Rotary Entrainment in Two Phase Stratified Gas-Liquid Layers: An Experimental Study
Rotary entrainment is a phenomenon in which the
interface of two immiscible fluids are subjected to external flux by
means of rotation. Present work reports the experimental study on
rotary motion of a horizontal cylinder between the interface of air and
water to observe the penetration of gas inside the liquid. Experiments
have been performed to establish entrainment of air mass in water
alongside the cylindrical surface. The movement of tracer and seeded
particles has been tracked to calculate the speed and path of the
entrained air inside water. Simplified particle image velocimetry
technique has been used to trace the movement of particles/tracers at
the moment they are injected inside the entrainment zone and
suspended beads have been used to replicate the particle movement
with respect to time in order to determine the flow dynamics of the
fluid along the cylinder. Present paper establishes a thorough experimental analysis of the
rotary entrainment phenomenon between air and water keeping in
interest the extent to which we can intermix the two and also to study
its entrainment trajectories.
[1] S. Tharmalingam and W L Wilkinson, “The coating of Newtonian
liquids onto a rotating roll,” Chemical Engineering Science, Vol. 33,pp.
1481-1487, 20th March 1978.
[2] O. H. Campanella and R. L. Cerro, “Viscous flow on the outside of a
horizontal rotating cylinder: The roll coating regime with a single fluid,”
Chemical Engineering Science, Vol. 39(10), pp. 1443-1449, 1984.
[3] Osvaldo H. Campanella and Jorge L. Galazzo and Ramón L. Cerro,
“Viscous flow on the outside of a horizontal rotating cylinder--- II. Dip
coating with a Non-Newtonian fluid,” Chemical Engineering Science,
Vol. 41, No. 11, pp. 2707-2713, 1986.
[4] Cerro R.L. and Scriven L.E., Rapid free surface flows: an integral
approach, 1980, Ind. Engng Chem. Fundam. 19, 40.[5] Osvaldo H. Campanella and Ramón Luis Cerro, “Viscous flow on the
outside of a horizontal rotating cylinder---III. Selective coating of two
immiscible fluids,” Chemical Engineering Science, Vol. 41, No. 11, pp.
2713-2721, 1986.
[6] Seung-Hwan Yu, Kwan-Soo Lee, Se-JinYook, “Film flow around a fast
rotating roller.” International Journal of Heat and Fluid Flow 30(2009)
796-803.
[1] S. Tharmalingam and W L Wilkinson, “The coating of Newtonian
liquids onto a rotating roll,” Chemical Engineering Science, Vol. 33,pp.
1481-1487, 20th March 1978.
[2] O. H. Campanella and R. L. Cerro, “Viscous flow on the outside of a
horizontal rotating cylinder: The roll coating regime with a single fluid,”
Chemical Engineering Science, Vol. 39(10), pp. 1443-1449, 1984.
[3] Osvaldo H. Campanella and Jorge L. Galazzo and Ramón L. Cerro,
“Viscous flow on the outside of a horizontal rotating cylinder--- II. Dip
coating with a Non-Newtonian fluid,” Chemical Engineering Science,
Vol. 41, No. 11, pp. 2707-2713, 1986.
[4] Cerro R.L. and Scriven L.E., Rapid free surface flows: an integral
approach, 1980, Ind. Engng Chem. Fundam. 19, 40.[5] Osvaldo H. Campanella and Ramón Luis Cerro, “Viscous flow on the
outside of a horizontal rotating cylinder---III. Selective coating of two
immiscible fluids,” Chemical Engineering Science, Vol. 41, No. 11, pp.
2713-2721, 1986.
[6] Seung-Hwan Yu, Kwan-Soo Lee, Se-JinYook, “Film flow around a fast
rotating roller.” International Journal of Heat and Fluid Flow 30(2009)
796-803.
@article{"International Journal of Chemical, Materials and Biomolecular Sciences:71525", author = "Yagya Sharma and Basanta K. Rana and Arup K. Das", title = "Rotary Entrainment in Two Phase Stratified Gas-Liquid Layers: An Experimental Study", abstract = "Rotary entrainment is a phenomenon in which the
interface of two immiscible fluids are subjected to external flux by
means of rotation. Present work reports the experimental study on
rotary motion of a horizontal cylinder between the interface of air and
water to observe the penetration of gas inside the liquid. Experiments
have been performed to establish entrainment of air mass in water
alongside the cylindrical surface. The movement of tracer and seeded
particles has been tracked to calculate the speed and path of the
entrained air inside water. Simplified particle image velocimetry
technique has been used to trace the movement of particles/tracers at
the moment they are injected inside the entrainment zone and
suspended beads have been used to replicate the particle movement
with respect to time in order to determine the flow dynamics of the
fluid along the cylinder. Present paper establishes a thorough experimental analysis of the
rotary entrainment phenomenon between air and water keeping in
interest the extent to which we can intermix the two and also to study
its entrainment trajectories.", keywords = "Entrainment, gas-liquid flow, particle image
velocimetry, stratified layer mixing.", volume = "9", number = "12", pages = "1367-6", }