A Double-Stage Wind Turbine

SCHWEIGER, Vlado ;ŠIROK, Brane ;TUMA, Matija ;MIHELIĆ, Niko .
A Double-Stage Wind Turbine. 
Strojniški vestnik - Journal of Mechanical Engineering, [S.l.], v. 51, n.3, p. 146-159, august 2017. 
ISSN 0039-2480.
Available at: <https://www.sv-jme.eu/article/a-double-stage-wind-turbine/>. Date accessed: 23 jan. 2026. 
doi:http://dx.doi.org/.

Schweiger, V., Širok, B., Tuma, M., & Mihelić, N.
(2005).
A Double-Stage Wind Turbine.
Strojniški vestnik - Journal of Mechanical Engineering, 51(3), 146-159.
doi:http://dx.doi.org/

@article{.,
	author = {Vlado  Schweiger and Brane  Širok and Matija  Tuma and Niko  Mihelić},
	title = {A Double-Stage Wind Turbine},
	journal = {Strojniški vestnik - Journal of Mechanical Engineering},
	volume = {51},
	number = {3},
	year = {2005},
	keywords = {wind turbines; double-stage turbines; aerodynamic efficiency; numerical analysis; },
	abstract = {In this paper we present an approach to increasing the wind-energy efficiency of a turbine by using a double-stage counter-rotating wind-turbine installation. The theoretical, aerodynamic efficiency, known as the Betz limit, is increased from 0.593 up to 0.640. A numerical analysis was made to establish the power and kinematic characteristics of single- and double-stage models. The results of the analysis show a significant increase in the aerodynamic efficiency with a second-stage installation. These results point toward the need for a further investigation of the double-stage model.},
	issn = {0039-2480},	pages = {146-159},	doi = {},
	url = {https://www.sv-jme.eu/article/a-double-stage-wind-turbine/}
}

Schweiger, V.,Širok, B.,Tuma, M.,Mihelić, N.
2005 August 51. A Double-Stage Wind Turbine. Strojniški vestnik - Journal of Mechanical Engineering. [Online] 51:3

%A Schweiger, Vlado 
%A Širok, Brane 
%A Tuma, Matija 
%A Mihelić, Niko 
%D 2005
%T A Double-Stage Wind Turbine
%B 2005
%9 wind turbines; double-stage turbines; aerodynamic efficiency; numerical analysis; 
%! A Double-Stage Wind Turbine
%K wind turbines; double-stage turbines; aerodynamic efficiency; numerical analysis; 
%X In this paper we present an approach to increasing the wind-energy efficiency of a turbine by using a double-stage counter-rotating wind-turbine installation. The theoretical, aerodynamic efficiency, known as the Betz limit, is increased from 0.593 up to 0.640. A numerical analysis was made to establish the power and kinematic characteristics of single- and double-stage models. The results of the analysis show a significant increase in the aerodynamic efficiency with a second-stage installation. These results point toward the need for a further investigation of the double-stage model.
%U https://www.sv-jme.eu/article/a-double-stage-wind-turbine/
%0 Journal Article
%R 
%& 146
%P 14
%J Strojniški vestnik - Journal of Mechanical Engineering
%V 51
%N 3
%@ 0039-2480
%8 2017-08-18
%7 2017-08-18

Schweiger, Vlado, Brane  Širok, Matija  Tuma, & Niko  Mihelić.
"A Double-Stage Wind Turbine." Strojniški vestnik - Journal of Mechanical Engineering [Online], 51.3 (2005): 146-159. Web.  23 Jan. 2026

TY  - JOUR
AU  - Schweiger, Vlado 
AU  - Širok, Brane 
AU  - Tuma, Matija 
AU  - Mihelić, Niko 
PY  - 2005
TI  - A Double-Stage Wind Turbine
JF  - Strojniški vestnik - Journal of Mechanical Engineering
DO  - 
KW  - wind turbines; double-stage turbines; aerodynamic efficiency; numerical analysis; 
N2  - In this paper we present an approach to increasing the wind-energy efficiency of a turbine by using a double-stage counter-rotating wind-turbine installation. The theoretical, aerodynamic efficiency, known as the Betz limit, is increased from 0.593 up to 0.640. A numerical analysis was made to establish the power and kinematic characteristics of single- and double-stage models. The results of the analysis show a significant increase in the aerodynamic efficiency with a second-stage installation. These results point toward the need for a further investigation of the double-stage model.
UR  - https://www.sv-jme.eu/article/a-double-stage-wind-turbine/

@article{{}{.},
	author = {Schweiger, V., Širok, B., Tuma, M., Mihelić, N.},
	title = {A Double-Stage Wind Turbine},
	journal = {Strojniški vestnik - Journal of Mechanical Engineering},
	volume = {51},
	number = {3},
	year = {2005},
	doi = {},
	url = {https://www.sv-jme.eu/article/a-double-stage-wind-turbine/}
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TY  - JOUR
AU  - Schweiger, Vlado 
AU  - Širok, Brane 
AU  - Tuma, Matija 
AU  - Mihelić, Niko 
PY  - 2017/08/18
TI  - A Double-Stage Wind Turbine
JF  - Strojniški vestnik - Journal of Mechanical Engineering; Vol 51, No 3 (2005): Strojniški vestnik - Journal of Mechanical Engineering
DO  - 
KW  - wind turbines, double-stage turbines, aerodynamic efficiency, numerical analysis, 
N2  - In this paper we present an approach to increasing the wind-energy efficiency of a turbine by using a double-stage counter-rotating wind-turbine installation. The theoretical, aerodynamic efficiency, known as the Betz limit, is increased from 0.593 up to 0.640. A numerical analysis was made to establish the power and kinematic characteristics of single- and double-stage models. The results of the analysis show a significant increase in the aerodynamic efficiency with a second-stage installation. These results point toward the need for a further investigation of the double-stage model.
UR  - https://www.sv-jme.eu/article/a-double-stage-wind-turbine/

Schweiger, Vlado, Širok, Brane, Tuma, Matija, AND Mihelić, Niko.
"A Double-Stage Wind Turbine" Strojniški vestnik - Journal of Mechanical Engineering [Online], Volume 51 Number 3 (18 August 2017)