SIMULATION OF LUMINOUS ENVIRONMENT IN INTERIOR WITH WINDOWS BY PERSONAL-COMPUTER

Distributions of daylight factor in interior were calculated based upo n the Mean Sky in several rooms with windows facing several orientatio ns by using a simulation. The calculated daylight factor distributions were displayed on CRT. The orientations of windows and the shape of i so-daylight factor curves were examined by those kinds of figures. Day light factor distributions in several rooms of actual dwelling house w ere measured and calculated at the same rooms, and the calculated and the measured daylight factors were compared and investigated. As the r esults of the investigation, it was cleared that the simulation was us eful for an estimation of luminous environment in interior at design s tage of the building under the conditions of various orientations of w indows.