-
Article
Open AccessEfficacy of endoscopic gastrojejunal bypass in obese Yucatan pigs: a comparative animal study
Natural orifice transluminal endoscopy surgery (NOTES) gastrojejunal anastomosis (GJA) with duodenal exclusion (DE) could be used as a less invasive alternative to surgical gastric bypass. The aim of this stud...
-
Article
Open AccessMortality induced by PM2.5 exposure following the 1783 Laki eruption using reconstructed meteorological fields
The 1783–1784 Laki eruption provides a natural experiment to evaluate the performance of chemistry-transport models in predicting the health impact of air particulate pollution. There are few existing daily me...
-
Article
Western Mediterranean precipitation over the last 300 years from instrumental observations
The paper reports the results of the analysis of the 14 longest precipitation instrumental series, covering the last 300 years, that have been recovered in six subareas of the Western Mediterranean basin, i.e....
-
Article
NARX modelling of unsteady separation control
This paper presents the application of Nonlinear Auto-Regressive with eXogenous input (NARX) modelling to model the flow behaviour in response of a periodic forcing. In the first part, the NARX black-box model...
-
Article
Grapevine harvest dates in Besançon (France) between 1525 and 1847: Social outcomes or climatic evidence?
We present a unique contextualised series of grape harvest dates (GHD) from Besançon, Eastern France, from the early sixteenth to the mid nineteenth century. The GHD series was processed to remove as far as po...
-
Article
500-year temperature reconstruction in the Mediterranean Basin by means of documentary data and instrumental observations
The paper reports the main results of the EU project Millennium in the Mediterranean area over the last 500 years. It analyses a long series of temperature from Portugal, Spain, France, Italy and Greece. The s...
-
Article
The western Mediterranean climate: how will it respond to global warming?
The paper discusses the newly produced temperature and precipitation series from instrumental observations in the Western Mediterranean (WM) area, dating back to 1654. The two series had a continuous swing and...
-
Chapter and Conference Paper
Large-Eddy Simulation of Transonic Buffet over a Supercritical Airfoil
The transonic buffet is an aerodynamic phenomenon that results in a large-scale self-sustained periodic motion of the shock over the surface of the airfoil. The time scale associated to this motion is much slo...
-
Chapter and Conference Paper
Experimental and Numerical Study of Unsteadiness in Boundary Layer / Shock Wave Interaction
The unsteady flowfield induced by an interaction between an im**ing shock wave and a turbulent boundary layer is analysed by means of both Large-Eddy simulations and experiments relying on PIV and wall press...
-
Chapter and Conference Paper
Large-Eddy Simulation of Transonic Buffet over a Supercritical Airfoil
The transonic buffet is an aerodynamic phenomenon that results in a large-scale self-sustained periodic motion of the shock over the surface of the airfoil. The time scale associated to this motion is much slo...
-
Chapter and Conference Paper
Large Eddy Simulation of Im**ing Shock Wave/Turbulent Boundary Layer Interaction at M = 2.3
Large eddy simulation (LES) of a bidimensional interaction of an oblique shock with a plane plate has been performed for two shock generator angles: 8° and 9.5°. Qualitative agreement is found with experimenta...
-
Chapter and Conference Paper
ONERA/IEMN Contribution within the ADVACT Program: Actuators Evaluation
This paper summarizes the ONERA/LEMAC contribution within the work-packages 2 and 3 of the EU project ADVACT. This activity is dedicated to the evaluation of pulsed jets based on magnetic actuation principle o...
-
Chapter and Conference Paper
On the Use of Stimulated Detached Eddy Simulation (SDES) for Spatially Develo** Boundary Layers
This paper is devoted to the study of the behaviour of DES-type methods used as Wall-Modelled-Large-Eddy-Simulation (WMLES) and to the treatment of the eddy viscosity in the framework of turbulent inlet condit...
-
Article
Effects of Charge Injection Error on Switched Current Divider Circuits
This paper presents the effects of charge injection error on switched-current Divider Circuits. Algorithmic structures of current dividers are presented and the charge injection error is evaluated at each iter...
-
Article
Preparation of Pt–Ru bimetallic anodes by galvanostatic pulse electrodeposition: characterization and application to the direct methanol fuel cell
The electrodeposition of platinum and ruthenium was carried out on carbon electrodes to prepare methanol anodes with different Pt/Ru atomic ratios using a galvanostatic pulse technique. Characterizations by XR...
-
Article
Electrooxidation of methanol at platinum–ruthenium catalysts prepared from colloidal precursors: Atomic composition and temperature effects
The electrocatalytic oxidation of methanol was investigated on PtRu electrodes of different atomic compositions at several temperatures (from 25 to 110 °C). Very active catalyst nanoparticles supported on acti...
-
Chapter and Conference Paper
Shock-capturing schemes for L.E.S. applications
Numerical simulations of freely decaying isotropic turbulence were performed at two different Mach numbers (0.2 and 1.0) using known shock-capturing Euler schemes (Jameson, TVD-MUSCL, ENO). The potential of th...
-
Article
Specific leaf area and leaf nitrogen concentration in annual and perennial grass species growing in Mediterranean old-fields
Specific leaf area (the ratio of leaf area to leaf dry mass) and leaf nitrogen concentration were measured on ten annual and nine perennial grass species growing in two old-fields of southern France, under a ...
-
Article
Variation in relative growth rate and its components in the annual Polygonum aviculare in relation to habitat disturbance and seed size
Polygonum aviculare is an annual weedy species showing extensive genetic variation in seed and leaf size and colonizing various types of man-disturbed habitats. A growth analysis was conducted on 12 genotypes re...
-
Article
Components of relative growth rate and sensitivity to nitrogen availability in annual and perennial species of Bromus
Two grass species, the annual Bromus sterilis and the perennial Bromus erectus, were grown from seeds for 28 days in a hydroponic culture system at 1 and 100 μM NO3 - in the nutrient solution. At 100 μM NO3 -, th...