This document is an analysis of solar vacuum tube heaters for domestic water heating and his union with traditional systems such as boiler heaters and electric heaters, there by forming hybrid systems, these systems aim ...

The thermal and drying efficiency of three operating configurations for a hybrid solar-gas dryer were calculated in transitory state. The hybrid dryer, comprising a solar collector, auxiliary LPG (liquid propane gas) ...

During the last 25 years, the author has designed, constructed, studied and promoted solar oven, hybrid solar/electric oven, solar oven cum drier, solar cooker cum water heater and solar still. In different parts of the ...

The oil industry, experiencing a great economic and environmental impact, has increasingly invested in researches aiming a more satisfactory treatment of its largest effluent, i.e., produced water. These are mostly discarded ...

The project of changing the Energy Matrix in Ecuador, establishes the generation of electric energy using primary energies that reduce the emission of greenhouse effect gases, which cause global warming. One of the specific ...