A building is an assemblage that is firmly attached to the ground and provides the performance of human activities and need to be considered in the daily operation in that building. The improvements in building performance are focused on improving the energy efficiency of buildings. This is approach by designing heating, ventilation and air conditioning (HVAC) duct system due to one of the most utilized energy in maintaining building performance and environment. The objectives of this research is to calculate the air (CFM) supply in office building, to characterize the velocity and head loss in a round and rectangular HVAC ducting system at various duct thickness and to optimize the thickness of the duct in HVAC system according to ASHRAE Standard. The increasing of velocity in duct system shows the increasing of head loss. The round duct design gives the lowest velocity and head loss in HVAC system approximately around 9.35% as compared to rectangular duct at 0.06 inches thickness. Hence, the trends of the head loss and duct thickness has influenced in reducing noise in HVAC duct system in order to select the best design concepts which is round shape design.
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3 May 2021
PROCEEDINGS OF GREEN DESIGN AND MANUFACTURE 2020
23–24 July 2020
Arau, Malaysia
Research Article|
May 03 2021
Characterization of flow rate and heat loss in heating, ventilation and air conditioning (HVAC) duct system for office building
Nik Normunira Mat Hassan;
Nik Normunira Mat Hassan
a)
1
Plant Reliability and Process Technology (PROTECH), Faculty of Engineering Technology, Universiti Tun Hussein Onn Malaysia
, Johor, Malaysia
a)Corresponding author: [email protected]
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A. M. Leman;
A. M. Leman
b)
2
Occupational Safety, Health and Working Environment (OSH-WE) Research Group, Faculty of Engineering Technology, Universiti Tun Hussein Onn Malaysia (UTHM)
, Johor, Malaysia
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Muhammad Alif Mohamed Noor Zafarullah;
Muhammad Alif Mohamed Noor Zafarullah
c)
1
Plant Reliability and Process Technology (PROTECH), Faculty of Engineering Technology, Universiti Tun Hussein Onn Malaysia
, Johor, Malaysia
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Zuliazura Salleh;
Zuliazura Salleh
d)
1
Plant Reliability and Process Technology (PROTECH), Faculty of Engineering Technology, Universiti Tun Hussein Onn Malaysia
, Johor, Malaysia
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K. A. Rahman;
K. A. Rahman
e)
3
Politeknik Tun Syed Nasir Syed Ismail (PTSN)
, Johor, Malaysia
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Rais Hanizam Madon;
Rais Hanizam Madon
f)
1
Plant Reliability and Process Technology (PROTECH), Faculty of Engineering Technology, Universiti Tun Hussein Onn Malaysia
, Johor, Malaysia
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S. Muzarpar;
S. Muzarpar
g)
2
Occupational Safety, Health and Working Environment (OSH-WE) Research Group, Faculty of Engineering Technology, Universiti Tun Hussein Onn Malaysia (UTHM)
, Johor, Malaysia
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A. R. Shayfull Zamree
A. R. Shayfull Zamree
h)
4
Green Design and Manufacture Research Group, Center of Excellence Geopolymer and Green Technology (CEGeoGTech), Universiti Malaysia Perlis
, Perlis, Malaysia
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AIP Conf. Proc. 2339, 020173 (2021)
Citation
Nik Normunira Mat Hassan, A. M. Leman, Muhammad Alif Mohamed Noor Zafarullah, Zuliazura Salleh, K. A. Rahman, Rais Hanizam Madon, S. Muzarpar, A. R. Shayfull Zamree; Characterization of flow rate and heat loss in heating, ventilation and air conditioning (HVAC) duct system for office building. AIP Conf. Proc. 3 May 2021; 2339 (1): 020173. https://doi.org/10.1063/5.0044697
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