Integration of Daylighting and Sport Lighting Systems Design for Turf Growth in an Indoor Football Stadium

摘要

This paper examines the integration of daylighting and sport lighting systems for turf growth in an indoor footaball stadium. In this study, radiant energy distribution in the football field is calculated in the form of photon flux density based on actual monitoring and computer simulations. The turf growth needs for radiant energy are examined by measuring solar and visible transmittance. The candlepower distribution of the fabric rof is measured in an experimental setting under the real sky condition using the actual fabric material and also scale model photometry techniques. These techniques were developed specially for this study under Michigan Winter weather condition at the site for the Detroit Lions' Domed Stadium. Then, based on the data obtaine,d the study detemrined the radiant energy distribution over the field for various roof design options. The threshold levels required for turf growth were used to explore the selection of the final design option with respect to the effect of supplementing daylight shortage with a sport lighting system. Architectural solutions and evaluation techniques, such as the luminance scanning system, computer simulation and scale model photometry were used to show that daylight can be applied as a dynamic light source in the field. Recommendations on sport lighting system layouts are given to produce and maintain a glare free football field.