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  • 1
    Electronic Resource
    Electronic Resource
    Experimentelle Bestimmung des Staupunktswärmeüberganges in Argon im Stoßwellenrohr (1970)
    Springer
    Heat and mass transfer 3 (1970), S. 169-173 
    Details
    ISSN: 1432-1181
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Description / Table of Contents: Abstract The theory of the electrically insulated calorimeter gauge with finite thickness has been developed. From the theoretical results the possible errors of the gauge can be estimated. The influence of the temperature distribution on the electrical resistance is given. The experimental results of the heat transfer to the stagnation point of a spherical cylinder in argon and air agree reasonably with the theory ofFay andRiddell. Earlier experimental results have been found too high or too low.
    Notes: Zusammenfassung Es wird die Theorie der elektrisch isolierten Kalorimetersonde mit endlicher Schichtdicke entwickelt. Anhand des Ergebnisses lassen sich die möglichen Fehler der Sonde leicht abschätzen. Außerdem wird der Einfluß der Temperaturverteilung auf den Widerstand diskutiert. Die experimentellen Ergebnisse des Wärmeüberganges im Staupunkt einer Halbkugel in Argon und Luft werden befriedigend mit der Theorie vonFay undRiddell erklärt. Bisherige experimentelle Ergebnisse lagen entweder zu hoch oder zu niedrig.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01006692
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Numerical modelling of detonation structure in two–phase flows (1996)
    Springer
    Shock waves 6 (1996), S. 17-20 
    Details
    ISSN: 1432-2153
    Keywords: Key words:Detonation, Heterogeneous flows, Particle oxidation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics , Technology
    Notes: Abstract. A one-dimensional physical model and a numerical method for the simulation of heterogeneous detonation were proposed based on an Eulerian approach for heterogeneous flows. The combination of modern shock-capturing schemes in combination with a dynamically moving, adaptive grid ensure the properresolution of both reaction zones and flow discontinuities. Numerical examples illustrate the effect of the heat release due to heterogeneous combustion.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s001930050015
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    ADAPTIVE SOLUTIONS FOR UNSTEADY LAMINAR FLOWS ON UNSTRUCTURED GRIDS (1996)
    Chichester : Wiley-Blackwell
    International Journal for Numerical Methods in Fluids 22 (1996), S. 85-101 
    Details
    ISSN: 0271-2091
    Keywords: Navier-Stokes equations ; time-dependent, separated flow ; unstructured, adaptive, dynamic grids ; local time-stepping scheme ; Engineering ; Engineering General
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: An adaptive finite volume method for the simulation of time-dependent, viscous flow is presented. The Navier-Stokes equations are discretized by central schemes on unstructured grids and solved by an explicit Runge-Kutta method. The essential topics of the present study are a new concept for a local Runge-Kutta time-stepping scheme, called multisequence Runge-Kutta, which reduces the severe stability restriction in unsteady problems, a common grid generation and adaptation procedure and the application of dynamic grids for capturing moving flow structures. Results are presented for laminar, separated flow around an aerofoil with a flap.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
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    Paper (German National Licenses)
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