Search Results - "Žitný, Rudolf"

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    Extrusion rheometry of collagen dough by Štípek, Jan, Skočilas, Jan, Štancl, Jaroslav, Žitný, Rudolf

    Published in Czech Journal of Food Sciences (01-01-2021)
    “…Although collagen is widely used (for example, in the food industry, in the pharmaceutical industry and in biomedicine), the rheological properties of the…”
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    Journal Article
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    ELECTRICAL AND THERMODYNAMIC PROPERTIES OF A COLLAGEN SOLUTION by Štancl, Jaromír, Skočilas, Jan, Landfeld, Aleš, Žitný, Rudolf, Houška, Milan

    “…This paper focuses on measurements of the electrical properties, the specific heat capacity and the thermal conductivity of a collagen solution (7.19% mass…”
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    Journal Article
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    A simple mechanical spring-driven rheometer for measurement of Newtonian and non-Newtonian fluids—Design, validation, and input correction by Solnař, Stanislav, Štípek, Jan, Alzarzouri, Fadi, Žitný, Rudolf

    Published in Journal of food engineering (01-12-2024)
    “…This paper deals with the construction and validation of a new, very simple purely mechanical rheometer, which is assembled from a syringe and a steel spring…”
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    Hydraulic characteristic of collagen by ŽITNÝ, Rudolf, LANDFELD, Aleš, SKOČILAS, Jan, ŠTANCL, Jaromír, FLEGL, Vlastimil, ZACHARIÁŠOVÁ, Milena, JÍRŮ, Monika, HOUŠKA, Milan

    Published in Czech Journal of Food Sciences (01-01-2015)
    “…Hydraulic characteristic of collagen. Czech J. Food Sci., 33: 479–485. The hysteresis of a hydraulic characteristic while pumping an aqueous solution of…”
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    Journal Article
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    Starch Foam Expansion in a Closed Mold by Skočilas, Jan, Žitný, Rudolf, Šesták, Jiří

    Published in Food and bioprocess technology (01-08-2010)
    “…Processes with thermal treatment of starch-based materials for biologically degradable packaging products are analyzed here. The paper describes experiments on…”
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    Journal Article
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    UNSTEADY FLOW OF THIXOTROPIC COLLAGEN SUBSTANCE IN PIPES by Žitný, Rudolf, Landfeld, Aleš, Skočilas, Jan, Štancl, Jaromír, Flegl, Vlastimil, Houška, Milan

    “…Unsteady flow of thixotropic liquid in pipes is solved by 1D and 2D numerical methods using the same constitutive equation — the only difference is in the…”
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    A method for determining the rheological properties of viscoplastic fluids using a rectangular die by Ayas, Mehmet, Skočilas, Jan, Štípek, Jan, Žitný, Rudolf, Jirout, Tomáš

    Published in Journal of food engineering (01-11-2023)
    “…This study introduces a method for determining the rheological parameters of viscoplastic fluids with the use of rectangular dies. The relationship between the…”
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    Effects of Extrusion and Irradiation on the Mechanical Properties of a Water-Collagen Solution by Chlup, Hynek, Skočilas, Jan, Štancl, Jaromír, Houška, Milan, Žitný, Rudolf

    Published in Polymers (31-01-2022)
    “…This article describes 1D extension tests on bovine collagen samples (8% collagen in water). At such a high collagen concentration, the mechanical properties…”
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    Journal Article
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    Thermal diffusivity estimation of the olive oil during its high-pressure treatment by Kubásek, Miroslav, Houška, Milan, Landfeld, Aleš, Strohalm, Jan, Kamarád, Jiří, Žitný, Rudolf

    Published in Journal of food engineering (01-06-2006)
    “…This contribution concerns cooling of olive oil under the conditions of its treatment with high pressure and the estimation of its thermal diffusivity by the…”
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    Journal Article
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    An Approximate Method for Predicting the Friction Factor of Viscoplastic Shear-Thinning Fluids in Non-Circular Channels of Regular Cross-Sections by Ayas, Mehmet, Skočilas, Jan, Štípek, Jan, Gutiérrez, Carlos Arce, Žitný, Rudolf, Jirout, Tomáš

    Published in Polymers (07-12-2022)
    “…The objective of this study is to provide a straightforward generalized simple and quick method for the prediction of the friction factor for fully developed…”
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    Journal Article
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    FINITE ELEMENT ANALYSIS OF AORTAL BIFURCATION by Kronek, Jakub, Žitný, Rudolf

    “…Arterial bifurcations loaded by internal pressure represent significant stress concentrators. Increased mechanical stress inside arterial wall probably…”
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    Journal Article
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    INTEGRAL METHODS FOR DESCRIBING PULSATILE FLOW by Hromadka, David, Chlup, Hynek, Žitný, Rudolf

    “…This paper presents an approximate solution of the pulsatile flow of a Newtonian fluid in the laminar flow regime in a rigid tube of constant diameter. The…”
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    Rheological Properties of Collagen Matter Predicted Using an Extrusion Rheometer by Skočilas, Jan, Žitný, Rudolf, Štancl, Jaromír, Dostál, Martin, Landfeld, Aleš, Houška, Milan

    Published in Journal of texture studies (01-12-2016)
    “…This article reports on measurements of the rheological properties of slightly compressible collagen liquid (from 6.6 to 8.0% mass fraction of native bovine…”
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    The Effect of Irradiation on Rheological and Electrical Properties of Collagen by Landfeld Aleš, Houška Milan, Skočilas Jan, Žitny Rudolf, Novotná Pavla, Štangl Jaromír, Dostál Martin, Chvátil David

    Published in Applied rheology (Lappersdorf, Germany) (01-08-2016)
    “…This paper describes the effects of irradiation on the rheological and electrical properties of a 7.7% mass fraction of native bovine collagen in water. The…”
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    Identification of relaxation parameter of a physical model of vein from fluid transient experiment by Hromádka, David, Chlup, Hynek, Žitný, Rudolf

    Published in EPJ Web of conferences (01-01-2014)
    “…This paper presents a new fluid transient inflation experiment applied on a physical model of vein (short latex tube, 5mm diameter). Aim of experiments is…”
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    Simulation of collagen solution flow in rectangular capillary by Kysela, Bohus, Skocilas, Jan, Zitny, Rudolf, Stancl, Jaromir, Houska, Milan, Landfeld, Ales

    Published in EPJ Web of Conferences (01-01-2017)
    “…The viscoelastic properties of foods and polymers can be evaluated from flow of the material in capillary with specified dimension and shape. The extrusion…”
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    Journal Article Conference Proceeding
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    Heat Transfer Enhancement in a Pipe Using a Flow Inverter by Žitný, Rudolf, Tu Luong, Thi Cam, Šesták, Jirí

    Published in Heat transfer engineering (01-01-2009)
    “…Flow inversion, transferring a liquid from the wall region toward the center of the pipe or from the axis toward the heat transfer surface, improves heat…”
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    Age-related changes in longitudinal prestress in human abdominal aorta by Horny, Lukas, Adamek, Tomas, Zitny, Rudolf

    Published in Archive of applied mechanics (1991) (01-06-2013)
    “…Studies on the influence of aging on the longitudinal mechanical response of elastic arteries are rare, though longitudinal behavior may have a significant…”
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