Journal
KSME INTERNATIONAL JOURNAL
Volume 14, Issue 5, Pages 547-552Publisher
KOREAN SOC MECHANICAL ENGINEERS
DOI: 10.1007/BF03185657
Keywords
fractional step method; mass flow rate; spatially periodic flows; channel flow; pipe flow
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The objective of this paper is to present a modified fractional step method of keeping a constant mass flow rate in spatially periodic flows, because original fractional step methods do not precisely keep the mass flow rate constant in time. In the modified method, the mean and fluctuating pseudo-pressure gradients are separately obtained at each time step. This method is successfully applied to channel and pipe flows and shown to be suitable for maintain:lng a constant mass flow rate in time.
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