Exergetic and Thermoeconomic Analyses of Solar Air Heating Processes Using a Parabolic Trough Collector Hernández-Román, Miguel ; Manzano-Ramírez, Alejandro ; Pineda-Piñón, Jorge ; Ortega-Moody, Jorge Abstract Publication: Entropy Pub Date: August 2014 DOI: 10.3390/e16084612 Bibcode: 2014Entrp..16.4612H