Open AccessParabolic trough receiver heat loss and optical efficiency round robin 2015/2016
Author(s) -
Johannes Pernpeintner,
Björn Schiricke,
Fabienne Sallaberry,
Alberto García de Jalón,
Rafael López-Martín,
Loreto Valenzuela,
Antonio De Luca,
Andreas Georg
Publication year - 2017
Publication title -
aip conference proceedings
Language(s) - English
Resource type - Conference proceedings
eISSN - 1551-7616
pISSN - 0094-243X
DOI - 10.1063/1.4984337
Subject(s) - parabolic trough , test bench , materials science , optics , cartridge , temperature measurement , standard deviation , nuclear engineering , electrical engineering , thermal , physics , thermodynamics , engineering , mathematics , statistics , metallurgy
A round robin for parabolic trough receiver heat loss and optical efficiency in the laboratory was performed between five institutions using five receivers in 2015/2016. Heat loss testing was performed at three cartridge heater test benches and one Joule heating test bench in the temperature range between 100 °C and 550 °C. Optical efficiency testing was performed with two spectrometric test bench and one calorimetric test bench. Heat loss testing results showed standard deviations at the order of 6% to 12 % for most temperatures and receivers and a standard deviation of 17 % for one receiver at 100 °C. Optical efficiency is presented normalized for laboratories showing standard deviations of 0.3 % to 1.3 % depending on the receiver
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