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Tuesday, May 12, 2020 | History

2 edition of An experimental investigation of the internal ballistics of solid fuel ramjets found in the catalog.

An experimental investigation of the internal ballistics of solid fuel ramjets

by Joseph Theodore Phaneuf

  • 382 Want to read
  • 34 Currently reading

Published by Naval Postgraduate School in Monterey, California .
Written in English

    Subjects:
  • Aeronautics

  • ID Numbers
    Open LibraryOL25327227M

    Interior ballistics: a text book for the use of cadets at the U.S. Naval academy, ([Baltimore, Md., Press and bindery of I. Friedenwald], ), by John Forsyth Meigs, Émile Sarrau, and Royal Rodney Ingersoll (page images at HathiTrust). Aug 20,  · A lab-scale ramjet combustor was designed and built and a parametric investigation was conducted. The test facility included also an air heater to simulate flight conditions. More than valid tests were conducted, varying the gel fuel type, motor length, air bypass ratio, and dr-peshev.com by: 1.

    The principles of construction and operation of a solid-fuel ramjet assisted gun- launched projectile are briefly explained. A concise global-survey of the projects on solid-fuel ramjet powered missiles is presented. Pseudovacuum trajectory is a ballistic trajectory in air of a powered projectile where the thrust always balances the drag. Easy and accurate predictability and insensitiveness to. For atmospheric flight at speeds above Mach 3, and even for M ramjets and air-augmented rockets. Many ramjet-powered vehicles have been developed (see, e. g., Refs. 1–3), including a successful experimental Author: Gordon L. Dugger.

    Containing Fuels for Solid Fuel Ramjets. A. Karadimitris, C. Scott II and D. Netzer, Naval Postgraduate School; and A. Gany, Technion—Israel Institute of Technology (7, 3, p. ) Article B Experimental and Computational Investigation of Isothermal Swirling Flow in an Axisymmetric Dump Combus-tor. S. C. Favaloro, Aeronautical Research. Internal Ballistics of Boron Containing Solid Fuel Ramjet: Bresler Jacob: MSc: Experimental Investigation of a Supersonic Combustion Solid Fuel Ramjet: Investigation of the Combustion of Solid Fuel at Supersonic Flow Conditions in a Ramijet Engine: Khalupovich Yuliya: MSc: Navier-Stokes Solution of Supersonic Flow Over a.


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An experimental investigation of the internal ballistics of solid fuel ramjets by Joseph Theodore Phaneuf Download PDF EPUB FB2

Abstract: An experimental investigation of the internal ballistics of solid fuel ramjets was conducted in order to determine the effects of inlet step size, inlet velocity and wall blowing on flow characteristics behind a backward facing step inlet.

It was shown that the reattachment point (zone) moves toward the step inlet with wall mass addition at a constant inlet mass flux. An experimental investigation of the internal ballistics of solid fuel ramjets.

Item Preview remove-circle Share or Embed This Item. EMBED. EMBED (for dr-peshev.com hosted blogs and dr-peshev.com item tags) Want more.

Advanced embedding details, examples, and help. favorite. share Pages: SPONSORING MILITARY ACTIVITY Naval Postgraduate School Monterey, California *10 An experimental investigation of the internal ballistics of solid fuel ramjets was conducted in order to determine the regression rate of the fuel as a function of chamber pressure, inlet air temperature, and air flux rate, and to model the flow in solid fuel.

thatarepertinenttotheinternalballisticsofsolidfuel dr-peshev.comicareas are flov; and heat transfer in- ducts with a backwardfacing step,flame stabilization in high.

Approved for public release; distribution dr-peshev.com experimental investigation of the internal ballistics of solid fuel ramjets was conducted in order to determine the regression rate of the fuel as a function of chamber pressure, inlet air temperature, and air flux rate, and to model the flow in solid fuel ramjets which use sudden expansion flameholders at the dr-peshev.com: Lowell David Boaz.

Calhoun: The NPS Institutional Archive Theses and Dissertations Thesis Collection An experimental investigation of the combustion behavior of solid fuel ramjets. In order to study the effect of chamber geometry on regression rate, the air mass flux keeps constant in the numerical investigation as shown in Table 2.

In the experimental investigation, only cases 1–3 keeps the same air mass flux, as shown in Table dr-peshev.com by: 7.

An experimental investigation of the internal ballistics of solid fuel ramjets was conducted in order to determine the effects of inlet step size, inlet velocity and wall blowing on flow characteristics behind a backward facing step inlet.

An experimental parametric investigation of a solid-fuel supersonic combustion chamber in a scramjet configuration was dr-peshev.com: Alon Gany. Experimental investigation on the effect of swirling flow on combustion characteristics and performance of solid fuel ramjet the combustion is self-controlled according to the flight conditions and the internal design of the engine.

SFRJ basically consists of air and specific thrust of the solid-fuel ramjets by using the swirler Cited by: 6. Approved for public release; distribution is unlimitedAn experimental investigation of the internal ballistics of solid fuel ramjets was conducted in order to more adequately define the pertinent variables in combustor dr-peshev.com: III Charles Ernest Jones.

Used widely in the defence industry as propulsion units for Unmanned Aerial Vehicles (UAV) or drones, air breathing solid fuel ramjets operate in a similar way to conventional ramjets but are simpler. Unlike a solid fuel rocket, the fuel is inert and isn’t used as a propellant but is burnt as part of the combustion process in the same way as.

An experimental investigation of the mechanisms involved in combustion pressure oscillations in bypass flow configured solid fuel ramjets was conducted.

Testing was done using cylindrically perforated polymethylmethacrylate fuel grains in a solid fuel ramjet with opposed dumps into a plenum ahead of an axial dump combustor inlet. A novel internal ballistics technique for determining the time-resolved spatially averaged regression rate of the solid-fuel grain in a hybrid rocket engine is presented.

A comprehensive experimental investigation aimed at the examination of a solid fuel ramjet (SFRJ) regulation concept using an air-division valve has been conducted. By controlling the ratio between. An experimental investigation of combustion pressure oscillations in solid fuel ramjets.

by Parafiorito, Ted MichaelPages: In this work, numerical modelling of solid fuel ramjet engine is carried out for PMMA as a fuel.

A simple model for gasification rate is used in order to describe the solid fuel decomposition under the incident heat flux. Reacting multicomponent gas equations are solved by a low-dissipation.

Solid fuel ramjets (SFRJ) are known for their operational simplicity and high specific impulse. The performance of the SFRJ propulsion system is directly tied to the energy density and combustion behavior of the dr-peshev.com by: Projects on Solid Fuel Ramjets.

SFRJ has been a propulsion system of research-interest at least for the last thirty years. Based on open literature, the countries which are taking interest in SFRJ application in missile system are China (Taiwan), Germany, Israel, Netherlands, Russia.

Experimental investigation of the combustion products in an aluminised solid propellant. So understanding of aluminium combustion behaviour during solid propellant burning is significant when improving internal ballistic performance.

Recent developments and experimental results reported on such combustion behaviour are presented in this Cited by:. Home / / Natan, Benveniste (Benny) Click here and register! Click to open Faculty Magazine #2 (Hebrew) “Boron-Carbide Combustion in Solid Fuel Ramjets using Bypass Air.

Part I: Experimental Investigation,” Propellants Explosives and Pyrotechnics, Vol. 21, No. 6, pp. The ignition process of the solid fuel ramjet is an important part of the engine operation process, and its performance directly affects the performance, reliability and safety of the solid fuel ramjet, so scholars from domestic and foreign have done a corresponding study on this process.5, 12, 13 Zou et al.

14 studied the self-ignition process Cited by: 1.In any case, such a combustion mechanism is very complex. The solid fuel regression rate is the main parameter for a thorough characterization of the hybrid internal ballistic, so the research key objective is the formulation of a suitable model capable of predicting the fuel consumption rate as function of the thermo-fluid-dynamic characteristics.