Loss-Compensated Radiometer

[+] Author and Article Information
P. C. Lobo

Centro de Tecnologia, Curso de Pos-Graduacão em Engenharia Mecanica, Universidade Federale da Paraiba, 58,000 João Pessoa, Pb., Brazil

J. Sol. Energy Eng 106(2), 218-222 (May 01, 1984) (5 pages) doi:10.1115/1.3267583 History: Received July 23, 1982; Online November 11, 2009


A new radiometer concept is described and evaluated. Automatic dynamic electrical compensation is achieved by a high-gain feedback amplifier and low thermal inertia solar and compensating electrical sensors. With sufficiently high gain, compensation can increase accuracy to limits determined by amplifier drift. Equations governing instrument response are derived and analyzed. Initial measurements on a preliminary prototype confirm the validity of the concept which should yield a very accurate instrument with “self calibrating” features.

Copyright © 1984 by ASME
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