Experimental Study of Incipiently-sooting Counterflow Diffusion Flames at High Pressures PDF Download
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Author: Lorenzo Figura
Publisher:
ISBN:
Category :
Languages : en
Pages : 362
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Book Description
Author: Lorenzo Figura
Publisher:
ISBN:
Category :
Languages : en
Pages : 362
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Book Description
Author: Gianfilippo Coppola
Publisher:
ISBN:
Category :
Languages : en
Pages : 468
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Book Description
Author: Kenneth Brezinsky
Publisher: Elsevier
ISBN: 0323993109
Category : Science
Languages : en
Pages : 666
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Book Description
As the demands for cleaner, more efficient, reduced and zero carbon emitting transportation increase, the traditional focus of Combustion Chemistry research is stretching and adapting to help provide solutions to these contemporary issues. Combustion Chemistry and the Carbon Neutral Future: What will the Next 25 Years of Research Require? presents a guide to current research in the field and an exploration of possible future steps as we move towards cleaner, greener and reduced carbon combustion chemistry. Beginning with a discussion of engine emissions and soot, the book goes on to discuss a range of alternative fuels, including hydrogen, ammonia, small alcohols and other bio-oxygenates, natural gas, syngas and synthesized hydrocarbon fuels. Methods for predicting and improving efficiency and sustainability, such as low temperature and catalytic combustion, chemical looping, supercritical fluid combustion, and diagnostic monitoring even at high pressure, are then explored. Some novel aspects of biomass derived aviation fuels and combustion synthesis are also covered. Combining the knowledge and experience of an interdisciplinary team of experts in the field, Combustion Chemistry and the Carbon Neutral Future: What will the Next 25 Years of Research Require? is an insightful guide to current and future focus areas for combustion chemistry researchers in line with the transition to greener, cleaner technologies. Provides insight on current developments in combustion chemistry as a tool for supporting a reduced-carbon future Reviews modeling and diagnostic tools, in addition to key approaches and alternative fuels Includes projections for the future from leaders in the field, pointing current and prospective researchers to potentially fruitful areas for exploration
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 33
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Book Description
Infrared spectra of atmospheric pressure counterflow diffusion flames inhibited by Halons and a few of their potential replacements are measured using Fourier transform spectroscopy. Results are compared to spectra of similar flame systems examined at low pressure. It is shown that for atmospheric pressure counterflow diffusion methane/air flames inhibited by CF3Br, CF2H2, and CF4, the two major fluorine-containing combustion products are HF and CF2O. A correlation is shown between flame inhibition efficiency and CF2O formation for atmospheric pressure counterflow diffusion flames inhibited by these Halons. For low-pressure premixed flames inhibited by CF3Br, HF appears to be the only fluorine-containing combustion product, even at relative dopant levels 15 times higher than those capable of extinguishing atmospheric pressure counterflow diffusion flames. The results of these experiments illustrate the need for flame inhibitant testing over a wide spectrum of flame conditions, while providing further evidence that for atmospheric pressure inhibition of real fires by Halons, CF2O may be a good indicator of inhibitor efficiency when that inhibition is at least partly accomplished by chemical scavenging of reactive combustion intermediates. jg p.3.
Author: Leonard F. Truett
Publisher:
ISBN:
Category :
Languages : en
Pages : 272
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Book Description
Author: Chung K. Law
Publisher:
ISBN:
Category : Combustion
Languages : en
Pages : 0
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Book Description
The objective of the present program is to study the structure and response of steady and unsteady laminar premixed and nonpremixed flames in reduced and elevated pressure environments through (a) non-intrusive experimentation, (b) computational simulation using detailed flame and kinetic codes, and (c) asymptotic analysis with reduced kinetic mechanisms. During the reporting period progress has been made in the following projects: (1) a theoretical and experimental study of unsteady diffusion flames; (2) a computational and experimental study of hydrogen/air diffusion flames at sub- and super-atmospheric pressures; (3) an asymptotic analysis of the structure of premixed flames with volumetric heat loss; (4) asymptotic analyses of ignition in the supersonic hydrogen/air mixing layer with reduced mechanisms; (5) a new numerical algorithm for generating the ignition-extinction S-curves. A total of three reprints are appended.
Author: Martina Baroncelli
Publisher:
ISBN: 9783844081404
Category :
Languages : en
Pages : 0
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Book Description
Author: James Stephen Kistler
Publisher:
ISBN:
Category :
Languages : en
Pages : 210
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Book Description
Author: T. M. Brown
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: C. K. Law
Publisher:
ISBN:
Category :
Languages : en
Pages : 139
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Book Description
The objective of the present program is to study the structure and response of steady and unsteady laminar premixed and nonpremixed flames in reduced and elevated pressure environments through (a) non-intrusive experimentation, (b) computational simulation using detailed flame and kinetic codes, and (c) asymptotic analysis with reduced kinetic mechanisms. During the reporting period progress has been made in the following projects: (1) a theoretical and experimental study of unsteady diffusion flames; (2) a computational and experimental study of methane/air flames at elevated pressures; (3) an asymptotic analysis of the structure of methane/air premixed flames with reduced chemistry; (4) an asymptotic analysis of the extinction of laminar premixed flames with volumetric heat loss and chain mechanisms; and (5) asymptotic analyses of ignition in the supersonic laminar flat-plate boundary layer and mixing layer. A total of five reprints are appended. Flames, High-pressure combustion, Unsteady combustion, Reduced mechanisms, Methane-air flames, Extinction, Supersonic combustion.
