WebThe potential of various nanoparticles, in hybrid and bare forms for altering the state of wettability, reducing the interfacial tension (IFT), changing the viscosity and activation of other... WebThe interfacial tension (IFT) is commonly considered to be an effective index for evaluati ng deterioration with increasing age, due to its high sensitivity to contaminants and impurities. The ASTM D971: Standard Test Method for Interfacial Tension of Insulating Liquids Against Water by the Ring Method is a widely used standard method to exam ine …
Interfacial tension and wettability in water-carbon dioxide …
WebInterfacial tension measurement Exploration technology HPHT IFT analysis by pendant-drop method Two pendant drop IFT measurement cells are currently in use in the SINTEF laboratory. Their maximum working pressure and temperature are 500 bar/ 150°C and 1200 bar/ 200°C, respectively. Digitized image processing and full-contour drop- WebIt is a simple method, in which a droplet of water below the surface of the oil is analyzed. The ring method. The ring method of transformer oil degradation analysis (IFT) against water is as follows: a special device, called tensiometer is used. It measures interfacial tension based on Du Nouy principle. h\u0026a automobile gmbh werl
Influence of interfacial tension on gas/oil relative permeability in …
WebIn order to perform the interfacial tensionmeasurement s, liquid drops (Pendant Drop) or gas bubbles (Bubble Rise) are created inside the cell at the tip of a capillary tube (o.d. ± 0.510 0.001 mm) and maintained at equilibrium in contact with the gas or aqueous phase, respectively, as depicted in Figure 1 WebIFT standard measurement : 0.1 to 72 mN/m Temperature : Ambient to 180°C … WebThe important role the hydrophilic–lipophilic ability of the surfactant played in interfacial tension (IFT) behavior has been recognized early. The thermodynamic model based on the surfactant affinity difference (SAD) concept has been developed and successfully employed to microemulsions. However, according to the theoretical models developed by … hoffman lp1515