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The study of naturally occurring turbulent flows requires ability to collect empirical data down to the fine scales. While hotwire anemometry offers such ability, the open field studies are uncommon due to the cumbersome calibration…

流体动力学 · 物理学 2022-09-07 Roni H. Goldshmid , Ewelina Winiarska , Dan Liberzon

We investigate the hydrodynamics of the interaction of two supersonic winds in binary systems. The collision of the winds creates two shocks separated by a contact discontinuity. The overall structure depends on the momentum flux ratio eta…

太阳与恒星天体物理 · 物理学 2015-05-30 Astrid Lamberts , Sebastien Fromang , Guillaume Dubus

Due to the evolving nature of power grids and model uncertainty, the online stability assessment of electrical power systems is always a challenging problem. This paper aims to provide a theoretical framework for estimating the region of…

系统与控制 · 电气工程与系统科学 2019-11-26 Chao Zhai

It is of growing concern to ensure resilience in power distribution systems to extreme weather events. However, there are no clear methodologies or metrics available for resilience assessment that allows system planners to assess the impact…

系统与控制 · 电气工程与系统科学 2022-11-16 Abodh Poudyal , Anamika Dubey , Shiva Poudel

Inertial measurement units (IMUs) are fundamental sensing components in multi-source integrated navigation systems, and their performance directly determines the accuracy and reliability of solutions. However, the precision of low-cost IMUs…

信号处理 · 电气工程与系统科学 2026-05-19 Jiarui Lv , Feng Zhu , Xiaohong Zhang

We demonstrate that the global fields of temperature, humidity and geopotential heights admit a nearly sparse representation in the wavelet domain, offering a viable path forward to explore new paradigms of sparsity-promoting data…

数据分析、统计与概率 · 物理学 2015-03-19 Ardeshir Mohammad Ebtehaj , Efi Foufoula-Georgiou , Gilad Lerman , Rafael Luis Bras

Indoor humidity is a crucial factor affecting people's health and well-being. Wireless humidity sensing techniques are scalable and low-cost, making them a promising solution for measuring humidity in indoor environments without requiring…

信号处理 · 电气工程与系统科学 2024-09-13 Yirui Deng , Deepak Mishra , Shaghik Atakaramians , Aruna Seneviratne

The Kelvin-Helmholtz instability (KHI) can occur when there is a relative motion between two adjacent fluids. In the case of magnetized plasma, the shear velocity must exceed the local Alfv\'{e}n speed for the instability to develop. The…

太阳与恒星天体物理 · 物理学 2026-04-21 Leon Ofman , Olga Khabarova , Ryun-Yong Kwon , Yogesh , Eyal Heifetz , Katariina Nykyri

Renewable resources are strongly dependent on local and large-scale weather situations. Skillful subseasonal to seasonal (S2S) forecasts -- beyond two weeks and up to two months -- can offer significant socioeconomic advantages to the…

机器学习 · 计算机科学 2025-04-01 Maximilian Springenberg , Noelia Otero , Yuxin Xue , Jackie Ma

Numerical prediction of the interactions between wind and ocean waves is essential for climate modeling and a wide range of offshore operations. Large Eddy Simulation (LES) of the marine atmospheric boundary layer is a practical numerical…

流体动力学 · 物理学 2024-09-06 Manuel Ayala , Zein Sadek , Ondřej Ferčák , Raúl Bayoán Cal , Dennice Gayme , Charles Meneveau

Weather forecasts sit upstream of high-stakes decisions in domains such as grid operations, aviation, agriculture, and emergency response. Yet forecast users often face a difficult trade-off. Many decision-relevant targets are functionals…

机器学习 · 计算机科学 2026-01-08 Paulius Rauba , Viktor Cikojevic , Fran Bartolic , Sam Levang , Ty Dickinson , Chase Dwelle

Environmental hazards like water and air pollution, extreme weather, or chemical exposures can affect human health in a number of ways, and it is a persistent apprehension in communities surrounded by mining operations. The application of…

分布式、并行与集群计算 · 计算机科学 2023-12-27 A Akanbi

The vertical velocity in convective clouds ($w_c$) mediates convective anvil development and global moisture transport, influencing Earth's energy budget, but has yet to be estimated globally over long periods due to the absence of…

大气与海洋物理 · 物理学 2026-04-07 Amel Derras-Chouk , Gregory Elsaesser , Zhengzhao Johnny Luo , Toshi Matsui , Andreas F. Prein , Jingbo Wu

Turbulence in protoplanetary disks plays an important role in dust evolution and planetesimal formation. The vertical shear instability (VSI) is one of the candidate hydrodynamic mechanisms that can generate turbulence in the outer disk…

地球与行星天体物理 · 物理学 2023-01-25 Yuya Fukuhara , Satoshi Okuzumi , Tomohiro Ono

Modern wind turbine control algorithms typically utilize rotor effective wind speed measured from an anemometer on the turbine's nacelle. Unfortunately, the measured wind speed from such a single measurement point does not give a good…

系统与控制 · 电气工程与系统科学 2021-04-08 Yichao Liu , Atindriyo Kusumo Pamososuryo , Riccardo Ferrari , Tobias Gybel Hovgaard , Jan-Willem van Wingerden

We present a multi-sensor Bayesian passive microwave retrieval algorithm for flood inundation mapping at high spatial and temporal resolutions. The algorithm takes advantage of observations from multiple sensors in optical, short-infrared,…

数据分析、统计与概率 · 物理学 2018-07-12 Zeinab Takbiri , Ardeshir M Ebtehaj , Efi Foufoula-Georgiou

From agriculture to mining, to energy, surface water quality monitoring is an essential task. As oil and gas operators work to reduce the consumption of freshwater, it is increasingly important to actively manage fresh and non-fresh water…

计算机视觉与模式识别 · 计算机科学 2023-07-25 Satish Kumar , Rui Kou , Henry Hill , Jake Lempges , Eric Qian , Vikram Jayaram

Schottky barrier inhomogeneities are expected at the metal/TMDC interface and this can impact device performance. However, it is difficult to account for the distribution of interface inhomogeneity as most techniques average over the…

介观与纳米尺度物理 · 物理学 2020-12-15 Calvin Pei Yu Wong , Cedric Troadec , Andrew T. S. Wee , Kuan Eng Johnson Goh

Cosmic shear holds great promise for a precision independent measurement of $\Omega\rm_m$, the mass density of the universe relative to the critical density. The signal is expected to be weak, so a thorough understanding of systematic…

天体物理学 · 物理学 2008-11-26 S. Asztalos , W. H. de Vries , L. J Rosenberg , T. Treadway , D. Burke , C. Claver , A. Saha , P. Puxley