1 Ocak 2013 Dergi makalesi Açık Erişim

Olgac, Ufuk; Izbassarov, Daulet; Muradoglu, Metin

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        "affiliation": "Koc Univ, Dept Mech Engn, TR-34450 Istanbul, Turkey", 
        "name": "Olgac, Ufuk"
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        "affiliation": "Koc Univ, Dept Mech Engn, TR-34450 Istanbul, Turkey", 
        "name": "Izbassarov, Daulet"
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      {
        "affiliation": "Koc Univ, Dept Mech Engn, TR-34450 Istanbul, Turkey", 
        "name": "Muradoglu, Metin"
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    "description": "Small-amplitude oscillations of a viscous drop that is in a partial contact with a flat substrate are investigated computationally using a finite-difference/front-tracking method. Emphasis is placed on the first mode resonance frequency response of the droplet for a wide range of contact angles. It is found that numerical results converge to the theoretical predictions of Strani and Sabetta (Strani M, Sabetta F. J Fluid Mech 1984;141:223-47) for high contact angles, whereas considerable discrepancy is observed as contact angle decreases. However, the dependence of the frequency on the drop radius, drop density and surface tension coefficient remains the same as predicted by the Strani and Sabetta theory. It is also found that the effects of density and viscosity ratio become insignificant for the density and viscosity ratios larger than 10. The oscillations are found to be damped exponentially in time due to viscous dissipation similar to the case of an isolated droplet and the damping rate decreases with increasing contact angle. (c) 2013 Elsevier Ltd. All rights reserved.", 
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      "pages": "152-158", 
      "title": "COMPUTERS & FLUIDS", 
      "volume": "77"
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    "title": "Direct numerical simulation of an oscillating droplet in partial contact with a substrate"
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