CumInCAD is a Cumulative Index about publications in Computer Aided Architectural Design
supported by the sibling associations ACADIA, CAADRIA, eCAADe, SIGraDi, ASCAAD and CAAD futures

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id ecaade2012_294
authors Okuda, Shinya ; Yang, Xiaoming ; Wittkopf, Stephen K
year 2012
title Equalizing Daylight Distribution: Digital simulation and fabrication of optimized inner reflectors and bottom extractors for a light-duct
source Achten, Henri; Pavlicek, Jiri; Hulin, Jaroslav; Matejovska, Dana (eds.), Digital Physicality - Proceedings of the 30th eCAADe Conference - Volume 1 / ISBN 978-9-4912070-2-0, Czech Technical University in Prague, Faculty of Architecture (Czech Republic) 12-14 September 2012, pp. 607-612.
summary The present paper explores the implementation of a light-duct in order to equalise daylight distribution in an office space. While the illuminance level near windows in a building tends to be higher than that necessary for the working environment, artificial lighting is often used to ensure that the workspace further away from the windows has the required level of illuminance. Equalising daylight distribution from the periphery to the inner part would thus provide signifi cant advantages for energy-efficient lighting as well as the fl exible and efficient use of offi ce space. In order to achieve this goal, anti-glare devices in the perimeter zone such as louvers and daylight distribution devices such as light-ducts are required. In this paper, we focus on light-ducts in the first instance, with an emphasis on their two key components for controlling the direction of daylight, namely inner reflectors and bottom extractors.
wos WOS:000330322400063
keywords Day lighting; Digital Fabrication; Performance; Parametric; Algorithm
series eCAADe
full text file.pdf (1,494,528 bytes)
references Content-type: text/plain
Details Citation Select
100%; open Courret, G, Scartezzini, J, Francioli, D and Meyer, J (1998) Find in CUMINCAD Designand assessment of an anidolic light-duct , Energy and Building, 29(1), pp. 79-89

100%; open Kaijima, S and Michalatos, P (2007) Find in CUMINCAD Discretization of continuous surfaces as a design concern , Predicting the Future - 25th eCAADe Conference Proceedings, Frankfurt am Main, Germany, pp. 901-908

100%; open Turrin, T, Buelow, P, Stouffs, R and Kilian, A (2010) Find in CUMINCAD Performance-oriented design of large passive solar roofs: A method for the integration of parametric modelling and genetic algorithms , Future Cities - 28th eCAADe Conference Proceedings, Zurich, Switzerland, pp. 321-330

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