'Boundary layer thickness' diaporamas de présentation

KULIAH X

KULIAH X. EXTERNAL INCOMPRESSIBLE VISCOUS FLOW Nazaruddin Sinaga. Main Topics. The Boundary-Layer Concept Boundary-Layer Thickness Laminar Flat-Plate Boundary Layer: Exact Solution Momentum Integral Equation Use of the Momentum Equation for Flow with Zero Pressure Gradient

2.04k views • 91 slides

CHAPTER 5 Principles of Convection

CHAPTER 5 Principles of Convection. 5-1 INTRODUCTION. 5-2 VISCOUS FLOW. Shear stress:. boundary layer : the region of flow that develops from the leading edge of a plate in which the effects of the viscosity are observed.

765 views • 45 slides

LECTURE 9

CEE 598, GEOL 593 TURBIDITY CURRENTS: MORPHODYNAMICS AND DEPOSITS. LECTURE 9 A WHIRLWIND SKETCH OF THE DERIVATION OF THE 1D LAYER-AVERAGED EQUATIONS OF TURBIDITY CURRENT FLOW DYNAMICS. The details of the derivation can be found in Parker et al. (1986).

464 views • 37 slides

Lecture 13 - Heat Transfer Applied Computational Fluid Dynamics

1.01k views • 35 slides

Multi displinary Problems in Mass & Heat Transfer

Multi displinary Problems in Mass & Heat Transfer. Prepared by: Bashar Qawasmeh& Ghaida Abu-Rumman. Introduction. Typical design problems involve the determination of: Overall heat transfer coefficient, e.g. for a car radiator.

990 views • 35 slides

Observations and Models of Boundary-Layer Processes Over Complex Terrain

Observations and Models of Boundary-Layer Processes Over Complex Terrain. What is the planetary boundary layer (PBL)? What are the effects of irregular terrain on the basic PBL structure? How do we observe the PBL over complex terrain? What do models tell us?

442 views • 29 slides

Boundary Layer Theory

Boundary Layer Theory. Steven A. Jones BIEN 501 Friday, April 11 2008. Momentum Balance. Learning Objectives: State the motivation for curvilinear coordinates. State the meanings of terms in the Transport Theorem

452 views • 26 slides

HEAT TRANSFER

830 views • 25 slides

Turbulent Boundary Layer

Turbulent Boundary Layer. Aerodynamics and Aeroelasticity Compressible Boundary layer.

266 views • 25 slides

UNSTEADY VISCOUS FLOW

UNSTEADY VISCOUS FLOW. Assume linear, horizontal motion. Viscous effects confined to within some finite area near the boundary ? boundary layer. In unsteady viscous flows at low Re the boundary layer thickness ? grows with time; but in periodic flows, it remains constant.

477 views • 19 slides

UNSTEADY VISCOUS FLOW

UNSTEADY VISCOUS FLOW. Viscous effects confined to within some finite area near the boundary ? boundary layer. In unsteady viscous flows at low Re the boundary layer thickness ? grows with time; but in periodic flows, it remains constant.

434 views • 19 slides

Effect of Pressure Gradient on the flow in a Boundary Layer

Effect of Pressure Gradient on the flow in a Boundary Layer. x. z. Boundary layer equation:. Pressure gradient is found from velocity field. Effect of Pressure Gradient on the flow in a Boundary Layer. x. z. At the wall, the boundary layer equation becomes:.

454 views • 16 slides

Lecture #17 Boundary Layer Measurements

Lecture #17 Boundary Layer Measurements. d Boundary layer Thickness d * Displacement Thickness q Momentum Thickness. Objectives of this Lab. To obtain a better understanding of the characteristics of a boundary layer over an airfoil.

835 views • 16 slides

WHAT IS A BOUNDARY LAYER ?

WHAT IS A BOUNDARY LAYER ?. A boundary layer is a layer of flowing fluid near a boundary where viscosity keeps the flow velocity close to that of the boundary.

1.69k views • 15 slides

Boundary Layer on a Flat Plate: Blasius Solution

1.37k views • 14 slides

MECH 221 FLUID MECHANICS (Fall 06/07) Tutorial 9

MECH 221 FLUID MECHANICS (Fall 06/07) Tutorial 9. Example 1.

302 views • 14 slides

Boundary Layer on a Flat Plate: Blasius Solution

175 views • 14 slides

BOUNDARY LAYERS

BOUNDARY LAYERS. Boundary Layer Approximation. Viscous effects confined to within some finite area near the boundary ? boundary layer. In unsteady viscous flows at low Re (impulsively started plate) the boundary layer thickness ? grows with time. In periodic flows, it remains constant.

512 views • 12 slides

Governing Equations in Differential Form

Governing Equations in Differential Form. Take the limit such that the control volume approach to infinitesimal small: consequently, all fluid properties within the volume can be considered constant.

183 views • 5 slides

Governing Equations in Differential Form

Governing Equations in Differential Form. Take the limit such that the control volume approach to infinitesimal small: consequently, all fluid properties within the volume can be considered constant.

215 views • 5 slides