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Wednesday, July 29, 2020 | History

2 edition of analytical and experimental study of an implosion-driven shock tube found in the catalog.

analytical and experimental study of an implosion-driven shock tube

Sek-kwan Chan

analytical and experimental study of an implosion-driven shock tube

by Sek-kwan Chan

  • 386 Want to read
  • 21 Currently reading

Published in [Toronto] .
Written in English

    Subjects:
  • Gas dynamics,
  • Shock tubes,
  • Shock waves

  • Edition Notes

    ContributionsToronto, Ont. University.
    The Physical Object
    Pagination1 v. (various pagings)
    ID Numbers
    Open LibraryOL18880916M

    study of various shock tube design choices, such as shock tube angle and explosive charge geometry, on the resulting air blast is detailed. Finally, experimental data using a new 10° shock tube along with some of the driver section design choices investigated in the computational parameter study is presented. SUBJECT TERMS. Get this from a library! Shock Tubes: Proceedings of the Seventh International Shock Tube Symposium held at University of Toronto, Toronto, Canada June [Irving Israel Glass;] -- This volume contains the proceedings of a symposium held at the University of Toronto in June The symposium consisted of six sessions; each containing an invited paper, followed by six.

    research. At Princeton the tube was used for the study of reflected shock waves (Bleakney, Weimer and Fletcher, ) and a Mach•Zehnder interferometer was used to study super­ sonic flow of shocks over a body. At Cornell, Kantrowitz and. Hertzberg used the shock tube for a variety of ael'O-. carried out in a shock tube, a reactor that can generate instantaneous high temperature and pressure conditions by means of re ected shock wave, leading to chemical reactions and subsequent ignition of a test mixture of fuel and oxidizer. Experimental results are compared with chemical kinetic model simulations and the models.

    Nonstationary flows of gases (and liquids under high pressure) are of interest in many engineering problems. These include the study of shock waves arising from a very sudden release (explosion) of chemical, nuclear, electrical, or mechanical energy in a limited space, the study of thebehaviour of media through which the shock propagate, and the investigation of the nonstationary motion of a. temperature shock tube methods. These studies are broken into three categories: 1) the decomposition of alkanes, 2) the incubation and decomposition of CO 2, and 3) the.


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Analytical and experimental study of an implosion-driven shock tube by Sek-kwan Chan Download PDF EPUB FB2

Among these tools, one can cite the use of an explosive‐driven shock tube (EDST). The purpose of the present study is to define analytical equations to predict incident and reflected pressure and impulse generated at a laboratory scale EDST end in terms of the tube length, the tube diameter, the explosive mass, and the stand‐off by: 6.

Abstract An analytical study of the ignition of mixtures of methane and ethane has been carried out, using a numerical model consisting of 25 chemical species and 75 elementary chemical reactions.

Computed ignition delay times and effective activation energies are compared with published experimental shock tube results. Initial conditions studied include temperatures from K. Cited by: Book Description: This volume contains the proceedings of a symposium held at the University of Toronto in June EXPERIMENTAL STUDY OF SHOCK ATTENUATION IN A 10⁶ JOULE ARC HEATED SHOCK TUBE USING HELIUM-ARGON MIXTURES AS THE DRIVER GAS.

IMPLOSION-DRIVEN SHOCK TUBE. IMPLOSION-DRIVEN SHOCK TUBE (pp. ) I. Glass and J. This study aims to a better understanding of the performance of a shock tube used to produce blast loading in controlled laboratory environments.

Special focus is placed on the influence of the diaphragm failure process on the blast wave formation in the tube. Experimental observations are supported by numerical simulations in an attempt to obtain more insight into the underlying : Vegard Aune, Folco Casadei, Georgios Valsamos, Magnus Langseth, Tore Børvik.

A Theoretical and Experimental Study of Shock-Tube Flows. Calibration of a shock tube flow by analysis of the particle trajectories. Physics of Fluids, Vol. 18, No. Carrier gas effects on homogeneous nucleation of water vapor in a shock by: x z y The Shock Tube problem Studied by Gary A.

Sod in 1D problem analytical solutions are known used to test and validate computational fluidmodels p = kPa u = 0 m/s ρ = kg/m3 p = 10 kPa u = 0 m/s ρ = kg/m3 diaphragm Studied by Gary A.

Sod in   An experimental and modeling study of shock tube and rapid compression machine ignition of n-butylbenzene/air mixtures Author links open overlay panel Hisashi Nakamura a b Daniel Darcy a Marco Mehl c Colin J.

Tobin a Wayne K. Metcalfe a William J. Pitz c Charles K. Westbrook c Henry J. Curran a. interest, since this model is used to describe real shock tube experimental devices.1 Physical Description of the Shock Tube Problem The fundamental idea of the shock tube is the following: consider a long one-dimensional (1D) tube, closed at its ends and divided into two equal regions by a thin diaphragm (see Fig.

Analytical Approach The shock tube problem has an analytical solution of time before the shock hits the extremity of the tube [1].

Fig 3: Schematic shock tube problem with pressure distribution for pre- and post-diaphragm removal. Evolution of the flow pattern is illustrated in Fig 3. When the diaphragm bursts, discontinuity between the.

Lecture Shock Tube Techniques/Applications Motivation: Shock tubes with lasers is a chemical kinetics research frontier. Introduction to Shock Tubes 2. Vibrational Relaxation 3. Ignition Studies 4. Advances in Shock Tube Modeling. Shock wave interaction with obstacles of various geometric shapes has always attracted attention in a large number of experimental and numerical studies.

During the interaction of a shock wave with an obstacle a very complex wave pattern is formed which affects the shock-wave induced flow. The book combined with tutorials, project and power-point lecture notes (all available for download) forms a complete course. An Analytical and Experimental Study of an Implosion-Driven Shock.

This paper describes an experimental study that used a fast-response temperature-sensitive paint (TSP) to investigate the unsteady aerothermodynamic phenomena occurring on a shock-tube wall.

To understand these phenomena in detail, a fast-response TSP with high temperature sensitivity developed for transient temperature measurement was applied to the wall. Chan SK () Analytical and experimental study of implosion-driven shock tube.

UTIAS Rept Chan YY, Mason RP, Reddy NM () Instrumentation and calibration of UTIAS hypersonic shock tunnel. The 26th International Symposium on Shock Waves in Göttingen, Germany was jointly organised by the German Aerospace Centre DLR and the French-German Research Institute of Saint Louis ISL.

The year marked the 50th anniversary of the Symposium, which first took place in in Boston and has since become an internationally acclaimed series of meetings for the wider Shock Wave Community.

This paper focuses on the analysis of the dynamic bearing resistance and related pull-out behaviour of such elements. In a first step, the dynamic bearing capacity is investigated by an experimental study.

Different sheet thicknesses and dimensions are examined for different loading levels using shock tube. The book also contains recent progress in shock tube and shock tube tunnel technology, including free piston shock tunnels, diaphragmless shock tubes, various processes for improving shock tube performances and numerous diagnostic techniques used in millisecond facilities such as force, moment measurements and optical methods.

several experimental studies are going on. A numerical model has also been developed and some previous investigations have been concerned with the computed performance and the optimization of this launcher.

The present preliminary study deals mainly with the computation of the performance of an implosion-driven shock tube. Analytical and experimental studies are being carried out to predict transfromation criteria form regular reflection(RR) to Mach reflection(MR) on shorter wedges.

It is found that the wedge trailing edge expansion fan is interacting with the shock reflection point. Vyacheslav M. Zobin, in Introduction to Volcanic Seismology (Third Edition), Shock Tube Model. Shock tube model explains the explosive eruption by rapid decompression of magma in a shock tube (Alidibirov and Dingwell, ; Koyaguchi and Mitani, ).According to this model, a bubbly magma at a high pressure is separated from air at the atmospheric pressure by a.

Basics of shock tube operation Shock tubes are an important experimental tool for investigating unsteady gas dynamics, chemical kinetics, and other processes at high temperatures and pressures. A shock tube is formed by a vessel that contains a gas at high pressure and a gas at low pressure separated by a diaphragm.

The high-pressure section is.Author(s) A. Abe, K. Takayama, K. Itoh. Abstract. Experimental and numerical study of shock wave propagation over cylinders and spheres A.

Abe', K. Takayama', K. Itoh* * Shock Wave Research Center of Institute of Fluid Science, Tohoku University, Japan Kakuda Research Center, National Aerospace Laboratory, Japan Abstract This is a preliminary study of shock wave attenuation over arrays of.

Try the sections on Gas dynamics (more precisely ) of Gerald Whitham's book "Linear and nonlinear waves" December 6,Re: analytical solution of 1D shock tube .