Número de Grashof

O número de Grashof, denotado por , assim denominado em homenagem ao engenheiro alemão Franz Grashof, é um número adimensional da mecânica dos fluidos. Fornece a relação entre a sustentação de um fluido em relação à viscosidade.

O número é definido por

sendo

Na dedução da adimensionalização das equações de Navier-Stokes resulta e equação equivalente à acima apresentada

  • volume específico à temperatura (no SI: kg/m³)
  • volume específico à.temperatura

Ligações externas


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