Author: D. E. GuittonPublisher: 1970 [c1974]
ISBN:
Category : Jets
Languages : en
Pages : 826
Book Description
Some Contributions to the Study of Equilibrium and Non-equilibrium Turbulent Wall Jets Over Curved Surfaces
Author: D. E. GuittonPublisher: 1970 [c1974]
ISBN:
Category : Jets
Languages : en
Pages : 826
Book Description
Turbulent Flows
Author: Jean PiquetPublisher: Springer Science & Business Media
ISBN: 3662035596
Category : Technology & Engineering
Languages : en
Pages : 767
Book Description
obtained are still severely limited to low Reynolds numbers (about only one decade better than direct numerical simulations), and the interpretation of such calculations for complex, curved geometries is still unclear. It is evident that a lot of work (and a very significant increase in available computing power) is required before such methods can be adopted in daily's engineering practice. I hope to l"Cport on all these topics in a near future. The book is divided into six chapters, each· chapter in subchapters, sections and subsections. The first part is introduced by Chapter 1 which summarizes the equations of fluid mechanies, it is developed in C~apters 2 to 4 devoted to the construction of turbulence models. What has been called "engineering methods" is considered in Chapter 2 where the Reynolds averaged equations al"C established and the closure problem studied (§1-3). A first detailed study of homogeneous turbulent flows follows (§4). It includes a review of available experimental data and their modeling. The eddy viscosity concept is analyzed in §5 with the l"Csulting ~alar-transport equation models such as the famous K-e model. Reynolds stl"Css models (Chapter 4) require a preliminary consideration of two-point turbulence concepts which are developed in Chapter 3 devoted to homogeneous turbulence. We review the two-point moments of velocity fields and their spectral transforms (§ 1), their general dynamics (§2) with the particular case of homogeneous, isotropie turbulence (§3) whel"C the so-called Kolmogorov's assumptions are discussed at length.
The Control of Separation from Curved Surfaces and Blunt Trailing Edges
Author: Israel Jerzy WygnanskiPublisher:
ISBN:
Category : Trailing edges (Aerodynamics)
Languages : en
Pages : 50
Book Description
Paper
Author: Publisher:
ISBN:
Category : Mechanical engineering
Languages : en
Pages : 578
Book Description
Effects of Streamline Curvature on Turbulent Flow
Author: Peter BradshawPublisher:
ISBN:
Category : Boundary layer
Languages : en
Pages : 146
Book Description
Streamline curvature in the plane of the mean shear produces large changes in the turbulence structure of shear layers, usually an order of magnitude more important than normal pressure gradients and other terms in the mean-motion equations for curved flows. The effects on momentum and heat transfer in boundary layers are noticeable on typical wing sections and are very important on highly-cambered turbomachine blades: turbulence may be nearly eliminated on highly-convex surfaces, while on highly-concave surfaces momentum transfer by quasi-steady longitudinal vortices dominates the ordinary turbulence processes. The greatly enhanced mixing rates of swirling jets and the characteristic non-turbulent cores of trailing vortices are also consequences of the effects of streamline curvature on the turbulence structure. A progress report, comprises a review of current knowledge, a discussion of methods of predicting curvature effects, and a presentation of principles for the guidance of future workers.
Investigation of Blown Boundary Layers with an Improved Wall Jet System
Author: K. R. SaripalliPublisher:
ISBN:
Category : Aerofoils
Languages : en
Pages : 324
Book Description
Jets and Cavities
Author: American Society of Mechanical Engineers. Winter Annual MeetingPublisher:
ISBN:
Category : Cavitation
Languages : en
Pages : 242
Book Description
ASME Technical Papers
Author: Publisher:
ISBN:
Category : Mechanical engineering
Languages : en
Pages : 812
Book Description
Author: 
Author: