Operating Agent and subtast lead of IEA Sol Task 21: Daylight in buildings

Subtask A: Performance Evaluation of Daylighting Systems - The main result of this Subtask is the report 'Daylight in Buildings - A source book on daylighting systems and components'. This report includes the detailed system descriptions, general experience, test results, and performance evaluations for all systems examined in the test facilities. Subtask B: Daylight responsive lighting control systems - The testing of about 15 different daylight responsive lighting control systems has now been completed. The results will be documented in the 'Application Guide for Daylight Responsive Lighting Control Systems', which consists of two parts, 1) a general handbook and 2) examples and performance results from practice. The Application Guide will be in the form of a CD-rom, which will include the whole Application Guide - part 1 and 2, and possibly a Database of the systems, the Pilot studies, and the Monitoring Protocol. Subtask C: Daylighting design tools - Twelve institutions representing 10 IEA countries were involved in production and evaluation of daylighting design tools. Many of the reports of this Subtask are in the approval process and will be available early in 2000. The simple daylighting design tool DIAL developed by EPFL and already approved by the Executive Committee, is an easy-to-use tool for educational purposes and for buildings design analysis. The new version 3.0 of the ADELINE package, also available soon, has improved in user-friendliness. Two new dialogs have been developed allowed the graphically supported selections of items from the object library and the selection of luminaires based on either IES or EULUMDAT format descriptions. These new dialogs will be integrated in the RADIANCE Scene Editor. More than 300 object are currently part of the object library. Subtask D: Case Studies - Fifteen Case Study buildings have been monitored and described in detail, especially regarding their daylighting performance. The Case Studies Report is to be published in colors by a professional publisher in the autumn 2000