2015•Applied Mechanics and MaterialsOpen access

Study of the Influence of Labyrinth Seal Clearance on Gearbox Leakage with Gas-Fluid Two-Phase Mixture

Wei He, Chen Wang, Ying Hui Zhang

Abstract

Established two-dimensional axisymmetric staggered tooth shape labyrinth seal grid model by GAMBIT software, simulated oil-air two-phase mixture flow field within labyrinth seal by fluent software, confirmed the best grid size of numerical calculation, studied the seal mechanism and influence of gap width variation on the leakage. The results show that when fluid flows through the narrow clearance, its velocity increases and pressure decreases. The optimized clearance width within 0.5mm to 1.0mm is preferable.

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Available abstract

Key concepts: Gambit, Fluent, Labyrinth seal, Leakage (economics), Mechanics, Seal (emblem), Materials science, Rotational symmetry