A STUDY ON PERSONAL COOLING DEVICES FOR WARMER TEMPERATURE
INDOOR ENVIRONMENTS
LIEW JIA MING
LIEW JIA MING
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Abstract
Singapore relies heavily on Heating, Ventilation and Air Conditioning (HVAC) systems
for its cooling purpose for its tropical climate and air-conditioning systems are used
extensively to cool down buildings and spaces. This method of cooling is extremely
energy intensive as it lowers temperature with little air movement and exacerbates the
urban heat island effect where heat is being trapped in building components, causing the
overall temperature of the area to increase.
An alternative cooling method to air-conditioning systems would be to use personal
cooling devices. According to the University of Sydney (2022), an increase in air
movement in an indoor environment has shown to lower skin temperature. It works by
generating volumetric airflow across the skin surface to achieve higher levels of heat
loss despite the warmer temperature. Thus, fans are a cost-effective and eco-friendly
solution to cool down one’s skin’s temperature and can be used as a tool to achieve both
comfort and sustainability goals.
This report will explore the use of personal cooling devices as an alternative in the
warmer climate of Singapore by using a thermal manikin as the test subject to explore
various volumetric airflow across different body parts to determine the cooling effect on
the skin temperature
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Date
2023
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Dissertation