Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 28 for “"Indoor air quality (IAQ)"”.
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Improving Indoor Air Quality (IAQ) in Kuwaiti Housing Developments at Design, Construction, and Occupancy Stages
… natural ventilation a poor mechanism for good Indoor Air Quality (IAQ). Therefore, a mechanical or hybrid ventilation system is necessary. First of all, Kuwait is situated in the northeast of the Arabian Peninsula in Western Asia with a desert weather climate. The prevailing wind is north and …
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Improving the indoor air quality (IAQ) through application of the air cleaning technologies for offices building simulated in environmental chamber
Indoor air quality (IAQ) is very important issue in residential and commercial buildings, because human spend almost 90% of their life indoor. IAQ problems effect on the health of the occupants, and lead to reduction of the efficiency and output in workplaces. The main objective of this study is to …
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An indoor air quality case study: the diagnosis and remediation of Cowgill Hall's IAQ problem
This case study documents the entire indoor air quality (IAQ) problem experienced by the students, faculty and staff of Cowgill Hall on the campus of Virginia Polytechnic Institute and State University from August 1987 to August 1988, recommends a general IAQ solution process and makes several …
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Advancing Indoor Air Pollution Research: A Novel Integration of AI, IoT, and Behavioural Science for Enhanced Indoor Air Quality Monitoring and Behaviour Change
This thesis addresses global concerns over air quality, focusing on Indoor Air Quality (IAQ). It presents an interdisciplinary exploration into the integration of Artificial Intelligence (AI), the Internet of Things (IoT), and Low-Cost Sensors (LCS) for air quality monitoring. The research …
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Feed-Forward Neural Network (FFNN) Based Optimization Of Air Handling Units: A State-Of-The-Art Data-Driven Demand-Controlled Ventilation Strategy
Heating, ventilation and air conditioning systems (HVAC) are the single largest consumer of energy in commercial and residential sectors. Minimizing its energy consumption without compromising indoor air quality (IAQ) and thermal comfort would result in environmental and financial benefits. …
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Determination and control of some pollutants in indoor environments
Unsatisfactory indoor air quality (IAQ) may result from polluting emissions that are spread from building materials such as volatile organic compounds (VOCs) and/or microbial components or from various kinds of human activity such as smoking. Different methods are available to limit the exposure to …
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The architectural design process and indoor air quality
… and as if it is occupied by users. Although, indoor air quality (IAQ) has been discussed for almost thirty years, it is a new subject for architects from the architectural design point of view. Most of the time, the subject is defined as an engineering problem. However anything related to the …
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Properties and environmental impact of recycling cigarette butts (CBs) in fired clay brick
… and mechanical properties, leachability and indoor air quality. Therefore, clay soil samples obtained from Hoe Guan Brick Sdn Bhd were used as control in this research while 2.5% and 5.0% by weight of CBs were incorporated into the clay bricks for subsequent experiments. Different heating …
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Effects of indoor air quality on the occupant's health and productivity in an office building
Indoor Air Quality (IAQ) is an important parameter in deciding the status of Sick Bulding Syndrome (SBS). Poor IAQ which leads to SBS can result in adverse effect on the health of the occupant which causing lower productivity. This study was conducted to establish correlation between IAQ and …
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Study of building material emissions and indoor air quality
… materials and furnishings emit a wide variety of indoor pollutants, such as volatile organic compounds (VOCs). At present, no accurate models are available to characterize material emissions and sorption under realistic indoor conditions. The objective of this thesis is to fill that gap. Using the …
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CFD and Deep Learning Based Natural Ventilation Analysis in Buildings
… and is also a promising solution for addressing indoor air quality (IAQ) issues such as those related to COVID-19. This thesis examines the efficacy of wind-driven cross-ventilation for a low-rise residential building with complex geometry and internal partitions typical of common constructions …
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Comparative study of indoor air contaminants in different stages of new building occupancy: work environment assessment
Indoor Air Quality (IAQ) is a part of Building Environment. Nowadays, the construction of new building took place over the world. Upon new building occupancy, a lot of indoors material was used without IAQ concern. This study has been conducted in a new constructed building of the National …
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Comparative study of indoor air contaminants in different stages of new building occupancy: work environment assessment
Indoor Air Quality (IAQ) is a part of Building Environment. Nowadays, the construction of new building took place over the world. Upon new building occupancy, a lot of indoors material was used without IAQ concern. This study has been conducted in a new constructed building of the National …
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A NOVEL APPROACH TO NEAR-REAL TIME MONITORING OF VENTILATION RATE AND INDOOR AIR QUALITY IN RESIDENTIAL HOUSES
… a methodology is developed to determine the air change rate (ACH) and indoor air quality (IAQ) in near-real time by combining a physics-based infiltration model with a tracer gas decay test method. The methodology is applicable to naturally ventilated houses. Existing infiltration models are …
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Soft Sensing-Driven CO<sub>2</sub> Predictive Models in Educational Buildings
Indoor Air Quality (IAQ) plays a vital role in occupant well-being. Among various factors, CO2 concentration impacts the productivity and cognitive functions of occupants. Different strategies can be utilized to improve IAQ, including context-aware ventilation, air purification technologies, and …
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The antifungal coating of different wall finishing towards growth inhibition of aspergillus niger
Indoor air quality (IAQ) is an essential factor which directly affects human and the comfort of building occupants. The concentration of fungi, humans, animals and others contribute to indoor air pollutants and can cause a syndrome known as sick building syndrome. In this study, the growth of fungi …
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Health risk effect of indoor air quality index at adaptive reused museum in Malaysia
… studies conducted on the risk assessment of the indoor air quality (IAQ) which affect towards the people in the public building, especially in the museum. As one of the environmental risk assessment tool, the environmental quality index was utilised to determine whether the current location …
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Application of palm shell activated carbon filter as a medium of indoor air contaminant adsorbent for indoor air quality improvement
… gained significant interest on improvement of indoor air quality (IAQ) by reducing level of pollutant. The interest of reseachers in palm shell AC (PSAC) keep increase owing to the fact that this material has superior characteristic as compared to commercial AC. However, the investigation of …
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An Assessment of Indoor Air Quality at Two Contrasting Location and Building Ventilation Types in London
Background: People spend most of their time indoors, in buildings such as schools and offices, as well as their homes. Recent interest in Indoor Air Quality (IAQ) suggests that the contribution of outdoor pollutants and indoor airborne particulate and gaseous pollutants may be responsible for the …
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