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Strong interactions between jets and stellar winds at binary system spatial scales could occur in high-mass microquasars. We study here, mainly from a dynamical but also a radiative point of view, the collision between a dense stellar wind…

Astrophysics · Physics 2009-11-13 M. Perucho , V. Bosch-Ramon

The connection between transport barriers and potential vorticity (PV) barriers in PV-conserving flows is investigated with a focus on zonal jets in planetary atmospheres. A perturbed PV-staircase model is used to illustrate important…

Atmospheric and Oceanic Physics · Physics 2009-11-13 F. J. Beron-Vera , M. G. Brown , M. J. Olascoaga , I. I. Rypina , H. Kocak , I. A. Udovydchenkov

With the ever increasing power rates of wind turbines, more advanced control techniques are needed to facilitate tall towers that are low-weight and cost effective, but in effect more flexible. Such soft-soft tower configurations generally…

Systems and Control · Computer Science 2020-01-14 Sebastiaan Paul Mulders , Tobias Gybel Hovgaard , Jacob Deleuran Grunnet , Jan-Willem van Wingerden

Upward lightning (UL) has become an increasingly important threat to wind turbines as ever more of them are being installed for renewably producing electricity. The taller the wind turbine the higher the risk that the type of lightning…

We argue that the narrow line regions of Seyfert galaxies are powered by the transport of energy and momentum by the radio-emitting jets and consequently that the ratio of the radio power to jet energy flux is much smaller than is usually…

Astrophysics · Physics 2016-08-30 G. V. Bicknell , M. A. Dopita , Z. Tsvetanov , R. S. Sutherland

Jet energy scale measurements and their systematic uncertainties are reported for jets measured with the ATLAS detector using proton-proton collision data with a center-of-mass energy of $\sqrt{s} = 13$ TeV, corresponding to an integrated…

High Energy Physics - Experiment · Physics 2017-11-15 ATLAS Collaboration

Wind-wave interactions impose wind forcing on wave surface and wave effects on turbulent wind structures, which essentially influences the wind-wave loading on structures. Existing research treats the wind and wave loading separately and…

Fluid Dynamics · Physics 2023-10-06 Tianqi Ma , Chao Sun

The Tropical Easterly Jet (TEJ) is a prominent atmospheric circulation feature observed during the Asian Summer Monsoon (ASM). The simulation of TEJ by the Community Atmosphere Model, version 3.1 (CAM-3.1) has been discussed in detail.…

Atmospheric and Oceanic Physics · Physics 2015-08-06 Samrat Rao , Jayaraman Srinivasan

Ubiquitous transition region (TR) network jets are considered to be substantial sources of mass and energy to the corona and solar wind. We conduct a case study of a network jet to better understand the nature of mass flows along its length…

Solar and Stellar Astrophysics · Physics 2022-04-27 J. Gorman , L. P. Chitta , H. Peter

The jet energy scale (JES) and its systematic uncertainty are determined for jets measured with the ATLAS detector using proton-proton collision data with a centre-of-mass energy of $\sqrt{s}=7$ TeV corresponding to an integrated luminosity…

High Energy Physics - Experiment · Physics 2015-01-29 ATLAS Collaboration

Understanding how wakes interact with wind turbine blades under varying operating and inflow conditions is essential for improving fatigue prediction and performance assessment in increasingly dense wind farms. We present an experimental…

Fluid Dynamics · Physics 2026-05-12 Francisco J. G. de Oliveira , Zahra Sharif Khoadei , Oliver R. H. Buxton

Context. Solar active regions are known to have jets. These jets are associated with heating and the release of particles into the solar wind. Aim. Our aim is to understand the spatial distribution of coronal jets within active regions to…

Solar and Stellar Astrophysics · Physics 2022-09-07 Jonas Odermatt , Krzysztof Barczynski , Louise K. Harra , Conrad Schwanitz , Säm Krucker

How much wind energy does the atmosphere generate, and how much of it can at best be used as renewable energy? This review aims to give first-order estimates and sensitivities to answer these questions that are consistent with those…

Atmospheric and Oceanic Physics · Physics 2022-10-18 Axel Kleidon

Recent literature on deep neural networks for tagging of highly energetic jets resulting from top quark decays has focused on image based techniques or multivariate approaches using high-level jet substructure variables. Here, a sequential…

High Energy Physics - Experiment · Physics 2017-08-10 Jannicke Pearkes , Wojciech Fedorko , Alison Lister , Colin Gay

The physical growth of wind energy over several decades, caused a re-investigation mesoscale effects on wind plant dynamics. At a large scale operation, understanding the interactions between atmospheric phenomena and wind plant wakes is…

Offshore wind is rapidly expanding to meet clean and secure energy needs. New developments are now increasingly constrained to deep seasonally stratified waters. Here, flows past offshore wind infrastructure will increase water column…

Fluid Dynamics · Physics 2026-02-12 Charlie J. Lloyd , Robert M. Dorrell

Rotation has been recognized for its ability to decrease the extent of separate flow regions on the inner sections ofhorizontal-axis wind turbine blades. This alteration is often linked to centrifugal pumping. Nevertheless, studies focused…

Fluid Dynamics · Physics 2024-10-10 Pedro Rodrigues , Elmer Gennaro , Daniel Souza

As wind energy continues to expand, increased interaction between wind farms and their surroundings can be expected. Using natural snowfall to visualize the air flow in the wake of a utility-scale wind turbine at unprecedented…

Atmospheric and Oceanic Physics · Physics 2020-06-24 Aliza Abraham , Jiarong Hong

The dynamics, structure and stability of zonal jets in planetary flows are still poorly understood, especially in terms of coupling with the small-scale turbulent flow. Here, we use an experimental approach to address the questions of zonal…

Fluid Dynamics · Physics 2021-01-12 Daphné Lemasquerier , Benjamin Favier , Michael Le Bars

A stability wind shear term of logarithmic wind profile based on the terms of turbulent kinetic energy equation is proposed. The fraction influenced by thermal stratification is considered in the shear production term. This thermally…

Atmospheric and Oceanic Physics · Physics 2014-05-21 Yoshiaki Sakagami , Pedro A. A. Santos , Reinaldo Haas , Julio C. Passos , Frederico F. Taves