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Reactive Control of Turbulent Wall-Bounded Flows for Skin Friction Drag Reduction

Reactive Control of Turbulent Wall-Bounded Flows for Skin Friction Drag Reduction PDF Author: Stroh, Alexander
Publisher: KIT Scientific Publishing
ISBN: 3731507668
Category : Friction
Languages : en
Pages : 214

Book Description
The work presents an attempt to improve the understanding of reactive drag reducing control of near-wall turbulence with respect to limitations present in a realistic application scenario. The reference reactive control scheme of opposition control is studied using direct numerical simulation through the consideration of various application oriented restrictions, i.e. local control application, limited spatial and temporal resolution of the scheme, sensor noise and control elements arrangement.

Reactive Control of Turbulent Wall-Bounded Flows for Skin Friction Drag Reduction

Reactive Control of Turbulent Wall-Bounded Flows for Skin Friction Drag Reduction PDF Author: Stroh, Alexander
Publisher: KIT Scientific Publishing
ISBN: 3731507668
Category : Friction
Languages : en
Pages : 214

Book Description
The work presents an attempt to improve the understanding of reactive drag reducing control of near-wall turbulence with respect to limitations present in a realistic application scenario. The reference reactive control scheme of opposition control is studied using direct numerical simulation through the consideration of various application oriented restrictions, i.e. local control application, limited spatial and temporal resolution of the scheme, sensor noise and control elements arrangement.

Reactive Control of Turbulent Wall-Bounded Flows for Skin Friction Drag Reduction

Reactive Control of Turbulent Wall-Bounded Flows for Skin Friction Drag Reduction PDF Author: Alexander Stroh
Publisher: Saint Philip Street Press
ISBN: 9781013278679
Category :
Languages : en
Pages : 212

Book Description
The work presents an attempt to improve the understanding of reactive drag reducing control of near-wall turbulence with respect to limitations present in a realistic application scenario. The reference reactive control scheme of opposition control is studied using direct numerical simulation through the consideration of various application oriented restrictions, i.e. local control application, limited spatial and temporal resolution of the scheme, sensor noise and control elements arrangement. This work was published by Saint Philip Street Press pursuant to a Creative Commons license permitting commercial use. All rights not granted by the work's license are retained by the author or authors.

The MEMS Handbook

The MEMS Handbook PDF Author: Mohamed Gad-el-Hak
Publisher: CRC Press
ISBN: 9781420050905
Category : Technology & Engineering
Languages : en
Pages : 1386

Book Description
The revolution is well underway. Our understanding and utilization of microelectromechanical systems (MEMS) are growing at an explosive rate with a worldwide market approaching billions of dollars. In time, microdevices will fill the niches of our lives as pervasively as electronics do right now. But if these miniature devices are to fulfill their mammoth potential, today's engineers need a thorough grounding in the underlying physics, modeling techniques, fabrication methods, and materials of MEMS. The MEMS Handbook delivers all of this and more. Its team of authors-unsurpassed in their experience and standing in the scientific community- explore various aspects of MEMS: their design, fabrication, and applications as well as the physical modeling of their operations. Designed for maximum readability without compromising rigor, it provides a current and essential overview of this fledgling discipline.

Numerical Study on the Propagation of Turbulent Fronts in Dilute Polymer Solutions

Numerical Study on the Propagation of Turbulent Fronts in Dilute Polymer Solutions PDF Author: Cocconi, Giacomo
Publisher: KIT Scientific Publishing
ISBN: 373150829X
Category : Science
Languages : en
Pages : 136

Book Description


Transition and Turbulence Control

Transition and Turbulence Control PDF Author: Mohamed Gad-el-Hak
Publisher: World Scientific
ISBN: 9812700897
Category : Science
Languages : en
Pages : 445

Book Description
This volume contains articles based on lectures given at the Workshop on Transition and Turbulence Control, hosted by the Institute for Mathematical Sciences, National University of Singapore, 8OCo10 December 2004. The lecturers included 13 of the worldOCOs foremost experts in the control of transitioning and turbulent flows. The chapters cover a wide range of subjects in the broad area of flow control, and will be useful to researchers working in this area in academia, government laboratories and industry. The coverage includes control theory, passive, active and reactive methods for controlling transitional and turbulent wall-bounded flows, noise suppression and mixing enhancement of supersonic turbulent jets, compliant coatings, modern flow diagnostic systems, and swept wing instabilities."

Flow Past Highly Compliant Boundaries and in Collapsible Tubes

Flow Past Highly Compliant Boundaries and in Collapsible Tubes PDF Author: Peter W. Carpenter
Publisher: Springer Science & Business Media
ISBN: 9401704155
Category : Science
Languages : en
Pages : 326

Book Description
The IUTAM Symposium on Flow in Collapsible Tubes and Past Other Highly Compliant Boundaries was held on 26-30 March, 2001, at the University of Warwick. As this was the first scientific meeting of its kind we considered it important to mark the occasion by producing a book. Accordingly, at the end of the Symposium the Scientific Committee met to discuss the most appropriate format for the book. We wished to avoid the format of the conventional conference book consisting of a large number of short articles of varying quality. It was agreed that instead we should produce a limited number of rigorously refereed and edited articles by selected participants who would aim to sum up the state of the art in their particular research area. The outcome is the present book. Peter W. Ca rpenter, Warwick Timothy J. Pedley, Cambridge May, 2002. VB SCIENTIFIC COMMITTEE Co-Chair: P.W. Carpenter, Engineering, Warwiek, UK Co-Chair: TJ. Pedley, DAMTP, Cambridge, UK V.V. Babenko, Hydromechanics, Kiev, Ukraine R. Bannasch, Bionik & Evolutionstechnik, TU Berlin, Germany C.D. Bertram, Biomedical Engineering, New South Wales, Australia M. Gad-el-Hak, Aerospace & Mechanical Engineering, Notre Dame, USA J.B. Grotberg, Biomedical Engineering, Michigan, USA. R.D. Kamm, Mechanical Engineering, MIT, USA Y. Matsuzaki, Aerospace Engineering, N agoya, Japan P.K. Sen, Applied Mechanics, IIT Delhi, India L. van Wijngaarden, Twente, Netherlands K-S. Yeo, Mechanical Engineering, NU Singapore.

Numerical representation of a pin-on-disc tribometer for the investigation of textured surfaces

Numerical representation of a pin-on-disc tribometer for the investigation of textured surfaces PDF Author: Codrignani, Andrea Roberto
Publisher: KIT Scientific Publishing
ISBN: 3731508745
Category : Technology & Engineering
Languages : en
Pages : 176

Book Description


MEMS

MEMS PDF Author: Mohamed Gad-el-Hak
Publisher: CRC Press
ISBN: 1420036556
Category : Technology & Engineering
Languages : en
Pages : 576

Book Description
As our knowledge of microelectromechanical systems (MEMS) continues to grow, so does The MEMS Handbook. The field has changed so much that this Second Edition is now available in three volumes. Individually, each volume provides focused, authoritative treatment of specific areas of interest. Together, they comprise the most comprehensive collection

Applied Mathematics, Modeling and Computer Simulation

Applied Mathematics, Modeling and Computer Simulation PDF Author: C.-H. Chen
Publisher: IOS Press
ISBN: 1643682555
Category : Computers
Languages : en
Pages : 1154

Book Description
The pervasiveness of computers in every field of science, industry and everyday life has meant that applied mathematics, particularly in relation to modeling and simulation, has become ever more important in recent years. This book presents the proceedings of the 2021 International Conference on Applied Mathematics, Modeling and Computer Simulation (AMMCS 2021), hosted in Wuhan, China, and held as a virtual event from 13 to 14 November 2021. The aim of the conference is to foster the knowledge and understanding of recent advances across the broad fields of applied mathematics, modeling and computer simulation, and it provides an annual platform for scholars and researchers to communicate important recent developments in their areas of specialization to colleagues and other scientists in related disciplines. This year more than 150 participants were able to exchange knowledge and discuss recent developments via the conference. The book contains 115 peer-reviewed papers, selected from more than 250 submissions and ranging from the theoretical and conceptual to the strongly pragmatic and all addressing industrial best practice. Topics covered include mathematical modeling and applications, engineering applications and scientific computations, and the simulation of intelligent systems. Providing an overview of recent development and with a mix of practical experiences and enlightening ideas, the book will be of interest to researchers and practitioners everywhere.

Advances In Computation, Modeling And Control Of Transitional And Turbulent Flows

Advances In Computation, Modeling And Control Of Transitional And Turbulent Flows PDF Author: Tapan K Sengupta
Publisher: World Scientific
ISBN: 9814635170
Category : Science
Languages : en
Pages : 551

Book Description
The role of high performance computing in current research on transitional and turbulent flows is undoubtedly very important. This review volume provides a good platform for leading experts and researchers in various fields of fluid mechanics dealing with transitional and turbulent flows to synergistically exchange ideas and present the state of the art in the fields.Contributed by eminent researchers, the book chapters feature keynote lectures, panel discussions and the best invited contributed papers.