Results 21 to 30 of about 209,872 (341)

Investigating permeability of metal felt capillary structures of heat pipes for cooling electronics

open access: yesTekhnologiya i Konstruirovanie v Elektronnoi Apparature, 2020
The paper presents the experimental results on the permeability of metal felt capillary-porous structures with a fiber diameter of 10—50 μm at porosity values from 57% to 90% when the fluid filtration occurs along the felt plane.
Vladimir Kravets   +3 more
doaj   +1 more source

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

A New Method for Predicting the Permeability of Sandstone in Deep Reservoirs

open access: yesGeofluids, 2020
Capillary pressure curve data measured through the mercury injection method can accurately reflect the pore throat characteristics of reservoir rock; in this study, a new methodology is proposed to solve the aforementioned problem by virtue of the ...
Feisheng Feng   +6 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

The Colloid Osmotic Pressure Across the Glycocalyx: Role of Interstitial Fluid Sub-Compartments in Trans-Vascular Fluid Exchange in Skeletal Muscle

open access: yesFrontiers in Cell and Developmental Biology, 2021
The primary purpose of these investigations is to integrate our growing knowledge about the endothelial glycocalyx as a permeability and osmotic barrier into models of trans-vascular fluid exchange in whole organs.
Fitzroy E. Curry, C. Charles Michel
doaj   +1 more source

A fractal permeability model for the dual-porosity media of tight gas reservoirs

open access: yesEnergy Exploration & Exploitation, 2021
Hydraulic fracturing is a crucial method for the exploitation of tight gas reservoirs. The matrix permeability is a key factor influencing the fracturing result. This paper assumes that the matrix permeability is provided by a series of capillary bundles
Fanhui Zeng   +5 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

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

Pathogenesis of malignant ascites in ovarian cancer patients [PDF]

open access: yesArchive of Oncology, 2004
Peritonitis carcinomatosa, indicating the presence of malignant cells in the peritoneal cavity, is a well- known complication of malignant disease.
Stanojević Zorica   +6 more
doaj   +1 more source

A New Method to Calculate the Relative Permeability of Oil and Water in Tight Oil Reservoirs by Considering the Nonlinear Flow

open access: yesGeofluids, 2022
The theoretical research on the percolation mechanism and oil-water relative permeability of low-permeability oil reservoirs is the focus and hotspot of international researchers.
Haibo Su   +9 more
doaj   +1 more source

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