Roles of drag reducing polymers in single-and multi-phase flows
It has become a well-known fact that finding sustainable solutions to the unavoidable high
pressure losses accompanying pipeline flows to increase the pumping capacity without …
pressure losses accompanying pipeline flows to increase the pumping capacity without …
Drag reduction with polymers in gas-liquid/liquid-liquid flows in pipes: A literature review
A Al-Sarkhi - Journal of Natural Gas Science and Engineering, 2010 - Elsevier
A literature survey of the published work on drag reduction by Drag Reducing Agent (DRA)
in two-phase flow is reviewed. Characteristics of the two-phase flow with drag reducing …
in two-phase flow is reviewed. Characteristics of the two-phase flow with drag reducing …
Experimental study of drag reduction by a polymeric additive in slug two-phase flow of crude oil and air in horizontal pipes
In this study the effect of the presence of a drag reducing agent (DRA) on the pressure drop
in cocurrent horizontal pipes carrying slug two-phase flow of air and crude oil is investigated …
in cocurrent horizontal pipes carrying slug two-phase flow of air and crude oil is investigated …
The feasibility of Levenberg–Marquardt algorithm combined with imperialist competitive computational method predicting drag reduction in crude oil pipelines
Adding small amounts of drag-reducing agents (DRA) to the crude oil can effectively reduce
energy losses and its associated pressure drop in transportation pipelines. They do their …
energy losses and its associated pressure drop in transportation pipelines. They do their …
Investigation of the effects of various parameters on pressure drop reduction in crude oil pipelines by drag reducing agents
In this study, the effects of various parameters on pressure drop reduction caused by adding
small amounts of drag reducing polymers has been investigated in crude oil pipelines. In …
small amounts of drag reducing polymers has been investigated in crude oil pipelines. In …
Effect of drag-reducing polymers on horizontal oil–water flows
T Al-Wahaibi, M Smith, P Angeli - Journal of Petroleum Science and …, 2007 - Elsevier
The effect of a drag-reducing polymer (DRP) in the water phase during horizontal oil–water
flow was investigated in a 14 mm ID acrylic pipe. Oil (5.5 mPa s, 828 kg/m3) and a co …
flow was investigated in a 14 mm ID acrylic pipe. Oil (5.5 mPa s, 828 kg/m3) and a co …
Inclination effects on wave characteristics in annular gas–liquid flows
A Al‐Sarkhi, C Sarica, K Magrini - AIChE Journal, 2012 - Wiley Online Library
Measurements of wave characteristics have been conducted in a 0.0762 m internal diameter
(ID) pipe at inclinations of 0°, 10°, 20°, 45°, 60°, 75°, and 90° from horizontal. Wave celerity …
(ID) pipe at inclinations of 0°, 10°, 20°, 45°, 60°, 75°, and 90° from horizontal. Wave celerity …
Effect of pipe diameter on the drop size in a horizontal annular gas–liquid flow
A Al-Sarkhi, TJ Hanratty - International journal of multiphase flow, 2002 - Elsevier
Measurements of the drop size distributions were obtained for air and water flowing in an
annular pattern in a 2.54 cm horizontal pipe. A laser diffraction technique was used. The …
annular pattern in a 2.54 cm horizontal pipe. A laser diffraction technique was used. The …
A general model for predicting drag reduction in crude oil pipelines
In this study, by investigating various experimental parameters, a general model is proposed
for predicting the phenomenon of drag reduction in crude oil pipelines. The proposed model …
for predicting the phenomenon of drag reduction in crude oil pipelines. The proposed model …
Experimental study on the effect of drag reducing polymer on flow patterns and drag reduction in a horizontal oil–water flow
In this study, a HMW anionic co-polymer of 40: 60wt/wt NaAMPS/acrylamide was used as a
drag reducing polymer (DRP) for oil–water flow in a horizontal 25.4 mm ID acrylic pipe. The …
drag reducing polymer (DRP) for oil–water flow in a horizontal 25.4 mm ID acrylic pipe. The …