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Viscous Inviscid Interaction In Transonic Flow
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Book Synopsis Viscous-inviscid Interaction in Transonic Flow by : Laurence Byron Wigton
Download or read book Viscous-inviscid Interaction in Transonic Flow written by Laurence Byron Wigton and published by . This book was released on 1981 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt: The aim of this thesis is to couple an inviscid two dimensional steady transonic flow calculation with a boundary layer calculation. This interaction is especially important in transonic problems since the boundary layer has a significant effect on the inviscid portion of the flow. Here, the inviscid solution is obtained by an algorithm developed for the full potential equation by Holst and Ballhaus while the attached and separated turbulent boundary layer calculations are performed by Green's lag entrainment method. Guided by a model problem suggested by Le Balleur, a viscous-inviscid coupling algorithm is developed. Theoretical analysis indicates that it coverages rapidly for attached flows ad also performs well for separated flows. These conclusions are confirmed through a series of challenging transonic calculations involving both attached and separated flows. The coupling algorithm is remarkably stable and allows computation of coupled viscous-inviscid flows within times required to perform the inviscid calculations by themselves. (Author).
Book Synopsis Calculation of Unsteady Transonic Flows with Mild Separation by Viscous-inviscid Interaction by : James T. Howlett
Download or read book Calculation of Unsteady Transonic Flows with Mild Separation by Viscous-inviscid Interaction written by James T. Howlett and published by . This book was released on 1992 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781723187162 Total Pages :128 pages Book Rating :4.1/5 (871 download)
Book Synopsis Investigation of Viscous/Inviscid Interaction in Transonic Flow Over Airfoils with Suction by : National Aeronautics and Space Administration (NASA)
Download or read book Investigation of Viscous/Inviscid Interaction in Transonic Flow Over Airfoils with Suction written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-18 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt: The viscous/inviscid interaction over transonic airfoils with and without suction is studied. The streamline angle at the edge of the boundary layer is used to couple the viscous and inviscid flows. The potential flow equations are solved for the inviscid flow field. In the shock region, the Euler equations are solved using the method of integral relations. For this, the potential flow solution is used as the initial and boundary conditions. An integral method is used to solve the laminar boundary-layer equations. Since both methods are integral methods, a continuous interaction is allowed between the outer inviscid flow region and the inner viscous flow region. To avoid the Goldstein singularity near the separation point the laminar boundary-layer equations are derived in an inverse form to obtain solution for the flows with small separations. The displacement thickness distribution is specified instead of the usual pressure distribution to solve the boundry-layer equations. The Euler equations are solved for the inviscid flow using the finite volume technique and the coupling is achieved by a surface transpiration model. A method is developed to apply a minimum amount of suction that is required to have an attached flow on the airfoil. The turbulent boundary layer equations are derived using the bi-logarithmic wall law for mass transfer. The results are found to be in good agreement with available experimental data and with the results of other computational methods. Vemuru, C. S. and Tiwari, S. N. Unspecified Center AIRFOILS; BOUNDARY VALUE PROBLEMS; FINITE VOLUME METHOD; SUCTION; TRANSONIC FLOW; BOUNDARY CONDITIONS; FLOW DISTRIBUTION; FLOW VELOCITY; INVISCID FLOW; LAMINAR BOUNDARY LAYER; TURBULENT BOUNDARY LAYER; VISCOUS FLOW...
Book Synopsis Calculation of Unsteady Transonic Flows with Mild Separation by Viscous-inviscid Interaction by : James T. Howlett
Download or read book Calculation of Unsteady Transonic Flows with Mild Separation by Viscous-inviscid Interaction written by James T. Howlett and published by . This book was released on 1992 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Viscous-inviscid Interaction in a Transonic Flow Caused by a Discontinuity in Wall Curvature by : Dimitry Yumashev
Download or read book Viscous-inviscid Interaction in a Transonic Flow Caused by a Discontinuity in Wall Curvature written by Dimitry Yumashev and published by . This book was released on 2010 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Investigation of Viscous/inviscid Interaction in Transonic Flow Over Airfoils with Suction by : Chandra S. Vemuru
Download or read book Investigation of Viscous/inviscid Interaction in Transonic Flow Over Airfoils with Suction written by Chandra S. Vemuru and published by . This book was released on 1986 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Viscous-inviscid Interaction in a Transonic Flow Caused by a Discontinuity in Wall Curvature by : Dimitry Yumashev
Download or read book Viscous-inviscid Interaction in a Transonic Flow Caused by a Discontinuity in Wall Curvature written by Dimitry Yumashev and published by . This book was released on 2010 with total page 215 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Calculation of Unsteady Transonic Flows with Mild Separation by Viscous-Inviscid Interaction by : National Aeronautics and Space Adm Nasa
Download or read book Calculation of Unsteady Transonic Flows with Mild Separation by Viscous-Inviscid Interaction written by National Aeronautics and Space Adm Nasa and published by . This book was released on 2018-11 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper presents a method for calculating viscous effects in two- and three-dimensional unsteady transonic flow fields. An integral boundary-layer method for turbulent viscous flow is coupled with the transonic small-disturbance potential equation in a quasi-steady manner. The viscous effects are modeled with Green's lag-entrainment equations for attached flow and an inverse boundary-layer method for flows that involve mild separation. The boundary-layer method is used stripwise to approximate three-dimensional effects. Applications are given for two-dimensional airfoils, aileron buzz, and a wing planform. Comparisons with inviscid calculations, other viscous calculation methods, and experimental data are presented. The results demonstrate that the present technique can economically and accurately calculate unsteady transonic flow fields that have viscous-inviscid interactions with mild flow separation. Howlett, James T. Langley Research Center RTOP 509-10-02-03...
Book Synopsis Viscous-inviscid Interaction in a Transonic Flow Caused by a Dicontinuity in Wall Curvature by : Dimitry Yumashev
Download or read book Viscous-inviscid Interaction in a Transonic Flow Caused by a Dicontinuity in Wall Curvature written by Dimitry Yumashev and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Unsteady Viscous-inviscid Interaction Procedures for Transonic Airfoil Flows by : Tracy Donegan
Download or read book Unsteady Viscous-inviscid Interaction Procedures for Transonic Airfoil Flows written by Tracy Donegan and published by . This book was released on 1984 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Analysis of Transonic Viscous/inviscid Interactions on Axisymmetric Bodies with Solid Strings Or Real Plumes by : Steven F. Yaros
Download or read book An Analysis of Transonic Viscous/inviscid Interactions on Axisymmetric Bodies with Solid Strings Or Real Plumes written by Steven F. Yaros and published by . This book was released on 1978 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Transonic Potential Flows with Viscous/inviscid Interactions by : Ing-Jer Chiou
Download or read book Transonic Potential Flows with Viscous/inviscid Interactions written by Ing-Jer Chiou and published by . This book was released on 1993 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Viscous-inviscid Interaction Procedure for Subsonic and Transonic Flows Using Second Order Boundary Layer by : Abraham Tassa
Download or read book Viscous-inviscid Interaction Procedure for Subsonic and Transonic Flows Using Second Order Boundary Layer written by Abraham Tassa and published by . This book was released on 1980 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Fast and Robust Viscous-inviscid Ineraction Solver for Transonic Flow about Wing/body Configurations on the Basis of Full Potential Theory by : Adriaan Jan Wees
Download or read book A Fast and Robust Viscous-inviscid Ineraction Solver for Transonic Flow about Wing/body Configurations on the Basis of Full Potential Theory written by Adriaan Jan Wees and published by . This book was released on 1994 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Improved Viscid/inviscid Interaction Procedure for Transonic Flow Over Airfoils by : R. E. Melnik
Download or read book An Improved Viscid/inviscid Interaction Procedure for Transonic Flow Over Airfoils written by R. E. Melnik and published by . This book was released on 1985 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Simulation of Transonic Separated Airfoil Flow by Finite Difference Viscous-inviscid Interaction by :
Download or read book Simulation of Transonic Separated Airfoil Flow by Finite Difference Viscous-inviscid Interaction written by and published by . This book was released on 1984 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Viscous-inviscid interaction in transonic separated flow over solid and porous airfoils and cascades by : Charles Randolph Olling
Download or read book Viscous-inviscid interaction in transonic separated flow over solid and porous airfoils and cascades written by Charles Randolph Olling and published by . This book was released on 1985 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt:
