Comparative analysis of the theoretical models of ideal propulsor, ideal fluid brake, ideal screw propeller and ideal axial wind turbine

Tadeusz Koronowicz; Jan Szantyr

doi:10.2478/pomr-2013-0011

Comparative analysis of the theoretical models of ideal propulsor, ideal fluid brake, ideal screw propeller and ideal axial wind turbine

Abstract

The article presents a detailed discussion of four different fluid dynamics devices.These devices are presented with all relevant mathematical formulae regarding the forces, the power and the efficiency. It is demonstrated that application of the Betz theorem to axial wind turbines is not correct and it underestimates the maximujm achievable efficiency. This conclusion is supported by numerical calculations.

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Authors (2)

Tadeusz Koronowicz
- Instytut Maszyn Przepływowych PAN w Gdańsku ..
Jan Szantyr prof. dr hab. inż.

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DOI:: Digital Object Identifier (open in new tab) 10.2478/pomr-2013-0011
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Category:: Articles
Type:: artykuł w czasopiśmie wyróżnionym w JCR
Published in:: Polish Maritime Research no. 20, pages 3 - 12,
ISSN: 1233-2585
Language:: English
Publication year:: 2013
Bibliographic description:: Koronowicz T., Szantyr J.: Comparative analysis of the theoretical models of ideal propulsor, ideal fluid brake, ideal screw propeller and ideal axial wind turbine// Polish Maritime Research. -Vol. 20, iss. 2 (2013), s.3-12
DOI:: Digital Object Identifier (open in new tab) 10.2478/pomr-2013-0011
Verified by:: Gdańsk University of Technology