Abstract
Hostel buildings prime objective is to provide better thermal environments to the students for their good health and learning performance. In India, a very few studies are done on the thermal environments of multi-storied naturally ventilated hostel buildings. We carried out a thermal comfort study in two mid-rise (~G+5 floors) naturally ventilated (NV) hostel buildings during monsoon season (August-September, 2018). The field study conducted for three consecutive weeks collecting 642 valid subjective responses with objective information regarding thermal parameters of 253 rooms. Statistical analysis of student’s responses and measured thermal environment variables was performed for assessing inter buildings effects, different weather conditions (rainy or cloudy) and daytime duration (morning, afternoon and evening), respectively. The study finds the mean thermal neutrality at 29.9°C for the studied group using Griffiths’ method. The results suggested that more than 80% of subjects were voting within central three categories when indoor operative temperature ranged between 28-32.1°C. The primary adaptive action of occupants includes switching on the fans (100%) followed by the opening of external doors (80%) and opening or closing of windows (55%) to restore thermal comfort in built environments.
Highlights
The government of India had started a new educational policy to make India a knowledge hub to provide more skilled professionals in science, technology, academics, and industries [1]
The present study evaluates existing thermal environment conditions in two multi-storeys newly constructed hostel buildings situated at premises of National Institute of Technology University, Jalandhar which falls under the composite climate of India [7]
The outdoor maximum temperature during monsoon season varies between 24‒36°C, and relative humidity varies between 75‒100 %
Summary
The government of India had started a new educational policy to make India a knowledge hub to provide more skilled professionals in science, technology, academics, and industries [1]. In India, more than 10 million students of different age group reside in the hostel's buildings across different climatic zones of the country [1, 2]. This creates a huge demand for infrastructure in terms of hostel buildings to accommodate students and provide better shelter and facilities for their academic endeavors. Hostel buildings are the special type of residential buildings where the prime objective of the built environment is to provide better thermal environments to the students for their good health and learning performance. The study assessed the effect of operative temperature on the thermal sensation of occupants during rainy and cloudy days [4]. The study analyzed the variation of thermal neutrality based on different occupancy and genders
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