Tuesday, August 13, 2019

Effect of oil viscosity on the flow structure in in horizontal Assignment

Effect of oil viscosity on the flow structure in in horizontal oilwater flow - Assignment Example The oil viscosity effect on pattern structure of flow was evaluated by relating the existing experiment data with that of Raj et al. (2005) Angeli and Hewitt (2000). The relationship gave a number of imperative outcomes. For instance, the velocity of water necessary to start the shift to non-stratified flow at small velocities of oil rose as the viscosity of oil became greater than before despite the fact that it reduced at greater velocities of oil. The development of annular and bubbly flows and the level of double continuous section were seen to increase with the increase in ratio of oil–water viscosity ratio. The oil looked discrete in water as soon as oil viscosity decreased as was seen before in studies done before. The oil viscosity effect on pressure rise was also researched by relating the outcomes with Chakrabarti et al. (2005) and Angeli and Hewitt (1998). One of the key outcomes is the great inconsistency between the results of pressure rise that is accredited to the oil viscosity difference. The dissimilarities between the outcomes increase at greater velocities of oil. The prevalent pressure values differences were seen in flow section in which oil is in the phase of continuous flow. On the other hand, for discrete water with oil (Do/w), the values of pressure gradient seen at similar circumstances are almost similar. A modest relationship was established to calculate the pressure rise in this system. The re lationship was endorsed by the use of new investigation data. Lastly, the oil viscosity effect on pressure rise estimation was examined by use of the liquid-liquid flow model for a flow that is stratified and the homogeneous model for oil discrete in water. Homogeneous model and liquid-liquid flow model (2-phase model) revealed a better way of predicting the small viscosities of oil. Two-phase flows; liquid-liquid or gas-liquid occur in many applications in process industries. Liquid-liquid flows occur in

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