Understanding Lighting in Building Services: Natural and Artificial Lighting, Slides of Computer science

Download Understanding Lighting in Building Services: Natural and Artificial Lighting and more Slides Computer science in PDF only on Docsity! SUBJECT :BUILDING SERVICES TOPIC: LIGHTING LIGHTING –INTRODUCTION The provision of ample light in a building is of primary significance as it serves two purpose, namely, for illumination and for granting hygienic conditions. Lighting should be planned in a manner as to create mood or atmosphere and should compel | DIRECT SOLAR WV.S. ; SKY ILLUMINANCE overcast sky _ : “*" daylight factor ~IRC+ERC+SC . 4 ~ § 4 2s wy, * ground DAY LIGHT FACTOR Day light factor is the sum of all the daylight reaching on an indoor reference point from the following sources;  The direct sky visible from the point  External surface reflecting light directly  Internal surface reflecting light to the point DAY LIGHT COMPONENTS SKY COMPONENT EXTERNAL REFLECTED COMPONENTS INTERNAL REFLECTED COMPONENT FAC! 2S AFFECTIN / SKY ISBUJIINANCE VY The day of the year Summer  } Vers S AFFECTIN | SKY IL NANCE ff _v Time of the day WATCH VIDEO ABOUT DAYLIGHTING IDEAS WATCH VIDEO ABOUT ARTIFICIAL LIGHTING IDEAS LUMEN METHOD STEPS Determination of the illumination level Selection of the light source and luminaries Utilization factor and coefficient of utilization Arrangement of the luminaires ee aay Yt. "s, ‘IFF7, LLL =~, al » N