Studies of the Phenomena Occurring in an Electromagnetic Shock Tube PDF Download
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Author: Evan R. Pugh
Publisher:
ISBN:
Category : Electromagnetism
Languages : en
Pages : 162
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Book Description
An electromagnetic shock tube was constructed and the observed phenomena explained assuming that the energy transferred to the driver section is stored in the form of magnetic energy. The velocity of the shock front and its rate of decay were measured and compared with theoretical predictions based upon the infinite conductivity magnetohydrodynamic flow equations. A Kerr cell shutter camera was used to photograph the shock fronts which were found to be jumbled, suggesting magnetic turbulence. A magnetic field was applied along the axis of the shock tube and its effect on the shock velocity and on the character of the shock front were explained by the interaction of the driver currents with the applied axial magnetic field. A ''precursor'' wave was observed and the gas velocity behind it measured using the boundary layer on a probe placed along the axis of the shock tube. This value of the gas velocity and measured values of the wave velocity, gas density and electric field strength are shown to be compatible with a wave-type mechanism. (Author).
Author: Evan R. Pugh
Publisher:
ISBN:
Category : Electromagnetism
Languages : en
Pages : 162
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Book Description
An electromagnetic shock tube was constructed and the observed phenomena explained assuming that the energy transferred to the driver section is stored in the form of magnetic energy. The velocity of the shock front and its rate of decay were measured and compared with theoretical predictions based upon the infinite conductivity magnetohydrodynamic flow equations. A Kerr cell shutter camera was used to photograph the shock fronts which were found to be jumbled, suggesting magnetic turbulence. A magnetic field was applied along the axis of the shock tube and its effect on the shock velocity and on the character of the shock front were explained by the interaction of the driver currents with the applied axial magnetic field. A ''precursor'' wave was observed and the gas velocity behind it measured using the boundary layer on a probe placed along the axis of the shock tube. This value of the gas velocity and measured values of the wave velocity, gas density and electric field strength are shown to be compatible with a wave-type mechanism. (Author).
Author: James F. Roach
Publisher:
ISBN:
Category : Air
Languages : en
Pages : 48
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Book Description
Author: Richard W. Ziemer
Publisher:
ISBN:
Category : Electromagnetic waves
Languages : en
Pages : 52
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Book Description
An electromagnetically driven shock tube was studied as a possible new tool for aerodynamic research in which velocities of up to 41,000 feet per second are obtainable in air. At these high velocities stagnation temperatures of about 35,000K are produced. The simple construction and operation of the shock tube is described and an evaluation is made of its performance. The potentialities and limitations of the apparatus are discussed with regards to research applications. The results of some magnetoaerodynamic studies are presented to show the usefulness of this type of shock tube. (Author).
Author: David Sanborn Scott
Publisher:
ISBN:
Category : Electromagnetism
Languages : en
Pages :
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Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 756
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Author: Yu V. Makarov
Publisher:
ISBN:
Category :
Languages : en
Pages : 138
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Book Description
The monograph deals with experimental research into the physical properties of plasma behind powerful shock waves arising during a powerful impulse discharge. The results are presented of experimental studies of the structure of the luminosity front in electromagnetic shock waves, the state of the gas behind a shock wave, the properties of plasma along the discharge chamber, and magnetic fields in the plasma. The difficulties and prospects for using electromagnetic shock tubes for a wide range of physical studies are examined. Various methods were used while carrying out experiments, including optical, spectral, contact, high-frequency, electromagnetic, and other studies. Physical phenomena in electromagnetic shock tubes are examined only from the gas dynamics point of view. (Author).
Author:
Publisher:
ISBN:
Category : Research
Languages : en
Pages : 418
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Author: G. D. Cormack
Publisher:
ISBN:
Category :
Languages : de
Pages :
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Author: Donald James Carlson
Publisher:
ISBN:
Category : Ionized gases
Languages : en
Pages : 126
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Book Description
Author: Defense Documentation Center (U.S.)
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 828
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