Download or read book An Investigation of the Aerodynamic Characteristics of Rotating Wind driven Airfoils written by John L. Hosch and published by . This book was released on 1925 with total page 90 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book An Investigation of the Aerodynamic Characteristics of Davis Airfoils written by James Lyle Burridge and published by . This book was released on 1943 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Aerodynamic Characteristics of Two Rotorcraft Airfoils Designed for Application to the Inboard Region of a Main Rotor Blade written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-02 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt: A wind tunnel investigation was conducted to determine the 2-D aerodynamic characteristics of two new rotorcraft airfoils designed especially for application to the inboard region of a helicopter main rotor blade. The two new airfoils, the RC(4)-10 and RC(5)-10, and a baseline airfoil, the VR-7, were all studied in the Langley Transonic Tunnel at Mach nos. from about 0.34 to 0.84 and at Reynolds nos. from about 4.7 to 9.3 x 10 (exp 6). The VR-7 airfoil had a trailing edge tab which is deflected upwards 4.6 degs. In addition, the RC(4)-10 airfoil was studied in the Langley Low Turbulence Pressure Tunnel at Mach nos. from 0.10 to 0.44 and at Reynolds nos. from 1.4 to 5.4 x 10 (exp 6) respectively. Some comparisons were made of the experimental data for the new airfoils and the predictions of two different theories. The results of this study indicates that both of the new airfoils offer advantages over the baseline airfoil. These advantages are discussed. Noonan, Kevin W. Langley Research Center...

Download or read book An Experimental Investigation of Aerodynamic Effects of Airfoil Thickness on Transonic Flutter Characteristics written by Robert V. Doggett and published by . This book was released on 1959 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Aerodynamic Characteristics of a Large Number of Airfoils Tested in the Variable density Wind Tunnel written by Isadore Edward Garrick and published by . This book was released on 1938 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book An Experimental Investigation of the Influence of Vertical Wind Shear on the Aerodynamic Characteristics of an Airfoil written by Francis M. Payne and published by . This book was released on 1981 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Advances in Wind Turbine Blade Design and Materials written by Povl Brondsted and published by Elsevier. This book was released on 2013-10-31 with total page 485 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wind energy is gaining critical ground in the area of renewable energy, with wind energy being predicted to provide up to 8% of the world's consumption of electricity by 2021. Advances in wind turbine blade design and materials reviews the design and functionality of wind turbine rotor blades as well as the requirements and challenges for composite materials used in both current and future designs of wind turbine blades.Part one outlines the challenges and developments in wind turbine blade design, including aerodynamic and aeroelastic design features, fatigue loads on wind turbine blades, and characteristics of wind turbine blade airfoils. Part two discusses the fatigue behavior of composite wind turbine blades, including the micromechanical modelling and fatigue life prediction of wind turbine blade composite materials, and the effects of resin and reinforcement variations on the fatigue resistance of wind turbine blades. The final part of the book describes advances in wind turbine blade materials, development and testing, including biobased composites, surface protection and coatings, structural performance testing and the design, manufacture and testing of small wind turbine blades.Advances in wind turbine blade design and materials offers a comprehensive review of the recent advances and challenges encountered in wind turbine blade materials and design, and will provide an invaluable reference for researchers and innovators in the field of wind energy production, including materials scientists and engineers, wind turbine blade manufacturers and maintenance technicians, scientists, researchers and academics. - Reviews the design and functionality of wind turbine rotor blades - Examines the requirements and challenges for composite materials used in both current and future designs of wind turbine blades - Provides an invaluable reference for researchers and innovators in the field of wind energy production

Download or read book An Experimental Investigation of the Aerodynamic Characteristics of a Heated Airfoil written by Warren James Allen (Jr.) and published by . This book was released on 1939 with total page 47 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book The Aerodynamic Characteristics of Three Tapered Airfoils Tested in the Variable Density Wind Tunnel written by Raymond F. Anderson and published by . This book was released on 1931 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report contains the lift, drag, and moment characteristics of tapered Clark Y, Gottingen 398, and U.S.A. 45 airfoils as obtained from tests made in the Variable Density Wind Tunnel. The results are given at both low and high Reynolds numbers to show scale effect and to provide data for use in airplane design.

Download or read book Aerodynamic Characteristics of Several Airfoils of Low Aspect Ratio written by Charles Horton Zimmerman and published by . This book was released on 1935 with total page 530 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Wind Tunnels of NASA written by Donald D. Baals and published by . This book was released on 1981 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Predicting Aerodynamic Characteristic of Typical Wind Turbine Airfoils Using CFD written by and published by . This book was released on 1997 with total page 41 pages. Available in PDF, EPUB and Kindle. Book excerpt: An investigation was conducted into the capabilities and accuracy of a representative computational fluid dynamics code to predict the flow field and aerodynamic characteristics of typical wind-turbine airfoils. Comparisons of the computed pressure and aerodynamic coefficients were made with wind tunnel data. This work highlights two areas in CFD that require further investigation and development in order to enable accurate numerical simulations of flow about current generation wind-turbine airfoils: transition prediction and turbulence modeling. The results show that the laminar-to turbulent transition point must be modeled correctly to get accurate simulations for attached flow. Calculations also show that the standard turbulence model used in most commercial CFD codes, the k-e model, is not appropriate at angles of attack with flow separation. 14 refs., 28 figs., 4 tabs.

Download or read book An Experimental Investigation of the Aerodynamic Characteristics of Stepped wedge Airfoils at Low Speeds written by James D. DeLaurier and published by . This book was released on 1974 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book An Experimental Investigation of the Aerodynamic Characteristics of a Thin Supercritical Airfoil with Small Leading Edge Radius written by Richard L. Perry (CAPT, USAF.) and published by . This book was released on 1974 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1994 with total page 892 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Theoretical and Experimental Investigation of the Aerodynamic Properties of Airfoils Near Stall in a Two written by G. R. Ludwig and published by . This book was released on 1966 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt: A theoretical method, which requires the use of a digital computer, was developed to predict pressure distributions on an airfoil in an inviscid two-dimensional monuniformly sheared flow. The theory is applicable to airfoils of arbitrary profile and to nonuniformly sheared flows which can be represented by segments with linear velocity profiles. To test the developed theory, aerodynamic characteristics of an airfoil were investigated both theoretically and experimentally in a relatively simple two-dimensional nonuniformly sheared flow consisting of two segments with shears of equal magnitude but of opposite sign. Agreement between computed and experimental pressure distributions was good and on the basis of these results, a mechanism is postulated by which the large variations in lift previously observed in a two-dimensional nonuniformly sheared flow can occur. (Author).

Download or read book Energy Research Abstracts written by and published by . This book was released on 1995 with total page 782 pages. Available in PDF, EPUB and Kindle. Book excerpt: