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Simultaneous Measurements Of Velocity And Scalar Characteristics For The Analysis Of Turbulent Heat Transfer In Recirculating Flames
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Book Synopsis Simultaneous Measurements of Velocity and Scalar Characteristics for the Analysis of Turbulent Heat Transfer in Recirculating Flames by : P. Ferrao
Download or read book Simultaneous Measurements of Velocity and Scalar Characteristics for the Analysis of Turbulent Heat Transfer in Recirculating Flames written by P. Ferrao and published by . This book was released on 1992 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: The use of a laser-Doppler velocimeter has been extended to the analysis of turbulent heat transfer in a strongly sheared disc-stabilized propane-air flame through its combination with either laser Rayleigh scattering or digitally-compensated fine-wire thermocouples. The laser velocimeter was based on a conventional forward scattering system from the green light of a 5W Argon-Ion gas laser, while the Rayleigh signals used the blue line of the same laser. The procedure for the numeric compensation of the thermocouple signals included analysis of the effect of velocity and temperature on the time constant of the thermocouple and was optimized to allow combined velocity-temperature samples acquired by a purpose-built digital interface with a frequency up to 2000 Hz without deterioration of the thermocouple by particle accretion. The maximum effective data rate for the combined Rayleigh/LDV system is shown to be around 130 Hz, which corresponds to a data rae of valid Doppler signals around 400 Hz. The results obtained with the two systems agree qualitatively, although the use of thermocouples attenuates the measured velocity-temperature correlations. The results are used to assess the extent to which turbulent mixing in flames is altered by the accompanying heat release and quantify the processes of non-gradient diffusion in a strongly recirculating premixed flame.
Book Synopsis Energy Efficiency in Process Technology by : P.A. Pilavachi
Download or read book Energy Efficiency in Process Technology written by P.A. Pilavachi and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 1266 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since 1975 the Commission has been stimulating R & D work aimed at energy saving. The conference objective was to provide an international forum for the presentation and discussion of recent R & D relevant to energy efficiency, taking into account environmental aspects, in the energy intensive process industries.
Book Synopsis Laser Applications for Mechanical Industry by : S. Martellucci
Download or read book Laser Applications for Mechanical Industry written by S. Martellucci and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 425 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modern manufacturing industry is focusing its interests on the potential offered by the laser, in combination with other new technologies such as optical fibres, automation, computing and flexible manufacturing systems, to give new and powerful methods for non-destructive testing, in-process quality assurance, laser material processing and process control, and laser robotics. The greatest opportunities for the laser are in those areas where flexibility, automation, CAD/CAM integration, precision, cost reduction, and time to market are important factors. The examples covered here are mainly drawn from the automotive industry, where all these factors are imperative, and where the CO2, Nd-YAG and excimer laser sources are already making their contribution to the manufacturing process.
Book Synopsis Instrumentation for Flows with Combustion by : A. M. K. P. Taylor
Download or read book Instrumentation for Flows with Combustion written by A. M. K. P. Taylor and published by . This book was released on 1993 with total page 576 pages. Available in PDF, EPUB and Kindle. Book excerpt: Several instruments, mostly optical, have recently become available, complimenting progress in computational techniques and contributing to the evaluation of models of turbulence and combustion. This book summarizes the state-of-the-art of the more important instruments in seven chapters. Each includes essential theory but concentrates on the instruments' potential by reference to measurement examples.
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1994 with total page 892 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Propulsion and Energetics Panel. Symposium Publisher :North Atlantic Treaty Organization Resear Rganization ISBN 13 : Total Pages :554 pages Book Rating :4.E/5 ( download)
Book Synopsis Advanced Non-intrusive Instrumentation for Propulsion Engines by : North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Propulsion and Energetics Panel. Symposium
Download or read book Advanced Non-intrusive Instrumentation for Propulsion Engines written by North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Propulsion and Energetics Panel. Symposium and published by North Atlantic Treaty Organization Resear Rganization. This book was released on 1998 with total page 554 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Applied Mechanics Reviews written by and published by . This book was released on 1985 with total page 864 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Energy Research Abstracts written by and published by . This book was released on 1984 with total page 506 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Announcements & Index by :
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1994 with total page 1496 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis International Aerospace Abstracts by :
Download or read book International Aerospace Abstracts written by and published by . This book was released on 1998 with total page 984 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Study of Turbulent Nonpremixed Jet Flames Using Simultaneous Measurements of Velocity and CH Distribution by : Donghee Han
Download or read book Study of Turbulent Nonpremixed Jet Flames Using Simultaneous Measurements of Velocity and CH Distribution written by Donghee Han and published by . This book was released on 2001 with total page 181 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Numerical Prediction of Flow, Heat Transfer, Turbulence and Combustion by : D. Brian Spalding
Download or read book Numerical Prediction of Flow, Heat Transfer, Turbulence and Combustion written by D. Brian Spalding and published by Elsevier. This book was released on 2015-07-14 with total page 445 pages. Available in PDF, EPUB and Kindle. Book excerpt: Numerical Prediction of Flow, Heat Transfer, Turbulence and Combustion: Selected Works of Professor D. Brian Spalding focuses on the many contributions of Professor Spalding on thermodynamics. This compilation of his works is done to honor the professor on the occasion of his 60th birthday. Relatively, the works contained in this book are selected to highlight the genius of Professor Spalding in this field of interest. The book presents various research on combustion, heat transfer, turbulence, and flows. His thinking on separated flows paved the way for the multi-dimensional modeling of turbulence. Arguments on the universality of the models of turbulence and the problems that are associated with combustion engineering are clarified. The text notes the importance of combustion science as well as the problems associated with it. Mathematical computations are also presented in determining turbulent flows in different environments, including on curved pipes, curved ducts, and rotating ducts. These calculations are presented to further strengthen the claims of Professor Spalding in this discipline. The book is a great find for those who are interested in studying thermodynamics.
Book Synopsis Government Reports Annual Index by :
Download or read book Government Reports Annual Index written by and published by . This book was released on 1994 with total page 1692 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Japanese Technical Abstracts written by and published by . This book was released on 1988 with total page 572 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Two- and Three-Dimensional Measurements in Turbulent Nonpremixed Flames by :
Download or read book Two- and Three-Dimensional Measurements in Turbulent Nonpremixed Flames written by and published by . This book was released on 2000 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: As part of an ongoing research program aimed at developing techniques capable of quantitative imaging of mixture fraction and scalar dissipation in turbulent flames, three-scalar measurements were made in a turbulent nonpremixed flame. The use of nitrogen Raman scattering to detect a passive conserved scalar made it possible to increase confidence in the two-scalar technique based on simultaneous imaging of Rayleigh scattering and fuel Raman scattering. These experiments showed that proper parameterization of mixture fraction-dependent terms appearing in the expression for mixture fraction can improve accuracy for lean values of mixture fraction as well as those near stoichiometric. Additionally, a new experimental technique was investigated which allows the extraction of velocity information from laser-based scalar imaging in turbulent flows. Preliminary results from simultaneous particle-imaging velocimetry (PIV) and optical flow velocimetry showed that this technique has potential for unseeded velocity measurements compatible with the mixture fraction imaging. The optical flow approach was based on extracting velocity vectors from the intensity variations naturally present in inhomogeneous turbulent flow images of a mixing-dependent scalar quantity.
Download or read book Physics Briefs written by and published by . This book was released on 1980 with total page 1028 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Analysis of Turbulent Flow and Heat Transfer on a Flat Plate at High Mach Numbers with Variable Fluid Properties by : Robert G. Deissler
Download or read book Analysis of Turbulent Flow and Heat Transfer on a Flat Plate at High Mach Numbers with Variable Fluid Properties written by Robert G. Deissler and published by . This book was released on 1958 with total page 608 pages. Available in PDF, EPUB and Kindle. Book excerpt: A previous analysis of turbulent heat transfer and flow with variable fluid properties in smooth passages is extended to flow over a flat plate at high Mach numbers. Velocity and temperature distributions are calculated for a boundary layer in which the effects of both frictional heating and external heat transfer are appreciable. The viscosity and thermal conductivity are assumed to vary as a power of the temperature, while the Prandtl number and specific heat are taken as constant. Skin-friction and heat-transfer coefficients are calculated and compared with the incompressible values. The relation between boundary-layer thickness and distance along the plate is obtained for various Mach numbers. The analytical results are compared with representative experimental data.
