Publications related to Wind | EPFL Graph Search

Nonlinear dynamics of the near-shore boundary layer of a large lake (Lake Geneva)

David Andrew Barry, Ulrich Lemmin, Damien Bouffard, Andrea Cimatoribus

We examine near-shore and pelagic current variability in Lake Geneva, a large and deep lake in western Europe, using observations from several measurement locations and a three-dimensional numerical model for the period 2014-2016. Linear internal seiche mo ...

2018

Experimental investigation of vertical-axis wind-turbine wakes in boundary layer flow

Fernando Porté Agel, Vincent François-Charles Rolin

In this experiment, a small scale vertical-axis wind-turbine (VAWT) is immersed in a boundary-layer in a wind tunnel and stereo particle image velocimetry is employed to quantify the 3D characteristics of the wake. The measurements show that the wake is st ...

2018

Effect of meso-scale surface water temperature heterogeneity on surface cooling estimates of a large lake: Airborne remote sensing results from Lake Geneva

David Andrew Barry, Ulrich Lemmin, Abolfazl Irani Rahaghi

Satellite thermal images are frequently used in the study of surface heat exchange dynamics over lakes. Such investigations can depict large-scale thermal patterns with a resolution of O(1 km2), but not meso- or small-scale processes, requiring O(1 m) and ...

2018

Incoming Wind and Wake Measurements of a Single 2.5 MW Wind Turbine Using Two Nacelle-Mounted Wind LiDARs for Analytical Wake Model Validation

Fernando Porté Agel, Corey Dean Markfort, Fernando Carbajo Fuertes

The two main effects of a wind turbine wake on those within its region of influence are: first, the wind speed deficit results in a decrease in the power production and second, a more turbulent flow results in higher unsteady structural forces, potentially ...

2018

Micropollutants in Large Lakes: From Potential Pollution to Risk Assessments

David Andrew Barry, Luca Rossi, Florence Bonvin, Neil Graham

This book is divided into six additional chapters: Chapter 2 deals with the agricultural source of micropollutants; Chapter 3 with the urban source of micropollutants; Chapter 4 with lake circulation; Chapter 5 with the influence of a wastewater treatment ...

CRC Press & EPFL Press2018

Local snow transport and surface evolution processes in East Antarctica

Varun Sharma, Michael Lehning, Wolf Hendrik Huwald, Nander Wever, Francesco Comola, Eric Sauvageat, Philip Crivelli

In Antarctica, direct measurements of processes shaping the surface mass balance such as precipitation, accumulation and erosion, drifting and blowing snow, and sublimation, are sparse and challenging due to the extreme environment and related difficulties ...

2018

Local surface mass balance processes in East Antarctica

Varun Sharma, Michael Lehning, Wolf Hendrik Huwald, Nander Wever, Francesco Comola, Eric Sauvageat

In Antarctica, direct observations of key processes shaping the surface mass balance such as precipitation and snow deposition, wind transport of snow, and sublimation, are sparse due to the extreme environment and related difficulties in measuring the var ...

2018

Performance enhancement of downwind sails due to leading edge flapping: A wind tunnel investigation

Julien Dominique Claude Deparday

This work presents a wind tunnel experimental study on the effect of the leading edge flapping on the aerodynamic performance of a spinnaker. Four J80-class spinnaker models, combining two different assembling structures (panel layout) and two different sa ...

PERGAMON-ELSEVIER SCIENCE LTD2018

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Wind

Nonlinear dynamics of the near-shore boundary layer of a large lake (Lake Geneva)

Experimental investigation of vertical-axis wind-turbine wakes in boundary layer flow

Effect of meso-scale surface water temperature heterogeneity on surface cooling estimates of a large lake: Airborne remote sensing results from Lake Geneva

Interactions between drifting snow and surface dynamics

Incoming Wind and Wake Measurements of a Single 2.5 MW Wind Turbine Using Two Nacelle-Mounted Wind LiDARs for Analytical Wake Model Validation

Micropollutants in Large Lakes: From Potential Pollution to Risk Assessments

From the clouds to the ground - Effects of flow-precipitation interactions on snow distribution in complex alpine terrain

Local snow transport and surface evolution processes in East Antarctica

Local surface mass balance processes in East Antarctica

Performance enhancement of downwind sails due to leading edge flapping: A wind tunnel investigation

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Nonlinear dynamics of the near-shore boundary layer of a large lake (Lake Geneva)

Experimental investigation of vertical-axis wind-turbine wakes in boundary layer flow

Effect of meso-scale surface water temperature heterogeneity on surface cooling estimates of a large lake: Airborne remote sensing results from Lake Geneva

Incoming Wind and Wake Measurements of a Single 2.5 MW Wind Turbine Using Two Nacelle-Mounted Wind LiDARs for Analytical Wake Model Validation

Micropollutants in Large Lakes: From Potential Pollution to Risk Assessments

From the clouds to the ground - Effects of flow-precipitation interactions on snow distribution in complex alpine terrain

Local snow transport and surface evolution processes in East Antarctica

Local surface mass balance processes in East Antarctica

Performance enhancement of downwind sails due to leading edge flapping: A wind tunnel investigation

Interactions between drifting snow and surface dynamics