English
Related papers

Related papers: Reassessing thermodynamic and dynamic constraints …

200 papers

The breaking of surface gravity waves is a key process contributing to air-sea fluxes and turbulent ocean mixing. The highly nonlinear nature of wave breaking, combined with the challenges of observing this process in a laboratory or field…

We establish the presence of a spectral gap near the real axis for the damped wave equation on a manifold with negative curvature. This results holds under a dynamical condition expressed by the negativity of a topological pressure with…

Mathematical Physics · Physics 2015-05-14 Emmanuel Schenck

Power loss mechanisms in large wind farms are complex due to the multiscale nature of wind farm aerodynamics. Recent studies based on the two-scale momentum theory have brought new insights into this field; however, most of them have been…

Fluid Dynamics · Physics 2025-08-06 Takafumi Nishino , Amanda S. M. Smyth

Based on a recent communication by the present authors the question of energy dissipation in magneto hydrodynamical waves in an inflating background in general relativity is examined. It is found that the expanding background introduces a…

General Relativity and Quantum Cosmology · Physics 2010-11-03 Ajanta Das , S. Chatterjee

The ever-growing use of wind energy makes necessary the optimization of turbine operations through pitch angle controllers and their maintenance with early fault detection. It is crucial to have accurate and robust models imitating the…

Machine Learning · Computer Science 2023-07-28 Alfonso Gijón , Ainhoa Pujana-Goitia , Eugenio Perea , Miguel Molina-Solana , Juan Gómez-Romero

Despite major advances in climate science over the last 30 years, persistent uncertainties in projections of future climate change remain. Climate projections are produced with increasingly complex models which attempt to represent key…

Atmospheric and Oceanic Physics · Physics 2021-05-26 Mark S. Williamson , Chad W. Thackeray , Peter M. Cox , Alex Hall , Chris Huntingford , Femke J. M. M. Nijsse

An objective revision of the Laplace barometric formula for isothermal planetary atmospheres is proposed. From Clausius virial theorem equating the root mean square kinetic energy to half the gravitational potential energy, planetary…

Atmospheric and Oceanic Physics · Physics 2015-04-22 Ivan R. Kennedy

To forecast wind power generation in the scale of years to decades, outputs from climate models are often used. However, one major limitation of the data projected by these models is their coarse temporal resolution - usually not finer than…

Applications · Statistics 2023-09-19 Nina Effenberger , Nicole Ludwig , Rachel H. White

A method for taking into account the long-range potential of atoms in the framework of the hard-sphere model is proposed. It is shown that thermodynamic quantities can be represented as a sum of three contribution: that of an ideal gas, the…

Statistical Mechanics · Physics 2020-10-14 Yu. M. Poluektov

Applying probability-related knowledge to accurately explore and exploit the inherent uncertainty of wind power output is one of the key issues that need to be solved urgently in the development of smart grid. This letter develops an…

Systems and Control · Electrical Eng. & Systems 2019-08-19 Libao Shi , Yang Pan , Yixin Ni

We assess evidence for changes in tail characteristics of wind, solar irradiance and temperature variables output from CMIP6 global climate models (GCMs) due to climate forcing. We estimate global and climate zone annual maximum and annual…

Applications · Statistics 2025-02-06 Callum Leach , Kevin Ewans , Philip Jonathan

We consider the thermodynamic potential describing the macroscopic fluctuation of the current and local energy of a general class of Hamiltonian models including aerogels. We argue that this potential is neither analytic nor strictly…

Mathematical Physics · Physics 2015-05-19 Raphael Lefevere , Mauro Mariani , Lorenzo Zambotti

Climate change impacts and adaptations are the subjects to ongoing issues that attract the attention of many researchers. Insight into the wind power potential in an area and its probable variation due to climate change impacts can provide…

Atmospheric and Oceanic Physics · Physics 2020-01-14 Narjes Nabipour , Amir Mosavi , Eva Hajnal , Laszlo Nadai , Shahab Shamshirband , Kwok-Wing Chau

This study presents a new formulation for the norms and scalar products used in tangent linear or adjoint models to determine forecast errors and sensitivity to observations and to calculate singular vectors. The new norm is derived from…

Atmospheric and Oceanic Physics · Physics 2019-12-02 Pascal Marquet , Jean-François Mahfouf , Daniel Holdaway

We review certain anisotropic gauge/gravity dualities, focusing more on a theory with space dependent axion term. Then we discuss and also present some new results for several observables: the static potential and force, the imaginary part…

High Energy Physics - Theory · Physics 2013-12-31 Dimitrios Giataganas

We generalise a recent derivation of the relativistic expressions for momentum and kinetic energy from the one-dimensional to the three-dimensional case.

Classical Physics · Physics 2009-11-11 Sebastiano Sonego , Massimo Pin

Condensible substances are nearly ubiquitous in planetary atmospheres. For the most familiar case-water vapor in Earth's present climate-the condensible gas is dilute, in the sense that its concentration is everywhere small relative to the…

Earth and Planetary Astrophysics · Physics 2016-08-17 Feng Ding , Raymond T. Pierrehumbert

In order to find a better physical model to describe the large-scale cloud-water transformation and rainfall, we consider a moist atmosphere model consisting of the primitive equations with only horizontal viscosity in the dynamic equation…

Analysis of PDEs · Mathematics 2022-10-13 Shenyang Tan , Wenjun Liu

Studying the ambient solar wind, a continuous pressure-driven plasma flow emanating from our Sun, is an important component of space weather research. The ambient solar wind flows in interplanetary space determine how solar storms evolve…

Modern air vehicles perform a wide range of operations, including transportation, defense, surveillance, and rescue. These aircraft can fly in calm conditions but avoid operations in gusty environments, encountered in urban canyons, over…

Fluid Dynamics · Physics 2023-11-08 Kai Fukami , Kunihiko Taira