Modern practice of solving the problems of heat supply system design generates the need to solve the problem of choosing optimal parameters for a considerable set of equipment. The problem of choosing optimal parameters involves determining the diameters of new heat pipelines, searching for the...

The aim of this paper is to evaluate a hybrid biogeography-based optimization approach based on the hybridization of biogeography-based optimization with differential evolution to solve the optimal power flow problem. The proposed method combines the exploration of differential evolution with...

An example of how to implement the acumen concept to 1-D neutronics codes is presented here. The acumen concept makes these codes capable of detecting the execution time errors in addition to the usual user physical, geometrical, read-write errors in the input file so that these errors can be...

Socially Responsible Investing (SRI), also known as sustainable or ethical investing, corresponds to an investment practice that takes into account not only the usual return-risk criteria, but also other non-financial dimensions, namely in terms of environmental, social and governance concerns....

In this paper, quasi-oppositional biogeography based-optimization (QOBBO) for optimal reactive power dispatch (ORPD) is presented. The proposed methodology determines control variable settings such as generator terminal voltages, tap positions of the regulating transformer and the Var injection...

This paper addresses the model for power shortage estimation in electric power systems. The model’s main component of methodology for analysis of electric power system (EPS) reliability that has been developed at the Energy Systems Institute, Siberian Branch of Russian Academy Sciences....

Oil and energy markets have experienced dramatic changes over the past three decades. Due to these changes, it may be difficult to model and forecast the oil consumption with traditional methods such as regression. Artificial Neural Networks (ANNs) are the strong rival of regression and time...

This paper presents a theoretical model that could improve buildings’ energy performance. A sample of Greek hotels has been selected, and their energy performance is elaborated. The results from the use of the model Long Range Energy Alternative Planning are presented, providing the...

Exergy is a concept that is gaining an increasingly wider recognition as a proper measure for the actual energy resources consumed, when energy is used. Energy as such is indestructible, but exergy is not. As entropy is generated while energy is used, exergy is consumed. Exergy can be...

In this article the authors discuss a new method of the so-called complex networks dynamics and its visualization by means of so called coupled map lattices method. The main aim of this article is to investigate whether it is possible to visualize complex network dynamics by means of the same...