Blar i NTNU Open på forfatter "Haileselassie, Asfafaw"
-
Direct Charging of a Solar Thermal Battery: Direkte soloppvarming av et termisk batteri
Sivertsen, Victoria (Master thesis, 2013)Direct illumination of a thermal storage from a concentrating solar collector can be used to charge a phase change material (PCM) for the purpose of storing heat for cooking. Top illumination can be achieved by a double ... -
Theoretical and Experimental Comparison of Box Solar Cookers with and without Internal Reflector
Kahsay, Mulu Bayray; Paintin, John; Mustefa, Anwar; Haileselassie, Asfafaw; Tesfay, Meseret; Gebray, Biniam (Journal article; Peer reviewed, 2014)Box solar cookers are commonly built with internal shee t metal painted black as an absorber. In order to increase the performance, a design which incorporates internal reflection is proposed in this paper. The aim of ...