2020
DOI: 10.3390/en13061381
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Effect of Sky Discretization for Shading Device Calculation on Building Energy Performance Simulations

Abstract: The calculation of sunlit surfaces in a building has always been a relevant aspect in building energy simulation programs. Due to the high computational cost, some programs use algorithms for shading calculation for certain solar positions after discretization of hemispherical sky. The influence of the level of discretization on the estimation of incident direct radiation on building surfaces, as well as on the required computational times, are studied in this work. The direct solar energy on a window for a ye… Show more

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Cited by 4 publications
(2 citation statements)
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“…In order to ensure that residents can carry out everyday living activities in the interior of residences, it is necessary to open windows to let natural lighting come into buildings [49]. Under the same external lighting conditions, the size, shape, and position of windows The ability of building facades to gain and dissipate heat plays a vital role in building energy consumption [46].…”
Section: Influence Of Window Design Elements On Energy Consumptionmentioning
confidence: 99%
“…In order to ensure that residents can carry out everyday living activities in the interior of residences, it is necessary to open windows to let natural lighting come into buildings [49]. Under the same external lighting conditions, the size, shape, and position of windows The ability of building facades to gain and dissipate heat plays a vital role in building energy consumption [46].…”
Section: Influence Of Window Design Elements On Energy Consumptionmentioning
confidence: 99%
“…Baglivo C et al [14] analysed the thermal behaviour of the building with TRNSYS 17 software to evaluate the indoor air temperature with various configurations such as walls, ground floor, roof, shading, windows and internal thermal loads. Maestre IR et al [15] examined the effect of different window sizes, window orientations, typologies of shading devices, latitudes of the hemisphere sky and level of discretization on the estimation of incident direct radiation on building surfaces and the required calculation times. Khakian R [16] evaluated the energy performance of a two-storey house located in a mountainous region of Iran and examined the effect of multiple parameters such as building orientation, window to wall ratio and glass coating.…”
Section: Introductionmentioning
confidence: 99%