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A group of architects in West Africa are pushing to use mud over concrete to build houses. In countries such as Burkina Faso, as people have become wealthier, they have transitioned to using …
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Thermal comfort varies significantly between individuals and regions depending on factors such as activity level, clothing, space temperature and relative humidity. This study considers the estimation of thermal comfort parameters such as air temperature, mean radiant temperature, air velocity, emissivity of space, metabolic rates, and heat transfer coefficients to determine comfort index, predicted mean vote, and predicted percent of dissatisfied people. Several equipment were employed to...
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There is good evidence supporting the airborne transmission of many respiratory viruses (measles, influenza A, human rhinovirus and the novel SARS-CoV-2). Relative humidity (RH) is an important factor in understanding airborne transmission as it may impact both airborne survival, inactivation by biological decay, and the gravitational settling of the virusladen droplets. This study aimed to estimate and compare the impact of indoor relative humidity on the airborne infection risk caused by...
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Conducive attributes of physical learning environment of schools play a dominant role in the successful delivery of lessons for slow learners. This study aims to propose a framework towards achieving conducive attributes of preschool learning environment suitable for slow learners through literature review. In summary, the physical conditions including human comfort (visual, thermal, acoustic), spatial planning, quality of furnishing and finishing and safety features are important attributes...
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Assessments have been made of 153 classrooms in 27 schools in order to identify the impact of the physical classroom features on the academic progress of the 3766 pupils who occupied each of those specific spaces. This study confirms the utility of the naturalness, individuality and stimulation (or more memorably, SIN) conceptual model as a vehicle to organise and study the full range of sensory impacts experienced by an individual occupying a given space. In this particular case the...
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Temperatures in Africa are expected to increase by the end of the century. Heat-related health impacts and perceived health symptoms are potentially a problem, especially in public schools with limited resources. Students (n = 252) aged ~14–18 years from eight high schools completed an hourly heat-health symptom log over 5 days. Data loggers measured indoor classroom temperatures. A high proportion of students felt tired (97.2%), had low concentration (96.8%) and felt sleepy (94.1%) during...
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High temperature makes the children uneasy during classroom activities. This study examines the effect of air temperature to children‟s cognitive performance. The school profile was determined such as: the total number of teachers, number of enrollees, land area (sq.m.), number of buildings and number of trees was determined to support the analysis of the data collected. The respondents were the Top thirty (30) Grade V pupils from public city elementary school in the Bicol Region. The...
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Monitoring the thermal comfort of building occupants is crucial for ensuring sustainable and efficient energy consumption in residential buildings. Existing studies have addressed the monitoring of thermal comfort through questionnaires and activities involving occupants. However, few studies have considered disabled people in the monitoring of thermal comfort, despite the potential for impairments to present thermal requirements that are significantly different from those of an occupant...
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