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A Sectored One Dimensional Model For Simulationg Combustion Instabilitites In Pre Mix Combustors
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Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781721198214 Total Pages :32 pages Book Rating :4.1/5 (982 download)
Book Synopsis A Sectored-One-Dimensional Model for Simulating Combustion Instabilities in Premix Combustors by : National Aeronautics and Space Administration (NASA)
Download or read book A Sectored-One-Dimensional Model for Simulating Combustion Instabilities in Premix Combustors written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-06-15 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: A one-dimensional, CFD based combustor simulation has been developed that exhibits self-excited, thermoacoustic oscillations in premixed combustor geometries that typically have large, abrupt changes in cross sectional area. The combustor geometry is approximated by dividing it into a finite number of one-dimensional sectors. Within each sector, the equations of motion are integrated numerically, along with a species transport and a reaction equation. Across the sectors, mass and energy are conserved, and momentum loss is prescribed using appropriately compatible boundary conditions that account for the area change. The resulting simulation and associated boundary conditions essentially represent a one-dimensional, multi-block technique. Details of the simulation code are presented herein. Results are then shown comparing experimentally observed and simulated operation of a particular combustor rig that exhibited different instabilities at different operating points. It will be shown that the simulation closely matched the rig data in oscillation amplitudes, frequencies, and operating points at which the instabilities occurred. Finally, advantages and limitations of the simulation technique are discussed. Paxson, Daniel E. Glenn Research Center NASA/TM-1999-209771, NAS 1.15:209771, AIAA Paper 2000-0313, E-12051
Book Synopsis A Sectored-One-Dimensional Model for Simulating Combustion Instabilities in Premix Combustors by : Daniel E. Paxson
Download or read book A Sectored-One-Dimensional Model for Simulating Combustion Instabilities in Premix Combustors written by Daniel E. Paxson and published by . This book was released on 1999 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Sectored One-dimensional Model for Simulationg Combustion Instabilitites in Pre-mix Combustors by : Daniel E. Paxson
Download or read book A Sectored One-dimensional Model for Simulationg Combustion Instabilitites in Pre-mix Combustors written by Daniel E. Paxson and published by . This book was released on 2000 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis 41st AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit 10-13 July 2005, Tucson, Arizona: 05-4300 - 05-4349 by :
Download or read book 41st AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit 10-13 July 2005, Tucson, Arizona: 05-4300 - 05-4349 written by and published by . This book was released on 2005 with total page 550 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Active Control of High Frequency Combustion Instability in Aircraft Gas-Turbine Engines by :
Download or read book Active Control of High Frequency Combustion Instability in Aircraft Gas-Turbine Engines written by and published by . This book was released on 2003 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Combustion Instability Limits Determined by a Nonlinear Theory and a One-dimensional Model by : Richard J. Priem
Download or read book Combustion Instability Limits Determined by a Nonlinear Theory and a One-dimensional Model written by Richard J. Priem and published by . This book was released on 1962 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Combustor Model for Control-oriented Simulation of Combustion Instabilities by : Rajendran Mohanraj
Download or read book A Combustor Model for Control-oriented Simulation of Combustion Instabilities written by Rajendran Mohanraj and published by . This book was released on 1997 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A One-dimensional Model of Ramjet Combustion Instability by : R. Bhatia
Download or read book A One-dimensional Model of Ramjet Combustion Instability written by R. Bhatia and published by . This book was released on 1990 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Control of Thermo-Acoustics Instabilities: The Multi-Scale Extended Kalman Approach by :
Download or read book Control of Thermo-Acoustics Instabilities: The Multi-Scale Extended Kalman Approach written by and published by . This book was released on 2003 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Turbulent Combustion Modeling by : Tarek Echekki
Download or read book Turbulent Combustion Modeling written by Tarek Echekki and published by Springer Science & Business Media. This book was released on 2010-12-25 with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt: Turbulent combustion sits at the interface of two important nonlinear, multiscale phenomena: chemistry and turbulence. Its study is extremely timely in view of the need to develop new combustion technologies in order to address challenges associated with climate change, energy source uncertainty, and air pollution. Despite the fact that modeling of turbulent combustion is a subject that has been researched for a number of years, its complexity implies that key issues are still eluding, and a theoretical description that is accurate enough to make turbulent combustion models rigorous and quantitative for industrial use is still lacking. In this book, prominent experts review most of the available approaches in modeling turbulent combustion, with particular focus on the exploding increase in computational resources that has allowed the simulation of increasingly detailed phenomena. The relevant algorithms are presented, the theoretical methods are explained, and various application examples are given. The book is intended for a relatively broad audience, including seasoned researchers and graduate students in engineering, applied mathematics and computational science, engine designers and computational fluid dynamics (CFD) practitioners, scientists at funding agencies, and anyone wishing to understand the state-of-the-art and the future directions of this scientifically challenging and practically important field.
Book Synopsis Modeling and Simulation of Turbulent Combustion by : Santanu De
Download or read book Modeling and Simulation of Turbulent Combustion written by Santanu De and published by Springer. This book was released on 2017-12-12 with total page 663 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Using the NASA GRC sectored-one-dimensional combustor simulation by : Vishal R. Mehta
Download or read book Using the NASA GRC sectored-one-dimensional combustor simulation written by Vishal R. Mehta and published by . This book was released on 2014 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Timothy C. Lieuwen Publisher :AIAA (American Institute of Aeronautics & Astronautics) ISBN 13 : Total Pages :688 pages Book Rating :4.3/5 (91 download)
Book Synopsis Combustion Instabilities in Gas Turbine Engines by : Timothy C. Lieuwen
Download or read book Combustion Instabilities in Gas Turbine Engines written by Timothy C. Lieuwen and published by AIAA (American Institute of Aeronautics & Astronautics). This book was released on 2005 with total page 688 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book offers gas turbine users and manufacturers a valuable resource to help them sort through issues associated with combustion instabilities. In the last ten years, substantial efforts have been made in the industrial, governmental, and academic communities to understand the unique issues associated with combustion instabilities in low-emission gas turbines. The objective of this book is to compile these results into a series of chapters that address the various facets of the problem. The Case Studies section speaks to specific manufacturer and user experiences with combustion instabilities in the development stage and in fielded turbine engines. The book then goes on to examine The Fundamental Mechanisms, The Combustor Modeling, and Control Approaches.
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1978 with total page 1018 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Active Combustion Control for Aircraft Gas Turbine Engines by :
Download or read book Active Combustion Control for Aircraft Gas Turbine Engines written by and published by . This book was released on 2000 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Aerospace America written by and published by . This book was released on 1999 with total page 646 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis One-dimensional Numerical Simulation of a Pulse Combustor Using the Linear Eddy Mixing Model by : R. Erickson
Download or read book One-dimensional Numerical Simulation of a Pulse Combustor Using the Linear Eddy Mixing Model written by R. Erickson and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
