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All Journal IPTEK The Journal for Technology and Science
Dedy Zul Hidayat Noor
Institut Technologi Sepuluh Nopember, Surabaya
Computer Science & IT

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Numerical Study of Mixed Convection in A Cooled Room Dedy Zul Hidayat Noor; Heru Mirmanto; Eddy Widiyono; liza rusdiyana
IPTEK The Journal for Technology and Science Vol 26, No 1 (2015)
Publisher : IPTEK, LPPM, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20882033.v26i1.570

Abstract

The present work is carried out to study laminar mixed convection heat transfer inside a rectangular cooled room numerically. The chosen model is considered as a representation of a room facing the sun with a floor releasing heat resulted by electronic components or human activities. The Reynolds number and Richardson number are varied from 100 to 400 and 0 to 3, respectively, in order to cover laminar mixed convection phenomena. For the considered range of Re dan Ri, the flow regimes fall into  three modes. The higher Nusselt numbers are found at the higher values of Re, on the other hand, the forced convection leads to higher heat transfer rate than the free/natural convection.
Co-Authors Eddy Widiyono Heru Mirmanto Liza Rusdiyana