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Thursday, May 7, 2020 | History

3 edition of Numerical study of the effects of icing on viscous flow over wings found in the catalog.

Numerical study of the effects of icing on viscous flow over wings

Numerical study of the effects of icing on viscous flow over wings

final report

  • 181 Want to read
  • 7 Currently reading

Published by The Center, National Technical Information Service, distributor in Cleveland, OH, [Springfield, Va .
Written in English

    Subjects:
  • Compressible flow.,
  • Computational fluid dynamics.,
  • Navier-Stokes equation.,
  • Unsteady flow.,
  • Viscous flow.,
  • Wings.

  • Edition Notes

    Statementsubmitted to NASA Lewis Research Center ; prepared by L.N. Sankar.
    SeriesNASA contractor report -- NASA CR-197102.
    ContributionsLewis Research Center.
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL15409221M

    Computational Aerodynamics with Icing Effects [Thomas N. Mouch] on *FREE* shipping on qualifying offers. Computational Aerodynamics with Icing Effects. The major focus of is on boundary layers, and boundary layer theory subject to various flow assumptions, such as compressibility, turbulence, dimensionality, and heat transfer. Parameters influencing aerodynamic flows and transition and influence of boundary layers on outer potential flow are presented, along with associated stall and drag mechanisms. Numerical solution .

    This book covers a wide area of topics, from fundamental theories to industrial applications. It serves as a useful reference for everyone interested in computational modeling of partial differential equations pertinent primarily to aeronautical applications. The . EXPERIMENTAL STUDY ON THE EFFECTS OF NOSE GEOMETRY ON DRAG OVER AXISYMMETRIC BODIES IN SUPERSONIC FLOW by B. TYLER BROOKER SEMIH M. OLCMEN, COMMITTEE CHAIR JOHN BAKER KEITH A. WILLIAMS A THESIS Submitted in partial fulfillment of the requirements for the degree of Master of Science in Aerospace File Size: 2MB.

    Characteristics of Viscous Fluids Flow Regime The level of force exerted due to viscous friction can be characterised by its viscosity coefficient. The absolute viscosity of a fluid can be expressed in centi-Poise (cP). The higher the value of absolute viscosity, the greater the frictional viscous forces on. 3A1 Incompressible Flow BOUNDARY LAYER THEORY1 Velocity distribution around an aerofoild. Air velocity 20 m/s, chord length mm, Re= Sparking tracing method. (Before ,) theoretical hydrodynamics was the study of phenomena which could be proved, but not observed, while hydraulics was the study of phenomena which could beFile Size: 1MB.


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Numerical study of the effects of icing on viscous flow over wings Download PDF EPUB FB2

J under the NASA Grant NAG titled "Numerical studiy of the effects of icing on viscous flow over wings". The work was carried out by Dr. Sankar, the principal investigator, with the assistance of two graduate research assistants, Mr.

Ashok Bangalore and Mr. Napporn Phaengsook. Another student. Get this from a library. Numerical study of the effects of icing on viscous flow over wings: final report. [L N Sankar; Lewis Research Center.]. Get this from a library. Numerical study of the effects of icing viscous flow over wings: semi-annual progress report for the period January 1 - J [L N Sankar; United States.

National Aeronautics and Space Administration.]. Numerical solutions of (23) carried out currently have shown that this property is also true for compressible flow.

It Solution of viscous transonic flow over wings SHAPE FACTOR R E 1 I(Z = HALF SPAN) LOCKHEED WING A. 2 Cited by: 1. Numerical Computation of Compressible and Viscous is written for those who want to calculate compressible and viscous flow past aerodynamic bodies.

As taught by Robert W. MacCormack at Stanford University, it allows readers to get started in /5(2). Numerical study of viscous gas flow The smoothing operator is introduced into the scheme at each time step in the same way as in [5]: (F= F^ + e AF HP and enables the problem to be solved with M as high as M = 2.

Here, F is the vector F = (p, u, v, e), AF* is the difference analogue of the Laplace operator, and 0^(^Author: V.I. Myshenkov. A Numerical Investigation of the Viscous 2-D Cavitating Flow over a Wall-Mounted Fence Article (PDF Available) January with 47 Reads How we measure 'reads'.

NUMERICAL AND EXPERIMENTAL STUDY OF A FLOW NUMERICAL AND EXPERIMENTAL STUDY OF A FLOW OVER STRAIGHT AND SWEPT HIGH-LIFT WINGS 3 OVER STRAIGHT AND SWEPT HIGH-LIFT WINGS moderate angles of attack = 10° in the calculations and spectra of tufts (Fig. 4) a flow separation on the flap is observed.

But at the high near-critical angle of. Viscous Effects in External Flows. In reality these flows are theoretical. we saw in the case of flow about a cylinder how viscosity alters the flow completely aft of the cylinder and its consequences. Any real flow in nature is viscous.

In fact, it is viscosity that makes the flow interesting and of course challenging to understand and. Viscous Flow. Ockendon, J. R By showing the basic theoretical framework which has developed as a result of the study of viscous flows, the book should be ideal reading for students of applied mathematics who should then be able to delve further into the subject and be well placed to exploit mathematical ideas throughout the whole of.

The purpose of this paper is to describe experiments and a numerical study of the inter-disc space effects on the mean and the turbulent characteristics of a Von Karman isotherm steady flow.

A STUDY ON VISCOUS FLOW (With A Special Focus On Boundary Layer And Its Effects) 1. A STUDY ON VISCOUS FLOW (With A Special Focus On Boundary Layer And Its Effects) COMPLETED BY RAJIBUL ALAM M.

Tech. (1st year) Roll NoAE60R03 2. Viscosity is an aspect of friction. Icing Aerodynamic Simulator. Wing stalls usually occur at slower airspeeds or following premature flap retraction. Tail stalls almost always occur with flap extension, or at the high speed limit for flap extension.

To better understand how flap position and aircraft speed interact with ice accretion to affect the airflow over the wing and tail surfaces, experiment with the Icing.

"A Flow Field Segmentation Method for the Numerical Solution of Viscous Flow Problems," Fourth International Conference on Numerical Methods in Fluid Dynamics, Springer Verlag, 2. Wu, J.C. and Sankar, L.N., "Explicit Finite Element Solution of the Viscous Flow Problem," International Conference on Finite Element Methods in Engineering.

If viscous effects are neglected and the tank is large, determine the flowrate from the tank shown in Fig. P Figure P Step-by-step solution%(74). Direct numerical simulations of the flow around wings with spanwise waviness - Volume - Douglas Serson, Julio R.

Meneghini, Spencer J. Sherwin Skip to main content Accessibility help We use cookies to distinguish you from other users Cited by: influence of viscous dissipation and work done by deformation on MHD flow and heat transfer of viscoelastic fluid over a stretching sheet.

Tsai et al. [10] have discussed unsteady flow over a stretching surface with non-uniform heat source. To study the two-phase flows, in which solid spherical particles are distributed in a fluid are of interestAuthor: Jadav Konch, G.

Hazarika. American Institute of Aeronautics and Astronautics Sunrise Valley Drive, Suite Reston, VA The characteristics of free-surface turbulence are investigated by experimental and numerical analysis of the viscous flow field around an advancing vertical circular cylinder piercing the free- surface.

The wave height and flow velocity are measured with a servo type wave height meter and a hot-film anemometer respectively. The fly of wing-in-ground effect (WIG) crafts can be affected by ground boundary layers.

In this study, the effect of ground viscous on aerodynamic coefficients of a compound wing of WIG craft was numerically investigated. Computational fluid dynamics (CFD) was used for numerical study. The simulations were done respect to different ground clearance and Reynolds by: 1. Viscous Flow in Ducts We want to study the viscous flow in ducts with various velocities, fluids and duct shapes.

The basic problem is this: Given the pipe geometry and its added components (e.g. fittings, valves, bends, andFile Size: KB. This paper attempts to investigate the effects of fluid viscosity on cavitation generation. Different from the traditional cavitation models in which the Rayleigh–Plesset equation is simplified neglecting the second-order term and the surface tension force term, the primitive R–P equations with different dynamic viscosity values are solved by mathematical software Author: Guo-Dong Li, Song-Sheng Deng, Jin-Fa Guan.Viscous Three-Dimensional Simulation of Flow in an Axial Low Pressure Compressor at Engine Icing Operating Points David L.

Rigby1 Vantage Partners Limited, Cleveland, OH, Ali A. Ameri2 The Ohio State University, Columbus, OH and Joe Veres3 and Philip C.E. Jorgenson4 NASA Glenn Research Center, Cleveland, OH, Abstract.