... flowing bubbly flow in a vertical pipe and the results are compared with previous experimental work of Hibiki et al. (2001, “Axial Interfacial Area Transport of Vertical Bubbly Flows,” Int. J. Heat Mass Transfer, 44(10), pp. 1869–1888). The EEDPM model is able to reasonably predict the locally different...

...,” coalescence and breakup induced by approaching bubble(s). The effects of jet impact velocity on the bubble behaviors were investigated for impact velocities from 1.0 to 1.36 m/s, in the presence of a shear flow environment. 02 10 2017 16 03 2018 Bubbly flows Jets Figure 9 shows...

... . Manuscript received August 30, 2017; final manuscript received December 8, 2017; published online January 30, 2018. Assoc. Editor: Hui Hu. 30 08 2017 08 12 2017 Aerodynamics Bubbly flows Cavitation Multiphase flows In liquids, two types of cavitation may occur. On the one...

... ] was not considered here. A comparison is attempted between the present solution and the numerical solution of Wang and Tong [ 26 ].Their pipe diameter was 0.025 m, but they did not specify the length of the bubble. 17 02 2017 05 11 2017 Bubbly flows Drag Fluid transients Gas-liquid...

.... 24 08 2016 06 09 2017 Bubbly flows Experimental techniques Fluid-structure interaction Gas-liquid Measurement techniques Multiphase flows Fluid mechanics Undissolved air in the form of very small bubbles dispersed throughout the bulk of an oil (entrained air) or as surface...

... July 27, 2016; final manuscript received May 15, 2017; published online August 10, 2017. Assoc. Editor: Elias Balaras. 27 07 2016 15 05 2017 Bubbly flows Cavitation Cavity flows Duct Gas-liquid Pipe flows Channel Requirements like reliability and efficiency...

... ]. However, with the continuing development of computing power, a third category could be added. This third category consists of applying the analytical models of the first two categories to numerical simulations of multiphase bubbly flows with coalescence events. In the presented research, we develop...

.../1.4000739 [43] Shi , L. K. , Riba , J. P. , and Angelino , H. , 1990 , “ Estimation of Effective Shear Rate for Aerated Non-Newtonian Liquids in Airlift Bioreactor ,” Chem. Eng. Commun. , 89 ( 1 ), pp. 25 – 35 . 10.1080/00986449008940556 Bubbly flows Gas-liquid Bubble...

..., 2017. Assoc. Editor: Zhongquan Charlie Zheng. 18 02 2016 27 01 2017 Bubbly flows Particle flows Turbulence Bubbles have a significant impact on the flow field within both the surrounding fluid and the bubble itself. These altered flow fields can affect other properties...

... distribution is suitable to describe the chord length distribution of the bubbly flows in cavitation region. The values of mean chord length c M in the supercavitating flows are around 2.9–4.8 mm. In contrast, c M ranging from 1.9 mm to 4.4 mm is relatively small in the sheet/cloud cavitating flows...

... ] reported attenuations of 0.2–0.4 m −1 in bubbly flows for artificially generated frequencies varying between 50 and 300 Hz at a 10% void fraction. Although acoustic attenuation is detectable in short pipes (<5 m) under these test conditions, they are not representative of an acoustic transient...

... are in good agreement with experiments on upward bubbly flows over a flat plate, and upward and downward flows in pipes. An additional advantage of the proposed technique is that it replaces the wall force model, which has a significant degree of uncertainty in turbulent flow modeling, with a simpler...

...Jamel Chahed; Aroua Aouadi; Mariem Rezig; Ghazi Bellakhal Many experiments demonstrate that the bubble relative (slip) velocities in vertical turbulent sheared bubbly flows are significantly lower than those in quiescent infinite fluid. Moreover, vertical bubbly jet experiments performed by Sun...

...; final manuscript received April 11, 2016; published online July 15, 2016. Assoc. Editor: Mark R. Duignan. 10 06 2015 11 04 2016 Bubbly flows Gas-liquid Multiphase flows Gas–liquid two-phase flow in a bubble plume tank is widely used in many engineering systems...

... of ASME for publication in the J OURNAL OF F LUIDS E NGINEERING . Manuscript received January 10, 2016; final manuscript received April 19, 2016; published online July 15, 2016. Assoc. Editor: Samuel Paolucci. 10 01 2016 19 04 2016 Bubbly flows Computational fluid dynamics Gas...

... received May 7, 2016; published online July 15, 2016. Assoc. Editor: Mark R. Duignan. 05 06 2015 07 05 2016 Bubbly flows Gas-liquid Hydrodynamics Multiphase flows Hydrodynamics and physicochemical properties are of utmost interest in studying bubble and droplet formation...

... [ 11 ]. Hence, viscous effects could be considered secondary while analyzing discrete bubbly flows which make potential flow theory an appropriate candidate to estimate the coefficients used in the TFM. This would ensure consistency with virtual mass coefficients for nonspherical shapes which were...

... and Reynolds number based on the cavity length of order 10 5 ). Bubbly flows Cavitation Cavity flows Gas-liquid Multiphase flows Small noncondensable gas bubbles are typically present in the wake of partial cavitation. Partial cavitation is often associated with a low-pressure region of flow...

... . Manuscript received November 19, 2014; final manuscript received August 25, 2015; published online October 9, 2015. Assoc. Editor: Mark R. Duignan. 19 11 2014 25 08 2015 Bubbly flows Gas-liquid Multiphase flows The effect of bubble size is considered important in many different...

... in the bubbly flow regime is proposed using the commercial software ansys fluent . The three-dimensional (3D) transient simulations have been performed considering a set of nondrag forces and polydispersity. It is shown that the errors in the global holdup and in the local properties are below 7% and 16...