Development and Characterization of Infrared Broadband Open-path Hydrocarbon Detectors for Chemical Species Tomography

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Publisher :
ISBN 13 :
Total Pages : 108 pages
Book Rating : 4.:/5 (988 download)

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Book Synopsis Development and Characterization of Infrared Broadband Open-path Hydrocarbon Detectors for Chemical Species Tomography by : Roger Tsang

Download or read book Development and Characterization of Infrared Broadband Open-path Hydrocarbon Detectors for Chemical Species Tomography written by Roger Tsang and published by . This book was released on 2017 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chemical species tomography (CST) is an emerging diagnostic technique for estimating the spatial distribution of a chemical species of interest. This thesis focuses on using CST to detect and map fugitive hydrocarbon emissions resulting from crude oil refinement, where current methods of detecting and measuring these emissions can be costly and inaccurate. This technique utilizes multiple optical paths to measure path-integrated concentrations over a flow field that are used in reconstructions to obtain an estimated discrete distribution. Prior CST work has made use of diode lasers, ultraviolet differential optical absorption spectrometers, or Fourier transform infrared spectrometers. This thesis pioneers the use of broadband infrared open path detectors for CST. A theoretical background is laid out with a discussion of the fundamentals of how E-M waves interact with gas molecules, which underlies the CST measurement principle. This is followed by an explanation of monochromatic tomography, which involves solving a rank-deficient problem through the context of a Bayesian problem with prior information. Broadband tomography is then developed on that foundation, requiring a transfer function to linearize the problem. Details of a design overview is presented for four open path broadband detector and emitter pairs that were fabricated for use in lab-scale tomography experiments. Focusing on the mid-infrared ro-vibrational band of hydrocarbons at approximately 3.3 [mu]m, the pairs contain optical components suitable for operation at distances up to 10 m. These components include a thermal emitter, a collimating reflector, bandpass filter, focusing lens, and photovoltaic detector. The detector pairs were validated and transfer functions were built with a calibration process through a custom-built absorption cell with gaseous species of methane, propane, and ethylene. Using known concentrations of one species at a time, the transmittance of an optical pair was compared to an expected model that was constructed from spectral data compiled in the HITRAN or PNNL databases. Twelve tomography experiments followed, culminating in a final successful proof-of-concept tomographic reconstruction of a propane plume that was validated with flame ionization detector measurements.

Patty's Industrial Hygiene, Evaluation and Control

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Publisher : John Wiley & Sons
ISBN 13 : 1119816203
Total Pages : 400 pages
Book Rating : 4.1/5 (198 download)

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Book Synopsis Patty's Industrial Hygiene, Evaluation and Control by : Barbara Cohrssen

Download or read book Patty's Industrial Hygiene, Evaluation and Control written by Barbara Cohrssen and published by John Wiley & Sons. This book was released on 2021-04-01 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since the first edition in 1948, Patty’s Industrial Hygiene and Toxicology has become a flagship publication for Wiley. During its nearly seven decades in print, it has become a standard reference for the fields of occupational health and toxicology. The volumes on industrial hygiene are cornerstone reference works for not only industrial hygienists but also chemists, engineers, toxicologists, lawyers, and occupational safety personnel. Volume 2 covers Chemical Exposure Evaluation and Control. Along with the updated and revised chapters from the prior edition, this volume has two new chapters: Sensor Technology and Control Banding.

Optical Chemical Sensors

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Publisher : Springer Science & Business Media
ISBN 13 : 1402046111
Total Pages : 553 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Optical Chemical Sensors by : F. Baldini

Download or read book Optical Chemical Sensors written by F. Baldini and published by Springer Science & Business Media. This book was released on 2006-05-03 with total page 553 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers optical chemical sensing by means of optical waveguides, from the fundamentals to the most recent applications. The book includes a historical review of the development of these sensors, from the earliest laboratory prototypes to the first commercial instrumentations. The book reprints a lecture by the Nobel Laureate Charles Townes on the birth of maser and laser, which lucidly illustrates the development of new science and new technology.

Toxicological Profile for Polycyclic Aromatic Hydrocarbons

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Publisher :
ISBN 13 :
Total Pages : 500 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Toxicological Profile for Polycyclic Aromatic Hydrocarbons by :

Download or read book Toxicological Profile for Polycyclic Aromatic Hydrocarbons written by and published by . This book was released on 1995 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Harnessing Light

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Publisher : National Academies Press
ISBN 13 : 0309059917
Total Pages : 358 pages
Book Rating : 4.3/5 (9 download)

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Book Synopsis Harnessing Light by : National Research Council

Download or read book Harnessing Light written by National Research Council and published by National Academies Press. This book was released on 1998-09-25 with total page 358 pages. Available in PDF, EPUB and Kindle. Book excerpt: Optical science and engineering affect almost every aspect of our lives. Millions of miles of optical fiber carry voice and data signals around the world. Lasers are used in surgery of the retina, kidneys, and heart. New high-efficiency light sources promise dramatic reductions in electricity consumption. Night-vision equipment and satellite surveillance are changing how wars are fought. Industry uses optical methods in everything from the production of computer chips to the construction of tunnels. Harnessing Light surveys this multitude of applications, as well as the status of the optics industry and of research and education in optics, and identifies actions that could enhance the field's contributions to society and facilitate its continued technical development.

Practical Fourier Transform Infrared Spectroscopy

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Publisher : Elsevier
ISBN 13 : 0323146406
Total Pages : 549 pages
Book Rating : 4.3/5 (231 download)

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Book Synopsis Practical Fourier Transform Infrared Spectroscopy by : John R. Ferraro

Download or read book Practical Fourier Transform Infrared Spectroscopy written by John R. Ferraro and published by Elsevier. This book was released on 2012-12-02 with total page 549 pages. Available in PDF, EPUB and Kindle. Book excerpt: Practical Fourier Transform Infrared Spectroscopy: Industrial and Laboratory Chemical Analysis presents the Fourier Transform Infrared Spectroscopy (FT-IR) as a valuable analytic tool in solving industrial and laboratory chemical problems. The text provides chapters that deal with the various applications of FT-IR such as the characterization of organic and inorganic superconductors; the study of forensic materials such as controlled drug particles, fragments of polymers, textile fibers, and explosives; identification and quantification of impurities and measurement of epitaxial thickness in silicon; bulk and surface studies and microanalyses of industrial materials; and the identification or determination of unknown compounds. Chemists, industrial researchers, and product engineers will find the book useful.

Differential Ion Mobility Spectrometry

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Publisher : CRC Press
ISBN 13 : 9781420051070
Total Pages : 322 pages
Book Rating : 4.0/5 (51 download)

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Book Synopsis Differential Ion Mobility Spectrometry by : Alexandre A. Shvartsburg

Download or read book Differential Ion Mobility Spectrometry written by Alexandre A. Shvartsburg and published by CRC Press. This book was released on 2008-12-24 with total page 322 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the last decade, scientific and engineering interests have been shifting from conventional ion mobility spectrometry (IMS) to field asymmetric waveform ion mobility spectrometry (FAIMS). Differential Ion Mobility Spectrometry: Nonlinear Ion Transport and Fundamentals of FAIMS explores this new analytical technology that separates and characterizes ions by the difference between their mobility in gases at high and low electric fields. It also covers the novel topics of higher-order differential IMS and IMS with alignment of dipole direction. The book relates the fundamentals of FAIMS and other nonlinear IMS methods to the physics of gas-phase ion transport. It begins with the basics of ion diffusion and mobility in gases, covering the main attributes of conventional IMS that are relevant to all IMS approaches. Building on this foundation, the author reviews diverse high-field transport phenomena that underlie differential IMS. He discusses the conceptual implementation and first-principles optimization of FAIMS as a filtering technique, emphasizing the dependence of FAIMS performance metrics on instrumental parameters and properties of ion species. He also explores ion reactions in FAIMS caused by field heating and the effects of inhomogeneous electric field in curved FAIMS gaps. Written by an accomplished scientist in the field, this state-of-the-art book supplies the foundation to understand the new technology of nonlinear IMS methods.

Introduction to Spectroscopy

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Publisher :
ISBN 13 : 9789865632021
Total Pages : 764 pages
Book Rating : 4.6/5 (32 download)

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Book Synopsis Introduction to Spectroscopy by : Donald L. Pavia

Download or read book Introduction to Spectroscopy written by Donald L. Pavia and published by . This book was released on 2015 with total page 764 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Quantities, Units and Symbols in Physical Chemistry

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Publisher : Royal Society of Chemistry
ISBN 13 : 0854044337
Total Pages : 240 pages
Book Rating : 4.8/5 (54 download)

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Book Synopsis Quantities, Units and Symbols in Physical Chemistry by : International Union of Pure and Applied Chemistry. Physical and Biophysical Chemistry Division

Download or read book Quantities, Units and Symbols in Physical Chemistry written by International Union of Pure and Applied Chemistry. Physical and Biophysical Chemistry Division and published by Royal Society of Chemistry. This book was released on 2007 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt: Prepared by the IUPAC Physical Chemistry Division this definitive manual, now in its third edition, is designed to improve the exchange of scientific information among the readers in different disciplines and across different nations. This book has been systematically brought up to date and new sections added to reflect the increasing volume of scientific literature and terminology and expressions being used. The Third Edition reflects the experience of the contributors with the previous editions and the comments and feedback have been integrated into this essential resource. This edition has been compiled in machine-readable form and will be available online.

Solid State Gas Sensors,

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Publisher : CRC Press
ISBN 13 :
Total Pages : 266 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Solid State Gas Sensors, by : P. T. Moseley

Download or read book Solid State Gas Sensors, written by P. T. Moseley and published by CRC Press. This book was released on 1987 with total page 266 pages. Available in PDF, EPUB and Kindle. Book excerpt: An overview of the principles & current technology of the main sensor types used for flammable gas detection, oxygen monitoring in combustion & car-exhaust control. Also includes toxic gas monitoring. A companion volume to Techniques & Mechanisms in Gas Sensing.

Handbook of Modern Sensors

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Publisher : Springer Science & Business Media
ISBN 13 : 0387216049
Total Pages : 596 pages
Book Rating : 4.3/5 (872 download)

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Book Synopsis Handbook of Modern Sensors by : Jacob Fraden

Download or read book Handbook of Modern Sensors written by Jacob Fraden and published by Springer Science & Business Media. This book was released on 2006-04-29 with total page 596 pages. Available in PDF, EPUB and Kindle. Book excerpt: Seven years have passed since the publication of the previous edition of this book. During that time, sensor technologies have made a remarkable leap forward. The sensitivity of the sensors became higher, the dimensions became smaller, the sel- tivity became better, and the prices became lower. What have not changed are the fundamental principles of the sensor design. They are still governed by the laws of Nature. Arguably one of the greatest geniuses who ever lived, Leonardo Da Vinci, had his own peculiar way of praying. He was saying, “Oh Lord, thanks for Thou do not violate your own laws. ” It is comforting indeed that the laws of Nature do not change as time goes by; it is just our appreciation of them that is being re?ned. Thus, this new edition examines the same good old laws of Nature that are employed in the designs of various sensors. This has not changed much since the previous edition. Yet, the sections that describe the practical designs are revised substantially. Recent ideas and developments have been added, and less important and nonessential designs were dropped. Probably the most dramatic recent progress in the sensor technologies relates to wide use of MEMS and MEOMS (micro-electro-mechanical systems and micro-electro-opto-mechanical systems). These are examined in this new edition with greater detail. This book is about devices commonly called sensors. The invention of a - croprocessor has brought highly sophisticated instruments into our everyday lives.

Atomic Layer Deposition for Semiconductors

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Publisher : Springer Science & Business Media
ISBN 13 : 146148054X
Total Pages : 266 pages
Book Rating : 4.4/5 (614 download)

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Book Synopsis Atomic Layer Deposition for Semiconductors by : Cheol Seong Hwang

Download or read book Atomic Layer Deposition for Semiconductors written by Cheol Seong Hwang and published by Springer Science & Business Media. This book was released on 2013-10-18 with total page 266 pages. Available in PDF, EPUB and Kindle. Book excerpt: Offering thorough coverage of atomic layer deposition (ALD), this book moves from basic chemistry of ALD and modeling of processes to examine ALD in memory, logic devices and machines. Reviews history, operating principles and ALD processes for each device.

Surface-Enhanced Vibrational Spectroscopy

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Publisher : John Wiley & Sons
ISBN 13 : 9780470035658
Total Pages : 260 pages
Book Rating : 4.0/5 (356 download)

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Book Synopsis Surface-Enhanced Vibrational Spectroscopy by : Ricardo Aroca

Download or read book Surface-Enhanced Vibrational Spectroscopy written by Ricardo Aroca and published by John Wiley & Sons. This book was released on 2006-05-01 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt: Surface Enhanced Vibrational Spectroscopy (SEVS) has reached maturity as an analytical technique, but until now there has been no single work that describes the theory and experiments of SEVS. This book combines the two important techniques of surface-enhanced Raman scattering (SERS) and surface-enhanced infrared (SEIR) into one text that serves as the definitive resource on SEVS. Discusses both the theory and the applications of SEVS and provides an up-to-date study of the state of the art Offers interpretations of SEVS spectra for practicing analysts Discusses interpretation of SEVS spectra, which can often be very different to the non-enhanced spectrum - aids the practicing analyst

The Craft and Science of Coffee

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Publisher : Academic Press
ISBN 13 : 0128035587
Total Pages : 558 pages
Book Rating : 4.1/5 (28 download)

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Book Synopsis The Craft and Science of Coffee by : Britta Folmer

Download or read book The Craft and Science of Coffee written by Britta Folmer and published by Academic Press. This book was released on 2016-12-16 with total page 558 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Craft and Science of Coffee follows the coffee plant from its origins in East Africa to its current role as a global product that influences millions of lives though sustainable development, economics, and consumer desire.For most, coffee is a beloved beverage. However, for some it is also an object of scientifically study, and for others it is approached as a craft, both building on skills and experience. By combining the research and insights of the scientific community and expertise of the crafts people, this unique book brings readers into a sustained and inclusive conversation, one where academic and industrial thought leaders, coffee farmers, and baristas are quoted, each informing and enriching each other.This unusual approach guides the reader on a journey from coffee farmer to roaster, market analyst to barista, in a style that is both rigorous and experience based, universally relevant and personally engaging. From on-farming processes to consumer benefits, the reader is given a deeper appreciation and understanding of coffee's complexity and is invited to form their own educated opinions on the ever changing situation, including potential routes to further shape the coffee future in a responsible manner. - Presents a novel synthesis of coffee research and real-world experience that aids understanding, appreciation, and potential action - Includes contributions from a multitude of experts who address complex subjects with a conversational approach - Provides expert discourse on the coffee calue chain, from agricultural and production practices, sustainability, post-harvest processing, and quality aspects to the economic analysis of the consumer value proposition - Engages with the key challenges of future coffee production and potential solutions

Nitrogen oxides (NOx) why and how they are controlled

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Author :
Publisher : DIANE Publishing
ISBN 13 : 1428902805
Total Pages : 57 pages
Book Rating : 4.4/5 (289 download)

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Book Synopsis Nitrogen oxides (NOx) why and how they are controlled by :

Download or read book Nitrogen oxides (NOx) why and how they are controlled written by and published by DIANE Publishing. This book was released on 1999 with total page 57 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Characterization of Heterogeneous Catalysts

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Author :
Publisher : Marcel Dekker
ISBN 13 :
Total Pages : 432 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Characterization of Heterogeneous Catalysts by : Francis Delannay

Download or read book Characterization of Heterogeneous Catalysts written by Francis Delannay and published by Marcel Dekker. This book was released on 1984 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Plasma Catalysis

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Publisher : MDPI
ISBN 13 : 3038977500
Total Pages : 248 pages
Book Rating : 4.0/5 (389 download)

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Book Synopsis Plasma Catalysis by : Annemie Bogaerts

Download or read book Plasma Catalysis written by Annemie Bogaerts and published by MDPI. This book was released on 2019-04-02 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: Plasma catalysis is gaining increasing interest for various gas conversion applications, such as CO2 conversion into value-added chemicals and fuels, N2 fixation for the synthesis of NH3 or NOx, methane conversion into higher hydrocarbons or oxygenates. It is also widely used for air pollution control (e.g., VOC remediation). Plasma catalysis allows thermodynamically difficult reactions to proceed at ambient pressure and temperature, due to activation of the gas molecules by energetic electrons created in the plasma. However, plasma is very reactive but not selective, and thus a catalyst is needed to improve the selectivity. In spite of the growing interest in plasma catalysis, the underlying mechanisms of the (possible) synergy between plasma and catalyst are not yet fully understood. Indeed, plasma catalysis is quite complicated, as the plasma will affect the catalyst and vice versa. Moreover, due to the reactive plasma environment, the most suitable catalysts will probably be different from thermal catalysts. More research is needed to better understand the plasma–catalyst interactions, in order to further improve the applications.