CFD analýza přestupu tepla v míchané nádobě se středovou trubkou
CFD analysis of heat transfer in agitated vessel with draft tube
Typ dokumentu
diplomová prácemaster thesis
Autor
Luis Alberto Torres Tapia
Vedoucí práce
Petera Karel
Oponent práce
Dostál Martin
Studijní obor
Procesní technikaStudijní program
Strojní inženýrstvíInstituce přidělující hodnost
ústav procesní a zpracovatelské technikyPráva
A university thesis is a work protected by the Copyright Act. Extracts, copies and transcripts of the thesis are allowed for personal use only and at one?s own expense. The use of thesis should be in compliance with the Copyright Act http://www.mkcr.cz/assets/autorske-pravo/01-3982006.pdf and the citation ethics http://knihovny.cvut.cz/vychova/vskp.htmlVysokoškolská závěrečná práce je dílo chráněné autorským zákonem. Je možné pořizovat z něj na své náklady a pro svoji osobní potřebu výpisy, opisy a rozmnoženiny. Jeho využití musí být v souladu s autorským zákonem http://www.mkcr.cz/assets/autorske-pravo/01-3982006.pdf a citační etikou http://knihovny.cvut.cz/vychova/vskp.html
Metadata
Zobrazit celý záznamAbstrakt
Computational fluid dynamics (CFD) analysis of heat transfer in agitated vessel with a draft tube was performed by using Moving Reference Frame (MRF) approach and SST k-w model in ANSYS Fluent. First, simulations for different time intervals (0-200 seconds) were run to compare the heat transfer coefficient from Fluent and energy balance. In addition, a proper simulation time interval was found for the following set of simulations. Next, simulations for different rotational speeds were performed, applying SST k-w model with different options activated, in order to compare which method fits better with published correlations. As a result, SST k-w model with Production Limiter and Production Kato-Launder was used for the subsequent simulations for different position of the draft tube with respect to the vessel bottom (h/d= 0,5 and 0,25). A correlation describing Nusselt number in terms of the Reynolds number, Prandtl number and dimensionless distance (h/d) was obtained and was compared with published correlations. Computational fluid dynamics (CFD) analysis of heat transfer in agitated vessel with a draft tube was performed by using Moving Reference Frame (MRF) approach and SST k-w model in ANSYS Fluent. First, simulations for different time intervals (0-200 seconds) were run to compare the heat transfer coefficient from Fluent and energy balance. In addition, a proper simulation time interval was found for the following set of simulations. Next, simulations for different rotational speeds were performed, applying SST k-w model with different options activated, in order to compare which method fits better with published correlations. As a result, SST k-w model with Production Limiter and Production Kato-Launder was used for the subsequent simulations for different position of the draft tube with respect to the vessel bottom (h/d= 0,5 and 0,25). A correlation describing Nusselt number in terms of the Reynolds number, Prandtl number and dimensionless distance (h/d) was obtained and was compared with published correlations.
Kolekce
- Diplomové práce - 12118 [160]