Topography Of Laminar And Oscillatory Thermal And Thermocapillary
Convection In A Czochralski Process
Author(s)
J.A. Szymczyk, J. Aleksic & P.Ch. Zielke
Abstract
Topography of laminar and oscillatory thermal
and thermocapillary convection in a
Czochralski process
J. A. ~ z ~ r n c z ~ k l , J. ~ l e k s i c ~ & P. Ch. 2ielke2
1 Department of Thermo Fluid Dynamics and Turbo Machines,
Fachhochschule Stralsund (University of Applied Sciences), Germany
2 Stralsund Institute for Energy and Environment e. K, Germany
Abstract
The Czochralski process is the most common method for growing large
semiconductor mono-crystals. All experiments and measurements for the
explanation and optimisation of the process were made on experimental
equipment simulating the process at room temperature. In melt thermocapillary,
thermal and forced convection are induced according to thermal, kinematical and
geometrical boundary conditions. Thermocapillary convection is a boundary
driven convection caused by a temperature gradient on the fluid surface. Because
of the friction the impulse of the flow is transmitted to deeper fluid layers and the
convection is spread through the whol
Keywords
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