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Wednesday, July 29, 2020 | History

2 edition of Instabilities of flows and transition to turbulence found in the catalog.

Instabilities of flows and transition to turbulence

Tapan Kumar Sengupta

Instabilities of flows and transition to turbulence

by Tapan Kumar Sengupta

  • 167 Want to read
  • 5 Currently reading

Published by Taylor & Francis in Boca Raton, FL .
Written in English

    Subjects:
  • Stability,
  • Turbulence,
  • SCIENCE / Physics,
  • Transition flow,
  • TECHNOLOGY & ENGINEERING / Mechanical

  • Edition Notes

    Includes bibliographical references and index.

    StatementTapan K. Sengupta
    Classifications
    LC ClassificationsTA357.5.T87 S46 2012
    The Physical Object
    Paginationp. cm.
    ID Numbers
    Open LibraryOL25246756M
    ISBN 109781439879443
    LC Control Number2012005268

      On the laminar–turbulent transition of the rotating-disk flow: the role of absolute instability. Complex demodulation applied to the transition to turbulence of the flow over a rotating disk. Physics of Fluids A: Fluid Dynamics, Vol. 4, No. 11 Instabilities and transition in the wall boundary layers of low-disturbance supersonic nozzles.   Instability and Transition of Fluid Flows by Prof. Tapan K. Sengupta, Department of Aerospace Engineering, IIT Kanpur. For more details on NPTEL visit http:/.

    This paper is an pedagogical essay on the scenario of the instabilities and the transition to turbulence in visco-elastic polymer flows. When polymers are long, they get easily stretched by the shear present in flows, and the viscosity of the solution or melt is large. As a result, inertial effects are usually negligible as the Reynolds numbers are small but the fluid is strongly nonNewtonian. Instabilities of Flows and Transition to Turbulence, Tapan K. Sengupta, CRC Press, This new book covers a wide range of incompressible topics. It seems to .

      Gravity currents are predominantly horizontal flows driven by the density difference between the current’s fluid and the ambient fluid above. The two well-established flow regimes are the supercritical and subcritical regimes. We report on the existence of an intermediate transcritical regime where the flow along the interface undergoes a cyclical transition between quiescent and highly. Introduction The problems of understanding the origins of turbulent flow and transition to turbulent flow are the most important unsolved problems of fluid mechanics and aerodynamics. There is no dearth of applications for information regarding transition location and the details of the subsequent turbulent flow. A few examples can be given here.


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Instabilities of flows and transition to turbulence by Tapan Kumar Sengupta Download PDF EPUB FB2

Addressing classical material as well as new perspectives, Instabilities of Flows and Transition to Turbulence presents a concise, up-to-date treatment of theory and applications of viscous flow instability.

It covers materials from classical instability to contemporary research areas including bluff body flow instability, mixed convection flows, and application areas of aerospace and Cited by: Book Description.

Addressing classical material as well as new perspectives, Instabilities of Flows and Transition to Turbulence presents a concise, up-to-date treatment of theory and applications of viscous flow instability. It covers materials from classical instability to contemporary research areas including bluff body flow instability, mixed convection flows, and application areas of aerospace and other.

Addressing classical material as well as new perspectives, Instabilities of Flows and Transition to Turbulence presents a concise, up-to-date treatment of theory and applications of viscous flow instability. It covers materials from classical instability to contemporary research areas including bluff body flow instability, mixed convection flows, by: Instabilities Of Flows And Transition To Turbulence by Tapan K.

Sengupta / / English / PDF Read Online MB Download Addressing classical material as well as new perspectives, Instabilities of Flows and Transition to Turbulence presents a concise, up-to-date treatment of theory and applications of viscous flow instability.

In book: Engineering Fluid Mechanics [Working Title] turbulent flow which is seen to be fuller and thus less susceptible to backflow. Fluid Instabilities and Transition to : Michael S. Roberts. The first two sections focus on instabilities and transition in sub­ sonic and supersonic flows, respectively.

The third section deals with developing turbulence, while the the final section treats related prob­ lems in engineering fluid mechanics. STABILITY OF LAMINAR FLOWS AND TRANSITION TO TURBULENCE Vladan D. Djordjevi´c Introduction Due to their great theoretical and practical importance the problems of hydro-dynamic stability theory have occupied the attention of scientists involved in fluid mechanics research for almost hundred years.

Since the basic task of the hydro. instabilities of flows and transition to turbulence By C. Lewis FILE ID 2a Freemium Media Library from regular or laminar to irregular or turbulent as the control parameter usually the reynolds number re is increased turbulence is characterized by highly enhanced transfers of.

Essentially, a description of these flows must encompass both the temporal and spatial evolution of the flows from their inception. Hydrodynamic instability will usually start from potentially infinitesimal spatial perturbations, will eventually transition to a turbulent flow, and then will reach a final state of a true multiscale problem.

In this sense, the flow instability which causes the flow rate transition with a relatively long period, i.e., order of the residence time of working fluid in a system, is the most important phenomenon. It is because these flow instabilities may affect the actual system as follows: 1.

mechanical vibration of the system; 2. Also available as Open Access on Cambridge Core. Reviews. 'Written with impressive clarity, this new textbook covers all the key types of geophysical instability and provides a window to more advanced topics such as transient optimal growth and transition to turbulence.

This chapter discusses the subcritical transition to turbulence in planar shear flows. The inviscid nature of the instability discussed may probably suggest an explanation based on the instability of instantaneously inflectional velocity profiles created by the two - dimensional eddy motions.

Buy Physics of Transitional Shear Flows: Instability and Laminar-Turbulent Transition in Incompressible Near-Wall Shear Layers by Boiko, Andrey V., Dovgal, Alexander V., Grek, Genrih R., Kozlov, Victor V.

online on at best prices. Fast and free shipping free returns cash on delivery available on eligible : Andrey V. Boiko, Alexander V. Dovgal, Genrih R. Grek. Instabilities of flows and transition to turbulence. [Tapan Kumar Sengupta] -- "This book covers material ranging from classical hydrodynamic instability to contemporary research areas, including bluff body flow instability and mixed convection flows.

Instabilities Of Flows And Transition To Turbulence Download Instabilities Of Flows And Transition To Turbulence Addressing classical material as well as new perspectives, Instabilities of Flows and Transition to Turbulence presents a concise, up-to-date treatment of theory and applications of viscous flow instability.

Flow Instabilities and Transition 9 understood by the mids that the instability of flow is only one element of the laminar–turbulent transition scenario. This book contains contributions by colleagues, former students and friends of Professor Eli Reshotko in celebration of his 60th birth day.

Since Professor Reshotko's scientific and engineering contribu tions have been in the areas of hydrodynamic stability, transition to turbulence, and boundary layer flows, it is only appropriate that the articles in this volume be devoted to these and.

Get this from a library. Instabilities of Flows and Transition to Turbulence. [Tapan K Sengupta] -- Introduction to Instability and TransitionIntroductionWhat Is Instability?Temporal and Spatial InstabilitySome Instability MechanismsComputing Transitional and Turbulent FlowsFluid Dynamical.

Discover Hydrodynamic Instabilities and the Transition to Turbulence by F.H. Busse and millions of other books available at Barnes & Noble. Shop paperbacks, eBooks, and more. Our Stores Are Open Book Annex Membership Educators Gift Cards Stores & Events HelpPages: We present a novel method for the determination of N-factors in cross-flow transition method considers numerical simulations, in which a turbulent model is applied downstream from a predetermined point and solves a laminar flow upstream from this point.

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.In Osborne Reynolds demonstrated the transition to turbulent flow in a classic experiment in which he examined the behaviour of water flow under different flow rates using a small jet of dyed water introduced into the centre of flow in a larger pipe.

The larger pipe was glass, so the behaviour of the layer of dyed flow could be observed, and at the end of this pipe was a flow-control.Cite this chapter as: Maslowe S.A. () Shear flow instabilities and transition.

In: Swinney H.L., Gollub J.P. (eds) Hydrodynamic Instabilities and the Transition to Turbulence.