The study idea includes the possibility of using solar energy to provide for heating a house in city Warsaw by examining systems available on market and simulating their performance comparing them based production volume with cost appropriateness climatic conditions area determine best way installing panels calculating optimal tilt azimuth angles. work methodology designing suitable system went...

this research was conducted to investigate the factors contributing to thefailure in the forestry and rangeland by-product cooperative companies in lorestanprovince, iran. a descriptive-correlative research design was used. the statisticalpopulations were 1100 people divided into two groups of experts from natural resourceagency in lorestan province and members of cooperative companies. the sam...

Biomass is one of the main sources for energy production, indeed, due to its chemical and physical peculiarities, it can be used very well in thermo chemical processes such as combustion, pyrolysis and gasification. Furthermore, the considerable variability of bio fuels that can be produced allows the experimentation of new technologies that with a higher performance are able to produce not onl...

A steady trend of recent decades is the search and implementation efficient, rational renewable sources thermal energy to reduce environmental pollution. Agricultural biomass pellets can be used as biofuels. Purpose – issues development bioenergy in Kazakhstan, economic feasibility using this technology by managing supply chains grain straw oilseeds from field consumer are considered. Methods a...