Results 81 to 90 of about 3,059,856 (129)

Numerical simulation of multi-field coupling in geothermal reservoir heat extraction of enhanced geothermal systems

open access: yesJournal of Petroleum Exploration and Production Technology
The coupled analysis of multi-field heat and mass transfer in geothermal reservoirs is a pivotal concern within the realm of geothermal rock exploitation. It holds significant implications for the assessment of thermal energy capacity and the formulation
Zhi Zeng   +5 more
doaj   +1 more source

Intrinsic relationship of vorticity between modes A and B in the wake of a bluff body

open access: yesTheoretical and Applied Mechanics Letters, 2018
The intrinsic physical relationship of vorticity between modes A and B in the three-dimensional wake transition is investigated. Direct numerical simulations for the flow past a square-section cylinder are carried out at Reynolds numbers of 180 and 250 ...
L.M. Lin, S.Y. Shi, Y.X. Wu
doaj   +1 more source

Improving mechanical performance of fused deposition modeling lattice structures by a snap-fitting method

open access: yesMaterials & Design, 2019
A snap-fitting method is introduced into fused deposition modeling (FDM) technique to fabricate BCC lattice structures of polylactic acid (PLA plus) with relative densities ranging from 2.1% to 8.3%.
Wenfeng Liu   +4 more
doaj   +1 more source

Preform architectures effect on laser ablative behavior of C/SiC–Ti3SiC2 composites

open access: yesJournal of Materials Research and Technology
In this work, the effect of preform architecture on the ablative behavior of C/SiC–Ti3SiC2 composites is investigated. Two-dimensional laminated (2D) and three-dimensional needled (3DN) architectures are fabricated and subjected to laser ablation ...
Te Ma   +6 more
doaj   +1 more source

Protective performance of shear stiffening gel-modified foam against ballistic impact: Experimental and numerical study

open access: yesDefence Technology
As one of the most widely used personal protective equipment (PPE), body armors play an important role in protecting the human body from the high-velocity impact of bullets or projectiles.
Huan Tu   +11 more
doaj   +1 more source

Spatio-Temporal Evolution and Multi-Scenario Modeling Based on Terrestrial Carbon Stocks in Xinjiang

open access: yesLand
The increase in atmospheric CO2 leads to global warming and ecological environment deterioration. Carbon storage modeling and assessment can promote the sustainable development of the ecological environment.
Xiaohuang Liu   +9 more
doaj   +1 more source

A Review of Research Progress on the Development of Global Gold Ore Reference Materials and the Nugget Effect

open access: yesYankuang ceshi
Reference materials serve as the benchmark for evaluating the accuracy of test results. Continuous efforts are being made globally to develop various types of reference materials, supporting quality control in sample testing, metrological traceability ...
Jiufen LIU   +12 more
doaj   +1 more source

Tunable and nonlinearity-enhanced dispersive-plus-dissipative coupling in photon-pressure circuits. [PDF]

open access: yesNat Commun
Kazouini M   +7 more
europepmc   +1 more source

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