The knowledge of the transient levels which can strike equipments of Rural Distribution Lines is very important to the development of protection devices. To do so, this work fitted physical parameters relevant to the ...

This research determined the potential evaporation of free water in a greenhouse and its termic income, nonaerated and with lateral aeration. The test was taken in three different days: uncloudly, partially cloudy and ...

The present paper discusses the economic viability of the use of Indian type biodigestor for energy production in Brazil’s northeastern rural areas. Informations used for discussion were obtained from different sizes of ...

The purpose of this work was to determine some coefficients (mass of the wood processed and beneficiary, amount of the energy human and electric consumed, and amount of the energy produced) and to establish of energy’s ...

Energy hourly costs (MJ/hr), per worked area (MJ/ha) and per processed mass (MJ/t) were calculated adding up the energy sequestered in the construction materials, manufacturing, transport, fuel, lubricants, filters, repairs, ...

The objective this work was to develop a solar collector accessible poor people as underdeveloped country. It's was builted with disposable materials as aluminium tins beer or soft drink 350 ml, plastic transparent bottle ...

This work presents a cost evaluation method for hydroelectric power plants with suitable technology for small isolated communities. The research was done for a standard typical project with installed capacities varying ...

This paper do a study of “Luz da Terra” rural electrification program introduction in the city of Pindamonhangaba at the State of São Paulo, seeking show the problems detected and getting informations for the program be ...

The purpose of this work was to develop a mathematical method to estimate the pump performance curves by analytical method. The interpolated expressions were calculated the pump performance curves pressure, efficiency ...