EPJ Web of Conferences
Volume 76, 2014Thermophysical Basis of Energy Technologies
|Number of page(s)||7|
|Published online||27 August 2014|
Convective heat transfer in a closed two-phase thermosyphon
1 Institute of Power Engineering, National Research Tomsk Polytechnic University, Tomsk, Russia
2 Mechanical engineering Department College of engineering, the University of Mustansiriyah, Baghdad, Iraq
3 Faculty of Mechanics and Mathematics, Tomsk State University, Tomsk, Russia
a Corresponding author: email@example.com
Published online: 27 August 2014
A numerical analysis of heat transfer processes and hydrodynamics in a two-phase closed thermosyphon in a fairly wide range of variation of governing parameters has been investigated. A mathematical model is formulated based on the laws of mass conservation, momentum and energy in dimensionless variables “stream function – vorticity vector velocity – temperature”. The analysis of the modes of forced and mixed convection for different values of Reynolds number and heat flows in the evaporation zone, the possibility of using two-phase thermosyphon for cooling gas turbine blades, when the heat is coming from the turbine blades to the thermosyphon is recycled a secondary refrigerant has been studied with different values of the centrifugal velocity. Nusselet Number, streamlines, velocity, temperature fields and temperature profile has been calculated during the investigation.
© Owned by the authors, published by EDP Sciences, 2014
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