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Author: Kranthi Kumar Reddy Mogireddy Publisher: ISBN: Category : Computer algorithms Languages : en Pages : 61
Book Description
A detailed knowledge of particulates released during combustion is vital for managing an air quality program. Comprehending the chemical and physical characteristics of particulates is essential to solve health problems, smog formations, acid rain issues, and climate changes. Over the last 30 years, environmental professionals have started investigating non-destructive techniques to evaluate physical characteristics because of its substantial affects on human health. This thesis presents Scanning Electron Microscope (SEM) integrated with image processing technique as a tool for physical characterization of particulate matter. The characterization process involves image reading, preprocessing, segmentation, feature extraction, and representation steps. In these steps, selection of optimal image segmentation algorithm is the key for analyzing the captured images of fine particulate matter. In this thesis, a novel frame work for automating the process of selecting optimal image segmentation algorithm for each image using Support Vector Machines (SVMs) is presented. In addition to this, an image processing algorithm is developed based on Sobel edge detection method for statistical determination of various morphological parameters including area, diameter and shape factor of the particles.
Author: Kranthi Kumar Reddy Mogireddy Publisher: ISBN: Category : Computer algorithms Languages : en Pages : 61
Book Description
A detailed knowledge of particulates released during combustion is vital for managing an air quality program. Comprehending the chemical and physical characteristics of particulates is essential to solve health problems, smog formations, acid rain issues, and climate changes. Over the last 30 years, environmental professionals have started investigating non-destructive techniques to evaluate physical characteristics because of its substantial affects on human health. This thesis presents Scanning Electron Microscope (SEM) integrated with image processing technique as a tool for physical characterization of particulate matter. The characterization process involves image reading, preprocessing, segmentation, feature extraction, and representation steps. In these steps, selection of optimal image segmentation algorithm is the key for analyzing the captured images of fine particulate matter. In this thesis, a novel frame work for automating the process of selecting optimal image segmentation algorithm for each image using Support Vector Machines (SVMs) is presented. In addition to this, an image processing algorithm is developed based on Sobel edge detection method for statistical determination of various morphological parameters including area, diameter and shape factor of the particles.
Author: CONCAWE. Special Task Force on the Study of Air Pollution, Sampling and Survey Techniques Publisher: ISBN: Category : Air Languages : en Pages : 120
Author: Renliang Xu Publisher: Springer Science & Business Media ISBN: 0306471248 Category : Science Languages : en Pages : 411
Book Description
Particle characterization is an important component in product research and development, manufacture, and quality control of particulate materials and an important tool in the frontier of sciences, such as in biotechnology and nanotechnology. This book systematically describes one major branch of modern particle characterization technology - the light scattering methods. This is the first monograph in particle science and technology covering the principles, instrumentation, data interpretation, applications, and latest experimental development in laser diffraction, optical particle counting, photon correlation spectroscopy, and electrophoretic light scattering. In addition, a summary of all major particle sizing and other characterization methods, basic statistics and sample preparation techniques used in particle characterization, as well as almost 500 latest references are provided. The book is a must for industrial users of light scattering techniques characterizing a variety of particulate systems and for undergraduate or graduate students who want to learn how to use light scattering to study particular materials, in chemical engineering, material sciences, physical chemistry and other related fields.
Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
Three techniques for particulate matter analysis are discussed: (1) neutron activation, which is a method that samples the entire specimen, both surface and bulk; (2) electron spectroscopy for chemical analysis (ESCA), which samples particle surfaces only; and (3) scanning electron microscopy (SEM), which reveals particle size and morphology, and can be used to determine composition differences in individual particles. These three techniques can be combined to construct highly detailed characterizations of particulate matter specimens. It is shown that multielement analysis can be quickly done by neutron activation and that surface analysis and individual particle analysis obtained by ESCA and SEM, are very important supplementary information. (auth).
Author: K.L. Mittal Publisher: Springer Science & Business Media ISBN: 1489911871 Category : Science Languages : en Pages : 289
Book Description
This book documents the proceedings of the Third Symposium on Particles in Gases and Liquids: Detection, Characterization and Control held as a part of the 22nd Annual Meeting of the Fine Particle Society in San Jose, California, July 29-August 2, 1991. This series of symposia was initiated in 1987 in light of the growing importance to eliminate particles from process gases and liquids. As pointed out in the Preface to antecedent volumes in this series that particles in process gases and liquids could cause significant yield losses in precision manufacturing and concomitantly there has been heightened interest in understanding the behavior of particles in gases and liquids and devising ways to eliminate, or at least reduce substantially, these particles. The concern about particles in gases and liquids has been there for qui.te some time in the microelectronics arena, but there are other areas also where particles are of significant concern, e.g. in operation theatres in hospitals, food and beverage industry, and pharmaceutical manufacturing. This symposium basically had the same objectives as its predecessors, but to provide an update on the R&D activity taking place in the arena of particle detection, characterization and control. The printed program comprised a total of 28 papers dealing with variegated aspects of particles in gases and liquids. There were brisk and lively discussions and the attendees offered many positive comments, which goes to show that it was a well-received and needed symposium.
Author: Henk G. Merkus Publisher: Springer ISBN: 3319209493 Category : Science Languages : en Pages : 557
Book Description
This edited volume presents most techniques and methods that have been developed by material scientists, chemists, chemical engineers and physicists for the commercial production of particulate materials, ranging from the millimeter to the nanometer scale. The scope includes the physical and chemical background, experimental optimization of equipment and procedures, as well as an outlook on future methods. The books addresses issues of industrial importance such as specifications, control parameter(s), control strategy, process models, energy consumption and discusses the various techniques in relation to potential applications. In addition to the production processes, all major unit operations and characterization methods are described in this book. It differs from other books which are devoted to a single technique or a single material. Contributors to this book are acknowledged experts in their field. The aim of the book is to facilitate comparison of the different unit operations leading to optimum equipment choices for the production, handling and storage of particulate materials. An advantage of this approach is that unit operations that are common in one field of application are made accessible to other fields. The overall focus is on industrial application and the book includes some concrete examples. The book is an essential resource for students or researchers who work in collaboration with manufacturing industries or who are planning to make the switch from academia to industry.
Author: David C. Hurd Publisher: American Geophysical Union ISBN: Category : Science Languages : en Pages : 492
Book Description
Published by the American Geophysical Union as part of the Geophysical Monograph Series, Volume 63. In the past twenty or so years, there has been an increasing amount of interest in suspended particulates in seawater. This interest has concentrated on defining the distribution and variance of particle mass, composition, and flux. It is now well recognized that biogenic and other particle fluxes in the ocean define the principle mechanisms of non-conservative behavior that influence all reactive material. There is, however, concern that the analytical and sampling variability associated with our methods must be sufficiently within our control in order to discern important temporal and spatial variability of particles and fluxes. A review of papers in the recent literature which deal with analyzing the chemical and physical properties of particles collected by traps, pumps and other samplers, reveals that there is a considerable diversity of approaches and techniques being used by the community of active researchers in this field.
Author: Kranthi Kumar Reddy Mogireddy
Author: Kranthi Kumar Reddy Mogireddy
Author: 
Author: CONCAWE. Special Task Force on the Study of Air Pollution, Sampling and Survey Techniques
Author: Renliang Xu
Author: Andrea Piazzalunga
Author: Malissa Hanns
Author: 
Author: K.L. Mittal
Author: Henk G. Merkus
Author: David C. Hurd