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The crucial role played by Wet Cooling Towers (WCT) in many electricity production plants (e.g. nuclear power plants) make them a key parameter in the industrial design of such facilities. Their impact over the cooling water consumption and…

Classical Physics · Physics 2025-09-11 Luc Favre , Martin Ferrand

This work investigates the TRACON flow management around a major airport. Aircraft flows are analyzed through a study of TRACON trajectories records. Rerouting and queuing processes are highlighted and airport characteristics are shown as…

Other Computer Science · Computer Science 2007-05-23 Maxime Gariel , John-Paul Clarke , Eric Feron

The ability to forecast grass fire spread could be of a great importance for agencies making decisions about prescribed burns. However, the usefulness of the models used for fire-spread predictions is limited by the time required for…

Atmospheric and Oceanic Physics · Physics 2011-12-23 Adam K. Kochanski , S. K. Krueger , M. A. Jenkins , J. Mandel , J. D. Beezley

Aircraft performance models play a key role in airline operations, especially in planning a fuel-efficient flight. In practice, manufacturers provide guidelines which are slightly modified throughout the aircraft life cycle via the tuning…

Applications · Statistics 2021-02-05 Florent Dewez , Benjamin Guedj , Vincent Vandewalle

Calculations of the heat flux carried by plasma to the wall of a magnetic fusion machine often assume that power flows only along the field lines, but this cannot be true in general. Instead, we treat the plasma as an anisotropic non-linear…

Plasma Physics · Physics 2017-02-07 M Kovari

Cave climatology and its impact on contemporary biogeochemical cycles are still poorly documented. Ventilation in karst environment plays a fundamental role in these two fields and its understanding could bring elements to study them.…

Fluid Dynamics · Physics 2023-04-26 Julia Garagnon , Marc Luetscher , Éric Weber

In this paper we will address the problem of developing mathematical models for the numerical simulation of the human circulatory system. In particular, we will focus our attention on the problem of haemodynamics in large human arteries.

Dynamical Systems · Mathematics 2007-05-23 Alfio Quarteroni

The airflow in a subject-specific breathing human lung is simulated with a multiscale computational fluid dynamics (CFD) lung model. The three-dimensional (3D) airway geometry beginning from the mouth to about 7 generations of airways is…

Fluid Dynamics · Physics 2013-10-21 Jiwoong Choi , Youbing Yin , Eric A. Hoffman , Merryn H. Tawhai , Ching-Long Lin

In this work, experimental and numerical investigations are considered for confined buoyant turbulent jet with varying inlet temperatures. Results of the experimental work and numerical simulations for the problem under consideration are…

Fluid Dynamics · Physics 2013-03-01 M. F. El-Amin , A. Salama , S. Sun

Controllable building loads have the potential to increase the flexibility of power systems. A key step in developing effective and attainable load control policies is modeling the set of feasible building load profiles. In this paper, we…

Optimization and Control · Mathematics 2018-02-20 Jesus E. Contreras-Ocaña , Miguel A. Ortega-Vazquez , Daniel Kirschen , Baosen Zhang

This paper deals about the presentation of a new software RUNEOLE used to provide weather data in buildings physics. RUNEOLE associates three modules leading to the description, the modelling and the generation of weather data. The first…

Computational Engineering, Finance, and Science · Computer Science 2012-12-27 Laetitia Adelard , Thierry Alex Mara , Harry Boyer , Jean Claude Gatina

Methods for building a consistent interface between hydrodynamic and simulation modules is presented. These methods account for the backflow across the hydrodynamic/simulation hyper-surface. The algorithms are efficient, relatively…

Nuclear Theory · Physics 2015-06-18 Scott Pratt

In the presented study, a numerical model which predicts the flow-induced collapse within the pharyngeal airway is validated using in vitro measurements. Theoretical simplifications were considered to limit the computation time. Systematic…

Medical Physics · Physics 2008-11-27 Franz Chouly , Annemie Van Hirtum , Pierre-Yves Lagrée , Xavier Pelorson , Yohan Payan

A variety of models describing the interaction between flows and oscillating structures are discussed. The main aim is to analyze conditions under which structural instability (flutter) induced by a fluid flow can be suppressed or…

Analysis of PDEs · Mathematics 2015-12-24 Igor Chueshov , Earl H. Dowell , Irena Lasiecka , Justin T. Webster

Electric load profiles of tropical islands in developed countries are characterised by morning, midday and evening peaks arising from all year round high power demand in the commercial and residential sectors, due mostly to air conditioning…

Computational Engineering, Finance, and Science · Computer Science 2012-12-26 F. Garde , H. Boyer , J. C. Gatina

A lot of current buildings are operated energy inefficient and offer a great potential to reduce the overall energy consumption and CO2 emission. Detecting these inefficiencies is a complicated task and needs domain experts that are able to…

Software Engineering · Computer Science 2014-09-02 Thomas Kurpick , Markus Look , Claas Pinkernell , Bernhard Rumpe

The construction of a building inevitably changes the microclimate in its vicinity. Many city authorities request comprehensive wind studies before granting a building permit, which can be obtained by Computational Fluid Dynamics (CFD)…

Atmospheric and Oceanic Physics · Physics 2020-10-26 Trond-Ola Hågbo , Knut Erik Teigen Giljarhus , Bjørn Helge Hjertager

The study of turbulent boundary layer flow holds significant importance in urban climate research, particularly concerning numerical simulation studies where it serves as a crucial inflow boundary condition. However, understanding the…

Fluid Dynamics · Physics 2023-10-23 Yunpeng Xue , Yongling Zhao , Shuo-Jun Mei , Yuan Chao , Jan Carmeliet

An aircraft cabin is used as a laboratory for studying the atmospheric pressure during a flight. All the different steps of the flight: take-off, cruise altitude climbing and landing are monitored with the use of the pressure sensor of a…

Atmospheric and Oceanic Physics · Physics 2024-02-28 Regis Barille

Wind turbines operate in the atmospheric boundary layer, where they are exposed to the turbulent atmospheric flows. As the response time of wind turbine is typically in the range of seconds, they are affected by the small scale intermittent…