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

authors Hanna, R.
year 1996
title A Computer-based Approach for Teaching Daylighting at the Early Design Stage
source Education for Practice [14th eCAADe Conference Proceedings / ISBN 0-9523687-2-2] Lund (Sweden) 12-14 September 1996, pp. 181-190
summary This paper has reviewed the literature on the teaching of daylight systems design in architectural education, and found that traditionally such teaching has evolved around the prediction of the Daylight Factor (DF%), i.e. illuminance, via two methods one studio-based and another laboratory based. The former relies on graphical and/or mathematical techniques, e.g. the BRE Protractors, the BRE Tables, Waldram Diagrams, the Pepper-pot diagrams and the BRE formula. The latter tests scale models of buildings under artificial sky conditions (CIE sky). The paper lists the advantages and disadvantages of both methods in terms of compatibility with the design process, time required, accuracy, energy-consumption facts, and visual information.

This paper outlines a proposal for an alternative method for teaching daylight and artificial lighting design for both architectural students and practitioners. It is based on photorealistic images as well as numbers, and employs the Lumen Micro 6.0 programme. This software package is a complete indoor lighting design and analysis programme which generates perspective renderings and animated walk-throughs of the space lighted naturally and artificially.

The paper also presents the findings of an empirical case study to validate Lumen Micro 6.0 by comparing simulated output with field monitoring of horizontal and vertical illuminance and luminance inside the highly acclaimed GSA building in Glasgow. The monitoring station was masterminded by the author and uses the Megatron lighting sensors, Luscar dataloggers and the Easylog analysis software. In addition photographs of a selected design studio inside the GSA building were contrasted with computer generated perspective images of the same space.

series eCAADe
email gtca09@udcf.gla.ac.uk
full text file.pdf (158,130 bytes)
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100%; open Birch, S. and Frame, I. (1991) Find in CUMINCAD Daylight 2 , Proceedings of Building Environmental Performance 1991, BEPAC, 1991, pp. 89-102
100%; open Hopkinson, R.G. (Et al.) (19??) Find in CUMINCAD Daylighting , William Heinemann Ltd., London, p. 184
100%; open Lam, W. (1977) Find in CUMINCAD Perception and Lighting as Formgivers for Architecture , McGraw Hill Book Company, New York, 1977, p. 10
100%; open Littlefair, P.J. (1991) Find in CUMINCAD Site Layout Planning for Daylight and Sunlight , Building Research Establishment Report
100%; open Waldram, P.J. and Waldram, J.M. (1923) Find in CUMINCAD Window Design and the Measurement and Predetermination of Daylight Illumination , Illumination Engineers, Vol 16, No 90
100%; open Ward, G. (1994) Find in CUMINCAD The RADIANCE Lighting Simulation and Rendering System , Computer Graphics Proceedings, Annual Conference Series, 1994, pp. 459-472

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