slug flow
Experiments in a combined up stream downstream slug flow
... Abstract. Slug flow induced by the combination of a downstream and an upstream two phase flow is very common in the oil industry, mainly when the pipelines are installed on hilly ...the flow ...
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Experimental study of the hydrodynamic behaviour of slug flow in a vertical riser
... multiphase flow conditions in the transporting pipe system between the source and the production ...the flow pattern and flow characteristics (Zoeteweij ...pipe flow, s lug flow can be ...
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Analysis of Gas and Liquid Two Phase Slug Flow Production Logging Interpretation Model in near Horizontal Shale Gas Wells
... Oil Slug flow and stratified flow often occur in the normal operation of oil and gas well production and oil and gas mixed transportation, and the slug flow is more ...frequent. ...
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Comparison of experimental and Computational Fluid Dynamics (CFD) studies of slug flow in a vertical riser
... liquid flow at either the outlet to the system or the next processing ...such flow systems. The pressure drop experienced for slug flow regimes is substantially higher when compared to other ...
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Experimental investigation of the effect of liquid viscosity on slug flow in small diameter bubble column
... on slug flow in a 50 mm diameter bubble column was investigated experimentally using air-silicone oil as operating fluid with silicone oil of viscosities 5, 100, 1000 and 5000 ...the slug parameters ...
24
Numerical study of hydrodynamic characteristics of gas liquid slug flow in vertical pipes
... important flow regime encountered in multiphase flow is the slug flow which is often encountered in oil and gas production ...reservoir flow oscillations, and a poor reservoir ...phase ...
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Experimental investigation on the vibration induced by slug flow in horizontal pipe
... of slug flow pattern will cause generation of transient pressure force and shear exerted on the interior wall of the ...to slug flows. Vibration measurements were taken under various slug ...
6
Experimental study of the hydrodynamic behaviour of slug flow in a horizontal pipe
... The mixing device used in this work is made from Polyvinyl chloride (PVC) pipe as shown in Figure 3. The silicone oil enters the mixing chamber from one side and flows around a perforated cylinder through which the air ...
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A study on slug induced stresses using file based coupling technique
... the slug flow motion inside the ...the flow domain and the Finite Element Analysis code for the structure domain was utilized to address the induced stresses on the structural ...the slug ...
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Investigation of slug mitigation: self lifting approach in a deepwater oil field
... severe slug by increasing the back pres- sure and acting as a flow resistance proportionally to the velocity of the liquid slug in the ...multiphase flow with ‘minimal back ...the slug ...
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The dynamics of slug trains in volcanic conduits:Evidence for expansion driven slug coalescence
... During slug train scenarios, at the non-volcanic scale, slug expansion has been demonstrated to be a key process (Santos et ...a slug train scenario including expansion but for far lower expansion ...
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Numerical investigation of upward air-water annular, slug and bubbly flow regimes
... simulated slug flow ...vapor-liquid flow regimes with the use of VOF multiphase model and confirmed that a CFD code can correctly compute the variables of horizontal tube two phase ...multiphase ...
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The consequences of gas slug ascent in a stratified magma on Strombolian eruption dynamics
... enhances slug burst vigour; 2) experiments that include a viscous plug reproduce, and offer an explanation for, key phenomena observed in natural Strombolian eruptions; 3) the presence and extent of the plug must ...
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Lnc-CC3 increases metastasis in cervical cancer by increasing Slug expression
... of Slug and Snail (Figure 6A, 6B), which are transcriptional repressors of E-cadherin [28, 29], and reduced the expression of E-cadherin and degradation of the E-cadherin/β-catenin complex [25]; SiHa cells ...
12
Selective prey avoidance learning in the predatory sea slug Pleurobranchaea californica
... Predator–prey interactions involving aposematic signaling, where predators learn the warning cues of well-defended prey, are clear examples of cost–benefit decisions in foraging animals. However, knowledge of the ...
6
Expression of transcription factors snail, slug, and twist in human bladder carcinoma
... and Slug (zinc finger proteins) have been described to be direct repressors of E-cadherin [6-11] in vitro and in vivo through an inter- action of their COOH-terminal region with a 5 ′ - CACCTG-3 ′ sequence in the ...
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A Myc Slug (Snail2)/Twist regulatory circuit directs vascular development
... the Slug and Twist transcription factors in the neural crest. Indeed, Slug and Twist are also important for cell fate determination and migration of the neural crest and function downstream of Xc-Myc ...
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Invasive slug populations (Arion vulgaris) as potential vectors for Clostridium botulinum
... Germination of endospores is considered to be one of the most important limiting steps of C. botulinum enrich- ment [26]. The germination is still poorly understood and is triggered by complex interactions of nutrients, ...
7
Image analysis of olfactory responses in the procerebrum of the terrestrial slug Limax marginatus
... In response to odor stimulation to the superior tentacular nose, the instantaneous frequency of the procerebral oscillation increased for both rat chow and garlic odors (Fig. 1). A decrease in the oscillatory frequency ...
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Embryonic roles for the slug regulatory gene in hindbrain regeneration and limb patterning
... of slug and Pax-3 in areas of the embryo which I have not described ...the slug gene and this introduction will only concern the rationale behind these further whole mount in situ results and information on ...
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