NUMERICAL ANALYSIS OF TWO-FLUID MIXING WITH VARIOUS DENSITY AND VISCOSITY IN AMICROCHANNEL WITH FORCED OSCILLATING STIRRER

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GHANBARI SAJAD; SEFID MOHAMMAD; SHAMSODDINI RAHIM

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Journal: Modares Mechanical Engineering Year:2016 | Volume:16 | Issue:8 Page(s): 0-0

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Title

NUMERICAL ANALYSIS OF TWO-FLUID MIXING WITH VARIOUS DENSITY AND VISCOSITY IN AMICROCHANNEL WITH FORCED OSCILLATING STIRRER

Author(s)

GHANBARI SAJAD | SEFID MOHAMMAD | SHAMSODDINI RAHIM | Issue Writer Certificate

Keywords

MIXINGQ1

MIXERQ1

MICROCHANNELQ1

DENSITYQ2

VISCOSITYQ1

Abstract

In the present study, the MIXING of two incompressible miscible fluids with different DENSITY andviscosity has been investigated in a two-dimensional MICROCHANNEL equipped with an oscillating stirrerin different excitation frequencies. Although most studies in the field of fluid MIXING have studied themixer performance when the two fluids were absolutely identical, the MIXING makes sense when twofluids have non-uniformity such as different temperature, concentration or properties. The aim of thisstudy is to evaluate the effect of various properties of the fluids in MIXER performance and MIXING value.Simulation has been performed in Re=100 and Sc=10, between 0.1 and 1 Strouhal number by usingelement based finite volume method by means of commercial code CFX. MIXER performance has beenevaluated in three different modes: MIXING of two identical fluids, MIXING of two fluids with differentdensity and MIXING of two fluids with different VISCOSITY. The results show that, MIXING of the fluidswith different properties leads to change in MIXER performance, and has unique performance in eachcase. In comparison with similar properties fluids, MIXING of fluids with different VISCOSITY and DENSITYshow lesser tendency in MIXING. It has been shown that variation of Strouhal number has lesser effect onMIXING index changes. The ratio of maximum MIXING index changes to base MIXING index in the case ofdifferent DENSITY and VISCOSITY is 54.01 and 51.15 percent, respectively, while the value is 577.94percent for the MIXING of similar fluids.

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APA: Copy

GHANBARI, SAJAD, SEFID, MOHAMMAD, & SHAMSODDINI, RAHIM. (2016). NUMERICAL ANALYSIS OF TWO-FLUID MIXING WITH VARIOUS DENSITY AND VISCOSITY IN AMICROCHANNEL WITH FORCED OSCILLATING STIRRER. MODARES MECHANICAL ENGINEERING, 16(8), 0-0. SID. https://sid.ir/paper/359161/en

Vancouver: Copy

GHANBARI SAJAD, SEFID MOHAMMAD, SHAMSODDINI RAHIM. NUMERICAL ANALYSIS OF TWO-FLUID MIXING WITH VARIOUS DENSITY AND VISCOSITY IN AMICROCHANNEL WITH FORCED OSCILLATING STIRRER. MODARES MECHANICAL ENGINEERING[Internet]. 2016;16(8):0-0. Available from: https://sid.ir/paper/359161/en

IEEE: Copy

SAJAD GHANBARI, MOHAMMAD SEFID, and RAHIM SHAMSODDINI, “NUMERICAL ANALYSIS OF TWO-FLUID MIXING WITH VARIOUS DENSITY AND VISCOSITY IN AMICROCHANNEL WITH FORCED OSCILLATING STIRRER,” MODARES MECHANICAL ENGINEERING, vol. 16, no. 8, pp. 0–0, 2016, [Online]. Available: https://sid.ir/paper/359161/en

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