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Skin Friction Measurements In Incompressible Flow
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Book Synopsis Skin-friction Measurements in Incompressible Flow by : Donald W. Smith
Download or read book Skin-friction Measurements in Incompressible Flow written by Donald W. Smith and published by . This book was released on 1959 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: Experiment have been conducted to measure the local surface-shear stress and the average skin-friction coefficient in incompressible flow for a turbulent boundary layer on a smooth flat plate having zero pressure gradient. Data were obtained for a range of Reynolds numbers from 1 million to 45 million. The local surface-shear stress was measured by a floating-element skin-friction balance and also by a calibrated total head tube located on the surface of the test wall. The average skin-friction coefficient was obtained from boundary-layer velocity profiles.
Book Synopsis Skin-friction Measurements in Incompressible Flow by : Donald W. Smith
Download or read book Skin-friction Measurements in Incompressible Flow written by Donald W. Smith and published by . This book was released on 1959 with total page 35 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Skin-friction Measurements in Incompressible Flow [with List of References] by :
Download or read book Skin-friction Measurements in Incompressible Flow [with List of References] written by and published by . This book was released on 1959 with total page 35 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Skin-Friction Measurements in An Incompressible Pressure-Gradient Turbulent Boundary Layer. Review of Techniques and Results by :
Download or read book Skin-Friction Measurements in An Incompressible Pressure-Gradient Turbulent Boundary Layer. Review of Techniques and Results written by and published by . This book was released on 2002 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Experimental definition of the local and integral values of friction drag of an aircraft or its elements is one of the basic problems of applied aerodynamics. We also should note the undoubted significance of this value for the development of modern lifting profiles and other aircraft elements, the description of near-wall flows in a form of similarity laws and testing of the numerical techniques of computation of flow around such aircrafts. However, to define this value accurately, one should have a clear conception of the possibilities and efficiency of application of one or another technique for a special case of body flow around. Though any experimental work assumes application of a certain concrete technique, including one for skin friction finding, the available literature information is as a rule uncoordinated, i.e., this information reflects only the level of availability of the technique applied. For this reason the researches like devoted to the development of new techniques and investigation of the efficiency of the known ones under various experimental conditions, become very important. The simplified layout gives a pictorial view of the main techniques of skin friction measurement, existing at the present time. The detailed consideration of these techniques is given in The present paper presents a comparative analysis of a number of direct and indirect measuring techniques wen they are applied in a incompressible turbulent boundary layer of a flat plate under the conditions of formation of a unfavorable (positive) and favorable (negative) streamwise pressure gradients on the plate surface, and also in plate gradient-free flow around.
Book Synopsis Comparison Between Experimental Measurements and a Suggested Formula for the Variation of Turbulent Skin-friction Incompressible Flow by : Aeronautical Research Council
Download or read book Comparison Between Experimental Measurements and a Suggested Formula for the Variation of Turbulent Skin-friction Incompressible Flow written by Aeronautical Research Council and published by . This book was released on 1951 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Skin Friction Measurement Techniques in Incompressible Turbulent Flow by : A. Bertelrud
Download or read book Skin Friction Measurement Techniques in Incompressible Turbulent Flow written by A. Bertelrud and published by . This book was released on 1972 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Turbulent Skin Friction at High Mach Numbers and Reynolds Numbers in Air and Helium by : Fred W. Matting
Download or read book Turbulent Skin Friction at High Mach Numbers and Reynolds Numbers in Air and Helium written by Fred W. Matting and published by . This book was released on 1961 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Velocity Profile, Skin-friction Balance and Heat-transfer Measurements of the Turbulent Boundary Layers at Mach 5 and Zero-pressure Gradient by : Roland E. Lee
Download or read book Velocity Profile, Skin-friction Balance and Heat-transfer Measurements of the Turbulent Boundary Layers at Mach 5 and Zero-pressure Gradient written by Roland E. Lee and published by . This book was released on 1969 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt: The results of a detailed experimental investigation of a two- dimensional turbulent boundary layer at zero-pressure gradient are presented. The studies were made at the free-stream Mach number of 5, momentum-thickness Reynolds number from 4800 to 56,000 and wall-to-adiabatic-wall temperature ratios from 0.5 to 1.0. The data are in analytical terms of velocity profile, temperature profile, law-of-the-wall, velocity-defect law and incompressible form factor. Comparisons of local skin-friction coefficients obtained by four different experimental methods are shown. An empirical equation was derived from the shear-balance data to calculate the friction coefficient from known values of Mach number, heat transfer and Reynolds number.
Book Synopsis Summary of Studies on the Measurement of Local Skin Friction by Means of the Surface Impact Or Preston Tube by : J. C. Westkaemper
Download or read book Summary of Studies on the Measurement of Local Skin Friction by Means of the Surface Impact Or Preston Tube written by J. C. Westkaemper and published by . This book was released on 1964 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report summarizes work done on the use of the surface impact probe, or Preston tube, method of measuring skin friction in turbulent, compressible boundary layers. The theory for incompressible flow was extended to the case of adiabatic, compressible flow, and the extended theory was experimentally shown to be valid. It has also been demonstrated that the extension is applicable to adiabatic flow with moderate adverse pressure gradients. Experimental and theoretical efforts to apply the impact probe method to compressible flows with moderate, aerodynamic heating were only partially successful. (Author).
Download or read book NASA Technical Report written by and published by . This book was released on 1962 with total page 44 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 1958 with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Flight Evaluation and Analysis of the Effect of Icing Conditions on the ZPG-2 Airship by : William Lewis
Download or read book A Flight Evaluation and Analysis of the Effect of Icing Conditions on the ZPG-2 Airship written by William Lewis and published by . This book was released on 1958 with total page 648 pages. Available in PDF, EPUB and Kindle. Book excerpt: A series of test flights was conducted by the U. S. Navy over a 3-year period to evaluate the effects of icing on the operation of the ZFG-2 airship. In supercooled clouds, ice formed only on the forward edges of small protuberances and wires and presented no serious hazard to operation. Ice secretions of the glaze type which occurred in conditions described as freezing drizzle adversely affected various components to a somewhat greater extent. The results indicated a need for protection of certain components such as antennas, propellers, ad certain parts of the control system.
Book Synopsis Technical Note by : United States. National Advisory Committee for Aeronautics
Download or read book Technical Note written by United States. National Advisory Committee for Aeronautics and published by . This book was released on 1958 with total page 790 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Compressible Turbulent Boundary Layers by :
Download or read book Compressible Turbulent Boundary Layers written by and published by . This book was released on 1969 with total page 580 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 1973 with total page 1040 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Download or read book NASA Technical Note written by and published by . This book was released on 1970 with total page 442 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Flow Measurement in Open Channels and Closed Conduits by : Lafayette K. Irwin
Download or read book Flow Measurement in Open Channels and Closed Conduits written by Lafayette K. Irwin and published by . This book was released on 1977 with total page 516 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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