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14,425 Result(s)
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Article
Note on the torsional rigidity of cylinders of circular sector cross-sections
Für 16 besondere Kreisausschnittwinkel wird die Drillungssteifigkeit eines Stabes mit Kreissektor-Querschnitt durchL-Funktionen ausgedrückt.
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Article
Reduction of Nickel by Hydrogen from Ammoniacal Nickel Sulfate Solutions
This paper is an account of a detailed examination of the reaction by which nickel can be precipitated from aqueous ammoniacal nickel sulfate solutions by hydrogen at elevated pressures and temperatures. The t...
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Chapter
On the instability of laminar flow and its transition to turbulence
In recent years, there has been much progress in our understanding of the mechanism of transition from laminar flow to turbulent flow, but the problem remains not completely solved. Theoretically, the most eas...
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Article
Nickel-cobalt separation at Sherritt Gordon
Treating a complex nickel-copper-cobalt sulfide concentrate in a leaching operation has required the development of special techniques for the separation of nickel and cobalt. The process described in this pap...
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Chapter and Conference Paper
Bending of a Plate with Nonlinear Strain Hardening Creep
A method of analyzing plates subject to bending with arbitrary creep characteristics is derived. The creep strain is treated as equivalent loads and edge moments acting on the plate. This method is applicable ...
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Chapter and Conference Paper
On the instability of shear flows and their transition to turbulence
Over the past two decades there has been a growing interest in the field of hydrodynamic stability. To some extent this is due to the large variety of physical situations in which a discussion of stability is ...
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Article
Bestimmung des Kondensationsbeginns bei der Entspannung feuchter Luft in Überschalldüsen
Die spontane Kondensation in Überschalldüsen wird als makroskopischer Vorgang behandelt. Mittels einer Dimensionsanalyse läßt sich der Ort des Kondensationsbeginns aus den gasdynamischen Beziehungen bestimmen....
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Article
Ein Ähnlichkeitsgesetz für instationäre Kondensationsvorgänge in Lavaldüsen
Beim Ansaugen von Luft mit hoher relativer Feuchte treten in einem Überschallwindkanal instationäre, periodisch verlaufende Vorgänge auf. Der Zusammenhang zwischen der Frequenz dieser Strömungen und den geomet...
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Article
Unterschallheizfront hinter Verdichtungsstoß in zweidimensionalen Überschallströmungen
Eine Unterschallheizfront in einer Überschallströmung übt ähnlich wie ein Keil eine Verdrängungswirkung auf die Strömung aus. Die Lösung für das Strömungsfeld zwischen einem vorgelagerten Verdichtungsstoß und ...
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Chapter and Conference Paper
Body Reaction of Implant Packaging Materials
With implant stimulators, telemetry, and other electronic systems coming into popular use, the problem of packaging materials for these implanted electronic units becomes important. The packaging material not ...
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Article
Behavior of spherical solid particles released in a laminar boundary layer along a flat plate
The behavior of a very small solid spherical particle initially at rest on the surface of a flat plate in a laminar boundary layer along the plate is investigated. The Stokes drag is the only force considered ...
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Article
Graphische Verfahren zur Lösung der Unterschallheizfrontprobleme in zweidimensionalen Überschallströmungen
Eine Überschall-Expansionsströmung um eine Ecke mit einer Unterschallheizfront wird mit einem graphischen Verfahren untersucht. Das Verfahren liefert übersichtlich acht mögliche Lösungen des angegebenen Problems.
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Article
Particle migrations in laminar mixing of a suspension with a clean fluid
Die laminare Mischung von zwei Flüssigkeitsströmen wird untersucht, von denen der eine Suspensionsteilchen mitführt, während der andere ursprünglich rein ist. Berücksichtigt wird der Schlupf, sowie die in der ...
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Article
Buckling of spherical sandwich shells
An experimental investigation was carried out to determine the critical buckling loads of several shallow spherical sandwich shells. A cold-forming process simultaneously using pressure and vacuum was employed...
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Article
Particle migrations in laminar mixing of a suspension with a clean fluid
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Article
Note on the lifting of liquids by withdrawal
The results of previous studies on the problem of estimating the thickness and the flux of liquid being dragged out of a reservoir by a moving plate are summarized. An asymptotic solution is derived for the li...
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Chapter
The Accurate Determination of Cutting Forces
The design and construction of a rigid three-component dynamometer is described. The calibrating procedure is presented as an application of the principles of designed experimentation enabling a very accurate ...
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Article
Linear dispersive shear waves in two-layer elastic medium
In linear isotropic elasticity, cases exist where pure shear waves are possible even in bounded media; these have a nondispersive mode with propagation speed equal to that in an infinite medium. For these case...
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Article
Consecutive chemical reactions in a turbular reactor with turbulent flow
Homogeneous consecutive chemical reactions in turbulent flow system is analyzed in this paper. Arbitrary chemical reaction order is considered. The governing nonlinear material balance equations are solved num...
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Article
Theory of fatigue crack growth for work hardening materials