Magami, Irfan Anjum Badruddin
(2006)
Numerical Investigation Of Heat And Mass Transfer In
Porous Medium Fixed With Various Geometries.
PhD thesis, Universiti Sains Malaysia.
Abstract
Usaha untuk memahami aliran haba dan jisim dalam bahanantara berliang
telah meningkat berlipat ganda penydidikam dalam bahanantara berliang telah
mengenalpasti beberapa aspek behantara berliang yang menghasilkan banyak
penulisan jurnal. Walau bagaimanapun, terdapat banyak ruang yang tidak dapat
dijawab berkaitan aliran haba dan jisim dalam bahanantara berliang. Kajian ini telah
dejalankan untuk menyiasat pemindahan haba dan jisim dalam bahantara berliang dan
meninjau ruang yang masih tidak dapat dijawab. Pelbagai fenomena seperiti
pemindahan haba, pemindahan haba dan jisim, kesan disipasi likat,
ketidakseimbangan keadaan terma antara fasa cecair dan pepejal bahantara berliang
dikaji dengan mangambil kira tiga geometri iaitu bahantara berliang di sepanjang plat
menegak, bahantara berliang di dalam ruang dan bahantara berliang dalam silinder
menegak. Selian itu, kesan perolakan semulajadi dan sinaran juga diambil kira.
The effort to understand the heat and fluid flow behavior inside the porous
medium has increased to many folds in the recent few decades. The intensified
research in porous medium has generally addressed many aspects of porous medium
resulting into enormous number of publications. In spite of the endeavoring effort, there
are many gaps left unanswered related to the heat and fluid flow behavior inside the
porous medium. The present study is undertaken to investigate the heat and mass
transfer in a porous medium and thus explore some of those unanswered areas. The
different phenomenon such as, heat transfer, heat and mass transfer, viscous
dissipation effect, the thermal non-equilibrium condition between fluid and solid phases
of the porous medium are investigated with respect to three basic geometries i.e.
porous medium adjacent to a vertical plate, porous medium enclosed in a cavity and
porous medium filled in vertical ann~lar cylinder. The combined effect of natural
convection and the radiation is investigated in all above mentioned phenomenon.
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