Results 121 to 130 of about 137,414 (305)
Developing Guidelines for Two-Dimensional Model Review and Acceptance [PDF]
, 2018 Two independent modelers ran two hydraulic models, SRH-2D and HEC-RAS 2D. The models were applied to the Lakina River (MP 44 McCarthy Road) and to Quartz Creek (MP 0.7 Quartz Creek Road), which approximately represent straight and bend flow conditions ...
Homan, Joel, Toniolo, Horacio
core
Advanced Science, EarlyView.A molecular defect‐mediated charge accumulation strategy is developed to regulate the exciton behavior for selective molecular oxygen (O2)activation in poly(1,3,5‐triethynylbenzene) (PTEB). Artificial internal electric field (IEF) constructed in defective PTEB provides internal driving force to steer the directed migration of charge carriers, thereby ...
Xiaofeng Tang +8 more
wiley +1 more source
NUMERICAL MODELLING OF TURBULENT FLOW IN OPEN CHANNEL EXPANSION
Journal of Engineering and Sustainable Development, 2018 Open channel expansion is a transition that connects a relatively narrow upstream channel-section to a wide downstream channel-section. Such a transition is an important component of many hydraulic structures. Due to an increase in cross-sectional area,
Shaymaa Abdul Muttaleb Alhashimi
doaj
, 2018 We develop predictive formulas for friction resistance in ducts with complex cross-sectional shape based on the use of the log law and neglect of wall shear stress nonuniformities. The traditional hydraulic diameter naturally emerges from the analysis as
Pirozzoli, Sergio
core +1 more source
Advanced Science, EarlyView.A general fabricating strategy for arbitrary 3D organic mixed ionic‐electronic conductor architectures is reported using PEDOT:PSS microfiber building blocks. A water‐assisted self‐fusion process is successfully developed in which adhesion can be modulated as reversible (PSS‐rich) or irreversible (PEDOT‐rich) self‐fusion depending on the post‐treatment
Youngseok Kim +8 more
wiley +1 more source
A dimensional analysis of supersaturated total dissolved gas dissipation [PDF]
, 2015 Elevated levels of total dissolved gas (TDG) may occur downstream of dam discharges, leading to increased incidence of gas bubble disease in fish. Accelerating the dissipation of supersaturated TDG in the downstream river can mitigate this negative ...
GUALTIERI, CARLO +3 more
core
Universal Solvent Escape Strategies for Efficient Curing of Hydrogen‐Bond‐Rich 3D Printing Inks
Advanced Science, EarlyView.This study developed a new 3D printing method for hydrogen‐bonded polymers by combining solvent replacement, nanoparticles, and optimized printing paths. This allows fast, precise scaffold fabrication. The scaffolds can be easily customized and release therapeutic agents slowly through protonation, enabling personalized bone, blood vessel, and nerve ...
Jie Chen +11 more
wiley +1 more source
Estimating the effect of sand-roughened bed on hydraulic jump characteristics using heuristic models
Results in EngineeringThe hydraulic jump occurs in open channels and downstream of hydraulic structures because these features change the flow regime from super-critical to sub-critical. To prevent downstream channel erosion and guarantee the construction of a hydraulic jump,
Rasoul Daneshfaraz +7 more
doaj +1 more source
Hidden Charge‐Order in the Mixed‐Valent K0.75Li2Cr6O12 High‐Pressure Oxide
Advanced Science, EarlyView.K0.75Li2Cr6O12 is one of the few mixed valent chromium oxides. It shows a single angle spiral magnetic structure with a k = [1/3 1/3 ¼] propagation vector. Density functional theory reveals a hidden charge order that is necessary to stabilize the antiferromagnetic (AFM) ground state.
Angel M. Arévalo‐López +3 more
wiley +1 more source
Journal of Hydrology: Regional StudiesStudy Region: The Ganges River, Bangladesh Study Focus: Horizontal shifting error in open-access GDEMs has received very little attention for detecting and assessing its impact on hydraulic modeling.
Md. Ismail Firoz +3 more
doaj +1 more source