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Sunday, May 10, 2020 | History

2 edition of Schlieren study of composite propellant combustion found in the catalog.

Schlieren study of composite propellant combustion

by Robert Ross Gerhardt

  • 299 Want to read
  • 31 Currently reading

Published .
Written in English

    Subjects:
  • Aeronautics

  • The Physical Object
    Paginationp. ;
    ID Numbers
    Open LibraryOL25326921M

    The ballistics of a composite propellant can be improved by adding a catalyst such as Ferric Oxide (Fe 2 O 3), Copper Oxide (CuO), Copper Chromite ( 2 O 3), Nickel Oxide (NiO), etc., which accelerates the rate of decomposition of AP. The primary use of Ammonium Perchlorate, NH 4 CLO 4, is as an oxidant in solid propellants. The particle Cited by: 1.   Clearly structured, the first half of the book presents an introduction to pyrodynamics, describing fundamental aspects of the combustion of energetic materials, while the second part highlights applications of energetic materials, such as propellants, explosives and pyrolants, with a focus on the phenomena occurring in rocket : Kubota, Naminosuke.

    Ammonium perchlorate composite propellant is typically used in aerospace propulsion applications, where simplicity and reliability are desired and specific impulses (depending on the composition and operating pressure) of – seconds are adequate.   Ninth Symposium (International) on Combustion covers the proceedings of the Ninth Symposium (International) on Combustion, held at Cornell University in Ithaca, New York on August 27 to September 1, , under the auspices of the Combustion Institute. The book focuses on the processes and reactions involved in Edition: 1.

      This third edition of the classic on the thermochemical aspects of the combustion of propellants and explosives is completely revised and updated and now includes a section on green propellants and offers an up-to-date view of the thermochemical aspects of combustion and corresponding applications. Clearly structured, the first half of the book presents an introduction to Author: Naminosuke Kubota.   The book also goes on to discuss the combustion mechanisms of various types of energetic materials, propellants, and explosives, based on the heat transfer process in the combustion waves. The burning rate models are also presented as an aid to understanding the rate-controlling steps of combustion processes, thus demonstrating the 3/5(1).


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Schlieren study of composite propellant combustion by Robert Ross Gerhardt Download PDF EPUB FB2

Otionpictures werestudied to determine the effects of pressure onthe burningstrand particular,localdeflagrationphenomena ofthe. Combustion in the turbulent boundary layer on a vaporizing surface Symposium (International) on Combustion, Vol.

10, No. 1 A Porous Plug Burner Technique for the Study of Composite Solid Propellant Deflagration on a Fundamental Level Cited by:   American Institute of Aeronautics and Astronautics Sunrise Valley Drive, Suite Reston, VA Cited by: 7.

Enter the password to open this PDF file: Cancel OK. File name:. Ammonium perchlorate (AP) is the most widely used crystalline oxidizer to formulate composite propellants for rockets. In order to clarify the combustion wave structure of AP composite propellants, photographic observations of the gas phase at low pressure are very informative.

32 Lalith V. Kakumanu et al.: Combustion Study of Composite Solid Propellants Containing Metal Phthalocyanines composite solid propellants. Combustion study of solid propellants containing various contents of MPcs have been investigated and an effort has been made to obtain detailedFile Size: KB.

Clearly structured, the first half of the book presents an introduction to pyrodynamics, describing fundamental aspects of the combustion of energetic materials, while the second part highlights applications of energetic materials, such as propellants, explosives and pyrolants, with a focus on the phenomena occurring in rocket motors.

Introduction. Ammonium Perchlorate (AP) is widely used as an oxidizer in composite solid propellants. The ballistics of a composite propellant can be improved by adding a catalyst such as Ferric Oxide (Fe 2 O 3), Copper Oxide (CuO), Copper Chromite ( 2 O 3), Nickel Oxide (NiO), etc., which accelerates the rate of decomposition of primary use of Ammonium Perchlorate, NH 4 Cited by: 1.

In the composite propellant field, particular mention is made of pressed charges based on ammonium nitrate as the oxidizer, and on plastic propellants based on ammonium perchlorate as the oxidizer.

Present limitations on burning rates are discussed, and the modification of burning rate by the addition of lower energy materials, such as. Jayaraman K., Boopathy G.

() Aluminum Agglomerate Size Measurements in Composite Propellant Combustion. In: Bajpai R., Chandrasekhar U. (eds) Innovative Design and Development Practices in Aerospace and Automotive Engineering.

Lecture Notes in Mechanical Engineering. Springer, Singapore. First Online 18 September Cited by: 1. In this study, the ignition and combustion characteristics of ADN based liquid propellants in different oxidizing gas atmospheres were studied by experimental method.

The ignition and combustion processes were recorded by two high speed cameras according directly recorded and schlieren Author: Hong-Meng Li, Guo-Xiu Li, Lei Li, Zhao-Pu Yao.

Combustion Products of Propellants and Ammunition midgets did not feel too happy in the confines of their tank turret and driver’s compartment.

Bad ventila-tion in the cramped interior caused fatigue and ex-haustion, reducing combat efficiency and endurance. In fact, Arab tank crews, overcome by File Size: KB.

An experimental investigation of nonmetallized composite propellant combustion in standard and high acceleration environments was made. Pressed ammonium perchlorate (AP) pellets of varying purity, AP/binder sandwich burners, and propellant strands were employed.

The Investigation in Combustion of Energetic Materials (InCoME) program is aimed at validating the numerical simulation of composite propellant combustion using nonintrusive optical techniques.

Further improvement in Propellants Problems encountered 1. Bright muzzle flash 2. Large quantity of smoke 3. Hygroscopicity 4. The solid residue was corrosive and has to be removed after every firing After Alfred Nobel introduced NC-NG based double base propellant, there emerged a group of solid propellants called composite propellants.

and color schlieren were taken in a conventional combustion bomb. As- One experimental technique currently being used to study composite propellant combustion consists of concurrent use of high speed motion pictures and rapid quenching of propellant sandwiches (26, 28, 33, etc).Cited by: 2.

To study the mechanical properties of lithium‐perchlorate/polyvinyl alcohol‐based aluminized electrically controlled solid propellant (LP/PVA‐Al‐ECSP), the effects of Al particle size.

A schlieren system equipped with an argon laser was used to study the flame structure. High speed monochromatic motion pictures of solid propellant were taken during combustion, and ammonium perchlorate-binder interactions were investigated.

Purchase Heterogeneous Combustion, Volume 15 - 1st Edition. Print Book & E-Book. ISBNBook Edition: 1. Schlieren and shadowgraph techniques are used around the world for imaging and measuring phenomena in transparent media. These optical methods originated long ago in parallel with telescopes and microscopes, and although it might seem that little new could be expected of them on the timescale of 15 years, in fact several important things have happened that are reviewed by:.

B. Schlieren Study of AP and AP-Binder Sandwich Combustion B.l. Data Summary B Ammonium Perchlorate Deflagration If adequate modeling of propellant combustion is to be obtained, the answers to these questions are required. In addition, much speculation still exists concerning the effects of lized composite propellantsr Netzer (10).Composite Solid Propellants under Elevated Conditions [1] Pallavi Gajjar, [2] chemical and mechanical properties of propellant, combustion gas conditions, and rocket operating conditions.

controlling parameters in composite solid propellants. The first part of the study is devoted to evaluating the optimum.Influence of structure of polymeric fuels on the combustion behaviour of composite solid propellants.

Fuel75 (7), DOI: /(96)Cited by: