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The flows behind a model wind turbine under two turbine operating regimes are investigated using wind tunnel experiments and large-eddy simulations. Measurements from the model wind turbine experiment reveal that the power coefficient and…

Fluid Dynamics · Physics 2018-02-13 Daniel Foti , Xiaolei Yang , Filippo Campagnolo , David Maniaci , Fotis Sotiropoulos

This paper presents a methodology for building daily profiles of wind generation and load for different seasons to assess their impacts on voltage violations. The measurement-based wind models showed very high accuracy when validated…

Systems and Control · Computer Science 2017-07-07 Malhar Padhee , Anamitra Pal , Katelynn A. Vance

We describe an educational simulation of some effects within the gas of hard spheres. The focus of the presented simulation is on the comprehension of random character of the velocity of molecules in the gas and of the energy at fixed…

Physics Education · Physics 2008-11-06 Michal Meres , Boris Tomasik

Airborne wind energy systems aim to generate renewable energy by means of the aerodynamic lift produced by a wing tethered to the ground and controlled to fly crosswind paths. The problem of maximizing the average power developed by the…

Systems and Control · Computer Science 2014-09-23 Aldo U. Zgraggen , Lorenzo Fagiano , Manfred Morari

A study on filtering aspects of airborne wind energy generators is presented. This class of renewable energy systems aims to convert the aerodynamic forces generated by tethered wings, flying in closed paths transverse to the wind flow,…

Systems and Control · Computer Science 2013-07-15 Lorenzo Fagiano , Khahn Huynh , Bassam Bamieh , Mustafa Khammash

This paper adopts a two-stage sample robust optimization (SRO) model to address the wind power penetrated unit commitment optimal energy flow (UC-OEF) problem for IEGSs. The two-stage SRO model can be approximately transformed into a…

Optimization and Control · Mathematics 2024-01-02 Rong-Peng Liu , Yunhe Hou , Yujia Li , Shunbo Lei , Wei Wei , Xiaozhe Wang

Experimental investigations using wind and water tunnels have long been a staple of fluid mechanics research for a large number of applications. These experiments often single out a specific physical process to be investigated, while…

This paper introduces the FLOSS Free Libre Open Source Software [VEMSA3D], a contraction of "Visual Electromagnetic Simulator for 3D Antennas", which are geometrically modeled, either exactly or approximately, as thin wire polygonal…

Computational Physics · Physics 2015-06-03 Christos A. Koutsos , Nikolitsa I. Yannopoulou , Petros E. Zimourtopoulos

Renewable energy projects, such as large offshore wind farms, are critical to achieving low-emission targets set by governments. Stochastic computer models allow us to explore future scenarios to aid decision making whilst considering the…

Methodology · Statistics 2021-12-07 Jack C. Kennedy , Daniel A. Henderson , Kevin J. Wilson

Autonomous vehicles are the culmination of advances in many areas such as sensor technologies, artificial intelligence (AI), networking, and more. This paper will introduce the reader to the technologies that build autonomous vehicles. It…

Robotics · Computer Science 2023-02-15 Oussama Saoudi , Ishwar Singh , Hamidreza Mahyar

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

The power generation with non-renewable energy sources has very harmful effects on the environment as well as these sources are depleting. On the other side the renewable energy sources are quite unpredictable source of power. The best…

Systems and Control · Computer Science 2017-01-30 Naresh Kumari , A. N. Jha , Nitin Malik

This paper presents an aggregate reduced-order model for a wind farm composed of identical parallel-connected Type-3 wind turbines. The model for individual turbines includes mechanical dynamics (arising from the turbine and doubly fed…

Systems and Control · Computer Science 2018-10-30 Sanjana Vijayshankar , Victor Purba , Peter J. Seiler , Sairaj V. Dhople

Solar wind turbulence is often perceived as weakly compressible and the density fluctuations remain poorly understood both theoretically and observationally. Compressible magnetohydrodynamic simulations provide useful insights into the…

Space Physics · Physics 2023-04-12 Senbei Du , Hui Li , Zhaoming Gan , Xiangrong Fu

Resource scheduling in infrastructure as a service (IaaS) is one of the keys for large-scale Cloud applications. Extensive research on all issues in real environment is extremely difficult because it requires developers to consider network…

Distributed, Parallel, and Cluster Computing · Computer Science 2015-08-27 Wenhong Tian , Minxian Xu , Aiguo Chen , Guozhong Li , Xinyang Wang , Yu Chen

The transition to sustainable energy is a key challenge of our time, requiring modifications in the entire pipeline of energy production, storage, transmission, and consumption. At every stage, new sequential decision-making challenges…

Machine Learning · Computer Science 2024-07-29 Koen Ponse , Felix Kleuker , Márton Fejér , Álvaro Serra-Gómez , Aske Plaat , Thomas Moerland

An extended theoretical approach is proposed to predict the average power of wind turbines in a large finite-size wind farm. The approach is based on the two-scale momentum theory proposed recently for the modelling of ideal very large wind…

Fluid Dynamics · Physics 2018-10-12 Takafumi Nishino

Computer simulations that demonstrate the valueof novel approaches are crucial to developing more flexibleand robust power systems operations with high penetrations ofrenewable energy at multiple geographic and temporal scales.However,…

Systems and Control · Electrical Eng. & Systems 2020-09-01 Jose Daniel Lara , Jonathan T. Lee , Duncan Callaway , Bri-Mathias Hodge

We offer a new method for determining the wind source term for energy and momentum fluxes transfer from the atmosphere to the wind-driven sea. This new source-term formulation is based on extensive analysis of experimental data collected at…

Atmospheric and Oceanic Physics · Physics 2012-12-06 V. E. Zakharov , D. Resio , A. Pushkarev

This paper concerns the resilience of systems with wind power upon wind reduction by evaluating the potential of corrective actions, such as generation and load dispatch, on minimizing the effects of transmission line failures. Three…

Systems and Control · Electrical Eng. & Systems 2022-12-13 Siyu Liu , Marija Ilic