Journal Energies (ISSN 1996-1073) [616844]

Journal Energies (ISSN 1996-1073)
Manuscript ID energies-220115
Type Article
Number of Pages 26
Title Heating performance and part load ratio characteristics of boiler staging in office
building
Authors Da Young Lee, Byeong Mo Seo, Yeo Beom Yoon, Kwang Ho Lee *
Abstract Commercial buildings in Korea account for about 30% of the total energy and occupy
a large portion. Commercial buildings account for significant portions of the total
building energy in Korea and thus a variety of research on the boiler operation was
carried out thus far. However, most of the researches were carried out on the Boiler
itself, i.e., the part load ratio characteristics and the corresponding Gas energy
consumption patterns were not analyzed in the existing studies. In this study, the
part load ratio and the operating characteristics of gas boiler were analyzed within an
office building equipped with the conventional variable air volume system. In
addition, the gas consumption among different boiler staging schemes was
comparatively analyzed. As a result, significant portions of total operating hours,
heating load and energy consumption was found to be in the part load ratio range of
0 through 40% and thus the energy consumption was significantly affected by Boiler
efficiency at low part load conditions. It is necessarily means that the boiler operation
at the part load is an important factor in commercial buildings. In addition, utilizing
sequential boiler staging scheme can save gas usage about 7%. For heating energy
saving, applying the sequential control boiler with 3:7 proportion staging during the
annual period applying is considered to be the optimal control algorithm for
maximum efficiency of boilers.
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* First name Giurca
* Last name Ioan
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Websitehttps://www.researchgate.net/profile/Giurca_Ioan/info
Affiliation Tech Univ Cluj Napoca, Fac Bldg Serv Engn, St December 21,128-130, Cluj
Napoca 400604, Romania
Research keywords civil engineering; Building Services Engineering
Please separate the keywords by semicolon
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