Sentences with phrase «assumes hydrostatic equilibrium»
The International Astronomical Union defines «planet» as a celestial body that, within the Solar System that is in orbit around the Sun; has sufficient mass for its self - gravity to overcome rigid body forces so that it assumes a hydrostatic equilibrium (nearly round) shape; and has cleared the neighbourhood around its orbit; or within another system, it is in orbit around a star or stellar remnants; has a mass below the limiting mass for thermonuclear fusion of deuterium; and is above the minimum mass / size requirement for planetary status in the Solar System.
https://www.sciencedaily.com/ Not exact matches
As I said above, total air rather than dry air is used because we assume a priori that total air conforms to hydrostatic equilibrium.
Moreover, all the derivations are made assuming that the hydrostatic equilibrium is exact.
We have delta p determined by surface water vapor pressure which we can «spread» over the horizontal dimension by assuming the atmosphere being vertically in hydrostatic equilibrium.
Next, we assume as before that the atmosphere is in hydrostatic equilibrium.