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مکانیک::
شناوری، شناوری
A laminar steady state buoyancy model was developed for the MCT collector.
In purely natural convection problems, the Rayleigh Number (Ra) indicates the relative strength of the buoyancy induced flow, and is given by
4.2.2 Buoyancy model
Natural convection flows can be modelled by the inclusion of a buoyancy source term.
The full buoyancy model was adopted for convection simulation inside the MCT where fluid density is a function of temperature.،The Bond number represents the ratio of buoyancy forces to interfacial tension forces.
The similarity in large-scale structure is despite a tremendous difference in Reynolds number and buoyancy effects.
We believe that these buoyancy- driven vortices are responsible for low-frequency instabili- ties of the flame surface, the 12 Hz flame flicker frequency observed at low Reynolds number, and the wrinkled flame appearance at high Reynolds numbers.
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