Théorie analytique de la chaleur¶
Boussinesq, J. (1903). Théorie analytique de la chaleur.
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1 citation across 1 artifact.
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Primes¶
- Convection
- Fluid medium. A fluid (liquid, gas, partially molten rock, plasma) capable of flowing coherently over the scales of interest. Density gradient. A spatial density contrast exists, typically arising from temperature gradients (thermal convection) or compositional gradients (double-diffusive or compositional convection). Buoyancy force exceeds stabilizing resistance. The
This sourceIntroduces the Boussinesq approximation: density variations are neglected throughout the equations of motion except where they are multiplied by gravity in the buoyancy term, yielding a quasi-incompressible system in which buoyancy is the driving force.
Supported in partVerified against the work's full text
Boussinesq's introduction says heat-induced density change in weighty fluids is the cause of convective motion, but he gives no compositional case and no threshold balancing buoyancy against resistance.
“dans la plupart des mouvements provoqués parla chaleur sur nos fluides pesants, les volumes ou les densités se conservent à très peu près, quoique la variation correspondante du poids de Tunité de volume fluide soit justement la cause des ph”
- Fluid medium. A fluid (liquid, gas, partially molten rock, plasma) capable of flowing coherently over the scales of interest. Density gradient. A spatial density contrast exists, typically arising from temperature gradients (thermal convection) or compositional gradients (double-diffusive or compositional convection). Buoyancy force exceeds stabilizing resistance. The
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