... in rotating cavities with a heated shroud and a relatively weak axial cooling throughflow. The conditions considered for a single cavity configuration correspond to Rossby numbers Ro = 0.2 and 0.3 , rotational Reynolds numbers Re Ω = 3.2 × 10 5 and 7.7 × 10 5 , and buoyancy parameters β Δ T = 0.24 and 0.26...

... received January 25, 2019; published online February 11, 2019. Editor: Jerzy T. Sawicki. 27 02 2018 25 01 2019 stator well rotating cavity leakage flow tangential velocity windage heating In the aero-engine, the need to separate rotating and stationary components would...

... engines heat transfer object-oriented methods orifices (mechanical) secondary air system orifice discharge coefficient rotating cavity preswirl system labyrinth seal performance The gas turbine secondary air system performs a variety of functions that are critical for the safe...