IJESD 2013 Vol.4(6): 637-642 ISSN: 2010-0264
DOI: 10.7763/IJESD.2013.V4.429
DOI: 10.7763/IJESD.2013.V4.429
Energy-Saving Effect of a Hybrid Air-Conditioning System Using Natural Ventilation in an Office Building
Tomoya Sakamoto and Yasuyuki Shiraishi
Abstract—The energy-saving effect of a hybrid A/C system
during operation phase in springtime was shown quantitatively
based on field measurements and numerical simulations. A
numerical model of the natural ventilation rate for a building
with flow control inlets and outlets was proposed in this study
by means of a thermal and air flow network analysis. The
prediction accuracy of this model was also verified by
performing a comparison with field measurements of a hybrid
A/C system in an existing office building. Power consumption
for A/C was reduced by about 20% on each floor by introducing
natural ventilation, and predicted energy savings for the system
was about 22.3% on average.
Index Terms—Natural ventilation, flow control, field measurement, thermal and airflow network analysis.
The authors are with The University of Kitakyushu, Japan (e-mail: t2mbb015@eng.kitakyu-u.ac.jp; shiraishi@kitakyu-u.ac.jp).
Index Terms—Natural ventilation, flow control, field measurement, thermal and airflow network analysis.
The authors are with The University of Kitakyushu, Japan (e-mail: t2mbb015@eng.kitakyu-u.ac.jp; shiraishi@kitakyu-u.ac.jp).
Cite:Tomoya Sakamoto and Yasuyuki Shiraishi, "Energy-Saving Effect of a Hybrid Air-Conditioning System Using Natural Ventilation in an Office Building," International Journal of Environmental Science and Development vol. 4, no. 6, pp. 637-642, 2013.
General Information
- ISSN: 2010-0264 (Print); 2972-3698 (Online)
- Abbreviated Title: Int. J. Environ. Sci. Dev.
- Frequency: Bimonthly
- DOI: 10.18178/IJESD
- Editor-in-Chief: Prof. Richard Haynes
- Managing Editor: Ms. Cherry L. Chen
- Indexing: Scopus (CiteScore 2022: 1.4), Google Scholar, CNKI, ProQuest, EBSCO, etc.
- E-mail: ijesd@ejournal.net
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