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Effect Of Advanced Rotorcraft Airfoil Sections On The Hover Performance Of A Small Scale Rotor Model
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Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781722189044 Total Pages :34 pages Book Rating :4.1/5 (89 download)
Book Synopsis Effect of Advanced Rotorcraft Airfoil Sections on the Hover Performance of a Small-Scale Rotor Model by : National Aeronautics and Space Administration (NASA)
Download or read book Effect of Advanced Rotorcraft Airfoil Sections on the Hover Performance of a Small-Scale Rotor Model written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-03 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt: A hover test was conducted on a small scale rotor model for two sets of tapered rotor blades. The baseline rotor blade set used a NACA 0012 airfoil section, whereas the second rotor blade set had advanced rotorcraft airfoils distributed along the radius. The experiment was conducted for a range of thrust coefficients and tip speeds, and the data were compared to the predictions of three analytical methods. The data show the advantage of the advanced airfoils at the higher rotor thrust levels; two of the analyses predicted the correct data trends. Althoff, Susan L. Langley Research Center DA PROJ. 1L1-61102-AH-45-A; RTOP 505-61-51-10...
Book Synopsis Effect of Advanced Rotorcraft Airfoil Sections on the Hover Performance of a Small-scale Rotor Model by : Susan L. Althoff
Download or read book Effect of Advanced Rotorcraft Airfoil Sections on the Hover Performance of a Small-scale Rotor Model written by Susan L. Althoff and published by . This book was released on 1988 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis NASA Technical Paper by : United States. National Aeronautics and Space Administration
Download or read book NASA Technical Paper written by United States. National Aeronautics and Space Administration and published by . This book was released on 1977 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Aerodynamic Characteristics of a Rotorcraft Airfoil Designed for the Tip Region of a Main Rotor Blade by : Kevin W. Noonan
Download or read book Aerodynamic Characteristics of a Rotorcraft Airfoil Designed for the Tip Region of a Main Rotor Blade written by Kevin W. Noonan and published by . This book was released on 1991 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1990 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effect of Blade Planform Variation on a Small-scale Hovering Rotor by : Susan L. Althoff
Download or read book Effect of Blade Planform Variation on a Small-scale Hovering Rotor written by Susan L. Althoff and published by . This book was released on 1990 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NASA Technical Memorandum written by and published by . This book was released on 1992 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effect of Blade Planform Variation on the Forward-flight Performance of Small-scale Rotors by :
Download or read book Effect of Blade Planform Variation on the Forward-flight Performance of Small-scale Rotors written by and published by . This book was released on 1992 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis NASA Scientific and Technical Publications by :
Download or read book NASA Scientific and Technical Publications written by and published by . This book was released on 1990 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monthly Catalog of United States Government Publications by :
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on 1992-04 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monthly Catalogue, United States Public Documents by :
Download or read book Monthly Catalogue, United States Public Documents written by and published by . This book was released on 1992 with total page 1384 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis NASA Technical Paper by : United States. National Aeronautics and Space Administration
Download or read book NASA Technical Paper written by United States. National Aeronautics and Space Administration and published by . This book was released on 1988 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effect on Helicopter Performance of Modifications in Profile-drag Characteristics of Rotor-blade Airfoil Sections by : F. B. Gustafson
Download or read book Effect on Helicopter Performance of Modifications in Profile-drag Characteristics of Rotor-blade Airfoil Sections written by F. B. Gustafson and published by . This book was released on 1944 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: Summary: Performance calculations are presented for a typical helicopter rotor in which three types of airfoil section were successively used. The types represented are the rough conventional, the smooth conventional, and the laminar-flow or low-drag sections as developed for helicopter use. The performance items covered are rotor thrust for fixed power in hovering, range and endurance at cruising speed, and power required at a relatively high forward speed. Contours showing the conditions of operation encountered by the blade section and weighting curves showing the relative importance of the various section angles of attack for specified flight conditions are included as an aid in the interpretation of the results. The calculations indicated that the use of a smooth conventional section will result in marked performance gains throughout the flight range. Definite, though smaller, additional gains in take-off weight and in range and endurance may be realized by the use of a low-drag section. At high forward speeds or at moderate forward speeds and high loadings, however, losses are indicated for the low-drag sections in contrast with the smooth conventional sections. It is demonstrated that, if these losses are to be avoided, the low-drag sections must be designed to avoid the extreme rise in drag coefficient at the higher angles of attack which is characteristic of the low-drag sections now available for use in helicopters.
Download or read book Aeronautical Engineering written by and published by . This book was released on 1991 with total page 538 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NASA SP. written by and published by . This book was released on 1993 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effect of Blade Planform Variation on a Small-scale Hovering Rotor by : Susan L. Althoff
Download or read book Effect of Blade Planform Variation on a Small-scale Hovering Rotor written by Susan L. Althoff and published by . This book was released on 1990 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hovering Characteristics of a Rotor Having an Airfoil Section Designed for a Utility Type of Helicopter by : James P. Shivers
Download or read book Hovering Characteristics of a Rotor Having an Airfoil Section Designed for a Utility Type of Helicopter written by James P. Shivers and published by . This book was released on 1962 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
