Natural convection in a cavity with time-dependent flux boundary
Conference Publication ResearchOnline@JCUAbstract
Numerical simulations have been carried out to investigate the unsteady natural convection flow in a cavity subjected to a sidewall heat flux varying sinusoidally with time. With all walls non-slip and the upper and lower boundaries and one sidewall adiabatic, the heating and cooling on the other sidewall produces an alternating direction natural convection boundary layer that discharges hot fluid to the top and cold fluid to the bottom of the cavity, generating a strong and time-varying thermal stratification in the cavity interior. The thermal stratification is shown to be strongly dependent on the forcing frequency.
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Publication Name
AFCM2020: 22nd Australasian Fluid Mechanics Conference
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ISBN/ISSN
978-1-74272-341-9
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Pages Count
4
Location
Brisbane, QLD, Australia
Publisher
The University of Queensland
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Publisher Location
Brisbane, QLD, Australia
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DOI
10.14264/e02d05f