Water distribution networks (water supply systems, industrial networks, irrigation, ...) needs, more and more, the use of pumping units for guarantee minimum pressures in consumption points. The problem is related to the ...

The press market in Spain is a mature market where the big publisher companies have grown and conquered the market with a product, the newspaper on paper, whose presence is dwindling in the Spanish global market actually. ...

The improvement of thermal efficiency in solar thermal collectors can be reached by the use of materials able to reduce heat losses by conduction, convection and radiation into the environment. Another methodology consists ...

The gasification process as a concept has to do with the conversion of a carbonaceous substrate in a gaseous fuel under the influence of a gasifying medium. The product gas resulting from this process, essentially composed ...

In this work relatively large size photoelectrodes (18.75cm^2 of surface) and very low sheet resistance has been manufactured. The manufacturing method was the spray pyrolysis of a solution containing Sn2+ and F- ions. ...

Management and risk assessment are key requirements for the financial viability of renewable energy projects. In the Dominican Republic, banks require a risk analysis covering technical, environmental and economic ...

This paper presents a feasibility analysis of the power generation through the expansion of high pressure and flows of natural gas in the regulations stations of CCGTs power plants in Spain. Based on their yearly production ...

To identify the risks affecting the profitability of a project it is essential to meet the need of the users involved in the decision-making. Assessing judgments is currently a process that remains constant in risk management ...

Thermal comfort is an important aspect of residential buildings other than the usual safety and security aspects. However, because of the recent rise of occupant’s expectation for thermal confort level, the operation cost ...

Spanish energy policy has been changed several times from 2007. The current legal framework leads to a higher complexity in the administrative process in renewable energy projects. This situation has created a new scenario ...