Reduced order modelling for flooding onset prediction
Abstract eng: We investigate numerically the flooding onset occurring in two-layer channel flows at low density contrast and low surface tension. An integral film model is used in the bottom layer, which is supposed much thinner than the interfacial wavelength. This lowdimensional model allows us to cut down the computational cost and data with respect to DNS (Direct Numerical Simulation). The validation of our methodology is achieved by comparing the growth rate of linear wave with the Orr-Sommerfeld theory, and the non-linear wave profiles with DNS.
Publisher:
International Union of Theoretical and Applied Mechanics, 2016
Conference Title:
Conference Title:
24th International Congress of Theoretical and Applied Mechanics
Conference Venue:
Montreal (CA)
Conference Dates:
2016-08-21 / 2016-08-26
Rights:
Text je chráněný podle autorského zákona č. 121/2000 Sb.
Record appears in:
Record created 2016-11-15, last modified 2016-11-15
guest ::
