Results 241 to 250 of about 703,248 (356)

Dynamic tensile strength and fracture evolution of characteristic shale with bedding and hole using linear regression theory

open access: yesDeep Underground Science and Engineering, EarlyView.
The spiral conical perforations generated during methane in situ explosion fracturing operations lead to tensile fracture propagation in shale reservoirs being governed by the combined effects of impact pressure, bedding, and aperture under explosive loading. Using multiple regression analysis and digital image correlation technology, the mechanisms of
Yabo Chai   +7 more
wiley   +1 more source

A rock brittleness index based on the postpeak energy release rate and damage surface characteristics for brittle hard rock

open access: yesDeep Underground Science and Engineering, EarlyView.
This study examines energy evolution in rock rupture via triaxial direct shear tests, exploring the impact of confining pressure and temperature on fracture surface randomness. A novel energy‐based brittleness index is proposed, validated experimentally, and compared with existing methods for reliability and accuracy.
Biao Wang   +5 more
wiley   +1 more source

Surface hydration‐induced damage in tight oil‐bearing sandy conglomerate reservoirs

open access: yesDeep Underground Science and Engineering, EarlyView.
A series of techniques such as X‐ray diffraction, scanning electron microscopy, energy‐dispersive spectroscopy, conductivity tests, and infrared thermal imaging were used. The key findings are the identification of a two‐stage surface hydration process and the elucidation of the effects of various minerals and elements on the hydration process ...
Anbang Zhao   +5 more
wiley   +1 more source

Multi‐Objective Optimization of Phase Change Coupled Thermal Management System Based on NSWOA

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
NSWOA‐optimized liquid‐PCM hybrid cooling reduces 18 650 pack Tmax by 5.9 K and ΔT to 4.7 K at 4 °C discharge, validated within 1.5 K error; non‐uniform cell placement and key PCM properties are balanced for safety. This study investigates phase change materials (PCMs) for lithium battery thermal management.
Yang Yang   +4 more
wiley   +1 more source

A brief history and future directions of dielectrophoretic filtration: A review

open access: yesELECTROPHORESIS, EarlyView.
Abstract Dielectrophoresis (DEP) is an electrokinetic effect first studied in the early 20th century. Since then, DEP has gained significant interest in research, owing to its ability to solve particle separation problems in various industries. Dielectrophoretic filtration (DEP filtration) is a separation method using DEP to filter a wide range of ...
Mary Clare O'Donnell   +2 more
wiley   +1 more source

Systematic Review of Flat Plate Photovoltaic Thermal Systems: Components, Efficiency, Monitoring, and Artificial Intelligence

open access: yesEnergy Technology, EarlyView.
This article presents a review of flat‐plate hybrid solar panels, focusing on four key aspects: system components, parameters affecting efficiency, monitoring, and applications of artificial intelligence. The use of hybrid solar panels represents a promising technology for the simultaneous generation of electrical and thermal energy from solar ...
Amy Zulema Velasco Bonilla   +8 more
wiley   +1 more source

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