Navier Stokes Computations For A Reacting M864 Base Bleed Projectile
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Navier Stokes Computations For A Reacting M864 Base Bleed Projectile
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Author : Charles J. Nietubicz
language : en
Publisher:
Release Date : 1993
Navier Stokes Computations For A Reacting M864 Base Bleed Projectile written by Charles J. Nietubicz and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with categories.
Navier Stokes Computations For A Reacting M864 Base Bleed Projectile
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Author :
language : en
Publisher:
Release Date : 1995
Navier Stokes Computations For A Reacting M864 Base Bleed Projectile written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with categories.
The M864 projectile is an extended range design which includes both a dome base cavity and a base burn capability. The extended range is accomplished through the injection of hot, fuel-rich gas which burns in the initially low-pressure base region. The present analysis utilizes a Navier-Stokes computational technique which includes finite rate chemistry to model the reacting base flow region for the M864. Calculations have been performed for the full projectile configuration, including the base region for a Mach number range of 0.8
Analysis Of The Flight Performance Of The 155 Mm M864 Base Burn Projectile
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Author :
language : en
Publisher:
Release Date : 1990
Analysis Of The Flight Performance Of The 155 Mm M864 Base Burn Projectile written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with categories.
An engineering model has been developed to compute the flight performance of the M864 base burn projectile. This model includes the coupled performance of the gas generator, effects of injected mass flow on the aerodynamics, and a modified point mass trajectory simulation. The gas generator model is based on measured burn rates and basic fluid dynamics. The discharge rate of the generator is calibrated against laboratory experiments. Effects of spin on burn rate are deduced from comparison of analysis with spin fixture tests. Linear and first order nonlinear effects of mass injection on base pressure are the basis for evaluation of base drag. Navier-Stokes solutions near the base with air injection provides essential data. Correlation equations predict base pressure as a function of Mach number, injection rate, and propellant gas temperature. Temperature effects on base pressure are a unique feature of the analysis. Keywords: Injection of combustion products, Base burn, Base bleed, Spin, Trajectory, Navier-Stokes computations, Solid propellant.
Innovations In Sustainable Energy And Cleaner Environment
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Author : Ashwani K. Gupta
language : en
Publisher: Springer
Release Date : 2019-07-19
Innovations In Sustainable Energy And Cleaner Environment written by Ashwani K. Gupta and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-07-19 with Technology & Engineering categories.
This book covers the state-of-the-art advances in several areas of energy, combustion, power, propulsion, and environment, focusing on the use of conventional and alternative fuels. It presents novel developments in the areas of biofuels and value added products from various feedstock materials, along with thermal management, emission control and environmental issues from energy conversion. Written by internationally renowned experts, the chapters in this volume cover the latest fundamental and applied research innovations on cleaner energy utilization for a wide range of devices extending from micro scale energy conversion to hypersonic propulsion using hydrocarbon fuels. The book will be useful as a ready reference for managers and practicing and research engineers, as well as graduate students and research organizations and institutions.
Navier Stokes Computations Of Projectile Base Flow At Transonic Speeds With And Without Base Injection
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Author : J. Sahu
language : en
Publisher:
Release Date : 1983
Navier Stokes Computations Of Projectile Base Flow At Transonic Speeds With And Without Base Injection written by J. Sahu and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with categories.
A computational capability has been developed for predicting the flow field about the entire projectile, including the recirculatory base flow, at transonic speeds. Additionally, the computer code allows mass injection at the projectile base and hence is used to show the effects of base bleed on base drag. Computations have been made for a secant-ogive-cylinder projectile for a series of Mach numbers in the transonic flow regime. Computed results show the qualitative and quantitative nature of base flow with and without base bleed. The reduction in base drag with base bleed is clearly predicted for various mass injection rates and for Mach numbers .9
Projectile Base Bleed Technology Part 2 User S Guide Cmint Computer Code Version 5 04 Brl
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Author :
language : en
Publisher:
Release Date : 1992
Projectile Base Bleed Technology Part 2 User S Guide Cmint Computer Code Version 5 04 Brl written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with categories.
Detailed finite rate chemistry models for H2 and H2-CO combustion have been incorporated into a Navier-Stokes computer code and applied to flow field simulation in the base region of an M864 base burning projectile. Results without base injection were obtained using a low Reynolds number k-epsilon turbulence model and several mixing length turbulence models. The results with base injection utilized only the Baldwin-Lomax model for the Projectile forebody and the Chow wake mixing model downstream of the projectile base. A validation calculation was performed for a supersonic hydrogen-air burner using an H2 reaction set which is a subset of the H2-CO reaction set developed for the base combustion modeling. The comparison with the-available experimental data was good, and provides a level of validation for the technique and code developed Projectile base injection calculations were performed for a flat base M864 projectile at M infinity = 2. Hot air injection, H2 injection and H2-CO injection were modeled, and computed results show reasonable trends in the base pressure increase (base drag reduction), base corner expansion and downstream wake closure location.
31st Aerospace Sciences Meeting And Exhibit 93 0500 93 0539
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Author :
language : en
Publisher:
Release Date : 1993
31st Aerospace Sciences Meeting And Exhibit 93 0500 93 0539 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Aeronautics categories.
Aiaa Journal
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Author : American Institute of Aeronautics and Astronautics
language : en
Publisher:
Release Date : 1996
Aiaa Journal written by American Institute of Aeronautics and Astronautics and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Aeronautics categories.
Acta Polytechnica Scandinavica
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Author :
language : en
Publisher:
Release Date : 2000
Acta Polytechnica Scandinavica written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Mechanical engineering categories.
Base Bleed
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Author : Kenneth K. Kuo
language : en
Publisher: Taylor & Francis
Release Date : 1991
Base Bleed written by Kenneth K. Kuo and has been published by Taylor & Francis this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Science categories.
Includes papers presented at a symposium, which represent the state-of-the-art in the development of base bleed projectiles and related research, and are from recognized experts in the field. The papers have undergone a thorough review process.