Changes between Version 32 and Version 33 of doc/tec/microphysics
- Timestamp:
- May 22, 2018 3:02:29 PM (7 years ago)
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doc/tec/microphysics
v32 v33 129 129 }}} 130 130 where S is the supersaturation, ''R'',,c,, the integral radius and G(T,p) a function of temperature and pressure considering heat conductivity and diffusion. 131 Using this explicit approach the used timestep must fulfill a new criterion, since it is assumed that the supersaturation is constant during one timestep. The typical timescale is given by 132 #!Latex 133 \begin{align*} 134 & \left.\frac{\partial q_\mathrm{c}}{\partial t} 135 \right|_{\text{cond,evap}}= \frac{4 136 \pi\,G(T,p)}{\rho_\mathrm{a}}S\, R_\mathrm{c}, 131 Using this explicit approach the used timestep must fulfill a new criterion, since it is assumed that the supersaturation is constant during one timestep. The typical timescale is given by [#arnason1971 Arnason and Brown (1971)] 132 #!Latex 133 \begin{align*} 134 & \Delat t = 137 135 \end{align*} 138 136 }}} … … 411 409 == References == 412 410 413 * [=#arnason1971]'''Arnason G, Brown J P S.''' 1971. Growth of cloud droplets by condensation: A problem in computational stability. J. Atmos. Sci. 28: 72-77.411 * [=#arnason1971]'''Arnason G, Brown J.''' 1971. Growth of cloud droplets by condensation: A problem in computational stability. J. Atmos. Sci. 28: 72-77. 414 412 415 413 * [=#emanuel1994]'''Emanuel KA.''' 1994. Atmospheric Convection. Oxford University Press.