A methodology is developed to estimate the chord distribution airfoil and blade twist along the radius of the blade by using axial and angular moment conservation equations, blade element theory and optimization processes. This methodology takes into account the concept related with getting wind...

We illustrate and discuss the use of a computer-based learning environment, known as a microworld, for training agents in the Colombian electricity market. As the market operator was concerned with efficiency in the electricity spot market because of an insufficient number of participants, they...

Gas markets are becoming increasingly important around the world and the long-term evolution of these markets is of strategic importance for many countries. This makes it essential to understand how regulation and intervention in these markets affects the long-term prospect for the secure supply...

Medellín ha sido una de las ciudades más violentasdel mundo, pero la criminalidad ha venido reduciéndoseen los últimos años. La continuidad delsendero descendiente depende de la efectividadde las políticas públicas. Esta investigación evalúapolíticas públicas, tanto preventivas como...