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An Experimental Investigation Of The Characteristics Of Turbulence In A Triangular Duct
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Book Synopsis An Experimental Investigation of the Characteristics of Turbulence in a Triangular Duct by : Clifford John Cremers
Download or read book An Experimental Investigation of the Characteristics of Turbulence in a Triangular Duct written by Clifford John Cremers and published by . This book was released on 1961 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Experimental Investigation of Turbulence at the Wall of a Pipe by : Donald Hiroshi Tanaka
Download or read book An Experimental Investigation of Turbulence at the Wall of a Pipe written by Donald Hiroshi Tanaka and published by . This book was released on 1969 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt: The study of flow induced phenomena at the interface between a solid body and a fluid in contact with it is essential to the understanding of such vital engineering problems as drag, flow noise and other energy dissipation characteristics of turbulent flow. At present, investigations have been made of flow properties near a solid boundary and the results extrapolated to the boundary itself by means of energy and momentum conservation principles. The results of these experiments tend to support the theory; however, the data is sparse and many assumptions and secondary mathematical relations must be used before this can be achieved. In this study shear stress was measured at the wall itself using flush-mounted hot-film anemometers. The purpose was to test two models of the structure of the viscous sublayer. The test apparatus consisted of a pipe four inches in diameter and forty feet long connected to a water reservoir in a closed loop design. The test section was located near the end of the pipe to assure fully developed flow conditions. Fluctuating wall shear stress was measured to determine a model of the viscous sublayer.
Book Synopsis An Experimental Investigation of Turbulent Isothermal and Non-isothermal Flow in an Asymmetrically Roughened Rectangular Duct by : Charlene A. Caulfield
Download or read book An Experimental Investigation of Turbulent Isothermal and Non-isothermal Flow in an Asymmetrically Roughened Rectangular Duct written by Charlene A. Caulfield and published by . This book was released on 1990 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experimental Investigation of Turbulent Flow Through a Circular-to-rectangular Transition Duct by : David O. Davis
Download or read book Experimental Investigation of Turbulent Flow Through a Circular-to-rectangular Transition Duct written by David O. Davis and published by . This book was released on 1991 with total page 482 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Nature of Turbulence in a Narrow Apex Angle Isosceles Triangular Duct by : Vaidyanathan Krishnan
Download or read book The Nature of Turbulence in a Narrow Apex Angle Isosceles Triangular Duct written by Vaidyanathan Krishnan and published by . This book was released on 2007 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt: An experimental investigation was performed to ascertain the nature of turbulence in a narrow apex angle isosceles triangular duct. The study involved the design and construction of a low noise, low turbulence wind tunnel that had an isosceles triangular test section with an apex angle of 11.5°. Experiments involved the measurement of velocity fluctuations using hot wire anemometry and wall pressure fluctuations using a condenser microphone. Measurement of the velocity fluctuations reconfirms the coexistence of laminar and turbulent regions at a given cross section for a range of Reynolds numbers. The laminar region is concentrated closer to the apex while the turbulent region is found closer to the base. The point of transition is a function of the Reynolds number and moves closer to the apex as the flow rate is increased. Moreover, it was found in this investigation that traditional scaling of the turbulent statistical quantities do not hold good in this geometry. Although velocity fluctuations showed distinctive flow regimes, no such distinction could be seen in the dynamic wall pressure data. The nature of the dynamic wall pressure was uniform throughout the entire cross section suggesting that wall pressure fluctuations, unlike the velocity fluctuations, are able to travel from the base to the apex, without being damped. This implies that the relationship between the velocity and the pressure fluctuations applicable in the other systems does not hold well in a narrow apex angle isosceles triangular duct. Further, the typical scaling relationships applied to wall pressure spectra of other geometries doesn't apply in this scenario and the ratio of the RMS pressure fluctuation to the mean shear is much higher compared to a flat plate or pipe flow situation.
Book Synopsis An Experimental Investigation of Turbulent Flow in an Asymmetrically Roughened Duct Using a Laser Doppler Anemometer by : Richard E. Stakutis
Download or read book An Experimental Investigation of Turbulent Flow in an Asymmetrically Roughened Duct Using a Laser Doppler Anemometer written by Richard E. Stakutis and published by . This book was released on 1989 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experimental Investigation of Turbulent Flow Through Rectangular Ducts with Non-parallel Walls by : Sumnesh Mathur
Download or read book Experimental Investigation of Turbulent Flow Through Rectangular Ducts with Non-parallel Walls written by Sumnesh Mathur and published by . This book was released on 1973 with total page 430 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Characterisation of Turbulent Duct Flows by : Bayode Owolabi
Download or read book Characterisation of Turbulent Duct Flows written by Bayode Owolabi and published by Springer. This book was released on 2019-05-31 with total page 141 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents several new findings in the field of turbulent duct flows, which are important for a range of industrial applications. It presents both high-quality experiments and cutting-edge numerical simulations, providing a level of insight and rigour rarely found in PhD theses. The scientific advancements concern the effect of the Earth’s rotation on large duct flows, the experimental confirmation of marginal turbulence in a pressure-driven square duct flow (previously only predicted in simulations), the identification of similar marginal turbulence in wall-driven flows using simulations (for the first time by any means) and, on a separate but related topic, a comprehensive experimental study on the phenomenon of drag reduction via polymer additives in turbulent duct flows. In turn, the work on drag reduction resulted in a correlation that provides a quantitative prediction of drag reduction based on a single, measurable material property of the polymer solution, regardless of the flow geometry or concentration. The first correlation of its kind, it represents an important advancement from both a scientific and practical perspective.
Book Synopsis Experimental Investigation of Turbulent Heat Transfer in Straight and Curved Rectangular Ducts by :
Download or read book Experimental Investigation of Turbulent Heat Transfer in Straight and Curved Rectangular Ducts written by and published by . This book was released on 1983 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: An experimental investigation was conducted to examine the convective heat transfer in straight and curved ducts of rectangular cross-section. The experimental configuration was modeled as infinite parallel plates with one wall at a constant temperature and the opposite wall adiabatic. The experiments were conducted at steady state for turbulent flow. Average Nusselt numbers were used to compare the heat transfer characteristics of the straight and curved sections. The development of Taylor-Gortler vortices in the curved section was shown to enhance the heat transfer rate in the curved section as compared to that of the straight section by approximately 15 to 20 percent. Improved heat exchanger designs and improved cooling of turbine blades are two disciplines that could benefit from a better understanding of the effects of curvature on the rate of heat transfer. (Author).
Book Synopsis Experimental Investigation of Turbulent Heat Transfer in Straight and Curved Rectangular Ducts by : Joel L. Wilson
Download or read book Experimental Investigation of Turbulent Heat Transfer in Straight and Curved Rectangular Ducts written by Joel L. Wilson and published by . This book was released on 1984 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt: An experimental investigation has been conducted to examine the convective heat transfer in straight and curved ducts of rectangular cross section. The experimental configuration was modeled as infinite parallel plates with one wall at a constant heat flux and the opposite wall adiabatic. Experiments were conducted at steady state for turbulent flow using average Nusselt numbers to compare the heat transfer characteristics of the straight and curved sections. The development of Taylor-Gortler vortices in the curved section proved to enhance the heat transfer rate over that of the straight section. Improved heat exchanger and turbine blade design could both result from a better understanding of the effects of curvature on the rate of heat transfer. Originator-supplied keywords: Taylor-Gortler vortices, Heat transfer; Secondary flow; Rectangular curved channel; Rectangular straight channel; Temsheet; Joulean heating; and Turbulent flow.
Book Synopsis Experimental Investigation of a Three-dimensional Turbulent Boundary Layer in an "S"-shaped Duct by : Julius M. Bruns
Download or read book Experimental Investigation of a Three-dimensional Turbulent Boundary Layer in an "S"-shaped Duct written by Julius M. Bruns and published by . This book was released on 1998 with total page 255 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Experimental Investigation of Turbulent Velocity and Temperature Profiles in the Entrance Region of a Circular Duct by : Robert Lewis Cowardin
Download or read book An Experimental Investigation of Turbulent Velocity and Temperature Profiles in the Entrance Region of a Circular Duct written by Robert Lewis Cowardin and published by . This book was released on 1962 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Experimental Investigation Into The Two-dimensional Turbulent Flow In 90 Degree Duct Bends by : Donald Gillard
Download or read book An Experimental Investigation Into The Two-dimensional Turbulent Flow In 90 Degree Duct Bends written by Donald Gillard and published by . This book was released on 1965 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Experimental Investigation of Primary and Secondary Velocity for Turbulent Flow in Eccentric Annuli by : Paul Vinson Tebo
Download or read book An Experimental Investigation of Primary and Secondary Velocity for Turbulent Flow in Eccentric Annuli written by Paul Vinson Tebo and published by . This book was released on 1968 with total page 306 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Theoretical and Experimental Investigation of Two-phase Bubbly Turbulent Flow in a Curved Duct by : Edward Graf
Download or read book A Theoretical and Experimental Investigation of Two-phase Bubbly Turbulent Flow in a Curved Duct written by Edward Graf and published by . This book was released on 1996 with total page 686 pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation discusses some of the turbulence models employed here: an assumption that the turbulent viscosity of the dispersed phase equals that of the continuous phase; a two-phase modified k $-\varepsilon$ model used for both phases and another model with a variable turbulent Prandtl number (i.e., ratio of the turbulent viscosity of the distributed phase to that of the continuous phase) based on Tchen's theory (1947) of a particle in a turbulent stream.
Download or read book Applied Mechanics Reviews written by and published by . This book was released on 1972 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Paper written by and published by . This book was released on 1997 with total page 754 pages. Available in PDF, EPUB and Kindle. Book excerpt:
