Please use this identifier to cite or link to this item: https://scholarbank.nus.edu.sg/handle/10635/223591
Title: PERFORMANCE EVALUATION OF HIGH VOLUME LOW SPEED FAN IN SEMI-OUTDOOR SPACE
Authors: SOH KENG FONG WILSON
Keywords: Building
PFM
Project and Facilities Management
Cheong Kok Wai David
2014/2015 PFM
High volume low speed fan
Semi-outdoor
Thermal comfort
Tropics
Issue Date: 29-Jul-2015
Citation: SOH KENG FONG WILSON (2015-07-29). PERFORMANCE EVALUATION OF HIGH VOLUME LOW SPEED FAN IN SEMI-OUTDOOR SPACE. ScholarBank@NUS Repository.
Abstract: High Volume Low Speed (HVLS) fans are seen extensively used in the natural environment around Singapore. As there is an increasing use of HVLS fans as an option to provide thermal comfort in outdoor space, the effectiveness of HVLS fans to provide thermal comfort for occupants should be examined closely to substantiate its cooling function, especially in a semi-outdoor space in the tropics. Objective measurements and subjective assessments were conducted at an experimental setup to evaluate the thermal conditions and thermal sensations delivered by HVLS fans in a semi-outdoor space. Analysis of objective and subjective data showed that the HVLS fan was able to improve thermal conditions and lower thermal sensation votes to a limited extent at the semi-outdoor space. This is coherent with the data collected, where regression analysis showed that with HVLS fan in the semi-outdoor environment, thermal neutrality can be obtained at 29.4°C, at a higher operative temperature. The thermal performance of the HVLS fan in a semi-outdoor space is highly dependent on the thermal conditions of the outdoor, which was found to be only able to povide thermal comfort within a limited range of warmth. Respondents were observed to have shown high percentage of acceptability in the semi-outdoor space at different periods of the day, which also proved that acclimatization has allowed most people to be adapted and accustomed to the hot and humid environment of Singapore.
URI: https://scholarbank.nus.edu.sg/handle/10635/223591
Appears in Collections:Bachelor's Theses

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