National Repository of Grey Literature 131 records found  beginprevious120 - 129next  jump to record: Search took 0.01 seconds. 
HOT-WIRE PROBES FOR SIMULTANEOUS MEASUREMENT OF CONCENTRATION AND VELOCITY COMPONENT IN A BINARY GAS MIXTURE FLOW
Mazur, Oton ; Jonáš, Pavel ; Uruba, Václav
The paper contains a short description of two hot-element probes used in the past for simultaneous measurement of concentration and longitudinal velocity component in a binary gas mixture flow by a constant temperature anemometer. A three hot-wire probe, recently developed in the Institute of Thermomechanics AS CR, is described in more detail. It enables simultaneous measurement of the lateral velocity component in addition to the above mentioned quantities
The three hot-wire probe for simultaneous measurement of concentration and two velocity components in a binary gas mixture
Mazur, Oton ; Jonáš, Pavel ; Uruba, Václav
Design of a probe with 3 hot wires is given in the paper. The probe is to be used for simultaneous measurements of concentration of binary gas mixture and two velocity components. Then, the method of calibration and results evaluation is proposed.
Konkurence a výkonnost v průmyslovém sektoru v České republice
Medvedev, Andrei ; Zemplinerová, Alena
The paper investigates both the impact of domestic and import competition on performance of manufacturing industries in Czech Republic in 1998-2002.
The influence of recultivation on the contaminated soil
Podracká, Eva ; Tykva, Richard ; Soudek, Petr ; Vaněk, Tomáš
Activities of soil and selected plant species were measured after collection of samples at the waste disposal of uranium ore mill. The collection was carried partly at the original disposal, partly at its recultivated part. The concentrations of selected radionuclides in the measured samples were determined and the measurement technique as well as evaluation procedure described. The main goal of this study was to evaluate the efficiency of previously made recultivation which should decrease the volume concentration of radon in air.
Two Parallel Hot-Wire Probe for Measurement in a Stream of Two Gases Mixture
Mazur, Oton ; Jonáš, Pavel ; Uruba, Václav
The paper deals with the method of simultaneous flow velocity and concentration measurement in a binary gas mixture by means of a constant temperature anemometer with two parallel hot wires probe.
Simultaneous measurement of velocity and molar concentration in a gas-mixture turbulent flow using a dual heated sensors probe; part III: method of measurement and evaluation of results
Uruba, Václav ; Jonáš, Pavel ; Mazur, Oton
Method of velocity and concentration simultaneous measurement. Procedure of data collection and evaluation of results is shown on an sample measurement.

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