Results 41 to 50 of about 2,063,981 (308)

Introduction (Policy Debates on Hydraulic Fracturing)

open access: yes, 2016
Hydraulic fracturing is one of the most contentious issues in environmental and energy politics today. This chapter offers an introduction to the nature of this debate, the rationale for studying the coalitions and public policies surrounding hydraulic ...
Weible, Christopher M.   +12 more
core   +1 more source

Adsorption and diffusion of shale oil on kerogen in CO2 flooding: molecular dynamics and NMR studies of temperature and multi-component effects

open access: yesJournal of Petroleum Exploration and Production Technology
The adsorption and diffusion behavior of shale oil within kerogen nanopores represents a core scientific issue for improving the efficiency of CO2-enhanced oil recovery in shale reservoirs.
Juan Zhang   +5 more
doaj   +1 more source

Simulation‐Based Analysis of Insert Pull‐Out in Nickel‐Polyurethane Hybrid Foams Using CT‐Derived Geometries

open access: yesAdvanced Engineering Materials, EarlyView.
CT‐based finite element simulations combined with in situ X‐ray computed tomography are used to analyze insert pull‐out in nickel‐coated polymer foams. Despite variations in material parameters, deformation consistently concentrates within a narrow annular region around the insert.
Yannik Bautz   +4 more
wiley   +1 more source

Morphology, Transport, and Dynamics of Protein Adsorption in Open‐Cell Metal Foam

open access: yesAdvanced Engineering Materials, EarlyView.
Stainless steel (SS) open‐cell foams are shown to adsorb more protein per unit area than previously reported 316L SS and chromium oxide surfaces under static and flow conditions. An integrated approach combining 3D pore imaging, flow simulation, and protein adsorption experiments characterizes the foam’s performance.
Chinmaya Prerana Inguva   +2 more
wiley   +1 more source

Recent comprehensive review for extended finite element method (XFEM) based on hydraulic fracturing models for unconventional hydrocarbon reservoirs

open access: yesJournal of Petroleum Exploration and Production Technology, 2020
Hydraulic fracturing has been around for several decades since 1860s. It is one of the methods used to recover unconventional gas reservoirs. Hydraulic fracturing design is a challenging task due to the reservoir heterogeneity, complicated geological ...
Belladonna Maulianda   +7 more
doaj   +1 more source

Microstructural Evolution and In Situ Formation of TiB and TiC in Ti─5Al─2.5Sn Alloy Processed by Powder Metallurgy

open access: yesAdvanced Engineering Materials, EarlyView.
Accelerated in situ formation of TiB and TiC in Ti–5Al–2.5Sn–B4C is driven by transient liquid phase formation, which enhances particle reactions and microstructural evolution. This process increases hardness and establishes a coupled relationship between sintering temperature and reinforcement content, strongly influencing porosity in the resulting ...
Fernando. Y. Kojima, Juliano. Soyama
wiley   +1 more source

Seismo-hydromechanical interaction during in-situ hydraulic fracturing experiments [PDF]

open access: yes, 2020
PhD, Université de Neichâtel, Centre d'hydrogéologie et de géothermieHydraulic fracturing is a common technique used in a variety of fields like civil and mining engineering, oil & gas and geothermal industry.
Dutler, Nathan
core   +1 more source

Advances in Sustainable and Wearable Textile Based Soft Robotics

open access: yesAdvanced Functional Materials, EarlyView.
This Review examines advances in wearable textile‐based soft robotics, focusing on sustainable materials, integrated sensing, and scalable actuation. It discusses manufacturing and system integration across healthcare, assistive robotics, prosthetics, and human–machine interfaces, and highlights key challenges in circular design, including life‐cycle ...
Zahir Abbas   +6 more
wiley   +1 more source

Characteristics of hydraulic ore-bearing structure: A case study of hydrothermal tungsten and uranium deposits in South China

open access: yesDizhi lixue xuebao
Objective  Hydraulic fracturing is a vital deformation and fracture mode in the whole crust-lithosphere range. The related structures are also critical ore-bearing structures of some hydrothermal deposits.
CHEN Bailin
doaj   +1 more source

Deep hybrid modeling of chemical process: Application to hydraulic fracturing

open access: yesComputers and Chemical Engineering, 2020
Process modeling began with the use of first principles resulting in ‘white-box’ models which are complex but accurately explain the dynamics of the process. Recently, there has been tremendous interest towards data-based modeling as the resultant ‘black-
Mohammed Saad Faizan Bangi, J. Kwon
semanticscholar   +1 more source

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