Search Results - "Kordík, J."

Integral Quantities of Axisymmetric Synthetic Jets Evaluated from a Direct Jet Thrust Measurement by Kordík, J., Trávníček, Z.

“…This paper proposes a relatively simple and user-friendly experimental method for evaluating synthetic jet (SJ) characteristic velocity and fluxes of time-mean…”
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Energy storage in macro-capsules for thermal comfort garments by Tesař, V., Kordík, J.

“…•Spherical capsules of millimetre size scale.•Melting while the capsule is submerged in constant temperature bath.•Initially spherical symmetry of solid…”
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Energetic efficiencies of synthetic jet actuators: Commentary on the article by Gil and Strzelczyk by Trávníček, Z., Kordík, J.

“…•Energetic efficiency can quantify the synthetic jet actuator performance.•Recently, the energetic efficiency has been defined in various alternative…”
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Comparison of synthetic jet actuators based on sharp-edged and round-edged nozzles by Kordík, J., Trávníček, Z.

“…Axisymmetric synthetic jet actuators based on a loudspeaker and on two types of flanged nozzles were tested and compared experimentally. The first type of the…”
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Two forward-flow regimes in actuator nozzles with large-amplitude pulsation by Tesar, V, Kordik, J

“…Extensive systematic investigations were made of pulsatile flows in a wide range of frequencies (extending over more than a decimal order) in a small nozzle of…”
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Novel methods for evaluation of the Reynolds number of synthetic jets by Kordík, J., Broučková, Z., Vít, T., Pavelka, M., Trávníček, Z.

“…The paper proposes four novel methods of evaluation of synthetic jet velocity amplitude (Reynolds number in dimensionless form). The methods are based on the…”
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Maximization of integral outlet quantities of an axisymmetric synthetic jet actuator based on a loudspeaker by Kordík, J., Trávníček, Z.

“…The goal of this paper is to find an optimal nozzle size of an axisymmetric synthetic jet actuator based on a loudspeaker. The desirable maximized output…”
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Visualization of synthetic jet formation in air by Trávníček, Z., Broučková, Z., Kordík, J., Vít, T.

“…This experimental study deals with a round synthetic jet (SJ) issuing into quiescent surroundings. Flow visualization in air is used to identify different flow…”
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Experimental investigation of a fluidic actuator generating hybrid-synthetic jets by Tesař, V., Trávníček, Z., Kordík, J., Randa, Z.

“…Hybrid-synthetic jets are similar to the usual zero-time-mean-flow synthetic jets, differing from them by superposition of a steady outflow from the nozzle…”
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Impinging jet-based fluidic diodes for hybrid synthetic jet actuators by Kordík, J., Broučková, Z., Trávníček, Z.

“…A new variant of a fluidic diode for hybrid synthetic jet actuators (HSJAs) is introduced in this paper, namely the diode in the form of a conical duct. The…”
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A new method for fluid input into a hybrid synthetic jet actuator by Kordik, J, Travnicek, Z, Tesai, V

“…A new principle of flow rectification for hybrid synthetic jet actuators is introduced in this paper. As is well known, the flow rectification can be best…”
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Flow control in axial fan inlet guide vanes by synthetic jets by Cyrus, V., Trávníček, Z., Wurst, P., Kordík, J.

“…Tested high pressure axial flow fan with hub/tip ratio of 0.70 and external diameter of 600 mm consisted of inlet guide vanes (IGV), rotor and stator blade…”
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Experimental Investigation of the Compressor Cascade under an Active Flow Control by Trávníček, Z., Cyrus, V., Šimurda, D., Luxa, M., Lukáč, J., Kordík, J.

“…The paper is concerned with flow past compressor blade cascade (NACA 65 with thickened trailing edge) at off-design regimes, which are characteristic by…”
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Geochemical Atlas of Slovakia and examples of its applications to environmental problems by Rapant, S., Bodiš, D., Vrana, K., Cvečková, V., Kordík, J., Krčmová, K., Slaninka, I.

“…Results of comprehensive geochemical mapping and thematic studies of the Slovak territory (rocks, soils, stream sediments, groundwaters, biomass, and…”
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Performance of synthetic jet actuators based on hybrid and double-acting principles by Trávníček, Z., Tesař, V., Kordík, J.

“…The design of the discussed fluid jet actuator followed two ideas: a double-acting operation of reciprocating pumps, and a hybrid synthetic jet (HSJ)…”
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The effects of single and double hearing protection on the localization and segregation of spatially-separated speech signals (L) by BRUNGART, Douglas S, KORDIK, Alexander J, SIMPSON, Brian D

“…Recent results have shown that auditory localization in the horizontal plane is dramatically worse for listeners wearing double hearing protection (earplugs…”
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Effects of Headtracker Latency in Virtual Audio Displays by Brungart, Douglas, Kordik, Alex J, Simpson, Brian D

“…A critical parameter for the design of interactive virtual audio displays is the maximum acceptable amount of delay between the movement of the listener's head…”
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Audio and Visual Cues in a Two-Talker Divided Attention Speech-Monitoring Task by Brungart, Douglas S., Kordik, Alexander J., Simpson, Brian D.

“…Although audiovisual (AV) cues are known to improve speech intelligibility in difficult listening environments, little is known about their role in divided…”
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Auditory localization in the horizontal plane with single and double hearing protection by Brungart, Douglas S, Kordik, Alexander J, Simpson, Brian D, McKinley, Richard L

“…Although single hearing protection devices such as earplugs or earmuffs are known to degrade sound localization, little is known about localization accuracy in…”
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Auditory localization in the horizontal plane with single and double hearing protection by Brungart, Douglas S., Kordik, Alexander J., Simpson, Brian D.

“…Although most occupational noise problems can be adequately addressed with either earplugs or earmuffs, some extreme noise environments require listeners to…”
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