Titlebook: Kristallinität und Fehlordnung: Charakterisierung und technologische Bedeutung; Vorträge der Frühjah E. W. Fischer,F. H. Müller,H. H. Kausc

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H. Baurwith an airfoil surface, is important in many applications ranging from wind turbines and cooling fans to aircraft and submarines. This chapter presents an introduction to the major mechanisms of airfoil noise production. We begin with a review of leading edge noise that is produced by the interacti

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L. Beck,P. C. Hägelewith an airfoil surface, is important in many applications ranging from wind turbines and cooling fans to aircraft and submarines. This chapter presents an introduction to the major mechanisms of airfoil noise production. We begin with a review of leading edge noise that is produced by the interacti

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U. Leute,W. Dollhopf,E. Liskainated, frustrated and occasionally gratified scientists and engineers searching for methods to delay laminar-to-turbulence transition, to reduce skin-friction drag in turbulent wall-bounded flows, to quell vibrations, and to suppress flow-induced noise. In its simplest form, the technique is passiv

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M. Pietrallar examples are considered first where the waves are not vortical, namely waves across junctions in elastic tubes and those between two spring-supported elastic plates. It is assumed that the eigensolutions are known for the corresponding spatially homogeneous problems. The task is how to determine t

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G. Menges,G. Wübken,B. Horninated, frustrated and occasionally gratified scientists and engineers searching for methods to delay laminar-to-turbulence transition, to reduce skin-friction drag in turbulent wall-bounded flows, to quell vibrations, and to suppress flow-induced noise. In its simplest form, the technique is passiv

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Isotherme und thermisch stimulierte Depolarisation in Polyäthylennkette eingebauter Dipole zurückzuführen und die Ergebnisse können mit Hilfe des Fröhlich-Modells der Dipolorientierung durch ein kontinuierliches Relaxationszeitspektrum beschrieben werden. Die Messung thermisch stimulierter Ströme erweist sich als einfaches Hilfsmittel das Spektrum der molekularen Beweglichkeit abzutasten.

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