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Shakirov V. A.

Degree	Ph. D. (Eng.), Associate Professor, Federal State Budgetary Educational Institution of Higher Professional Education «Bratsk State University»
E-mail	mynovember@mail.ru
Location	Bratsk
Articles	Decision making support at the pre-feasibility study stage based on two level multi-attribute analysis In this paper, decision making problem at the pre-feasibility study stage characterized by shortage of information on alternatives and multiple criteria is formulated. Two-level examination of the problem is suggested as well as appropriate architecture of decision support system and techniques using two methods of multi-criteria analysis are provided. Procedures to reduce the efforts of experts for working with the information system and taking into account their fuzzy preferences are introduced into the analysis. Read more... Computer simulation in solving the problem of estimating the wind power potential of the region The problem of estimating the wind energy potential of the region in view of the terrain with the assistance of software tools for modeling and calculation is formulated. Currently there are no readymade software solutions for the implementation of the whole set of terrain and wind flow modeling procedures. A description of the difficulties encountered in the integrated use of heterogeneous software solutions for the problem of evaluation of wind power potential in the areas is given. The authors propose a methodical approach to search places efficient allocation of wind power plants, considering the use of software products. Methodical approach consists of three stages — preliminary analysis of the terrain, terrain modeling, simulation of wind flow. Approbation of the methodical approach to the creation of simple terrain models, as well as with the creation of a model of the real terrain near the Ayan village of Khabarovsk Territory is conducted. Application of methodical approach allows to realize computer airflow simulation over the terrain and thus solve important practical problem of defining the sites of effective placement of wind turbines. According to calculations at these sites the wind speed increases substantially: from 5 to 8 meters per second. This allows to take this areas for further analysis. Read more...