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- Q895274 subject Q15292066.
- Q895274 subject Q7138878.
- Q895274 abstract "In fluid dynamics, the Boussinesq approximation (pronounced: [businɛsk], named for Joseph Valentin Boussinesq) is used in the field of buoyancy-driven flow (also known as natural convection). It ignores density differences except where they appear in terms multiplied by g, the acceleration due to gravity. The essence of the Boussinesq approximation is that the difference in inertia is negligible but gravity is sufficiently strong to make the specific weight appreciably different between the two fluids. Sound waves are impossible/neglected when the Boussinesq approximation is used since sound waves move via density variations.Boussinesq flows are common in nature (such as atmospheric fronts, oceanic circulation, katabatic winds), industry (dense gas dispersion, fume cupboard ventilation), and the built environment (natural ventilation, central heating). The approximation is extremely accurate for many such flows, and makes the mathematics and physics simpler.".
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- Q895274 wikiPageWikiLink Q15292066.
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- Q895274 wikiPageWikiLink Q7138878.
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- Q895274 comment "In fluid dynamics, the Boussinesq approximation (pronounced: [businɛsk], named for Joseph Valentin Boussinesq) is used in the field of buoyancy-driven flow (also known as natural convection). It ignores density differences except where they appear in terms multiplied by g, the acceleration due to gravity.".
- Q895274 label "Boussinesq approximation (buoyancy)".