Lighting Technology

Code 3.6.3103.6
Semester 6th
Flow Z - Energy Conversion, High Voltages and Industry Applications
Category Obligatory by selection
Credits 4
Class Hours - Lab Hours 2 - 2
Lecturers Christos Christodoulou, Ioannis Gonos, Grigorios Kyriakopoulos (T & R Associates)



Visible radiation and light. Black body radiation. Spectral luminous efficiency of photopic and scotopic vision. Mesopic vision. Basic principles and quantities of photometry. Colorimetry. Spectrum of visual light, basic colours, chromatic systems, tristimulus values. Luminous intensity, luminous flux, illuminance and luminance. Units of Photometry. Light sources. Luminous efficacy of light sources. Basic laws of photometry. Reflection, absorption and transmission. Luminaires. Distribution of luminous inensity (polar diagrams). Zonal distribution of luminous flux (light output ratio diagrams). Calculation of luminous flux codes (CIE, DIN, CEN, UTE). Illuminance distribution (isolux diagrams). Horizontal and vertical illuminance. Glare. Luminance diagrams (Schoelner, CIE, DIN). Unified Glare Rating. Utilization factor. Maintenance factor. Visual ability. Lighting calculation methods. Computer models. International standards on quality assurance of lighting fixtures. Utilization of daylight. Lighting controls (sensors, dimmers, BMS). Energy saving in lighting installations.


Measurement of photometric quantities. Measuring instruments and apparatuses. Measurement of illuminance, luminous intensity, luminance and luminous flux. Measurement of photometric characteristics of luminaires (interior & exterior) and calculation of polar intensity distribution, luminance diagram, UGR table, utilization factor table, zonal flux distribution, flux code. Photometric reports. Measurement of light signals (traffic control, navigation). Spectrophotometry. Measurement of colour of light sources and of materials. Measurement of reflectance. EMC measurements (insertion loss) on fluorescent lamps. Lighting calculations with RELUX and DIALUX.