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Phrases with «convection zone»

A convection zone refers to a layer or region in a fluid or gas where heat is transferred through the movement of particles. It is often found in stars, including our sun, where hot material rises to the surface and cooler material sinks back down. Full definition

Sentences with «convection zone»

  • Processes taken into account included (i) air mixing by pressure and temperature gradients down to a few meters below the surface (i.e., the so - called convection zone); (ii) molecular diffusion in the open pore space and gravitational fractionation (entrainment toward the deeper firn depends on concentration gradients, diffusivities, and molar mass); and (iii) a downward air flux in the open porosity zone due to bubble closure removing air from the open pores. (pnas.org)
  • However, this model does not take turbulence into account unlike the model studied in the SPOTSIM project, where sunspots are believed to form near the Sun's surface, in its convection zone. (sciencedaily.com)
  • The common assumption has been that magnetic fields are thin tube - like structures at the bottom of the Sun's convection zone in the thin tachocline at a depth of 200,000 kilometres, from where they erupt to the surface and form sunspots. (sciencedaily.com)
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