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Calculation Of Laminar Skin Friction On A Porous Plate By A Refined Integral Method
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Book Synopsis Calculation of Laminar Skin Friction on a Porous Plate by a Refined Integral Method by : Tse-Fou Zien
Download or read book Calculation of Laminar Skin Friction on a Porous Plate by a Refined Integral Method written by Tse-Fou Zien and published by . This book was released on 1970 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt: The skin friction on a porous flat plate in the presence of an incompressible laminar boundary layer is calculated by a generalization of a refined integral technique. This method is based on a double integration of the momentum equation, replacing the skin-friction term by an integral representation involving the assumed velocity profile. Both a case of similarity blowing of suction and a case of uniform blowing or suction were studied. Using two simple and crude velocity profiles of polynominal form with constant coefficients, closed-form solutions are obtained through simple procedures and compared with the available exact solutions. The same profiles are then employed in the usual integral method to calculate the corresponding skin friction. (Author).
Book Synopsis Study of Boundary-layer Flows with Pressure Gradient and Mass Transfer by a Simple Integral Method by : Tse-Fou Zien
Download or read book Study of Boundary-layer Flows with Pressure Gradient and Mass Transfer by a Simple Integral Method written by Tse-Fou Zien and published by . This book was released on 1971 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt: A refined Karman-Pohlhausen method previously generalized by Zien to include the effects of mass transfer is further explored and its application is extended to cases involving both pressure gradients and surface mass transfer. The case with piece-wise suction (or blowing) is also included. The study is restricted to plane, incompressible, laminar boundary layers. Configurations of flat plates and circular cylinders are chosen to illustrate the application of the method. Results are given mainly in terms of skin frictions, and they are presented entirely in closed forms. The calculations for the porous plate case are carried out using rather elaborate velocity profiles, but the results differ negligibly from previous ones with very simple profiles. A linear velocity profile is then used to carry out some exploratory calculations for more complex flows. The method is shown to be a potentially efficient tool for handling the problem of boundary-layer control by means of surface mass transfer. (Author).
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 1976 with total page 978 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 1972 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bibliography of Scientific and Industrial Reports by :
Download or read book Bibliography of Scientific and Industrial Reports written by and published by . This book was released on 1970 with total page 922 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Approximate Calculation of Heat Transfer in Transpired Boundary Layers by : Tse-Fou Zien
Download or read book An Approximate Calculation of Heat Transfer in Transpired Boundary Layers written by Tse-Fou Zien and published by . This book was released on 1973 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: An approximate method of calculating the surface heat transfer in a transpired boundary layer is presented. The method is based on an idea for refining the momentum integral technique. A semi-infinite, isothermal flat plate with uniform surface mass flux is used to demonstrate the method. The flow is assumed to be laminar. Results are presented for both incompressible and compressible boundary layers, and comparisons are made with numerical solutions or other approximate results. The findings are indicative of the potential of the method for development into an efficient tool for studying boundary-layer flows of a more complex nature. (Author Modified Abstract).
Book Synopsis Approximate Analysis of Heat Transfer in Transpired Boundary Layers at Limiting Prandtl Numbers by : Tse-Fou Zien
Download or read book Approximate Analysis of Heat Transfer in Transpired Boundary Layers at Limiting Prandtl Numbers written by Tse-Fou Zien and published by . This book was released on 1974 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt: A simple procedure is developed for approximate calculations of wall heat-transfer rates in transpired boundary layers. Applications of this procedure are illustrated by various examples of incompressible, laminar flows in the limits of large and small Prandtl numbers. A distinguished limit of large Prandtl number and small mass-transfer rate is easily identified, and some limiting solutions are presented for the porous-plate configuration. Calculations for the cases with small Prandtl numbers explicitly demonstrate the usefulness of the method in studying transient heat-conduction problems. The remarkable combination of accuracy and simplicity represents the principal merit of the method. (Author).
Book Synopsis Government Reports Announcements by :
Download or read book Government Reports Announcements written by and published by . This book was released on 1971-02-25 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis U.S. Government Research & Development Reports by :
Download or read book U.S. Government Research & Development Reports written by and published by . This book was released on 1971 with total page 900 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Government Reports Index written by and published by . This book was released on 1971 with total page 942 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bibliography of Scientific and Industrial Reports by :
Download or read book Bibliography of Scientific and Industrial Reports written by and published by . This book was released on 1971 with total page 930 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Pacific International Conference on Aerospace Science and Technology by :
Download or read book Pacific International Conference on Aerospace Science and Technology written by and published by . This book was released on 1994 with total page 610 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :American Society of Mechanical Engineers. Winter Annual Meeting Publisher :American Society of Civil Engineers ISBN 13 : Total Pages :80 pages Book Rating :4.3/5 (91 download)
Book Synopsis General Papers in Fluids Engineering, 1991 by : American Society of Mechanical Engineers. Winter Annual Meeting
Download or read book General Papers in Fluids Engineering, 1991 written by American Society of Mechanical Engineers. Winter Annual Meeting and published by American Society of Civil Engineers. This book was released on 1991 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis International Aerospace Abstracts by :
Download or read book International Aerospace Abstracts written by and published by . This book was released on 1997 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Solution of the Laminar-boundary-layer Equation for the Flat Plate for Velocity and Temperature Fields for Variable Physical Properties and for the Diffusion Field at High Concentration by : H. Shuh
Download or read book The Solution of the Laminar-boundary-layer Equation for the Flat Plate for Velocity and Temperature Fields for Variable Physical Properties and for the Diffusion Field at High Concentration written by H. Shuh and published by . This book was released on 1950 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: In connection with Pohlhausen's solution for the temperature field on the flat plate, a series of formulas were indicated by means of which the velocity and temperature field for variable physical characteristics can be computed by an integral equation and an iteration method based on it. With it, the following cases were solved: On the assumption that the viscosity simply varies with the temperature while the other fluid properties remain constant, the velocity and temperature field on the heated and cooled plate, respectively, was computed at the Prandtl numbers 12.5 and 100 (viscous fluids). A closer study of these two cases resulted in general relations: The calculations for a gas of Pr number 0.7 (air) were conducted on the assumption that all fluid properties vary with the temperature, and the velocities are low enough for the heat of friction to be discounted. The result was a thickening of the boundary layers, but no appreciable modification in shearing stress or heat-transfer coefficient.
Book Synopsis Government Reports Announcements & Index by :
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1987 with total page 446 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis AIAA 26th Aerospace Sciences Meeting by :
Download or read book AIAA 26th Aerospace Sciences Meeting written by and published by . This book was released on 1988 with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt:
