https://www.wolframalpha.com/input?i=Rayleigh+number+formula
Rayleigh number formula - Wolfram|Alpha
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https://journals.tubitak.gov.tr/math/vol31/iss2/2/
"Rayleigh Number in a Stability Problem for a Micropolar Fluid" by IOANA FLORICA DRAGOMIRESCU
Approximate numerical evaluations of the Rayleigh number are obtained for a stability problem of thermal convection in a heat-conducting micropolar fluid layer...
rayleigh numberstabilityproblemfluidioana
https://www.e3s-conferences.org/articles/e3sconf/abs/2019/54/e3sconf_icchmt2019_08001/e3sconf_icchmt2019_08001.html
Large eddy simulation of high atwood number rayleigh-taylor mixing | E3S Web of Conferences
E3S Web of Conferences, open access proceedings in environment, energy and earth sciences
web conferenceslargeeddysimulationhigh