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  • 1
    Digitale Medien
    Digitale Medien
    Identification of an Al–Ni–O precipitate in combustion-synthesized NiAl (2000)
    Copenhagen : International Union of Crystallography (IUCr)
    Applied crystallography online 33 (2000), S. 1217-1222 
    Details
    ISSN: 1600-5767
    Quelle: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Thema: Geologie und Paläontologie , Physik
    Notizen: The complete identity of a second-phase precipitate detected by transmission electron microscopy in combustion-synthesized NiAl was established. The crystal structure, including the point group, the space group and the lattice parameters, was determined by convergent and selected-area electron diffraction techniques. Energy dispersive X-ray spectroscopy was used for the determination of the chemical composition. Analysis established the phase to be the solid solution of NiO in Al2O3 and presented evidence of the hitherto unreported room-temperature solubility.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1107/S0021889800008505
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  • 2
    Digitale Medien
    Digitale Medien
    Cylindrical blast wave with radiation heat flux in self-gravitating gas (1995)
    Springer
    Il nuovo cimento della Società Italiana di Fisica 17 (1995), S. 343-349 
    Details
    ISSN: 0392-6737
    Schlagwort(e): Waves, oscillations, and instabilities in plasma ; Magnetohydrodynamic waves
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Summary A similarity solution of cylindrical shock waves propagating in a uniform atmosphere through self-gravitating gas including the influence of radiation heat flux has been investigated. This problem has also been studied in isothermal conditions. The total energy of the line explosion is assumed to be constant. The solutions of the problem are compared with the results obtained in adiabatic conditions through figures.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF02457336
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  • 3
    Digitale Medien
    Digitale Medien
    MHD cylindrical shock wave in self-gravitating gas (1995)
    Springer
    Il nuovo cimento della Società Italiana di Fisica 17 (1995), S. 335-342 
    Details
    ISSN: 0392-6737
    Schlagwort(e): Waves, oscillations, and instabilities in plasma ; Magnetohydrodynamic waves
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Summary Similarity solutions of the propagation of cylindrical blast waves through a self-gravitating polytropic gas caused by an instantaneous release of finite energy are investigated theoretically including the influence of transverse magnetic field. A comparative study of the distributions of velocity, density, mass, pressure, temperature and magnetic field has been illustrated through figures.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF02457335
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  • 4
    Digitale Medien
    Digitale Medien
    Implosive and re-explosive shock wave in magnetohydrodynamics (1989)
    Springer
    Astrophysics and space science 159 (1989), S. 161-164 
    Details
    ISSN: 1572-946X
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract The present Letter deals with the problem of implosive and re-explosive shock wave in magnetohydrodynamics. A self-similar solution has been obtained neglecting thermal conduction and assuming a linear profile of the plasma velocity.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00640498
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  • 5
    Digitale Medien
    Digitale Medien
    Radiative decay behind strong M.H.D. shocks (1989)
    Springer
    Astrophysics and space science 159 (1989), S. 165-168 
    Details
    ISSN: 1572-946X
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract The effect of radiation up on the state of gas behind strong M.H.D. shock front has been studied. The jump conditions for flow variables across the shock boundary have been obtained and temperature decay behind the shock front is determined for a optically-thin brehmsstrahlung radiation plasma. It has been found that, for a shock within strong magnetic field, the temperature decay is much quicker.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00640499
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  • 6
    Digitale Medien
    Digitale Medien
    Self-similar power-driven isothermal flows behind cylindrical shock in magnetohydrodynamics (1989)
    Springer
    Astrophysics and space science 161 (1989), S. 295-301 
    Details
    ISSN: 1572-946X
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract The present paper deals with a self-similar power-driven isothermal expansion headed by magnetohydrodynamic cylindrical shock surface in a non-homogeneous medium. It has been found that the region, behind the discontinuity surface, widens when interaction of magnetic field with other gasdynamic variables is perceived. Calculation has been performed for different Alfvén Mach numbers.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00653576
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  • 7
    Digitale Medien
    Digitale Medien
    Analytical solutions of cylindrical shock waves in magnetogasdynamics, I (1988)
    Springer
    Astrophysics and space science 148 (1988), S. 85-93 
    Details
    ISSN: 1572-946X
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract The C.C.W. method has been used to investigate the propagation of converging and diverging cylindrical shock waves in a non-uniform medium under the influence of a magnetic field of constant strength. A comparison has also been made between the two types of cylindrical shock waves, simultaneously for both weak and strong cases of the magnetic field. Density distribution is assumed to beρ o =ρ ′ r −ω, whereρ ′ is the density at the axis of symmetry and ω a constant. The analytical expressions for shock velocity and shock strength as well as the pressure, the density, and the particle velocity just behind the shock front have been derived for both the cases.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00646464
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  • 8
    Digitale Medien
    Digitale Medien
    Analytical solution of magnetogasdynamic cylindrical shock waves in self-gravitating and rotating gas, II (1988)
    Springer
    Astrophysics and space science 148 (1988), S. 221-227 
    Details
    ISSN: 1572-946X
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract Using the C.C.W. method, propagation of diverging cylindrical shock wave in a self-gravitating and rotating gas under the influence of a constant axial magnetic field has been studied for two cases of weak and strong shocks. Medium ahead of the shock is supposed to be homogeneous. Analytical relations for shock velocity and shock strength along with the expressions for the pressure, density, and particle velocity just behind the shock wave have been also obtained for both cases.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00645961
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  • 9
    Digitale Medien
    Digitale Medien
    Self-similar cylindrical shock waves with radiation heat flux (1984)
    Springer
    Astrophysics and space science 102 (1984), S. 263-268 
    Details
    ISSN: 1572-946X
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract Similarity solutions describing the flow of a perfect gas behind cylindrical shock waves with radiation heat flux are investigated. The total energy of the expanding wave has been supposed to remain constant. The solution, however, is only applicable to a gaseous medium where the undisturbed pressure falls as the inverse square of the distance from the line of explosion.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00650174
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  • 10
    Digitale Medien
    Digitale Medien
    Self-similar problem with increasing energy in radiative magneto-gas dynamics (1984)
    Springer
    Astrophysics and space science 105 (1984), S. 161-170 
    Details
    ISSN: 1572-946X
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract In the present paper self-similar solutions have been investigated for the propagation of piston driven, radiative gas-dynamic shocks into an inhomogeneous ideal gas permeated by a current free azimuthal magnetic field for spherical symmetry. The effects of radiation flux and magnetic field together have been seen in the region of interest on the other flow variables. The total energy of the flow between the piston and the shock is taken to be dependent on the shock radius obeying a power law. The radiative pressure and energy have been neglected. This problem is more general than the others done so far. The word piston implies some means to drive plasma radially onwards.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00651216
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