2021 - Volume 25 [Issue 1]


Original Research Article

Thermodynamic Concepts on Efficiency of Aircraft Engines

Faradiba Faradiba, Endah Yuniarti

DOI: 10.9734/psij/2021/v25i130231

Page: 1-7

Experimental Study of a Stationary Hot Air Solar Collector Built with Hemispherical Concentrators and Enhanced with Fresnel Lenses

Thierry S. M. Ky, Salifou Ouedraogo, Moctar Ousmane, Boureima Dianda, Emmanuel Ouedraogo, Dieudonné J. Bathiebo

DOI: 10.9734/psij/2021/v25i130233

Page: 8-22


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