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NATURE OF WAVE PROCESSES AND THEIR INTERACTION WITH Tidal power PLANTS

Vestnik MGSU 4/2012
  • Alekseeva Ol'ga Aleksandrovna - Moscow State University of Civil Engineering (MSUCE) , Moscow State University of Civil Engineering (MSUCE), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 200 - 203

The author examines the nature of wave processes and their impact on the operation of tidal power plants. The article also has an overview of both operating and prospective tidal power plants in Russia and worldwide. Patterns of tidal fluctuations and the intensity of their driving forces are also considered in the article. The author discloses the origin of tides in terms of elementary physics and hydraulics. The author covers various aspects of formation of different types of inequality of tides caused by alterations in the mutual positions of the Sun and the Moon in relation to the Earth, variable declination of tide-generating luminaries (the Sun and the Moon) in relation to the plane of the Earth equator, and variable distance between the luminaries and the Earth. The author analyzes wave-related phenomena, including refraction, diffraction and interference, their origin and influence onto the properties of waves. The author also covers the origin of advancing and standing waves, or waves of mixed origin, and the impact of the wind onto the characteristics of wave fluctuations. The author provides suggestions regarding potential methods of their control that can affect the essential concept of construction of tidal power plants.

DOI: 10.22227/1997-0935.2012.4.200 - 203

References
  1. Bernshteyn L.B. Prilivnye elektrostantsii [Tidal Power Plants]. Moscow, 1987. 296 p.
  2. Bezrukov Yu.F. Okeanologiya. Dinamicheskie yavleniya i protsessy v okeane [Oceanology. Dynamic Phenomena and Processes in the Ocean]. Part 2. Taurida National V.I. Vernadsky University, 2006.
  3. Pilyaev S.I., Gubina N.A. Volnovye raschety pri proektirovanii portov [Wave Calculations as Part of Design of Ports]. Moscow, MSUCE, 2010, 96 p.

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METHODOLOGICAL ASPECTS OF ECONOMIC EVENTS CYCLICITY METHOD CONSIDERATION

Vestnik MGSU 6/2017 Volume 12
  • Yaskova Natalia Yur'ievna - Moscow State University of Civil Engineering (National Research University) (MGSU) Doctor of Economical Sciences, Professor, Professor of the Economy and Management in Construction Departement, Moscow State University of Civil Engineering (National Research University) (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation.

Pages 680-686

The cyclicity of economic phenomena is not only their immanent property but also the subject of economic analysis. The modern way of making managerial decisions requires analysis of a number of cycles that fill any kind of activity. Accounting and reconciliation of construction, design, investment, purchasing, reproduction, leasing and other cycles is important for the investment and construction sector, both from the point of view of the need for their synchronization and from the position of determining trends in sectoral development. The analysis has showed that three main types of development are characteristic for investment and construction activity. Increasing intensity is inherent in a high level of cyclic synchronization. The degradation trend arises as a result of mismatched cycles. The stabilization character is inherent in the regular modes of maintaining the established proportions and cyclical inter-conformity. The study of the cyclical nature of investment and building processes is impossible without understanding their co-ordination. The principles of synchronization and subordination of the cycles should be used not only for the construction of cost-effective systems but also for the development of management tools.

DOI: 10.22227/1997-0935.2017.6.680-686

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