By controlling the lamp wall temperature of fluorescent lamps with a Peltier device, the optical efficiency of luminaires can be measured directly. Measurements of the fixture efficiency for a luminaire can vary by over 8% depending upon the lamp-ballast system used in the measurement. The authors suggest that optical efficiency may besan improved metric for evaluating fixture designs.
BT - 1987 IES National Conference C1 -Lighting Systems Group
C2 - LBL-23169 CN - LBL-23169 CY - Scottsdale, AZ DA - 08/1987 LA - eng N2 -By controlling the lamp wall temperature of fluorescent lamps with a Peltier device, the optical efficiency of luminaires can be measured directly. Measurements of the fixture efficiency for a luminaire can vary by over 8% depending upon the lamp-ballast system used in the measurement. The authors suggest that optical efficiency may besan improved metric for evaluating fixture designs.
PP - Scottsdale, AZ PY - 1987 T2 - 1987 IES National Conference T3 - 1987 IES National Conference TI - Measurement of Optical Efficiency of Fluorescent Luminaires ER -