Temat: Conjugate - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Modelling and simulation of fluid flow and heat processes in a regenerator with ceramic chimney block checker work
Autorzy:: Zashkowa, L.
Penkova, N.
Powiązania:: https://bibliotekanauki.pl/articles/1965142.pdf
Data publikacji:: 2005
Wydawca:: Politechnika Gdańska
Tematy:: glass furnace regenerator
modelling
simulation
FEM
conjugate heat transfer
cyclic equilibrium
Opis:: Selected results of mathematical modelling and computer simulation of fluid flow and heat transfer processes in a glass furnace regenerator are reported. The conjugate heat transfer problem is solved in 3D using the ANSYS 8.0/FLOTRAN programme. The regenerator's geometry, finite element mesh, thermal loads and boundary conditions are presented. The momentum, continuity and energy equations are solved.
Źródło:: TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk; 2005, 9, 1; 133-142
1428-6394
Pojawia się w:: TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Modelling of influence of turbulent transition on heat transfer conditions
Autorzy:: Bochon, K.
Wróblewski, W.
Dykas, S.
Powiązania:: https://bibliotekanauki.pl/articles/1943251.pdf
Data publikacji:: 2008
Wydawca:: Politechnika Gdańska
Tematy:: laminar-turbulent transition
Conjugate Heat Transfer (CHT)
computational fluid dynamics CFD
Opis:: This article deals with the turbulent transition phenomenon modelling and its influence on heat transfer. The purpose of the analyses was to verify the transition modelling implemented in the ANSYS CFX 11 commercial code for popular test cases (low flow speed) described in literature, and then use it for verification of the in-house CFD code (created for compressible flows). The inhouse CFD code has been extended lately for the Conjugate Heat Transfer modelling (CHT) as well, taking into account important flow effects, especially the turbulent transition. A Wilcox k-omega turbulence model with the Low-Reynolds modification was used in the in-house code. The calculations in ANSYS CFX were made using an SST turbulence model and a gamma-theta transition model. A fully turbulent flow was modelled by means of both codes, and the results were compared with the available experimental data. Then, the turbulent transition for several test cases was analysed with ANSYS CFX. Afterwards, the in-house CFD code was verified by means of ANSYS CFX for a higher flow speed (Mach numbers). The CHT modelling was analysed by means of both codes and the results were compared and discussed. The conducted analyses show that the results obtained by means of both codes are comparable, but the turbulence model used in the in-house CFD code is simpler and requires less computation time. A modification of two equations turbulence models can be an alternative for design problems in more developed laminar/turbulent flows.
Źródło:: TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk; 2008, 12, 3-4; 173-184
1428-6394
Pojawia się w:: TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Thermal and fluid flow fields in a regenerator with ceramic chimney block checker work
Autorzy:: Zashkowa, L.
Penkova, N.
Powiązania:: https://bibliotekanauki.pl/articles/1965141.pdf
Data publikacji:: 2005
Wydawca:: Politechnika Gdańska
Tematy:: glass furnace
regenerator
conjugate heat transfer
cyclic equilibrium
FEM
thermal fields
modelling
Opis:: Selected results of mathematical modelling and computer simulation of transient conjugate heat transfer in a vertical contraflow glass furnace regenerator are reported. The problem is solved three-dimensionally (3D) using the ANSYS 8.0/FLOTRAN program. The main regenerator fluid flow and thermal fields about a cyclic equilibrium of the regenerator are visualized. Heat and fluid flow parameters for the regenerator's cyclic equilibrium are presented by Tm=Tm(H',t); Tm,f=Tm,f(H',t); hm=hm(H',t); V=V(H',t); k=k(H',t) and ε=ε(H',t) graphics. Remarks about transient heat transfer in this kind of regenerators are made based on the obtained numerical values and relationships.
Źródło:: TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk; 2005, 9, 1; 143-151
1428-6394
Pojawia się w:: TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk
Dostawca treści:: Biblioteka Nauki

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