This article presents the development of a vertical hydraulic turbine combined with an electric generator, developed inside its own rotor. For energy use of the amount of movement of water flows of any nature, whether artesian wells with positive pressure, sewage water flows, domestic distribution water flows, river beds, channels, and others. Regardless of the existing pressure level or whether the water flow is continuous or not. If there is full energy use of any laminar and / or turbulent water flow, according to the dynamics of the fluids, this water flow goes through the rotor, which is cylindrical and is in line as a generator that is coupled the turbine. The vertical hydraulic turbine proposed in this article is compact, robust and low cost. One of humanity's greatest challenges is finding solutions to the growing scarcity of drinking water. The vertical hydraulic turbine is an alternative technology for the use of water.
This article proposes a sustainable way to generate electricity for isolated communities in the Western Amazon, using vegetable oil, heated in a heating tank, as a fuel to diesel cycle generators. Vegetable oil under high temperatures reaches a viscosity like diesel oil and does not cause damage to the generator's starting and fuel injection systems. Through mathematical and computational models, it is possible to control the temperature and the oil viscosity through sensors to reach a complete combustion of the fuel. All of this contribute to the development of the population of isolated communities that suffer without access to electricity.
The urea industry often requires the use of fossil fuels or natural gas. This study raises the possibility of producing urea from biogas, a more environmentally friendly alternative. The purpose of this work is a block flow diagram for a passage process; also, the material in terms of molecular flow and energy balances has been resolved for some process units, considering the main theoretical chemical reactions that are involved in these processes. From the material balance analysis, it is possible to estimate a biogas ratio for urea of 14.8. Thus, it is possible to verify the relevance of the recovery and reuse of non-reactive products for increasing urea production. Therefore, the energy balance analysis, the endothermic and exothermic characteristics of the chemical reactions involved are necessary to estimate the thermal load of each unit studied.The stimulation of biogas production is essential since methane is one of the significant constituents of biogas.
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