Optical Methods for Data Processing in Heat and Fluid Flow
Optical Methods for Data Processing in Heat and Fluid Flow

Author: Clive Greated

Publisher: John Wiley & Sons

Published: 2002-08-30

Total Pages: 328

ISBN-13: 9781860582813

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Optical methods are now used routinely for the measurement of velocity, concentration, temperature, and other parameters in wide-ranging areas of industrial research and design such as IC engines, turbines, and combustors. Recent advances such as the use of high-resolution CCD cameras and the extension of flow mapping to three dimensions, make optical tools such as particle image velocimetry increasingly viable for use in the industrial environment. This excellent book presents new developments in optical diagnostic techniques in heat and fluid flow and offers an unparalleled opportunity for industrialists and academic researchers to exchange ideas. CONTENTS INCLUDE: Comparison of injector sprays for gasoline direct-injection engines The design, development, and preliminary results from a high-speed, optically accessed, single cylinder engine The reflected spectrum of complex multi-layered inhomogeneous highly scattering medium Development of full volume digital holography for particle measurement Improved liquid crystal thermography by using true-colour image processing technology Development of an optical measuring technique for the study of acoustical phenomena Spatio-temporal reconstruction of the unsteady wake of axisymmetric bluff bodies via time-recording DPIV Application of particle image velocimetry to helicopter vortex interactions Pulsed laser particle image velocimetry using a fibre-optic delivery system Automated fringe analysis for profilometric mass-transfer experiments.

Optical Measurements
Optical Measurements

Author: Franz Mayinger

Publisher: Springer Science & Business Media

Published: 2013-03-14

Total Pages: 462

ISBN-13: 3662029677

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Increasing possibilities of computer-aided data processing have caused a new revival of optical techniques in many areas of mechanical and chemical en gineering. Optical methods have a long tradition in heat and mass transfer and in fluid dynamics. Global experimental information is not sufficient for developing constitution equations to describe complicated phenomena in fluid dynamics or in transfer processes by a computer program . Furthermore, a detailed insight with high local and temporal resolution into the thermo-and fluiddynamic situations is necessary. Sets of equations for computer program in thermo dynamics and fluid dynamics usually consist of two types of formulations: a first one derived from the conservation laws for mass, energy and momentum, and a second one mathematically modelling transport processes like laminar or turbulent diffusion. For reliably predicting the heat transfer, for example, the velocity and temperature field in the boundary layer must be known, or a physically realistic and widely valid correlation describing the turbulence must be avail able. For a better understanding of combustion processes it is necessary to know the local concentration and temperature just ahead of the flame and in the ignition zone.

Combustion Technology for a Clean Environment
Combustion Technology for a Clean Environment

Author: Maria Carvalho

Publisher: CRC Press

Published: 2002-11-08

Total Pages: 1576

ISBN-13: 9781560329770

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The more than 90 refereed papers in this volume continue a series of biannual benchmarks for technologies that maximize energy conversion while minimizing undesirable emissions. Covering the entire range of industrial and transport combustion as well as strategies for energy research and development, these state-of-the-art will be indispensable to mechanical and chemical engineers in academia and industry and technical personnel in military, energy and environmental government agencies. The topics covered in this book include wood, oil, gas and coal combustion, combustion of alternative fuels, co-combustion and co-gasification, catalytic combustion, NO, SO, soot fundamentals, advanced diagnostics, burners, fluidized bed combustion, incineration, engines, advanced cycles, gas clean-up, control strategy and clean combustion in process industries.

Applied Optics and Opto-electronics 1998, Proceedings of the Applied Optics Divisional Conference of the Institute of Physics, held at Brighton, 16-19 March 1998
Applied Optics and Opto-electronics 1998, Proceedings of the Applied Optics Divisional Conference of the Institute of Physics, held at Brighton, 16-19 March 1998

Author: Grattan

Publisher: CRC Press

Published: 1998-01-01

Total Pages: 350

ISBN-13: 9780750304566

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Recent years have seen a rapid growth in the field of applied optics and optoelectronics, mostly from the standpoints of industrial applications and research. This has largely been due to the advantages that optical technology offers in a wide range of situations and thus the research into and anticipation of future applications is an area that is subject to considerable international interest. Applied Optics and Optoelectronics 1998 incorporates a broad spectrum of scientists and engineers from around the world. The book includes contributions from the IOP Optical Group, Instrument Science and Technology Group, and the Fringe Analysis Special Interest Group, and the wide range of contents reflects the interdisciplinary nature of the subject that will help to facilitate the cross fertilization of ideas within the community. The proceedings comprise papers from the following program streams: optics; actuators, sensors, and instrumentation; fringe analysis; and underwater optics.

Particle Image Velocimetry
Particle Image Velocimetry

Author: Markus Raffel

Publisher: Springer Science & Business Media

Published: 2001-03-12

Total Pages: 280

ISBN-13: 9783540636830

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Results from several applications of particle image velocimetry (PIV) to unsteady flows at a laboratory scale have been published, and commercial products are now available for more general laboratory use, but for certain industrially important applications, reliable equipment is often available only from in-house research and development teams. This PIV handbookis intended to transfer know-how from PIV development laboratories to end-users in industry and universities. The book discusses the scientific and technical aspects required to set up a PIV system, allows users to assess the problems involved in the application of PIV, and enables them to design, optimize, and use PIV systems to meet their special needs.

Schlieren and Shadowgraph Methods in Heat and Mass Transfer
Schlieren and Shadowgraph Methods in Heat and Mass Transfer

Author: Pradipta Kumar Panigrahi

Publisher: Springer Science & Business Media

Published: 2012-08-07

Total Pages: 137

ISBN-13: 1461445353

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Schlieren and Shadowgraph Methods in Heat and Mass Transfer lays out the fundamentals of refractive index based imaging techniques, optical configurations, image analysis, and three dimensional reconstructions. The present monograph aims at temperature and concentration measurements in transparent media using ray bending effects in a variable refractive index field. Data analysis procedure for three-dimensional reconstruction of temperature and concentration field using images at different view angles is presented. Test cases illustrating the validation of the quantitative analysis procedure are presented.

Flow Visualization: Techniques And Examples (2nd Edition)
Flow Visualization: Techniques And Examples (2nd Edition)

Author: Alexander J Smits

Publisher: World Scientific

Published: 2012-08-02

Total Pages: 442

ISBN-13: 1908977183

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This is the 2nd edition of the book, Flow Visualization: Techniques and Examples, which was published by Imperial College Press in 2000. Many of the chapters have been revised and updated to take into consideration recent changes in a number of flow visualization and measurement techniques, including an updated high quality flow gallery. Unique among similar publications, this book focuses on the practical rather than theoretical aspects. Obtaining high quality flow visualization results is, in many ways, more of an art than a science, and experience plays a key deciding role. The depth and breadth of the material will make this book invaluable to readers of all levels of experience in the field.

The Aerodynamics of Heavy Vehicles II: Trucks, Buses, and Trains
The Aerodynamics of Heavy Vehicles II: Trucks, Buses, and Trains

Author: Fred Browand

Publisher: Springer Science & Business Media

Published: 2008-09-30

Total Pages: 453

ISBN-13: 3540850708

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It is our pleasure to present these proceedings for “The Aerodynamics of Heavy Vehicles II: Trucks, Buses and Trains” International Conference held in Lake - hoe, California, August 26-31, 2007 by Engineering Conferences International (ECI). Brought together were the world’s leading scientists and engineers from industry, universities, and research laboratories, including truck and high-speed train manufacturers and operators. All were gathered to discuss computer simu- tion and experimental techniques to be applied for the design of the more efficient trucks, buses and high-speed trains required in future years. This was the second conference in the series. The focus of the first conference in 2002 was the interplay between computations and experiment in minimizing ae- dynamic drag. The present proceedings, from the 2007 conference, address the development and application of advanced aerodynamic simulation and experim- tal methods for state-of-the-art analysis and design, as well as the development of new ideas and trends holding promise for the coming 10-year time span. Also - cluded, are studies of heavy vehicle aerodynamic tractor and trailer add-on - vices, studies of schemes to delay undesirable flow separation, and studies of - derhood thermal management.

Three-Dimensional Velocity and Vorticity Measuring and Image Analysis Techniques
Three-Dimensional Velocity and Vorticity Measuring and Image Analysis Techniques

Author: Th. Dracos

Publisher: Springer Science & Business Media

Published: 2013-06-29

Total Pages: 322

ISBN-13: 9401587272

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The contents of this volume reflect to a large extent the efforts made by a group of Institutes at the ETH Zürich to develop new techniques for measurements of flows in fluids in the last decade. The motivation came from the study of tr~sport and mixing processes in natural and industrial systems. One of the characteristic properties of turbulence is its high mixing efficiency. The techniques developed are therefore suitable, although not exclusively, for turbulence measurements. They can be subdivided into point-measurements and field-measurements. The aim of the point-measurements developed is to determine the three components of the velocity and all their first derivatives with good temporal resolution and accuracy in turbulent flows. The old and weIl established method of hot-wire anemometry was used for this purpose. One of the main achievements in this context is the construction of miniature multi-wire probes. This technique was introduced to the Institute of Hydromechanics and Water Resources Management of ETH Zürich by Profs. A. Tsinober and E. Kit from Tel-Aviv University. This was made possible by the generous financial support by ETH, for which I would like to express my gratitude on this occasion. In addition, Dr. F.E. Joergensen from DANTEC contributed an example of recent developments in the hardware ofConstant Temperature Anemometry (CTA), for which I am very thankful.