Publications related to Steady-state economy

Open-loop control of noise amplification in separated boundary layers

Linear optimal gains are computed for the subcritical two-dimensional separated boundary-layer flow past a bump. Very large optimal gain values are found, making it possible for small-amplitude noise to be strongly amplified and to destabilize the flow. Th ...

2013

Bedload transport powered by daily floods: unsteadiness and stochasticity.

Christophe Ancey, Joris Heyman

The use of geo-sensors in mountain rivers becomes more and more frequent. It provides valuable continuous time series of bedload transport discharge at high temporal resolution that are essential to evaluate, compare and fit theoretical model.This increasi ...

2013

Open-loop control of a separated boundary layer

François Gallaire, Edouard Boujo

Linear optimal gains

G_opt(\omega)

are computed for the separated boundary-layer flow past a two-dimensional bump in the subcritical regime. Very large values are found, making it possible for small-amplitude noise to be strongly amplified and to destabi ...

Cépaduès Editions2013

Bacterial resource management for nutrient removal in aerobic granular sludge

David Gregory Weissbrodt

A holistic approach was developed towards efficient bacterial resource management for nutrient removal from wastewater in aerobic granular sludge sequencing batch reactors. Multiple reactor experiments from granulation start-up to operation at steady-state ...

2013

Instrument intercomparison in the pulsed neutron fields at the CERN HiRadMat facility

Nikolaos Charitonidis, Daniel Perrin, Marco Silari

An intercomparison of the performances of active neutron detectors was carried out in pulsed neutron fields in the new HiRadMat facility at CERN. Five detectors were employed: four of them (two ionization chambers and two rem counters) are routinely employ ...

2013

Effect of Antecedent Conditions on Soil Erosion Dynamics in a Laboratory Flume

David Andrew Barry, Alessandro Brovelli, Seifeddine Jomaa

The effect of antecedent conditions on precipitation-driven soil erosion dynamics through multiple rainfall events was investigated using a pair of 6-m • 1-m flumes with 2.2% slope. Three experiments denoted H6, H7-E2 and H7-E3, involved the same precipita ...

2012

Laboratory flume experiments to study the influence of initial conditions and rock fragment cover on soil erosion dynamics

David Andrew Barry, Alessandro Brovelli, Seifeddine Jomaa

The influence of the initial soil surface characteristics and rock fragment coverage on precipitation-driven soil erosion was investigated through laboratory experiments on a 6-m × 1-m soil parcel with mild slope. A sequence of four experiments, consisting ...

2012

Brillouin Optical Time-Domain Analysis: pushing back the frontiers

Luc Thévenaz

These past few years the steady demand from end users has deeply stimulated the research in the field of distributed fibre sensors based on stimulated Brillouin scattering. Some recent progresses are here reported, pushing the limits beyond what has been c ...

Nanjing University2012

Competition of the primary and peritectic phases in hypoperitectic Cu-Sn alloys solidified at low speed in a diffusive regime

Michel Rappaz, Jean-Daniel Wagnière, Jonas Valloton

Directional solidification experiments on hypoperitectic Cu-Sn alloys have been performed at very low velocity in a high thermal gradient to ensure planar front growth of both phases. The diameter of the sample has been reduced to 500 mu m to strongly redu ...

Elsevier2012

Sensitivity of optimal gains in a detached boundary layer

François Gallaire, Edouard Boujo

The flow over a 2D bump at moderate Reynolds numbers is studied as a pro- totype of detached boundary layers. It is well known that such non-normal systems can exhibit large energy amplification even in their stable regime, as characterized by transient gr ...

2012

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Open-loop control of noise amplification in separated boundary layers

Bedload transport powered by daily floods: unsteadiness and stochasticity.

Open-loop control of a separated boundary layer

Bacterial resource management for nutrient removal in aerobic granular sludge

Instrument intercomparison in the pulsed neutron fields at the CERN HiRadMat facility

Effect of Antecedent Conditions on Soil Erosion Dynamics in a Laboratory Flume

Laboratory flume experiments to study the influence of initial conditions and rock fragment cover on soil erosion dynamics

Brillouin Optical Time-Domain Analysis: pushing back the frontiers

Competition of the primary and peritectic phases in hypoperitectic Cu-Sn alloys solidified at low speed in a diffusive regime

Sensitivity of optimal gains in a detached boundary layer

Open-loop control of noise amplification in separated boundary layers

Bacterial resource management for nutrient removal in aerobic granular sludge

Instrument intercomparison in the pulsed neutron fields at the CERN HiRadMat facility

Open-loop control of a separated boundary layer

Bedload transport powered by daily floods: unsteadiness and stochasticity.

Effect of Antecedent Conditions on Soil Erosion Dynamics in a Laboratory Flume

Brillouin Optical Time-Domain Analysis: pushing back the frontiers

Laboratory flume experiments to study the influence of initial conditions and rock fragment cover on soil erosion dynamics

Sensitivity of optimal gains in a detached boundary layer

Competition of the primary and peritectic phases in hypoperitectic Cu-Sn alloys solidified at low speed in a diffusive regime