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A Scale And Turbulence Effects On The Lift And Drag Characteristics Of The Naca 653 418
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Book Synopsis A Scale and Turbulence Effects on the Lift and Drag Characteristics of the NACA 653-418 by : John H. Quinn
Download or read book A Scale and Turbulence Effects on the Lift and Drag Characteristics of the NACA 653-418 written by John H. Quinn and published by . This book was released on 1944 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: Summary: An investigation in two NACA wind tunnels has determined the effect of Reynolds number and stream turbulence on the lift and drag characteristics of a low-drag airfoil, the NACA 653-418, a=1.0 section, particularly at low Reynolds numbers, to give an indication of the performance of low-drag wings in low-scale tests. The results are correlated with similar data for the same airfoil section in the NACA two-dimensional low-turbulence pressure tunnel to provide data over a range of Reynolds number from 0.19 to 9.0 x 106. Large increases in minimum drag coefficient were found as the Reynolds number decreased. This effect was particularly marked at Reynolds numbers below 1.5 x 106. At Reynolds numbers below 1.5 x 106, stream turbulence had little effect on the drag characteristics of the NACA 653-418 airfoil section when compared on the basis of test Reynolds number but, at higher Reynolds numbers, stream turbulence had a detrimental effect on drag. Large decreases in maximum lift coefficient were found with decreasing Reynolds number; most of this decrease was encountered at Reynolds numbers above 2.0 x 106. Marked differences in maximum lift were apparent between the results obtained at high and low turbulence. When compared on the basis of effective Reynolds number, however, fair agreement was reached between the data obtained under both turbulence conditions.
Book Synopsis A Selected Listing of NASA Scientific and Technical Reports for ... by :
Download or read book A Selected Listing of NASA Scientific and Technical Reports for ... written by and published by . This book was released on 1949 with total page 664 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Collection and Analysis of Wind-tunnel Data on the Characteristics of Isolated Tail Surfaces with and Without End Plates by : WIlliam R. Bates
Download or read book Collection and Analysis of Wind-tunnel Data on the Characteristics of Isolated Tail Surfaces with and Without End Plates written by WIlliam R. Bates and published by . This book was released on 1947 with total page 538 pages. Available in PDF, EPUB and Kindle. Book excerpt: The aerodynamic characteristics of 19 isolated tail surfaces have been determined by wind-tunnel tests and tests have also been made of rectangular airfoils of various aspect ratios with and without double end plates of various shapes. Thes data from these tests have been collected and analyzed.
Book Synopsis Report by : United States. National Advisory Committee for Aeronautics
Download or read book Report written by United States. National Advisory Committee for Aeronautics and published by . This book was released on 1955 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Annual Report - National Advisory Committee for Aeronautics by : United States. National Advisory Committee for Aeronautics
Download or read book Annual Report - National Advisory Committee for Aeronautics written by United States. National Advisory Committee for Aeronautics and published by . This book was released on 1955 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Includes the Committee's Technical reports no. 1-1058, reprinted in v. 1-37.
Book Synopsis NACA Wartime Report by : United States. National Advisory Committee for Aeronautics
Download or read book NACA Wartime Report written by United States. National Advisory Committee for Aeronautics and published by . This book was released on with total page 690 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Index of NACA Technical Publications by : United States. National Advisory Committee for Aeronautics
Download or read book Index of NACA Technical Publications written by United States. National Advisory Committee for Aeronautics and published by . This book was released on 1949 with total page 616 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Wartime Report written by and published by . This book was released on with total page 342 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Technical Note - National Advisory Committee for Aeronautics by : United States. National Advisory Committee for Aeronautics
Download or read book Technical Note - National Advisory Committee for Aeronautics written by United States. National Advisory Committee for Aeronautics and published by . This book was released on 1947 with total page 570 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Technical Note written by and published by . This book was released on 1947 with total page 566 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Wartime Report by : United States. National Advisory Committee for Aeronautics
Download or read book Wartime Report written by United States. National Advisory Committee for Aeronautics and published by . This book was released on with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Report - National Advisory Committee for Aeronautics by : United States. National Advisory Committee for Aeronautics
Download or read book Report - National Advisory Committee for Aeronautics written by United States. National Advisory Committee for Aeronautics and published by . This book was released on 1945 with total page 752 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NACA Research Memorandum written by and published by . This book was released on 1948 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Scale-effect Tests in a Turbulent Tunnel of the NACA 653-418 by : Warren A. Tucker
Download or read book A Scale-effect Tests in a Turbulent Tunnel of the NACA 653-418 written by Warren A. Tucker and published by . This book was released on 1944 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt: Summary: The effect of Reynolds number on the aerodynamic characteristics of a low-drag airfoil section tested under conditions of relatively high stream turbulence was determined by tests in the LMAL 7- by 10-foot tunnel of the NACA 653-418, a = 1.0 airfoil section with a split flap having a chord 20 percent of the airfoil chord. The Reynolds number ranged from 0.19 to 2.99 x 106; the Mach number attained was never greater than 0.10. The data are presented as curves of section angle of attack, section profile-drag coefficient, and section pitching-moment coefficient against section lift coefficient for various flap deflections. The maximum lift coefficient increased with Reynolds number. Deflecting the flap added an increment of maximum lift coefficient that seemed to be almost constant at all Reynolds numbers. The slope of the section lift curve with flap deflected showed no consistent variation with Reynolds number, although the slope of the section lift curve for the plain airfoil increased up to a Reynolds number of about 1.0 x 10 6 and then remained nearly constant up to a Reynolds number of about 3.0 x 106, the limit of the tests. For flap deflections about 15°, the slope of the section lift curve decreased with increase in flap deflection. The section drag coefficient with flap deflected remained almost constant with Reynolds number of about 0.8 x 106 and then remained nearly constant to a Reynolds number of about 3.0 x 106.
Book Synopsis Wartime Report Release List by : United States. National Advisory Committee for Aeronautics
Download or read book Wartime Report Release List written by United States. National Advisory Committee for Aeronautics and published by . This book was released on 1947 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis United States Government Publications, a Monthly Catalog by : United States. Superintendent of Documents
Download or read book United States Government Publications, a Monthly Catalog written by United States. Superintendent of Documents and published by . This book was released on 1946 with total page 1808 pages. Available in PDF, EPUB and Kindle. Book excerpt: February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index.
Book Synopsis United States Government Publications Monthly Catalog by :
Download or read book United States Government Publications Monthly Catalog written by and published by . This book was released on 1946 with total page 1718 pages. Available in PDF, EPUB and Kindle. Book excerpt:
