The effect of mixed convection on the thermal field of horizontal channel flow

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21220%2F18%3A00329141" target="_blank" >RIV/68407700:21220/18:00329141 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1051/epjconf/201818002019" target="_blank" >http://dx.doi.org/10.1051/epjconf/201818002019</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1051/epjconf/201818002019" target="_blank" >10.1051/epjconf/201818002019</a>

Result language
angličtina
Original language name
The effect of mixed convection on the thermal field of horizontal channel flow
Original language description
An experimental study was conducted to investigate the thermal field of low-speed flow of moist-air in a horizontal rectangular duct, uniformly heated from below (Poiseuille-Benard flow). Averaged temperature fields were measured in vertical mid-plane using thermocouples. The buoyancy-induced secondary flow is interacting with forced Poiseuille flow which leads to complex flow behaviour with flow reversal along the top surface. Two types of bottom boundary conditions were examined: aluminium plate (only heat transfer) and water film (simultaneous heat and mass transfer) heated to the same temperature. Presence of mass transfer causes stronger transient behaviour above the bottom surface and enhancing of heat transfer, but the overall character of the thermal field remains the same as in case of heat transfer only.
Czech name
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Czech description
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Publication year
2018
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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