Publications related to Iron Age

Exploitation of a new iron B-H phenomenon for the standstill position detection of PM motors

Yves Perriard, Miroslav Markovic, Omar Scaglione

This paper introduces a promising technique for detecting the rotor position of a PM motor at standstill. The technique is based on the B-H hysteresis characteristics of the stator iron. Depending on the rotor position, a very particular phenomenon related ...

IEEE, Piscataway, NJ, USA2010

Modeling of viscoelastic properties of Ultra High Performance Fiber Reinforced Concrete (UHPFRC) under low to high tensile stresses

Eugen Brühwiler, Emmanuel Denarié, Agnieszka Ewa Switek

The purpose of this paper is to explore the UHPFRC time-dependent behavior under sustained tensile loading at very early age (3 days) and to highlight its sensitivity to the level of loading by laboratory testing and numerical analysis. Uniaxial creep and ...

EPFL-Rilem2010

Probing the Electronic Structure of the Hemoglobin Active Center in Physiological Solutions

Majed Chergui

Soft-x-ray absorption spectroscopy at the L2,3 edge of the iron center in bovine Hb and hemin under physiol. conditions is reported for the first time. Spectra of the same compds. in solid form are presented for comparison. Striking differences in the elec ...

2009

First-Principles Study of Non-heme Fe(II) Halogenase SyrB2 Reactivity

Nicola Marzari

We present here a computational study of reactions at a model complex of the SyrB2 enzyme active site. SyrB2, which chlorinates L-threonine in the syringomycin biosynthetic pathway, belongs to a recently discovered class of alpha-ketoglutarate (alpha KG), ...

2009

PM motor sensorless position detection based on iron B-H local hysteresis

Yves Perriard, Miroslav Markovic, Omar Scaglione

A sensorless position detection technique for a permanent magnet (PM) motor with non-salient rotor is presented. It is shown that the phase self inductances and resistances measured at higher frequencies vary slightly with the rotor position. The origin of ...

2009

Exploitation of iron B-H local hysteresis for the rotor position detection of a PM motor

Yves Perriard, Miroslav Markovic, Omar Scaglione

In this paper it is shown that the phase self inductance and resistance, both measured at a high frequency, of a permanent magnet (PM) motor with non-salient rotor vary slightly with the rotor position. The origin of these variations is deeply investigated ...

Ieee Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa2009

Mechanism of Pyridine-Ligand Exchanges at the Different Labile Sites of 3d Heterometallic and Mixed Valence μ3-oxo Trinuclear Clusters

André Merbach, Rosario Scopelliti, Lothar Helm, Fabrice Riblet

The syntheses and single crystal X-ray structural analysis of five novel hetero- and homometallic μ3-oxo trinuclear cluster with the formula [FeIII2MII(μ3-O)(μ-O2CCH3)6(4-Rpy)3] · x(4-Rpy) · y(CH3CN) where R ) Ph for 1(Fe2Mn),2(Fe2Fe), 3(Fe2Co), 4(Fe2Ni) a ...

2008

Nitrous Oxide Decomposition on the Binuclear $\left$ Center in Fe-ZSM-5 Zeolite

The reaction mechanism for nitrous oxide (

{N}_{2}O

) direct decomposition into molecular nitrogen and oxygen was studied on binuclear iron sites in Fe-ZSM-5 zeolite using the density functional theory (DFT). Starting from the hydroxylated bi-iron complex ...

2008

Single-particle oxidation state and morphology of atmospheric iron aerosolsle

Satoshi Takahama

Sixty-three iron-containing particles from five field campaigns (PELTI, ACE-Asia, MILAGRO (urban location and aloft on NCAR C-130), INTEX-B) were characterized with scanning transmission X-ray microscopy and near-edge X-Ray absorption fine structure L-edge ...

2008

Hydroxylamine decomposition in the presence of iron studied by calorimetry, online mid-IR and UV-vis spectroscopy

Julien Léo Billeter, Konrad Hungerbühler

Recent explosions at two chemical plants, one in the United States and one in Japan, involving hydroxylamine manufacture underline the lack of mechanistic understanding about this industrially relevant compound. The basic chemical properties of hydroxylami ...

2006

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Exploitation of a new iron B-H phenomenon for the standstill position detection of PM motors

Modeling of viscoelastic properties of Ultra High Performance Fiber Reinforced Concrete (UHPFRC) under low to high tensile stresses

Probing the Electronic Structure of the Hemoglobin Active Center in Physiological Solutions

First-Principles Study of Non-heme Fe(II) Halogenase SyrB2 Reactivity

PM motor sensorless position detection based on iron B-H local hysteresis

Exploitation of iron B-H local hysteresis for the rotor position detection of a PM motor

Mechanism of Pyridine-Ligand Exchanges at the Different Labile Sites of 3d Heterometallic and Mixed Valence μ3-oxo Trinuclear Clusters

Nitrous Oxide Decomposition on the Binuclear $\left$ Center in Fe-ZSM-5 Zeolite

Single-particle oxidation state and morphology of atmospheric iron aerosolsle

Hydroxylamine decomposition in the presence of iron studied by calorimetry, online mid-IR and UV-vis spectroscopy

First-Principles Study of Non-heme Fe(II) Halogenase SyrB2 Reactivity

Probing the Electronic Structure of the Hemoglobin Active Center in Physiological Solutions

Modeling of viscoelastic properties of Ultra High Performance Fiber Reinforced Concrete (UHPFRC) under low to high tensile stresses

Hydroxylamine decomposition in the presence of iron studied by calorimetry, online mid-IR and UV-vis spectroscopy

Exploitation of iron B-H local hysteresis for the rotor position detection of a PM motor

Nitrous Oxide Decomposition on the Binuclear $\left$ Center in Fe-ZSM-5 Zeolite

Single-particle oxidation state and morphology of atmospheric iron aerosolsle

PM motor sensorless position detection based on iron B-H local hysteresis

Exploitation of a new iron B-H phenomenon for the standstill position detection of PM motors

Mechanism of Pyridine-Ligand Exchanges at the Different Labile Sites of 3d Heterometallic and Mixed Valence μ3-oxo Trinuclear Clusters