Results 151 to 160 of about 2,187,898 (350)

Relationships between acoustic scattering layers and ocean stratification: An acoustic approach to estimate mixed layer depth

Limnology and Oceanography: Methods, EarlyView.
Abstract Ocean stratification, measured as mixed layer depth (MLD), is an important feature that influences many processes in the ocean; for example, by mediating the fluxes of momentum, heat and crucially key gases such as CO2 and oxygen from the atmosphere into the water column and vice versa. The conventional methods to measure stratification (e.g.,
Fabio Campanella, Jeroen van der Kooij, Liam Fernand   +2 more
wiley   +1 more source

Numerical analysis of unsteady forces in a pump-jet propulsor due to dynamic tip-clearance changes

Zhongguo Jianchuan Yanjiu
ObjectiveThis study aims to investigate the effects of dynamic variations in rotor tip-clearance on the unsteady forces of a pump-jet propulsor, while analyzing the role of a flexible isolation system in influencing the excitation characteristics of the ...
Huiyao LI, Jingyi HE, wei ZHAO, Zhiqiang RAO, Zhenguo ZHANG, Hongxing HUA   +5 more
doaj   +1 more source

Highly Reproducible, Vendor‐Agnostic, Motion‐Insensitive Liver PDFF Mapping at 0.55T, 1.5T, and 3T

Magnetic Resonance in Medicine, EarlyView.
ABSTRACT Purpose To develop and validate a vendor‐agnostic, motion‐insensitive proton‐density fat‐fraction (PDFF) quantification method. Methods Flip‐angle‐modulated (FAM) 2D chemical‐shift‐encoded (CSE) MRI for PDFF quantification was implemented in both the vendor‐agnostic platform Pulseq (“Pulseq‐FAM”) and one vendor‐specific platform (“GE‐specific ...
Jiayi Tang, Daiki Tamada, Jon‐Fredrik Nielsen, Jitka Starekova, Julius F. Heidenreich, Felix Schön, Alexandra A. Anagnostopoulos, Amirhossein Roshanshad, Lu Mao, Shohei Fujita, Pengcheng Xu, Christopher Keen, Imam Ahmed Shaik, Eugene Milshteyn, Seonghwan Yee, Andrew J. Ellison, David Rutkowski, Jeff Kammerman, Jean H. Brittain, Xiaodong Zhong, William A. Grissom, Maxim Zaitsev, Aaron L. Carrel, Yogesh Rathi, Yun Jiang, Berkin Bilgic, Scott B. Reeder, Diego Hernando   +27 more
wiley   +1 more source

Numerical Insights Into the Resistance Reduction Mechanisms of Forward Tapered Transoms in High‐Speed Catamaran: A Computational Fluid Dynamics‐Based Study

International Journal of Mechanical System Dynamics, EarlyView.
ABSTRACT This study investigates the hydrodynamic influence of forward transom tapering on a displacement catamaran hull using computational fluid dynamics (CFD) simulations. Five taper configurations ranging from a vertical transom base design to a fully tapered stern (1.00B) were evaluated over a wide Froude number range (Fr = .3 to 1.0).
Chalermkiat Nuchturee, Chairat Napasaksri, Ramil Kesvarakul, Sarawuth Srinakaew   +3 more
wiley   +1 more source

Single Smooth Waveform Command‐Shaping Control of Overhead Crane Systems Utilizing Two‐Stage Acceleration–Deceleration Profile for Short‐Moving Point‐to‐Point Maneuver

International Journal of Mechanical System Dynamics, EarlyView.
ABSTRACT Modern industrial demand for efficient material handling in confined spaces has driven the need for overhead cranes capable of short‐distance point‐to‐point maneuvers without compromising payload stability. Conventional three‐stage shaper profiles, experiencing acceleration, cruising, and deceleration, become inefficient or infeasible for ...
Mohammed Alfares, Jasem Baroon, Khaled Alhazza   +2 more
wiley   +1 more source

Qualitative study on occupational anxiety among young thyroid cancer survivors before returning to work

Precision Medical Sciences, EarlyView.
The main aim of this study was to elucidate and clarify the manifestations of occupational anxiety among young postoperative thyroid cancer survivors before returning to work and to explore strategies and support needed to cope upon their return to work. Abstract The purpose of this qualitative study was to understand the manifestations of occupational
Hong Gao, Ping Zhu, Maomao Zhang, Bing Wu, Yun Ning, Xiaoxu Li, Hui Huang, Jinlan Shao, Meiying Zou, Tingting Hu, Liuliu Zhang   +10 more
wiley   +1 more source

On the meridional asymmetry of the poleward‐displaced intertropical convergence zone

Quarterly Journal of the Royal Meteorological Society, EarlyView.
We analyze the complex, asymmetrical dynamical structure of the intertropical convergence zone (ITCZ) in the East Pacific and Atlantic basins, seen during boreal summer, using a global, coupled storm‐resolving simulation. The equatorial pressure gradients lead to the acceleration of southerlies, which decelerate when the zonal flow becomes westerly ...
Divya Sri Praturi, Bjorn Stevens
wiley   +1 more source

Experimental Study of the Load-Transfer Law and Shock Environment of a Pipe–Float System

Journal of Marine Science and Engineering
To study the load-transfer law and shock environment of a pipe–float system, an experimental model was designed, manufactured, and installed on a floating shock platform.
Miaoran Li, Jun Li, Wei Chen, Zhiyang Lei, Lijiang Zhou, Mengzhen Li, Chun Bao Li, Xiaobin Li   +7 more
doaj   +1 more source

All‐sky assimilation impacts of the Tomorrow.io microwave sounder constellation on global weather forecasts

Quarterly Journal of the Royal Meteorological Society, EarlyView.
Key Findings: An assimilation methodology is established for the Tomorrow.io microwave sounder (TMS) flying on CubeSats in sun‐synchronous and inclined orbits, and in all cloud scenes. The TMS has a significant impact on weather forecast lead times up to 3 days in the Tropics in a research‐quality numerical weather prediction setting, and yields water ...
Jonathan J. Guerrette, Ryan Honeyager, Stephen Joseph Munchak, Xiaoxu Tian   +3 more
wiley   +1 more source

Why Autonomous Vehicles Are Not Ready Yet: A Multi‐Disciplinary Review of Problems, Attempted Solutions, and Future Directions

Journal of Field Robotics, EarlyView.
ABSTRACT Personal autonomous vehicles can sense their surrounding environment, plan their route, and drive with little or no involvement of human drivers. Despite the latest technological advancements and the hopeful announcements made by leading entrepreneurs, to date no personal vehicle is approved for road circulation in a “fully” or “semi ...
Xingshuai Dong, Massimiliano Cappuccio, Fady Alnajjar, Luqman Ali, Hamad Al Jassmi, Essam Debie, Milad Ghasrikhouzani, Alessandro Lanteri, Tate McGregor, Oleksandra Molloy, Alice Plebe, Michael Regan, Eduardo Sandoval, Dongmo Zhang   +13 more
wiley   +1 more source