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August 29, 2018, 07:39 |
Simulation Of Micro Heat Pipe
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New Member
Akashdeep Gangrade
Join Date: Jun 2018
Posts: 4
Rep Power: 8 |
I am doing the same type of problem i am trying to simulate the micro heat pipe in fluent, basically it is a heat pipe with condensation occurring at one end evaporation at other end and capillary forces due to change in curvature of vapour-liquid interface moves the fluid at corners from condenser section to evaporator and vapour move in central region
I have taken a 1000 micrometre pipe with 300mm of both evaporation and condenser section from both end and leaving 400 in between as adiabatic section cross-section of 100 X 100 micrometre Boundary Conditions- 10KW/m^2 @ evaporator -10KW/m^2 also in another case, i have given 363K at evaporator and 300K at a condenser I all case these boundary conditions are given at walls Methodology Primary Fluid - water-vapour Secondary Fluid-water-liquid I patched water in the evaporator section at the beginning Piso, momentum second order upwind, volume fraction- modified HRIC The problem I am facing while a simulation is that the liquid is evaporating in evaporation section but not condensing in condenser section i am using the VOF model with default condensation and evaporation model in fluent 19.0 I am new into all this any type of help is deeply appreciated, if anyone can share the fluent case of evaporation/condensation process it will be of great help Regards &Thankyou akashgangrade64@gmail.com http://www.image-maps.com/map_image.php |
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Tags |
evaporation condensation, heat and mass transfer, heatpipe, microchannels, vof multiphase |
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