Modeling of Rigidized Gun Propelling Charges PDF Download
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Author: Paul S. Gough
Publisher:
ISBN:
Category :
Languages : en
Pages : 207
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Book Description
The TDNOVA code was developed to simulate the interior ballistics of multi-increment propelling charges by means of a numerical solution of the equations of two-dimensional, two-phase flow. The present work describes extensions to the code, primarily to permit the simulation of rigidized stick propellant charges, and secondarily to explore the ballistic consequences of heat loss to the tuber and of slow gas-phase kinetics. (Author).
Author: Paul S. Gough
Publisher:
ISBN:
Category :
Languages : en
Pages : 207
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Book Description
The TDNOVA code was developed to simulate the interior ballistics of multi-increment propelling charges by means of a numerical solution of the equations of two-dimensional, two-phase flow. The present work describes extensions to the code, primarily to permit the simulation of rigidized stick propellant charges, and secondarily to explore the ballistic consequences of heat loss to the tuber and of slow gas-phase kinetics. (Author).
Author:
Publisher:
ISBN:
Category : Engineering mathematics
Languages : en
Pages : 948
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Book Description
Author: Ludwig Stiefel
Publisher: AIAA (American Institute of Aeronautics & Astronautics)
ISBN:
Category : Crafts & Hobbies
Languages : en
Pages : 600
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Book Description
Author: Günter Klingenberg
Publisher: AIAA (American Institute of Aeronautics & Astronautics)
ISBN:
Category : History
Languages : en
Pages : 598
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Book Description
This book presents, for the first time, a comprehensive and up-to-date treatment of gun muzzle blast and flash. It describes the gas dynamics involved, modern propulsion systems, flow development, chemical kinetics, and reaction networks of flash suppression additives as well as historical work. In addition, the text presents data to support a revolutionary viewpoint of secondary flash ignition and suppression. The book is written for practitioners and novices in the flash suppression field: engineers, scientists, researchers, ballisticians, propellant designers, and those involved in signature detection or suppression.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 24
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Book Description
Gun and ammunition designers typically employ various models initially to evaluate preliminary design concepts and ultimately to make specific decisions regarding the design and optimization of both individual components and all-up weapon systems. A wide range of computerized models exists today to address virtually every aspect of this process; in particular, the propelling charge designer has available several levels of interior ballistic models. These range from rather simple lumped-parameter models, providing basic performance data such as muzzle velocity and peak pressure and which run quickly on personal computers, to very complex multidimensional, multiphase flow models capable of describing the details of flamespreading, grain motion, and the formation of pressure waves, but employ specialized and occasionally unavailable input for propellant, charge, and gun parameters and require many hours on a workstation or supercomputer to complete the simulation. This report addresses the increasing level of physics and thus range of applicability to problems of increasing sophistication associated with three of today's most popular interior ballistic models: the lumped-parameter IBHVG2 code, the one-dimensional, two-phase flow XKTC code, and the state-of-the-art multidimensional, multiphase flow NGEN3 code. Recommendations are made with respect to the appropriate use of each of these highly useful tools, as well as the transferability of input data and comparability of results so obtained.
Author: Rand Decker
Publisher:
ISBN:
Category : Fluid dynamics (Space environment)
Languages : en
Pages : 208
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Book Description
Author:
Publisher:
ISBN:
Category : Ballistics
Languages : en
Pages : 656
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Book Description
Author: Paul S. Gough
Publisher:
ISBN:
Category :
Languages : en
Pages : 249
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Book Description
The TDNOVA code provides a simulation of interior ballistic phenomena in guns. Interest is focussed on flamespreading through the charge and the development of pressure waves within the gun chamber. The code is designed to address the manner in which these phenomena are influenced by such details to design as the distribution of the igniter elements, the distribution of ullage, and the permeability, reactivity and strength of the containers used to package each of the charge increments. The model is based on a numerical solution of the governing equations of the macroscopic equations of two-phase heterogeneous flow with embedded discontinuities. The code is intended to be broadly applicable to gun propelling charges in general, however, medium caliber artillery charges have been of special interests. The principal objective of this report is to demonstrate the application of TDNOVA to a number of artillery charges of current interest. We discuss the representation of each of the charges by TDNOVA, the degree to which the simulation is affected by the numerical solution technique, and the sensitivity of the solutions to certain aspects of the packaging of the charge.
Author:
Publisher:
ISBN:
Category : Airplanes
Languages : en
Pages : 500
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Book Description
Author:
Publisher:
ISBN:
Category : Ballistics
Languages : en
Pages : 878
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Book Description
