Laser Doppler and Phase Doppler Measurement Techniques

DOWNLOAD NOW »

Author: H.-E. Albrecht,Nils Damaschke,Michael Borys,Cameron Tropea

Publisher: Springer Science & Business Media

ISBN: 3662051656

Category: Technology & Engineering

Page: 738

View: 7956

Providing the first comprehensive treatment, this book covers all aspects of the laser Doppler and phase Doppler measurement techniques, including light scattering from small particles, fundamental optics, system design, signal and data processing, tracer particle generation, and applications in single and two-phase flows. The book is intended as both a reference book for more experienced users as well as an instructional book for students. It provides ample material as a basis for a lecture course on the subject and represents one of the most comprehensive treatments of the phase Doppler technique to date. The book will serve as a valuable reference book in any fluid mechanics laboratory where the laser Doppler or phase Doppler techniques are used. This work reflects the authors' long practical experience in the development of the techniques and equipment, as the many examples confirm.

Sensor-Technologien

Band 2: Geschwindigkeit, Durchfluss, Strömungsfeld

DOWNLOAD NOW »

Author: Marcus Wolff

Publisher: Walter de Gruyter GmbH & Co KG

ISBN: 311047784X

Category: Technology & Engineering

Page: 362

View: 6143

Das Gebiet der Sensorik ist zurzeit einem auffalligen Wandel unterworfen. Viele neue Verfahren werden zur Marktreife gefuhrt und verdrangen bis dato etablierte altere Techniken. Neue Anforderungen, unter anderem durch die notwendige Automatisierungs- und Vernetzungstechnik im Zuge von Industrie 4.0, beschleunigen diese Veranderungen zusatzlich. Hier ist es schwierig den Uberblick zu behalten. Welche Wirkprinzipien werden aktuell fur die Messung eingesetzt? Fur welche Anwendungen sind diese geeignet? Wie sieht eine typische industrielle Umsetzung aus? Welche Spezifi kationen haben exemplarische kommerzielle Produkte? Das vorliegende Buch beantwortet die Fragen in verstandlicher Form. Es behandelt Sensor-Technologien fur die Groen Geschwindigkeit, Stromungsfeld und Durchfl uss. Die Sensoren werden dafur nach dem Wirkprinzip geordnet prasentiert. Neben den physikalischen Grundlagen und dem Funktionsprinzip werden auch noch Anwendungen und kommerzielle Produkte vorgestellt. Durch diese Strukturierung eignet sich das Buch gleichermaen als Lehrbuch fur Studierende (Bachelor und Master) und Ratgeber fur Praktiker. Das Spektrum reicht dabei von Lichtschrankensystemen fur die Weg-Zeit-Messung basierte Geschwindigkeitsmessung in der Verkehrstechnik bis zur Particle-Image-Velocimetrie fur die Aufnahme komplexer, dreidimensionaler Stromungsfelder. Prof. Dr.-Ing. Marcus Wolff ist Professor an der Hochschule fur Angewandte Wissenschaften Hamburg und leitet dort das Heinrich-Blasius-Institut fur Physikalische Technologien. Er lehrte Sensorik und Experimentalphysik.

Untersuchung thermoakustischer Instabilitäten von Sprayflammen

DOWNLOAD NOW »

Author: Enrico Bärow

Publisher: Logos Verlag Berlin GmbH

ISBN: 3832547312

Category: Technology & Engineering

Page: 132

View: 8073

Gasturbinen und Flugtriebwerke müssen immer schärfere Emissionsgrenzwerte einhalten. Um dies zu erreichen, müssen unter anderem die Brennverfahren stetig verbessert werden. Das Lean-Direct-Injection-Konzept ist eines der aussichtsreichsten Brennverfahren, um Stickoxidemissionen zu minimieren. Im Gegenzug neigen derartige Brennkammern zu thermoakustischen Flammenschwingungen. In dieser Arbeit werden die Flammenschwingungen einer Lean-Direct-Injection-Brennkammer mit einer Sprayflamme untersucht. Es wird ein direkter Vergleich der beobachteten Flammenschwingung zwischen der Sprayflamme und diversen Gasflammen gezogen. Dies lässt eine unmittelbare Bewertung einzelner Teilmechanismen, wie der Mischung, der chemischen Eigenschaften des Brennstoffs, der Spraybildung, usw. zu. Um die Spraybildung unter oszillierenden Bedingungen besser zu verstehen, werden zudem detaillierte Untersuchungen an einem separaten Zerstäubungsprüfstand am gleichen Airblast-Zerstäuber durchgeführt. Diese Untersuchungen geben Aufschluss über das Antwortverhalten des Primärzerfalls sowie der Tropfenausbreitung innerhalb der Luftströmung.

Springer Handbook of Experimental Fluid Mechanics

DOWNLOAD NOW »

Author: Cameron Tropea,Alexander L. Yarin

Publisher: Springer Science & Business Media

ISBN: 3540251413

Category: Science

Page: 1557

View: 1998

Accompanying DVD-ROM contains ... "all chapters of the Springer Handbook."--P. [3] of cover.

Dynamics of Droplets

DOWNLOAD NOW »

Author: Arnold Frohn,Norbert Roth

Publisher: Springer Science & Business Media

ISBN: 9783540658870

Category: Science

Page: 292

View: 8835

The book deals with the dynamical behaviour of single droplets and regular droplet systems. After a short description of the theoretical background, the different experimental facilities and methods necessary for the investigation of single droplets are described in detail. A summary of important applications is included.

Laser Techniques for Fluid Mechanics

Selected Papers from the 10th International Symposium Lisbon, Portugal July 10–13, 2000

DOWNLOAD NOW »

Author: R.J. Adrian,D.F.G. Durao,M.V. Heitor,M. Maeda,Cameron Tropea,J.H. Whitelaw

Publisher: Springer Science & Business Media

ISBN: 3662082632

Category: Technology & Engineering

Page: 566

View: 306

This volume includes revised and extended versions of selected papers presented at the Tenth International Symposium on Applications of Laser Techniques to Fluid Mechanics held at the Calouste Gulbenkian Foundation in Lisbon, during the period of July 10 to 13, 2000. The papers describe instrumentation developments for Velocity, Scalar and Multi-Phase Flows and results of measurements of Turbulent Flows, and Combustion and Engines. The papers demonstrate the continuing and healthy interest in the development of understanding of new methodologies and implementation in terms of new instrumentation. The prime objective of the Tenth Symposium was to provide a forum for the presentation of the most advanced research on laser techniques for flow measurements, and communicate significant results to fluid mechanics. The application of laser techniques to scientific and engineering fluid flow research was emphasized, but contributions to the theory and practice of laser methods were also considered where they facilitate new improved fluid mechanic research. Attention was placed on laser-Doppler anemometry, particle sizing and other methods for the measurement of velocity and scalars, such as particle image velocimetry and laser induced fluorescence.

Applications of Laser Techniques to Fluid Mechanics

5th International Symposium Lisbon, Portugal, 9-12 July, 1990

DOWNLOAD NOW »

Author: R.J. Adrian,D.F.G. Durao,F. Durst,M. Maeda,J. Whitelaw

Publisher: Springer Science & Business Media

ISBN: 3642612547

Category: Technology & Engineering

Page: 567

View: 6981

This volume consists of papers selected from the proceedings of the Fifth International Symposium on Applications of Laser Techniques to Fluid Mechanics, held at the Calouste Gulbenkian Foundation in Lisbon from 9 to 12 July, 1990. Relative to previous meetings in the Lisbon series the scope of this symposium was broadened by expanding the topical coverage to include all laser techniques used in fluid mechanics. This change recognized the trend amongst experimental fluid dynamicists to employ laser techniques for the mea surement of many different quantities, including concentration, temperature, particle size, and velocity, and the need for researchers to have a forum in which to communicate their work and share their common interests. The Fifth Symposium contained twenty-three sessions of formal presentations and a lively Open Forum ses sion. In addition, Dr. H. J. Pfeiffer organized a special Workshop on the Use of Computers in Flow Mea surements which contained five sessions on frequency domain processors, correIa tors, special detectors, and biasing.

LDA Application Methods

Laser Doppler Anemometry for Fluid Dynamics

DOWNLOAD NOW »

Author: Zhengji Zhang

Publisher: Springer Science & Business Media

ISBN: 9783642135149

Category: Technology & Engineering

Page: 272

View: 8213

This technical book considers the application side of LDA techniques. Starting from the basic theories that are crucial for each LDA user, the main subject of the book is focused on diverse application methods. In details, it deals with universal methodical techniques that have been mostly developed in the last 15 years. The book thus gives for the first time an application reference for LDA users in improving the optical conditions and enhancing the measurement accuracies. It also provides the guidelines for simplifying the measurements and correcting measurement errors as well as for clarifying the application limits and extending the application areas of LDA techniques. Beside the treatments of some traditional optical and flow mechanical features influencing the measurement accuracies, the book shows a broad spectrum of LDA application methods in the manner of measuring the flow turbulence, resolving the secondary flow structures, and quantifying the optical aberrations at measurements of internal flows etc.. Thus, it also supports the further developments of both the hard- and software of LDA instrumentations.

Mechanische Verfahrenstechnik

DOWNLOAD NOW »

Author: Matthias Bohnet

Publisher: John Wiley & Sons

ISBN: 3527663584

Category: Science

Page: 287

View: 1939

Auf dem neuesten Stand - die Mechanische Verfahrenstechnik. Die Gliederung des Buches: - Charakterisierung disperser Systeme, - Feststoff/ Fluid-Str mungen, - Mechanische Trennverfahren, - Zerkleinern, - Agglomerieren, - Mischen, - Lagern von Sch ttg tern, - Hydraulischer und pneumatischer Transport, - Moderne Behandlung und Betrachtung der wichtigsten Gebiete der Partikeltechnik. Die Besonderheit dieses Fachgebietes liegt darin, dass in fast allen Verfahren der stoffwandelnden Industrie mechanische Prozesse mit Partikelsystemen eine herausragende Rolle spielen. Und dies bei einer au ergew hnlichen Heterogenit t der Stoffsysteme und Partikelgr en, die acht Zehnerpotenzen umfassen. In Anbetracht der Komplexit t und Spannbreite des Gebietes finden Praktiker in der Industrie, Studenten und Dozenten der Technischen Chemie, der Verfahrenstechnik und des Chemieingenieurwesens in dieser Auskoppelung aus Winnacker-K chler, Band 1 (Wiley-VCH, 2004), eine kompetente Einf hrung aus der Feder von Experten.

Compressibility, Turbulence and High Speed Flow

DOWNLOAD NOW »

Author: Thomas B. Gatski,Jean-Paul Bonnet

Publisher: Elsevier

ISBN: 9780080559124

Category: Science

Page: 296

View: 5391

This book introduces the reader to the field of compressible turbulence and compressible turbulent flows across a broad speed range through a unique complimentary treatment of both the theoretical foundations and the measurement and analysis tools currently used. For the computation of turbulent compressible flows, current methods of averaging and filtering are presented so that the reader is exposed to a consistent development of applicable equation sets for both the mean or resolved fields as well as the transport equations for the turbulent stress field. For the measurement of turbulent compressible flows, current techniques ranging from hot-wire anemometry to PIV are evaluated and limitations assessed. Characterizing dynamic features of free shear flows, including jets, mixing layers and wakes, and wall-bounded flows, including shock-turbulence and shock boundary-layer interactions, obtained from computations, experiments and simulations are discussed. Describes prediction methodologies including the Reynolds-averaged Navier Stokes (RANS) method, scale filtered methods and direct numerical simulation (DNS) Presents current measurement and data analysis techniques Discusses the linkage between experimental and computational results necessary for validation of numerical predictions Meshes the varied results of computational and experimental studies in both free and wall-bounded flows to provide an overall current view of the field

Grundlagen der Strömungsmechanik

Eine Einführung in die Theorie der Strömung von Fluiden

DOWNLOAD NOW »

Author: Franz Durst

Publisher: Springer-Verlag

ISBN: 3540313249

Category: Science

Page: 758

View: 4847

Dieses Lehrbuch stützt sich auf mathematische und physikalische Grundkenntnisse von Studenten mittlerer Semester. Es erläutert den Zusammenhang moderner Strömungsmechanik zur technischen Mechanik und bezieht moderne Mess- und numerische Berechnungsverfahren ein. Jedes Kapitel enthält den Stoff einer einwöchigen Vorlesung, der so aufgebaut ist, dass er Studenten an die jeweilige Spezialliteratur heranführt.

Laser Techniques Applied to Fluid Mechanics

Selected Papers from the 9th International Symposium, Lisbon, Portugal, July 13-16, 1998

DOWNLOAD NOW »

Author: Ronald J. Adrian

Publisher: Springer Science & Business Media

ISBN: 9783540667384

Category: Technology & Engineering

Page: 638

View: 7430

In the tradition of its predecessors, this volume comprises a selection of the best papers presented at the Ninth International Symposium on Applications of Laser Techniques to Fluid Mechanics, held in Lisbon in July 2000. The papers reflect the state-of-the-art in laser applications of laser techniques in fluid mechanics describing novel ideas for instrumentation, instrumentation developments, results of measurements of wall-bounded flows, free flows and flames and flow and combustion in engines. The papers demonstrate the continuing interest in the development of an understanding of new methodologies and implementation in terms of new instrumentation.

Developments in Laser Techniques and Fluid Mechanics

Selected Papers from the 8th International Symposium, Lisbon, Portugal, 8-11 July, 1996

DOWNLOAD NOW »

Author: Ronald J. Adrian

Publisher: Springer Verlag

ISBN: 9783540635727

Category: Technology & Engineering

Page: 571

View: 9887

This volume comprises a selection of the best papers presented at the Eighth International Symposium on Applications of Laser Techniques to Fluid Mechanics, held in Lisbon in July 1996. The papers describe novel ideas for instrumentation, instrumentation developments, results of measurements of wall-bounded flows, free flows and flames and flow and combustion in engines. The papers demonstrate the continuing interest in the development of an understanding of new methodologies and implementation in terms of new instrumentation.

Fluid Mechanics Measurements, Second Edition

DOWNLOAD NOW »

Author: R. Goldstein

Publisher: CRC Press

ISBN: 9781560323068

Category: Technology & Engineering

Page: 600

View: 2928

This revised edition provides updated fluid mechanics measurement techniques as well as a comprehensive review of flow properties required for research, development, and application. Fluid-mechanics measurements in wind tunnel studies, aeroacoustics, and turbulent mixing layers, the theory of fluid mechanics, the application of the laws of fluid mechanics to measurement techniques, techniques of thermal anemometry, laser velocimetry, volume flow measurement techniques, and fluid mechanics measurement in non-Newtonian fluids, and various other techniques are discussed.

Imaging Measurement Methods for Flow Analysis

Results of the DFG Priority Programme 1147 “Imaging Measurement Methods for Flow Analysis” 2003-2009

DOWNLOAD NOW »

Author: Wolfgang Nitsche,Christoph Dobriloff

Publisher: Springer Science & Business Media

ISBN: 3642011063

Category: Technology & Engineering

Page: 318

View: 4066

In 2003 the German Research Foundation established a new priority programme on the subject of “Imaging Measurement Methods for Flow Analysis” (SPP 1147). This research programme was based on the fact that experimental ?ow analysis, in addition to theory and numerics, has always played a predominant part both in ?ow research and in other areas of industrial practice. At the time, however, c- parisons with numerical tools (such as Computational Fluid Dynamics), which were increasingly used in research and practical applications, soon made it clear that there are relatively few experimental procedures which can keep up with state-of-the-art numerical methods in respect of their informative value, e.g. with regard to visu- spatial analysis or the dynamics of ?ow ?elds. The priority programme “Imaging Measurement Methods for Flow Analysis” was to help close this development gap. Hence the project was to focus on the investigation of ef?cient measurement me- ods to analyse complex spatial ?ow ?elds. Speci?c cooperations with computer sciences and especially measurement physics were to advance ?ow measurement techniques to a widely renowned key technology, exceeding the classical ?elds of ?uid mechanics by a long chalk.

Technische Hydro- und Aeromechanik

DOWNLOAD NOW »

Author: Walther Kaufmann

Publisher: Springer-Verlag

ISBN: 3642529178

Category: Technology & Engineering

Page: 352

View: 6393

Das vorliegende Buch über "Hydro- und Aeromechanik" enthält in großen Zügen (mit einigen Erweiterungen) den Stoff meiner Vorlesung, die ich über dieses Lehrgebiet an der Technischen Hocbscbule München für Studierende vor und nach der Vorprüfung halte. Es besitzt einen Vorläufer in der in den Jahren 1931 und 1934 erschienenen "Angewandten Hydromechanik", deren beide Bände bereits während des letzten Krieges vergriffen waren. Mit der Wiederaufnahme des Studienbetriebes an den deutschen Hochschulen wuchs in den Kreisen der Studenten ständig die Nachfrage nach einem derartigen Lehrbuch, so daß schon 1948 die Frage nach einer Neuauflage an mich herangetragen wurde. Seit dem Erscheinen der "Angewandten Hydromechanik" waren inzwischen nahezu zwei Jahrzehnte verflossen, in denen die Strömungslebre auf den ver scbiedensten Gebieten (Grenzschichttheorie, Tragflügel- und Gitterströmung, Gasdynamik) erhebliche Fortschritte gemacht hat. Zudem erschien es mir im Interesse der Studierenden zweckmäßig, den ganzen Stoff dieses immer größere Bedeutung erlangenden Teilgebietes der Mechanik, bei etwas strafferer Zu sammenfassung, in einem Bande darzustellen. Nach Rücksprache mit Herrn Dr.-Ing. E. h. JULIUS SPRINGER, der meinen dahingehenden Überlegungen bei pflichtete, entschloß ich mich also, von einer Neuauflage der "Angewandten Hydromechanik" abzuseben und statt dessen das nunmehr vorliegende Buch "Tecbnische Hydro- und Aeromechanik" neu zu schreiben.

Spray combustion measurements and model simulation

DOWNLOAD NOW »

Author: Kenneth K. Kuo

Publisher: N.A

ISBN: 9781563471810

Category: Atomization

Page: 455

View: 9705

The second volume emphasizes spray combustion measurements and model simulation. It includes four areas: spray combustion measurements, modeling and numerical simulation, instability of liquid fueled combustion systems, and spray combustion in certain practical systems.