title   
  

Effect of shear heat on hydrodynamic lift of brush seals in oil sealing

Duran, Ertuğrul Tolga and Akşit, Mahmut Faruk (2010) Effect of shear heat on hydrodynamic lift of brush seals in oil sealing. In: STLE 65th STLE Annual Meeting & Exhibition, Las Vegas, Nevada

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Abstract

Importance of hydrodynamic lift clearance has been stated in previous studies [1, 2, 3]. At those studies, derivation of closed form function for oil temperature has been performed and the shear heat dissipation effect has been successfully integrated into the lift force formulation. Oil pressure is successfully derived by tracking three different ways, all of which give very similar results to each other. All these analyses are advanced fluid mechanics and heat transfer analyses, which give consistent results with real-life applications. In this study, function of shear heating effect included in hydrodynamic lift clearance formulation. For a different pressure loads (which is a design parameter and known), change of hydrodynamic lift clearance with rotor surface speed can be found without requiring any experimental leakage data. Furthermore, theoretic lift clearance has consistency with the experimental lift data.

Item Type:Papers in Conference Proceedings
Subjects:T Technology > TJ Mechanical engineering and machinery
ID Code:16085
Deposited By:Mahmut Faruk Akşit
Deposited On:07 Dec 2010 10:38
Last Modified:07 Dec 2010 10:38

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