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Wyszukujesz frazę "liquid-liquid flow" wg kryterium: Temat

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    Wyświetlanie 1-4 z 4
    Tytuł:
    Liquid flow parameters at the outlet of the formed suction intake with a rib
    Autorzy:
    Błaszczyk, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/175592.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    numerical computations
    liquid flow
    liquid parameters
    Opis:
    The article presents a procedure and the chosen results of numerical computations of liquid flow parameters, which use the data from their measurements realized on the test stand, for the model of formed suction intake with a rib, supplied by the screened open wet well. Comparative analysis of numerical computations and these determined by measurements, did concern the standard flow acceptance criteria.
    Źródło:
    Transactions of the Institute of Fluid-Flow Machinery; 2014, 126; 83-110
    0079-3205
    Pojawia się w:
    Transactions of the Institute of Fluid-Flow Machinery
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Steam turbines start-ups
    Autorzy:
    Banaszkiewicz, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/175428.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    turbine
    numerical computations
    liquid flow parameters
    Opis:
    The article presents a procedure and the chosen results of numerical computations of liquid flow parameters, which use the data from their measurements realized on the test stand, for the model of formed suction intake with a rib, supplied by the screened open wet well. Comparative analysis of numerical computations and these determined by measurements, did concern the standard flow acceptance criteria.
    Źródło:
    Transactions of the Institute of Fluid-Flow Machinery; 2014, 126; 169-198
    0079-3205
    Pojawia się w:
    Transactions of the Institute of Fluid-Flow Machinery
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Determination of interfacial parameters of horizontal two-phase plug flow using a high speed pulse-echo ultrasonic technique
    Autorzy:
    Masala, T.
    Harvel, G.
    Su, J.
    Chang, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/175381.pdf
    Data publikacji:
    2010
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    gas-liquid two-phase flow
    horizontal flow
    intermittent flow regimes
    ultrasonic techniques
    pulse-echo
    interfacial parameters
    Opis:
    This paper presents a high-speed, multiple-transducers, pulse-echo ultrasonic technique for the measurement of interfacial parameters of horizontal two-phase intermittent flow regimes. The ultrasonic system consisted of an ultrasonic driver, a multiplexer with 4 transducers, and a microcomputer equipped with a data acquisition card, a motion controller card and the Winspect Data Acquisition software. Two transducers were mounted on the top of a 2.1 cm inner diameter circular pipe, while the other two transducers were mounted on the bottom of the pipe. Using instantaneous liquid level measurements from multiple transducers, two-phase flow interfacial parameters in plug were determined, such as the lengths and the velocities of liquid plugs and bubbles, the shape of the gas-liquid interface, and hence instantaneous and cross sectional averaged void fraction and interfacial area. The results showed that the liquid plug velocities as well as the elongated bubble velocity increases with increasing superficial liquid and gas velocities. An experimental correlation for liquid plug velocity was proposed based on the present results. The results also showed that the time and cross-sectional averaged void fraction in the plug flow regime was only slightly influenced by the superficial gas velocity but was not influenced by the superficial liquid velocity.
    Źródło:
    Transactions of the Institute of Fluid-Flow Machinery; 2010, 122; 61-76
    0079-3205
    Pojawia się w:
    Transactions of the Institute of Fluid-Flow Machinery
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A study of flow boiling heat transfer in a rectangular minichannel using liquid crystal and infrared thermography
    Autorzy:
    Strąk, K.
    Piasecka, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/175560.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    flow boiling heat transfer
    rectangular minichannel
    enhanced foil surface
    liquid crystal thermography
    infrared thermography
    Opis:
    This paper presents results of flow boiling heat transfer in two parallel asymmetrically heated vertical minichannels. The heating element for Fluorinert FC-72 flowing in the minichannels was a thin foil with an enhanced surface on the side in contact with the fluid. The channels were observed from both sides through glass panes. Two of the panes allowed us to observe the two phase flow patterns on the enhanced surface of the foil, while the other two panes were used for simultaneous measurement of temperature on the smooth side of the foil. The temperature was measured by applying two contactless methods. One was liquid crystal thermography (LCT), which required treating the foil surface with thermochromic liquid crystals (TLCs), and the other was infrared thermography (IRT), which required coating the foil surface with black paint. Calculations were performed on the basis ofa one-dimensional model to determine the heat transfer coefficient at the foil-fluid interface from the Robin boundary condition. The experimental results were graphically represented as the foil temperature and the heat transfer coefficient against the distance from the minichannel inlet and as LCT and IRT images obtained for saturated boiling.
    Źródło:
    Transactions of the Institute of Fluid-Flow Machinery; 2015, 128; 97-118
    0079-3205
    Pojawia się w:
    Transactions of the Institute of Fluid-Flow Machinery
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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