European gas markets are experiencing fundamental change due to decrease in domestic production, increase in demand and liberalisation efforts of the European Union. Germany represents the biggest single market in Continental Europe and is also a major transit country for gas. Gas market...

The need for rational and overall water resources management has become, during the past decades, a problem ofmajor importance due to the rising water demands. In this paper atechnique is presented through which a management model that combines the useof two separate models, a flow simulation...

An approach to energy systems modelling is presented. It employs a mixture of non-linear programming techniques considered suitable for the particular structure of energy models, in order to overcome the problems encountered in optimisation with a non-trivial objective function topology, e.g....