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The impact of synthetic jet on the properties of the main jet flowing from an axisymmetric nozzle has been investigated. The examinations were preceded by a theoretical a [...]
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So far visualization of the flow, [1] has involved heating the wire with paraffin oil placed across the horizontal axis of the nozzle. The point of the idea of a continuo [...]
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The paper deals with a working prototype of a system for the active vibration control of journal bearings to prevent rotor instability due to the oil film. The controllab [...]
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Zapoměl, Jaroslav
Abstrakt: Properties of fluid film bearings are significantly influenced by the shape of the cross section of the holes in the bearing shells. In computational models the [...]
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The Pulse Width Modulation is always accompanied by an output voltage distortion. This is caused by voltage drops on real switching elements and also by using of the nece [...]
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Concrete is represented as a two-phase material in this paper. Behaviour of a crack with its tip on the interface between two different materials - hardened cement paste [...]
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Hlaváč, L.
The contribution is aimed at disintegration of hot rocks and rock-like materials by water jets acting in two ways. The first one is bound with penetration of jet to a cer [...]
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Authors investigated an annular synthetic jet required to reach to very large distances while operated at infrasonic frequency. Hot-wire measurements of velocity profiles [...]
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One possibility how to decrease lateral vibration of rotors excited by imbalance of the rotating parts is to couple the shaft with the stationary part through squeeze fil [...]
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Zapoměl, J.
The rotor systems consit of two principal components, of a rotor and of a stationary part, and the fluid film bearings are often used as coupling elements. As the clearan [...]
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Paper deals on an experimental investigation of a synthetic jet array. This investigation focuses on a partial problem of the general task “a synthetic jet array intera [...]
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This paper presents a part of research of the gyroscopic stabilizer and describes a gyroscopic stabilizer correction and compensation system. Consequently identification [...]
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Trávníček, Z.
Vortex shedding from a bluff body is a classical problem as well as an exciting challenge for fluid mechanics. Since the time of Prof. Strouhal at the end of the 19th cen [...]
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This contribution deals with proposal of the method for strain gauge measurements of rubber patterns under dynamic loading. As deform elements the silicon strain gauges w [...]
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The paper is focused on comparison of numerical solution and experimental work of the flow field near model of hump. The hump is located in closed measurement area of Eif [...]
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Antoš, P.
The paper deals with an effect of dynamic adjustment on the behaviour of constant-temperature anemometer. The static dependence of the output anemometer voltage on the ga [...]
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Abstrakt: The small aerodynamic facility with variable gas density, concentration of the airhelium mixture and flow velocity is described. Next the procedure of mixing th [...]
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The diffusion of the fluid particles is one of the important fundamental problems of the research of transitional and turbulent flows. This phenomena is of great importan [...]
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The method of simultaneous flow velocity and concentration measurement by means of a constant temperature anemometer with two parallel hot wires probe in a binary gas mix [...]
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Antoš, P.
The paper deals with the fluid temperature effect on the hot-wire anemometer output signal. There is described a correction method which compensate for fluid temperature [...]
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