Prediction of Laminar-to-turbulent Boundary Layer Transition in Axial-flow Turbomachinery PDF Download
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Author: Charles E. Kluck
Publisher:
ISBN:
Category : Axial flow
Languages : en
Pages : 73
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Book Description
This paper first reviews current analytical studies regarding the laminar-to-turbulent boundary layer transition process, including relevant analysis of laminar separation, and then covers analytical and experimental studies concerning parametric effects on transition pertinent to axial-flow turbomachine blade rows. These include the effects of pressure gradient, freestream turbulence, surface roughness, heat transfer, and combined effects. Finally, the work of various authors who have established data correlations for transition on axial-flow turbomachine blade rows is evaluated. Their predictive equations and charts have been presented as a reference guide for determining the transition region on blades. Additionally, equations for calculating transitional boundary layer growth are presented. (Author).
Author: Charles E. Kluck
Publisher:
ISBN:
Category : Axial flow
Languages : en
Pages : 73
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Book Description
This paper first reviews current analytical studies regarding the laminar-to-turbulent boundary layer transition process, including relevant analysis of laminar separation, and then covers analytical and experimental studies concerning parametric effects on transition pertinent to axial-flow turbomachine blade rows. These include the effects of pressure gradient, freestream turbulence, surface roughness, heat transfer, and combined effects. Finally, the work of various authors who have established data correlations for transition on axial-flow turbomachine blade rows is evaluated. Their predictive equations and charts have been presented as a reference guide for determining the transition region on blades. Additionally, equations for calculating transitional boundary layer growth are presented. (Author).
Author: Meinhard T. Schobeiri
Publisher: Springer Science & Business Media
ISBN: 3642246753
Category : Technology & Engineering
Languages : en
Pages : 738
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Book Description
With this second revised and extended edition, the readers have a solid source of information for designing state-of-the art turbomachinery components and systems at hand. Based on fundamental principles of turbomachinery thermo-fluid mechanics, numerous CFD based calculation methods are being developed to simulate the complex 3-dimensional, highly unsteady turbulent flow within turbine or compressor stages. The objective of this book is to present the fundamental principles of turbomachinery fluid-thermodynamic design process of turbine and compressor components, power generation and aircraft gas turbines in a unified and compact manner. The book provides senior undergraduate students, graduate students and engineers in the turbomachinery industry with a solid background of turbomachinery flow physics and performance fundamentals that are essential for understanding turbomachinery performance and flow complexes. While maintaining the unifying character of the book structure in this second revised and extended edition all chapters have undergone a rigorous update and enhancement. Accounting for the need of the turbomachinery community, three chapters have been added, that deal with computationally relevant aspects of turbomachinery design such as boundary layer transition, turbulence and boundary layer.
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 892
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 32
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Book Description
Author: Paul S. Granville
Publisher:
ISBN:
Category : Turbulent boundary layer
Languages : en
Pages : 34
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Book Description
Existing methods for predicting transition from laminar to turbulent flow in boundary layers on smooth bodies of revolution immersed in axisymmetric flows with very low background turbulence are examined critically. Several are compared to available experimental results. A new correlation is then proposed which incorporates not only the usual effect of pressure gradients but also the effect of axisymmetric spreading of the boundary layer on the location of transition. (Author).
Author: Meinhard T. Schobeiri
Publisher: Springer Science & Business Media
ISBN: 3540265910
Category : Technology & Engineering
Languages : en
Pages : 535
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Book Description
Over the past three decades turbomachines experienced a steep increase in efficiency and performance. Based on fundamental principles of turbomachinery thermo-fluid mechanics, numerous CFD based calculation methods are being developed to simulate the complex 3-dimensional, highly unsteady turbulent flow within turbine or compressor stages. The objective of this book is to present the fundamental principals of turbomachinery fluid-thermodynamic design process of turbine and compressor components, power generation and aircraft gas turbines in a unified and compact manner. The book provides senior undergraduate students, graduate students and engineers in the turbomachinery industry with a solid background of turbomachinery flow physics and performance fundamentals that are essential for understanding turbomachinery performance and flow complexes.
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 310
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Book Description
Author:
Publisher:
ISBN:
Category : Combustion
Languages : en
Pages : 238
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Book Description
Author:
Publisher:
ISBN:
Category : Airplanes
Languages : en
Pages : 378
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Book Description
Author: Earl Logan, Jr.
Publisher: CRC Press
ISBN: 0824748476
Category : Technology & Engineering
Languages : en
Pages : 829
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Book Description
Building on the success of its predecessor, Handbook of Turbomachinery, Second Edition presents new material on advances in fluid mechanics of turbomachinery, high-speed, rotating, and transient experiments, cooling challenges for constantly increasing gas temperatures, advanced experimental heat transfer and cooling effectiveness techniques, and propagation of wake and pressure disturbances. Completely revised and updated, it offers updated chapters on compressor design, rotor dynamics, and hydraulic turbines and features six new chapters on topics such as aerodynamic instability, flutter prediction, blade modeling in steam turbines, multidisciplinary design optimization.
