Browsing UiS Brage by Author "Rabenjafimanantsoa, Herimonja Andrianifaliana"
Now showing items 1-6 of 6
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Cfd analysis of low frequency oscillations in Newtonian and non-Newtonian fluids in a vertical pipe
Amaratunga, Polwattage Don Malitha Maduran; Rabenjafimanantsoa, Herimonja Andrianifaliana; Time, Rune Wiggo (Peer reviewed; Journal article, 2019)The effect of vertically imposed, low frequency oscillations on the rheology of shear-thinning non- Newtonian fluids are studied numerically by computational fluid dynamics (CFD). Both Newtonian (water) and inelastic ... -
Estimation of shear rate change in vertically oscillating non-Newtonian fluids: Predictions on particle settling
Amaratunga, Polwattage Don Malitha Maduran; Rabenjafimanantsoa, Herimonja Andrianifaliana; Time, Rune (Peer reviewed; Journal article, 2020)This study investigates the effect of oscillatory motion on velocity and shear rate change within different non-Newtonian, slightly viscoelastic fluids oscillated in a vertical U-shaped circular pipe. An estimation to ... -
An Experimental Study of the Enhanced Mass Transfer Process by CO2 Absorption for Carbon Storage in Saline Aquifers
Hansen, Tamara (Masteroppgave/UIS-TN-IEP/2020;, Master thesis, 2020-07-21)Diffusion of CO2 into water-based solutions generate an instability at the interface as a result of density differences. The rate of dissolution, the final saturation pressure and the mixing regime caused by convection ... -
Influence of low-frequency oscillatory motion on particle settling in Newtonian and shear-thinning non-Newtonian fluids
Amaratunga, Polwattage Don Malitha Maduran; Rabenjafimanantsoa, Herimonja Andrianifaliana; Time, Rune Wiggo (Peer reviewed; Journal article, 2021-01)An experimental study is performed to observe the effect of vertical fluid oscillations on the mean settling velocity of single spherical glass particles released into mixtures of water and polymeric fluids which exhibit ... -
Method for reconstruction of axisymmetric capillary wave surface topography using inverse ray-tracing of refracted laser sheet
Mukim, Vineet Vishnu; Time, Rune Wiggo; Kanade, Udayan Rajendra; Rabenjafimanantsoa, Herimonja Andrianifaliana (Peer reviewed; Journal article, 2022)Capillary waves can be used to measure the fundamental fluid properties such as surface tension as well as, potentially, the viscosity of Newtonian fluids. This requires the measurement of various wave parameters, mainly ... -
Oscillating Flow and Pressure Drop in Horizontal Pipes
Albriktsen, Mikela (Master thesis, 2022)The study’s main aim is to evaluate oscillating flow and pressure drop in horizontal pipes. First, the equipment is calibrated to ensure the correct flow rate. Calibra- tion is done with three methods. These are, Calibration ...