Secondary Instabilities of Görtler Vortices in High-Speed Boundary Layers: Mechanisms and Flow Control on Laminar-Turbulent Transition

Author:   Jie Ren
Publisher:   Springer Verlag, Singapore
Edition:   1st ed. 2018
ISBN:  

9789811068317


Pages:   94
Publication Date:   08 November 2017
Format:   Hardback
Availability:   Manufactured on demand   Availability explained
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Secondary Instabilities of Görtler Vortices in High-Speed Boundary Layers: Mechanisms and Flow Control on Laminar-Turbulent Transition


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Overview

This thesis first reveals the mechanism of Görtler instabilities and then demonstrates how transitions at hypersonic flows can be effectively controlled (either promoted or suppressed) with Görtler or Klebanoff modes. It focuses on understanding and controlling flow transitions from mild laminar to fully turbulent flows at high speeds—aspects that have become crucial at the dawn of an incredible era, in which hypersonic vehicles are becoming available. Once this occurs, it will be possible to travel from Beijing to Los Angeles within just 2 hours, and we will all live in a genuinely global village—and not just virtually, but physically. Görtler instabilities have often been used to promote flow transition in hypersonic vehicles. However, how Görtler instabilities are excited and how they evolve in hypersonic flows are questions that have yet to be answered.

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Author:   Jie Ren
Publisher:   Springer Verlag, Singapore
Imprint:   Springer Verlag, Singapore
Edition:   1st ed. 2018
Weight:   0.454kg
ISBN:  

9789811068317


ISBN 10:   9811068313
Pages:   94
Publication Date:   08 November 2017
Audience:   College/higher education ,  Undergraduate
Format:   Hardback
Publisher's Status:   Active
Availability:   Manufactured on demand   Availability explained
We will order this item for you from a manufactured on demand supplier.

Table of Contents

Introduction.- Methodology.- Linear instability.- Secondary instability.- Stabilization of the hypersonic boundary layer.- Conclusions and outlook.- Appendix A

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