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Latvian Journal of Physics and Technical Sciences

The Journal of Institute of Physical Energetics

6 Issues per year


CiteScore 2016: 0.42

SCImago Journal Rank (SJR) 2015: 0.174
Source Normalized Impact per Paper (SNIP) 2015: 0.332

Open Access
Online
ISSN
0868-8257
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Volume 51, Issue 6

Issues

Sail-Type Wind Turbine for Autonomous Power Supplay: Possible Use in Latvia

S. Sakipova
  • E.A.Buketov Karaganda State University, 28 Universitetskaya Str., Karaganda, 100028, KAZAKHSTAN,
  • Laboratory for Mathematical Modelling of Technological and Environmental Processes, University of Latvia, 8 Zellu Str., Riga, LV-1002, LATVIA
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ A. Jakovics
  • Laboratory for Mathematical Modelling of Technological and Environmental Processes, University of Latvia, 8 Zellu Str., Riga, LV-1002, LATVIA
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
Published Online: 2015-01-27 | DOI: https://doi.org/10.1515/lpts-2014-0033

Abstract

Under the conditions of continuous increase in the energy consumption, sharply rising prices of basic energy products (gas, oil, coal), deterioration of environment, etc., it is of vital importance to develop methods and techniques for heat and power generation from renewables. The paper considers the possibility to use a sail-type wind turbine for autonomous power supply in Latvia, taking into account its climatic conditions. The authors discuss the problems of developing a turbine of the type that would operate efficiently at low winds, being primarily designed to supply power to small buildings and farms distant from centralized electricity networks. The authors consider aerodynamic characteristics of such a turbine and the dependence of the thrust moment of its pilot model on the airflow rate at different angles of attack. The pilot model with a changeable blade shape has been tested and shows a good performance.

Kopsavilkums

Darbs veltīts vienam no atjaunojamo enerģiju veidiem - vēja enerģijai, analizētas tās izmantošanas iespējas. Vispirms īsi raksturota vēja enerģijas izmantošana pasaulē, kā arī vērtētas izmantošanas perspektīvas no inženiertehniskā un klimatisko apstākļu viedokļa. Turpinājumā raksturota situācija Latvijā, t. sk., arī vēja potenciāla pieejamība dažādos reģionos, kā arī vēja enerģijas izmantošanas efektivitāti raksturojošie lielumi. Konstatējot problēmu, rast vēja turbīnu risinājumus Latvijas apstākļiem ar maziem vidējiem vēja ātrumiem, izveidots buras tipa turbīnas modelis. Šī modeļa raksturlielumu izpēte veikta vēja tunelī Karagandas universitātē, konstatējot relatīvi labus efektivitātes rādītājus tiešai un pretējai vēja plūsmai. Izmantojot mērījumu rezultātus, ierosināti sistēmas uzlabojumi, kurus plānots pētīt turpmāk. Šādas sistēmas potenciāli var rast lietojumu tur, kur nepieciešami autonomi enerģijas avoti.

Keywords: renewable resources; wind energy potential; sail-type wind turbine; changeable blade shape; thrust force

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About the article

Published Online: 2015-01-27

Published in Print: 2014-12-01


Citation Information: Latvian Journal of Physics and Technical Sciences, Volume 51, Issue 6, Pages 13–25, ISSN (Online) 0868-8257, DOI: https://doi.org/10.1515/lpts-2014-0033.

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© by S. Sakipova. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License. BY-NC-ND 3.0

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S. Sakipova, A. Jakovics, and S. Gendelis
Latvian Journal of Physics and Technical Sciences, 2016, Volume 53, Number 1

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