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Spatially Resolved Small Angle X Ray Scattering Studies Of Soot Inception And Growth
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Book Synopsis Spatially-resolved Small-angle X-ray Scattering Studies of Soot Inception and Growth by :
Download or read book Spatially-resolved Small-angle X-ray Scattering Studies of Soot Inception and Growth written by and published by . This book was released on 2002 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: The high spectral brilliance of x-rays produced at the Basic Energy Sciences Synchrotron Radiation Center of Argonne's Advanced Photon Source allows us to perform small-angle x-ray scattering (SAXS) measurements of the distributions of soot particles in flames. SAXS provides an in situ probe of the size and distribution of particles in the region between 1 and 100 nm. Detailed measurements on a propylene/air diffusion flame allow us to extract a spatially dependent background, which occurs in gas-phase combustion systems, and to perform Abel inversions, which provide the radial dependence of the scattering intensity. A bimodal distribution of soot particles is needed to describe our results. The radial behavior of the two modes of this distribution implies that the chemistry and fluid dynamics are strongly coupled in this simple diffusion flame. The larger particles of this distribution correspond to the previously observed primary particles, which have a relatively complex radial dependence. Midway between the fuel source and the widest part of the flame the primary particles have a mean radius of 6 nm or less and their concentration is symmetrically distributed about the flame front. At the widest part of the flame, two distinct distributions of primary particles are observed. Near the center of the flame the particles have a mean radius of 10 nm and a polydispersity of 0.3 and beyond a transition region they have a mean radius of 21 nm and a polydispersity of 0.2. The smaller particles, which require additional experiments before they can be identified, correspond either to soot nuclei, PAH species such as naphthalene, and/or disordered carbons with graphitic basal planes.
Book Synopsis Optical Metrology for Fluids, Combustion and Solids by : Carolyn Mercer
Download or read book Optical Metrology for Fluids, Combustion and Solids written by Carolyn Mercer and published by Springer Science & Business Media. This book was released on 2013-04-17 with total page 468 pages. Available in PDF, EPUB and Kindle. Book excerpt: Optical Metrology for Fluids, Combustion and Solids is the first practical handbook that presents the assemblage of the techniques necessary to provide a basic understanding of optical measurement for fluids, combustion, and solids. The use of light as a measurement tool has grown over the past twenty years from a narrowly specialized activity to a mainstay of modern research today. Until recently, the knowledge that could be extracted from the light interaction of light with physical objects was limited to specialized activities. The invention of the laser, the computer and microelectronics has enabled a measurement revolution such that virtually every parameter of engineering interest can be measured using the minimally intrusive properties of light. The authors of this book's chapters are leaders in this revolution. They work on the front lines of research in government, industry, and universities, inventing yet more ways to harness the power of light for the generation of knowledge.
Book Synopsis Small-Angle X-Ray Scattering by : H. Brumberger
Download or read book Small-Angle X-Ray Scattering written by H. Brumberger and published by . This book was released on 1967 with total page 510 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Small Angle X-ray Scattering Study of Coal Soot Formation by :
Download or read book Small Angle X-ray Scattering Study of Coal Soot Formation written by and published by . This book was released on 2000 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this study is to examine, by small angle X-ray scattering (SAXS), the formation of soot from individual coal particle combustion in a methane flat flame burner. The SAXS instrument at the Basic Energy Sciences Synchrotron Radiation Center (BESSRC) at the Advanced Photon Source (APS) can be used to observe both the formation of spherules and clusters since it can access length scales of 6--6000 Å. The high X-ray flux enables rapid acquisition of scattering data of various regions of the flame. SAXS data reveal particle size, shape, surface areas, and surface roughness.
Book Synopsis Small-angle X-ray Scattering by : Harry Brumberger
Download or read book Small-angle X-ray Scattering written by Harry Brumberger and published by . This book was released on 1967 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Development of Ultra Small-angle X-ray Scattering for Studies of Heterogeneous Systems by : Jane Sarah Rigden
Download or read book Development of Ultra Small-angle X-ray Scattering for Studies of Heterogeneous Systems written by Jane Sarah Rigden and published by . This book was released on 1993 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Small-angle X-ray Scattering Studies of Phase Transitions and Growth Processes on Colloidal Dispersions by : Diego Pontoni
Download or read book Small-angle X-ray Scattering Studies of Phase Transitions and Growth Processes on Colloidal Dispersions written by Diego Pontoni and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Development of Ultra Small-angle X-ray Scattering for Studies of Heterogenous Systems by : J.S Rigden
Download or read book Development of Ultra Small-angle X-ray Scattering for Studies of Heterogenous Systems written by J.S Rigden and published by . This book was released on 1993 with total page 187 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Small-angle x-ray scattering studies of macromolecular and coll... by : Paul Frederik van Hutten
Download or read book Small-angle x-ray scattering studies of macromolecular and coll... written by Paul Frederik van Hutten and published by . This book was released on 1981 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Small-angle X-ray Scattering by : Conference on Small-Angle X-Ray Scattering
Download or read book Small-angle X-ray Scattering written by Conference on Small-Angle X-Ray Scattering and published by . This book was released on 1967 with total page 509 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Time Resolved Small Angle X-ray Scattering Reactivity Studies on Coals, Asphaltenes, and Polymers by :
Download or read book Time Resolved Small Angle X-ray Scattering Reactivity Studies on Coals, Asphaltenes, and Polymers written by and published by . This book was released on 1999 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this study is to examine changes in the structures of coals, asphaltenes, and polymers in situ with small angle X-ray scattering (SAXS) during thermal treatments. We have built a SAXS instrument at the Basic Energy Sciences Synchrotrons Radiation Center at the Advanced Photon Source that allows us to obtain scattering data on very small samples and in the millisecond time domain. The Argonne Premium Coal samples, petroleum derived asphaltenes, and polymers with functionality to model fossil fuels were used in this study. The information that can be derived from these experiments includes: changes in fractal dimensionality, surface topology, and size and type of porosity. The information is correlated with other methods on the same samples.
Book Synopsis Small-angle X-ray Scattering Studies of Phase Transitions in Liquids by : Yonglin Xie
Download or read book Small-angle X-ray Scattering Studies of Phase Transitions in Liquids written by Yonglin Xie and published by . This book was released on 1995 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Small Angle X-ray Scattering by : Jack B. Goldmann
Download or read book Small Angle X-ray Scattering written by Jack B. Goldmann and published by . This book was released on 1962 with total page 1 pages. Available in PDF, EPUB and Kindle. Book excerpt: A survey of literature pertaining to small angle and low angle x-ray scattering emphasizing studies of particle size and determination of surface areas is given which supplements and extends the one included in Guinier, A. and Fournet, G. 'Small-Angle Scattering of X-Rays (New York, Wiley, 1955)' to the year 1962. Citations are arranged alphabetically by author. (Author).
Book Synopsis An in-situ x-ray small angle scattering study of soot morphology in flames by : W. A. England
Download or read book An in-situ x-ray small angle scattering study of soot morphology in flames written by W. A. England and published by . This book was released on 1984 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Grazing Incidence Small Angle X-Ray Scattering as a Tool for In- Situ Time-Resolved Studies by : Gonzalo Santoro
Download or read book Grazing Incidence Small Angle X-Ray Scattering as a Tool for In- Situ Time-Resolved Studies written by Gonzalo Santoro and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: With the advent of third-generation synchrotron sources and the development of fast two-dimensional X-ray detectors, X-ray scattering has become an invaluable tool for in-situ time-resolved experiments. In the case of thin films, grazing incidence small angle X-ray scattering (GISAXS) constitutes a powerful technique to extract morphological information not only of the thin film surface but also of buried structures with statistical relevance. Thus, recently in-situ GISAXS experiments with subsecond time resolution have enabled investigating the self-assembly processes during vacuum deposition of metallic and organic thin films as well as the structural changes of polymer and colloidal thin films in the course of wet deposition. Moreover, processing of thin films has also been investigated in-situ employing GISAXS. In this chapter, we review the current trends of time-resolved GISAXS studies. After an introduction to the GISAXS technique, we present exemplary results of metallic and organic thin film preparation, wet deposition of polymer thin films and self-assembly of colloidal thin films, as well as examples of thin film modification in, e.g., microfluidic channels and within working devices. Finally, an overview of the future perspectives in the field is provided.
Book Synopsis Small Angle X-Ray Scattering by : E. Brumberger (ed)
Download or read book Small Angle X-Ray Scattering written by E. Brumberger (ed) and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Small Angle X-ray Scattering Study of Spherical Particles by : John Henry Letcher
Download or read book A Small Angle X-ray Scattering Study of Spherical Particles written by John Henry Letcher and published by . This book was released on 1964 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt:
