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CTA measurements at low overheats
Antoš, Pavel
The static dependence of the output anemometer voltage on the gain and the offset voltage of the amplifier was investigated experimentally. The DISA CTA bridge 55M10 was examined. Data were compared to the measurements performed at a Wheatston bridge without any amplifier.
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Interpretace měření CTA anemometrem při nízkém žhavení
Antoš, Pavel
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 gain and the offset voltage of the amplifier was investigated experimentally. Applied model of the CTA feedback system fits the behaviour of the bridge satisfactory.
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Geological mapping of the Landscape Protected Area Žďárské vrchy Highlands in a scale 1:25 000. Map sheets: 13 – 443 Chotěboř, 23 – 222 Herálec, 24 – 112 Jedlová, 23 – 223 Přibyslav, 24 – 113 Nové Město na Moravě, 24 – 114 Dalečín, 24 – 131 Bobrová
Kirchner, Karel ; Roštínský, Pavel
The report, whose elaboration was the subject of a contract between the Czech Geological Survey and the Institute of Geonics CAS, compiles information on basic morphostructural characteristics of the area of Žďárské vrchy Highland within map sheets of the Basic Map of the Czech Republic in a scale 1:25 000 mentioned above (the sheet Bobrová was situated within the area under study only in part), related to major geomorphological units. Information mentioned were, first, based on a study of available data and archival materials about Žďárské vrchy Highland and, second, on a new field research. An important part of the report constitutes a brief description of interesting geomorphological localities for every map sheet (altogether 26), chosen to involve major geomorphological phenomena and document particular phases of landscape evolution of the given area (included especially structural, fluvial, cryogenous and athropogennic landforms). On the basis of the choice, a schematic map of geomorphological localities of the Žďárské vrchy Highland was created in a GIS, including also 6 map sheets elaborated in a year 2004.
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Nestacionární charakteristiky impaktního proudění do korýtkové kavity
Knob, Martin ; Antoš, Pavel ; Adamec, J.
In this contribution, the unsteady behaviour of a jet, impinging into a trough cavity is described. The mechanism of the switching of the jet is clarified and the effect of the impingement angle is discussed. The problem was studied both experimentally and numerically. The numerical investigation is performed using a commercial package Fluent 6.1, while the experimental data are obtained using the hot- wire probe. The experimental and the numerical data are compared and discussed.
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