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Calculation Of Tunnel Induced Upwash Velocities For Swept And Yawed Wings
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Book Synopsis Calculation of Tunnel-induced Upwash Velocities for Swept and Yawed Wings by : S. Katzoff
Download or read book Calculation of Tunnel-induced Upwash Velocities for Swept and Yawed Wings written by S. Katzoff and published by . This book was released on 1948 with total page 670 pages. Available in PDF, EPUB and Kindle. Book excerpt: The tunnel-induced upwash for a wing of any plan form and load distribution in a rectangular tunnel may be found with the aid of only two charts. One is given in the present paper. The second must be computed for each tunnel. The second chart is given for an open tunnel of 2:1 width-height ratio, a closed tunnel of 2:5 width-height ratio, and a closed tunnel of 10:7 width-height ratio.
Book Synopsis Boundary-induced Upwash for Yawed and Swept-back Wings in Closed Circular Wind Tunnels by : Bertram J. Eisenstadt
Download or read book Boundary-induced Upwash for Yawed and Swept-back Wings in Closed Circular Wind Tunnels written by Bertram J. Eisenstadt and published by . This book was released on 1947 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: The tunnel-induced velocities for yawed and swept-back airfoils in a closed circular wind tunnel were determined. The calculations were performed for elemental horseshoe vortices having one tip of the bound vortex on the tunnel axis for a range of yaw angles and bound-vortex lengths. From these results, the correction for complete yawed and swept-back wings of arbitrary span loading may be obtained by a superposition of solutions.
Book Synopsis Relationship of Metal Surfaces to Heat-aging Properties of Adhesive Bonds by : J. M. Black
Download or read book Relationship of Metal Surfaces to Heat-aging Properties of Adhesive Bonds written by J. M. Black and published by . This book was released on 1958 with total page 698 pages. Available in PDF, EPUB and Kindle. Book excerpt: A study was made to determine the probable causes of deterioration of each of several adhesives in bonds to stainless steel at temperatures from 400 to 550 degrees F. Prellminary studies of aluminum surfaces on which ions of metals used in staLnless steel were introduced showed that iron was probably catalyzing a thermal deterioration of the adhesive. The resistance of FPL-878 adhesive to thermal deterioration at 550 degrees F on steel was improved signiffcantly by treating the steel surface to be bonded with either zinc or cerium naphthenate and firing at 1,200 degrees F. The addition of manganese dioxide to the adhesive also increased its resistance to thermal deterioration. A study of the thermal-aging properties of five different chemical types of adhesives on stainless steel and alumina revealed that a phenol-nitrile rubber adhesive was superior to a phenol-epoxy adhesive on steel, but this order was reversed on alumina. These and other observations indicated probable specific relationships among the chemical structure of the adhesive, the metal adherend, and the resultant thermal stability of bonds after aging at high temperatures.
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 1958 with total page 992 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experimental Verification of Two Methods for Computing the Take-off Ground Run of Propeller-driven Aircraft by : Welko E. Gasich
Download or read book Experimental Verification of Two Methods for Computing the Take-off Ground Run of Propeller-driven Aircraft written by Welko E. Gasich and published by . This book was released on 1947 with total page 606 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comparison is presented between the measured take-off ground run of an airplane equipped with seven different propeller-engine gear-ratio combinations and the computed distances by two different methods.
Download or read book NACA Research Memorandum written by and published by . This book was released on 1958 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Applied Mechanics Reviews written by and published by . This book was released on 1948 with total page 770 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NASA Technical Note written by and published by . This book was released on 1963 with total page 430 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NASA Technical Report written by and published by . This book was released on 1966 with total page 550 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 1948 with total page 550 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Method of Matching Components and Predicting Performance of a Turbine-propeller Engine by : Alois T. Sutor
Download or read book Method of Matching Components and Predicting Performance of a Turbine-propeller Engine written by Alois T. Sutor and published by . This book was released on 1951 with total page 706 pages. Available in PDF, EPUB and Kindle. Book excerpt: Analytical expressions are derived to show the geometric, thermodynamic, and aerodynamic relations among compressor, turbine, and exhaust nozzle for a gas-turbine engine. For a known compressor performance map, a matching method is described to show some of the design compromises that must be made when the components are to be combined into a turbine-propeller engine. A method of predicting engine performance for a range of operating conditions from known component maps is presented. An illustrative example of the matching method and the performance analysis is presented, showing some of the practical limitations of engine operation.
Book Synopsis Low-speed Wind Tunnel Testing by : Alan Pope
Download or read book Low-speed Wind Tunnel Testing written by Alan Pope and published by . This book was released on 1966 with total page 482 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Wind-tunnel Lift Interference on Sweptback Wings in Rectangular Test Sections with Slotted Top and Bottom Walls by : Ray H. Wright
Download or read book Wind-tunnel Lift Interference on Sweptback Wings in Rectangular Test Sections with Slotted Top and Bottom Walls written by Ray H. Wright and published by . This book was released on 1966 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: A theory is presented for the boundary-induced up-wash interference on a sweptback lifting wing mounted at the center of a rectangular wind-tunnel test section with slotted top and bottom walls and closed side walls. A sample calculation for a wing spanning 0.7 of the width of a square tunnel shows the span-wise variation in the interference characteristic of this type of test section. For this example, the wing sweep did not have a large effect on the interference.
Book Synopsis Wind-tunnel Lift Interference on Sweptback Wings in Rectangular Test Sections with Slotted Side Walls by :
Download or read book Wind-tunnel Lift Interference on Sweptback Wings in Rectangular Test Sections with Slotted Side Walls written by and published by . This book was released on 1970 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurements of Section Characteristics of a 45 Degree Swept Wing Spanning a Rectangular Low-speed Wind Tunnel as Affected by the Tunnel Walls by : Robert E. Dannenberg
Download or read book Measurements of Section Characteristics of a 45 Degree Swept Wing Spanning a Rectangular Low-speed Wind Tunnel as Affected by the Tunnel Walls written by Robert E. Dannenberg and published by . This book was released on 1950 with total page 678 pages. Available in PDF, EPUB and Kindle. Book excerpt: Tunnel-wall corrections for the induced upwash velocity for a swept wing completely spanning a rectangular wind tunnel are included in the appendix.
Book Synopsis Boundary-induced Downwash Due to Lift in a Two-dimensional Slotted Wind Tunnel by : S. Katzoff
Download or read book Boundary-induced Downwash Due to Lift in a Two-dimensional Slotted Wind Tunnel written by S. Katzoff and published by . This book was released on 1959 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: A solution has been obtained for the complete tunnel-interference flow for a lifting vortex in a two-dimensional slotted tunnel. Curves are presented for the longitudinal distribution of tunnel-induced down-wash angle for various values of the boundary openness parameter and for various heights of the vortex above the tunnel center line. Some quantitative discussion is given of the use of these results in calculating the tunnel interference for three-dimensional wings in rectangular tunnels with closed side walls and slotted top and bottom.
Book Synopsis Subsonic Wind Tunnel Wall Corrections by : Henry Clifford Garner
Download or read book Subsonic Wind Tunnel Wall Corrections written by Henry Clifford Garner and published by . This book was released on 1966 with total page 704 pages. Available in PDF, EPUB and Kindle. Book excerpt:
