Results 11 to 20 of about 622,579 (294)

METHODOLOGY FOR CALCULATION OF HORIZONTAL WATER PERMEABILITY COEFFICIENT IN SOIL CAPILLARY BORDER

open access: yesНаука и техника, 2011
The paper shows that for overall estimation of soil water permeability it is necessary to know a horizontal water permeability value of a soil capillary border in addition to coefficients of filtration and permeability.
E. I. Michnevich, K. K. Zhiburtovich
doaj   +1 more source

Capillary Permeability to Macromolecules [PDF]

open access: yesCirculation Research, 1955
Small infusions of dextran fractions having average molecular weights ranging from 10,600 to 412,000 yield plasma to lymph concentration ratios which are directly proportional to molecular weight. The concentration gradient for a specific molecular weight, however, decreases as the volume of infusion is increased. This volume effect, explained in terms
KARLMAN WASSERMAN   +4 more
openaire   +2 more sources

Experimental Measurements to Study Correlations between Porosity, Absolute Permeability, and Capillary Pressure [PDF]

open access: yes, 2023
Rock permeability is a measurement of how easily a fluid can flow through a rock while porosity is a measure of the rock’s storage capacity or its pore volume that is capable of holding fluids.
Jaluta, Adel M.   +3 more
core   +1 more source

Permeability prediction and drainage capillary pressure simulation in sandstone reservoirs [PDF]

open access: yes, 2005
Knowledge of reservoir porosity, permeability, and capillary pressure is essential to exploration and production of hydrocarbons. Although porosity can be interpreted fairly accurately from well logs, permeability and capillary pressure must be ...
Wu, Tao
core   +3 more sources

Cardiogenic Pulmonary Edema in Emergency Medicine

open access: yesAdvances in Respiratory Medicine, 2023
Cardiogenic pulmonary edema (CPE) is characterized by the development of acute respiratory failure associated with the accumulation of fluid in the lung’s alveolar spaces due to an elevated cardiac filling pressure. All cardiac diseases, characterized by
Christian Zanza   +10 more
doaj   +1 more source

Observations of the Impacts of Millimeter‐ to Centimeter‐Scale Heterogeneities on Relative Permeability and Trapping in Carbonate Rocks

open access: yesWater Resources Research, 2021
Carbonate rock reservoirs are dominated by heterogeneity across a large and continuous range of spatial scales. We study the impact of heterogeneities on relative permeability and residual trapping for three carbonate rocks selected for their distinct ...
Sojwal Manoorkar   +2 more
doaj   +1 more source

An Efficient Method for Determining Capillary Pressure and Relative Permeability Curves from Spontaneous Imbibition Data [PDF]

open access: yesIranian Journal of Oil & Gas Science and Technology, 2015
In this paper, a very efficient method, called single matrix block analyzer (SMBA), has been developed to determine relative permeability and capillary pressure curves from spontaneous imbibition (SI) data.
Mojtaba Ghaedi   +3 more
doaj   +1 more source

Biomimetic Copper Forest Structural Modification Enhances the Capillary Flow Characteristics of the Copper Mesh Wick

open access: yesEnergies, 2023
In a two-phase heat transfer device, achieving a high capillarity of the wick while reducing flow resistance within a limited space becomes the key to improving the heat dissipation performance.
Jia-Li Luo   +4 more
doaj   +1 more source

Functions of capillary pressure and dissolution in the CO2-flooding process in low-permeability reservoirs

open access: yesJournal of Petroleum Exploration and Production Technology, 2020
CO2 flooding has become one of most effective methods to improve oil recovery in low-permeability reservoirs. Thus, influencing factors have been specifically analyzed for their impact on oil displacement.
Xiaoliang Huang   +5 more
doaj   +1 more source

Impact of Capillary and Bond Numbers on Relative Permeability [PDF]

open access: yes, 2002
Recovery and recovery rate of oil, gas and condensates depend crucially on their relative permeability. Relative permeability in turn depends on the pore structure, wettability and flooding conditions, which can be represented by a set of dimensionless ...
Mohanty, Kishore K.
core   +1 more source

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