-based solutions (NBS) implementation. The main concern of this stage is to analyse the benefits on both interior comfort and energy efficiency. This paper presents the results of the influence on space cooling demand via dynamic building simulations after successively applying the different NBS. Further improvements in indoor environmental conditions such as CO2 concentration reductions will be evaluated later. For this purpose, a demonstration building, located in southern Spain, characterized in terms of thermophysical parameters of the envelope and air infiltrations was selected. The energy model was calibrated with actual monitoring data. Different scenarios have been analysed through an energy prediction software, leading to a wide range of outcomes in terms of improvements in both energy demand-assuming a cooling system-and temperature reduction.

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Natural ventilation and indoor air quality in educational buildings: experimental assessment and improvement strategies

Cited by 44 publications

References 35 publications

From Uniformity to Sustainable Diversity: Exploring the Design Attributes of Renovating Standardized Classrooms in Korea

From Uniformity to Sustainable Diversity: Exploring the Design Attributes of Renovating Standardized Classrooms in Korea

Simulation study for natural ventilation retrofitting techniques in educational classrooms – A case study

Prediction of Thermal Comfort and Energy Behaviour Through Natural-Based Solutions Implementation: A Case Study in Badajoz, Spain

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