...M. Salem Ahmed; A. S. A. Mohamed; Hussein M. Maghrabie Solar electric power generation utilizing photovoltaic (PV) modules is associated with low electrical efficiency that substantially decreases as its surface temperature exceeds an appropriate limit, particularly in hot climate regions...

... pyrometers reflectometers spectral methods of temperature measurement metrology high temperature bichromatic pyroreflectometry surface temperature emissivity reflectivity solar blind measurements One of the fundamental difficulties in pyrometry is the temperature error due to unknown...