Download or read book Wind Tunnel Investigation of Airfoils Oscillating in Reverse Flow Volume II Data Rept written by Lewis Gray and published by . This book was released on 1970 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: The report presents the final computer-processed data that resulted from the two-dimensional wind tunnel tests of the Vertol 23010-1.58 airfoil oscillating in reverse flow. A set of tables provides a comprehensive index to more than 250 pages of computer data. This volume also includes a series of C sub N and C sub M versus angle-of-attack and time history data plots, presenting data supplementary to Volume I. (Author).

Download or read book Wind Tunnel Investigation of Airfoils Oscillating in Reverse Flow written by Lewis Gray and published by . This book was released on 1970 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Wind Tunnel Investigation of Airfoils Oscillating in Reverse Flow Volume I Summary and Evaluation of Results written by Lewis Gray and published by . This book was released on 1970 with total page 90 pages. Available in PDF, EPUB and Kindle. Book excerpt: The report presents the results of an experimental investigation of the dynamic airloads on an airfoil (Vertol 23010-1.58) immersed in reverse flow such as occurs on the retreating side of a helicopter rotor disc in forward flight. Forces and moments in two-dimensional flow were determined from airfoil differential pressures measured during pitching oscillation. Mach number, Reynolds number, and mean angle-of-attack ranges corresponded to those typically encountered under full-scale flight conditions. Frequencies of oscillation were varied between values corresponding to the 1/rev and typical first elastic torsional frequency of rotor blades. Pitching oscillation was shown to postpone normal force and pitching moment stall to angles of attack well beyond static values. Large increases in dynamic CN and CM maxima due to reduced frequency and pitch rate effects were observed, while variations due to Mach number were found to be relatively small. (Author).

Download or read book Wind Tunnel Tests of Thin Airfoils Oscillating Near Stall Volume Ii Data Report written by Lewis Gray and published by . This book was released on 1969 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt: The report presents the actual computer data that resulted from the two-dimensional tests of thin airfoils oscillating near stall. An introduction provides a general background, and a set of tables forms an index to specific data. More than 200 pages of computer data are included.

Download or read book Wind Tunnel Tests of Thin Airfoils Oscillating Near Stall Data report written by Lewis Gray and published by . This book was released on 1969 with total page 294 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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Download or read book Two dimensional Wind Tunnel Test of an Oscillating Rotor Airfoil Volume 1 written by L. U. Dadone and published by . This book was released on 1977 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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Download or read book Two dimensional Wind Tunnel Test of an Oscillating Rotor Airfoil Volume II written by L U. Dadone and published by . This book was released on 1977 with total page 307 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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