An optimal implementation strategy of the multi-function window considering the nonlinearity of its technical-environmental-economic performance by window ventilation system size

Jongbaek An, Taehoon Hong, Jeongyoon Oh, Woojin Jung, Kwangbok Jeong, Hyo Seon Park, Dong Eun Lee

Research output: Contribution to journalArticle

Abstract

To address the problems of the indoor air quality deterioration and energy consumption, this study proposed the multi-function window combined with a ventilation system and solar photovoltaic blind. In this study, multi-objective optimization for determining the optimal design of the multi-function window was conducted along with nonlinearity analysis. The main findings can be summarized as follows. First, from the technical-environmental performance's perspective, the amount of solar radiation and wind volume entering the room were found to be key factors causing nonlinearity. In particular, the total energy consumption and indoor CO2 concentration decreased whereas the predicted percentage dissatisfied deteriorated with the increasing the size of the window ventilation system. Second, from the economic performance's perspective, the absolute and relative investment values showed nonlinear relationships with the amount of electricity generated and the total energy consumption. Especially, as the window ventilation system size increased, the absolute investment value decreased due to the reduced amount of electricity generated, and the relative investment value decreased except when the energy supply was larger than the energy demand. Finally, the window ventilation system size was most suitable when it was 3–5% of the multi-function window's size according to the orientation, from a holistic view of the technical-environmental-economic performance.

Original languageEnglish
Article number106234
JournalBuilding and Environment
Volume161
DOIs
Publication statusPublished - 2019 Aug 15

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environmental economics
nonlinearity
Ventilation
ventilation
energy consumption
Economics
Energy utilization
electricity
performance
economics
Electricity
Values
Solar wind
energy shortage
energy supply
indoor air
Multiobjective optimization
Solar radiation
Air quality
Deterioration

All Science Journal Classification (ASJC) codes

  • Environmental Engineering
  • Civil and Structural Engineering
  • Geography, Planning and Development
  • Building and Construction

Cite this

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title = "An optimal implementation strategy of the multi-function window considering the nonlinearity of its technical-environmental-economic performance by window ventilation system size",
abstract = "To address the problems of the indoor air quality deterioration and energy consumption, this study proposed the multi-function window combined with a ventilation system and solar photovoltaic blind. In this study, multi-objective optimization for determining the optimal design of the multi-function window was conducted along with nonlinearity analysis. The main findings can be summarized as follows. First, from the technical-environmental performance's perspective, the amount of solar radiation and wind volume entering the room were found to be key factors causing nonlinearity. In particular, the total energy consumption and indoor CO2 concentration decreased whereas the predicted percentage dissatisfied deteriorated with the increasing the size of the window ventilation system. Second, from the economic performance's perspective, the absolute and relative investment values showed nonlinear relationships with the amount of electricity generated and the total energy consumption. Especially, as the window ventilation system size increased, the absolute investment value decreased due to the reduced amount of electricity generated, and the relative investment value decreased except when the energy supply was larger than the energy demand. Finally, the window ventilation system size was most suitable when it was 3–5{\%} of the multi-function window's size according to the orientation, from a holistic view of the technical-environmental-economic performance.",
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An optimal implementation strategy of the multi-function window considering the nonlinearity of its technical-environmental-economic performance by window ventilation system size. / An, Jongbaek; Hong, Taehoon; Oh, Jeongyoon; Jung, Woojin; Jeong, Kwangbok; Park, Hyo Seon; Lee, Dong Eun.

In: Building and Environment, Vol. 161, 106234, 15.08.2019.

Research output: Contribution to journalArticle

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AU - Hong, Taehoon

AU - Oh, Jeongyoon

AU - Jung, Woojin

AU - Jeong, Kwangbok

AU - Park, Hyo Seon

AU - Lee, Dong Eun

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