Results 131 to 140 of about 180,287 (259)

Feasibility study of aileron and spoiler control systems for large horizontal axis wind turbines [PDF]

open access: yes
The feasibility of using aileron or spoiler controls as alternates to pitch control for large horizontal axis wind turbines was studied. The NASA Mod-0 100 kw machine was used as the basis for the study. Specific performance studies were conducted for 20%
Calhoun, J. T.   +2 more
core   +1 more source

UJI KARAKTERISTIK TURBIN ANGIN SAVONIUS 4 TINGKAT BERSEKAT DAN SUDUT GESER 45o DENGAN PEMBANDING TURBIN STANDAR [PDF]

open access: yes, 2013
Krisis energi dan lingkungan akhir-akhir ini menjadi isu global. Pembakaran BBM dan batubara menghasilkan pencemaran lingkungan dan CO2 yang mengakibatkan pemanasan global.
Maharwan, Abiseka, Sudargana, Ir. MT
core  

Some alternative dynamic design configurations for large horizontal axis WECS [PDF]

open access: yes
The present U.S. development effort toward large horizontal axis WECS concentrates on the configuration with two rigid blades with collective pitch variation and a yaw gear drive.
Hohenemser, K. H.
core   +1 more source

MOD-1 WTG dynamic analysis [PDF]

open access: yes
An analysis of the MOD-1 2000 kW horizontal axis wind turbine was given. The MOD-1 design was briefly described, and the analysis used to evaluate the dynamic loads and structural interactions is discussed. The resonant frequency placement, the treatment
Stahle, C. V., Jr.
core   +1 more source

Status of the 4 MW WTS-4 wind turbine [PDF]

open access: yes
The WTS-4 is a four-megawatt, horizontal-axis wind turbine presently being fabricated for the U.S. Department of Interior, Bureau of Reclamation, by United Technologies' Hamilton Standard division.
Bussolari, R. J.
core   +1 more source

Performance testing of a 50 kW VAWT in a built-up environment [PDF]

open access: yes, 1981
The results of performance tests of a DAF Indal 50 kW vertical axis wind turbine are presented. Results of limited free stream turbulence and vertical wind shear measurements at the site are also presented.
Schienbein, L. A.
core   +1 more source

Aeronautical Engineering: A special bibliography with indexes, supplement 54 [PDF]

open access: yes
This bibliography lists 316 reports, articles, and other documents introduced into the NASA scientific and technical information system in January ...

core   +1 more source

Recycled Glass Fiber Reinforced Polymer Composites Incorporated in Mortar for Improved Mechanical Performance [PDF]

open access: yes, 2017
Glass fiber reinforced polymer (GFRP) recycled from retired wind turbines was implemented in mortar as a volumetric replacement of sand during the two phases of this study.
Englund, Karl   +4 more
core  

Hydraulic Wind Power Transfer Technology [PDF]

open access: yes, 2013
poster abstractExpiration of renewable energy tax credits in general and a gap in wind energy breakthroughs in particular have caused high cost of wind energy and technological dependency on countries such as China and Germany.
Izadian, Afshin
core  

Experimental data and theoretical analysis of an operating 100 kW wind turbine [PDF]

open access: yes
Experimental test data are correlated with analyses of turbine loads and complete system behavior of the ERDA-NASA 100 kW Mod-0 wind turbine generator over a broad range of steady state conditions, as well as during transient conditions.
Anderson, W. D.   +3 more
core   +1 more source

Home - About - Disclaimer - Privacy