A Computational Study of the Chemical Kinetics of Hydrogen Combustion

A Computational Study of the Chemical Kinetics of Hydrogen Combustion PDF Author: T. L. Burks
Publisher:
ISBN:
Category : Chemical kinetics
Languages : en
Pages : 70

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Book Description
A set of elementary reactions and their corresponding rate coefficients has been assembled to describe the homogeneous H2-O2 reaction system over the temperature range 300-3000 K. The reaction mechanism was drawn together assuming that H2-O2 reactive mixtures could be adequately described in terms of self-consistent, thermal distributions of electronically neutral, ground-state reactants, intermediates and products. The resulting time-dependent ordinary differential equations describing the system were integrated assuming various initial pressures, temperatures and initial concentrations of reactants and diluents. The computed results have been compared with experimentally observed induction times, second explosion limits, the rate of reaction above the second explosion limit and the temporal behavior of reaction species. The good agreement between the computational and experimental results attests to the accuracy of the assembled mechanism in its description of the homogeneous reaction system and supports the validity of the set of associated rate coefficients for the elementary reactions of the mechanism over a broad range of reaction conditions. (Author).

A Computational Study of the Chemical Kinetics of Hydrogen Combustion

A Computational Study of the Chemical Kinetics of Hydrogen Combustion PDF Author: T. L. Burks
Publisher:
ISBN:
Category : Chemical kinetics
Languages : en
Pages : 70

Get Book Here

Book Description
A set of elementary reactions and their corresponding rate coefficients has been assembled to describe the homogeneous H2-O2 reaction system over the temperature range 300-3000 K. The reaction mechanism was drawn together assuming that H2-O2 reactive mixtures could be adequately described in terms of self-consistent, thermal distributions of electronically neutral, ground-state reactants, intermediates and products. The resulting time-dependent ordinary differential equations describing the system were integrated assuming various initial pressures, temperatures and initial concentrations of reactants and diluents. The computed results have been compared with experimentally observed induction times, second explosion limits, the rate of reaction above the second explosion limit and the temporal behavior of reaction species. The good agreement between the computational and experimental results attests to the accuracy of the assembled mechanism in its description of the homogeneous reaction system and supports the validity of the set of associated rate coefficients for the elementary reactions of the mechanism over a broad range of reaction conditions. (Author).

Energy Research Abstracts

Energy Research Abstracts PDF Author:
Publisher:
ISBN:
Category : Power resources
Languages : en
Pages : 852

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Scientific and Technical Aerospace Reports

Scientific and Technical Aerospace Reports PDF Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 702

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Modeling and Simulation of Turbulent Combustion

Modeling and Simulation of Turbulent Combustion PDF Author: Santanu De
Publisher: Springer
ISBN: 9811074100
Category : Science
Languages : en
Pages : 663

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Book Description
This book presents a comprehensive review of state-of-the-art models for turbulent combustion, with special emphasis on the theory, development and applications of combustion models in practical combustion systems. It simplifies the complex multi-scale and nonlinear interaction between chemistry and turbulence to allow a broader audience to understand the modeling and numerical simulations of turbulent combustion, which remains at the forefront of research due to its industrial relevance. Further, the book provides a holistic view by covering a diverse range of basic and advanced topics—from the fundamentals of turbulence–chemistry interactions, role of high-performance computing in combustion simulations, and optimization and reduction techniques for chemical kinetics, to state-of-the-art modeling strategies for turbulent premixed and nonpremixed combustion and their applications in engineering contexts.

Unsteady Combustor Physics

Unsteady Combustor Physics PDF Author: Tim C. Lieuwen
Publisher: Cambridge University Press
ISBN: 1139576836
Category : Technology & Engineering
Languages : en
Pages : 427

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Book Description
Developing clean, sustainable energy systems is a pre-eminent issue of our time. Most projections indicate that combustion-based energy conversion systems will continue to be the predominant approach for the majority of our energy usage. Unsteady combustor issues present the key challenge associated with the development of clean, high-efficiency combustion systems such as those used for power generation, heating or propulsion applications. This comprehensive study is unique, treating the subject in a systematic manner. Although this book focuses on unsteady combusting flows, it places particular emphasis on the system dynamics that occur at the intersection of the combustion, fluid mechanics and acoustic disciplines. Individuals with a background in fluid mechanics and combustion will find this book to be an incomparable study that synthesises these fields into a coherent understanding of the intrinsically unsteady processes in combustors.

Joint Meeting of the U.S. Sections of the Combustion Institute, Western States, Central States, Eastern States

Joint Meeting of the U.S. Sections of the Combustion Institute, Western States, Central States, Eastern States PDF Author:
Publisher:
ISBN:
Category : Combustion
Languages : en
Pages : 954

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Thermo-Gas Dynamics of Hydrogen Combustion and Explosion

Thermo-Gas Dynamics of Hydrogen Combustion and Explosion PDF Author: Boris E. Gelfand
Publisher: Springer Science & Business Media
ISBN: 3642253512
Category : Science
Languages : en
Pages : 339

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Book Description
The potential of hydrogen as an important future energy source has generated fresh interest in the study of hydrogenous gas mixtures. Indeed, both its high caloricity and reactivity are unique properties, the latter underscoring safety considerations when handling such mixtures. The present monograph is devoted to the various aspects of hydrogen combustion and explosion processes. In addition to theoretical and phenomenological considerations, this work also collates the results of many experiments from less well known sources. The text reviews the literature in this respect, thereby providing valuable information about the thermo-gas-dynamical parameters of combustion processes for selected experimental settings in a range of scientific and industrial applications.

Fossil Energy Update

Fossil Energy Update PDF Author:
Publisher:
ISBN:
Category : Fossil fuels
Languages : en
Pages : 952

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32nd Aerospace Sciences Meeting & Exhibit: 94-0640 - 94-0669

32nd Aerospace Sciences Meeting & Exhibit: 94-0640 - 94-0669 PDF Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 498

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Chemical and Physical Processes in Combustion

Chemical and Physical Processes in Combustion PDF Author: Combustion Institute (U.S.). Eastern States Section. Fall Technical Meeting
Publisher:
ISBN:
Category : Combustion
Languages : en
Pages : 468

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Book Description