Numerical simulation on year-round performance of water-flow window with different shading control modes

Li, Chunying; Tang, Haida; Tan, Jun; Li, Cuimin; Yang, Yinan; Zeng, Fanbo

doi:10.1177/0143624420970397

Cited by 5 publications

(2 citation statements)

References 19 publications

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“…In three studies on vertical rectangular window openings, the water flow window configuration effect was examined, focusing on the distribution effects on thermal flow attribution of header design (Chow & Lyu, 2017), high-performance windows (Li & Tang, 2020), and energy performance analyses (Li et al, 2021). One study involved a water flow test with horizontal windows focusing on energy-saving capability .…”

Section: Window Typementioning

confidence: 99%

Review of Window Performance in A Hot and Humid Climate

Wellun¹,

Yusoff²,

Mohamed³

et al. 2022

JST

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Incorrect implementation of window parameters, such as configuration, position, and size, cause an unpleasant indoor environment. The authors reviewed window performance in a hot and humid climate in this paper. Articles were screened in detail to determine eligibility, compiled, and organised according to Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) requirements. The articles included in this review concerned natural ventilation and window performance in a hot and humid climate. Keywords or topics were reviewed and focused on indoor environment comfort. The results demonstrated that sliding windows were unfavourable openings that were nevertheless in demand. This review was performed to guide consumers, designers, and the market of the built environment industry.

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Section: Window Typementioning

confidence: 99%

Review of Window Performance in A Hot and Humid Climate

Wellun¹,

Yusoff²,

Mohamed³

et al. 2022

JST

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“…Li studied a double-circulation water-flow window with adaptive shading control through dynamic modeling. Results showed year-round solar energy collection efficiency of 17.95-21.06% and indoor heat gain reduction of 50% compared with common doublelayer window [28]. However, the water-flow window requires a complicated pipework system.…”

Section: Introductionmentioning

confidence: 99%

Modeling, Simulation, and Performance Analysis of a Liquid-Infill Tunable Window

Wang

Yang

et al. 2022

Sustainability

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Solar shading is important in buildings for better indoor thermal/light environment and energy conservation, especially in the tropical region. Compared with conventional windows with additional fixed shading devices, windows with adaptive self-shading functions take up less space and require less management labor. The present investigation focuses on a compact liquid-infill tunable window, which can provide adaptive shading with colored liquid-infill according to the surrounding environment. The numerical model of the liquid-infill tunable window was established on the basis of the law of energy and mass conservation, which enabled prediction of the adaptive response of the window under different boundary conditions. Then the thermal performance of this innovative window was analyzed in comparison with triple-layered clear glass windows. Influences of solar radiation level, incident angle, and ambient temperature were taken into consideration. The window was proven to be efficient in reducing indoor heat gain in the cooling season under strong solar radiation. With an 60° incident angle, the total indoor heat gain through window can be reduced by 1.60–8.33%. In the future, the established numerical model may be inserted into existing building simulation software as an energy-efficient window module to evaluate its energy and economic performance. The present study may inspire architectures and engineers in the design of near-zero energy and/or carbon neutral buildings.

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