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Toward Demystifying the Mohs Hardness Scale

Jean-François Molinari

Today, the Mohs scale is used profusely throughout educational systems without any persuasive understanding of the fundamental principles. Why one mineral has a scratch hardness over the next culminating in a scale of 1 (chalk) to 10 (diamond) has no atomi ...

Wiley-Blackwell2015

Toward demystifying the Mohs Hardness Scale

Jean-François Molinari

2015

A new analytical model for wind farm power prediction

Fernando Porté Agel, Amin Niayifar

In this study, a new analytical approach is presented and validated to predict wind farm power production. The new model is an extension of the recently proposed by Bastankhah and Porte-Agel for a single wake. It assumes a self-similar Gaussian shape of th ...

Iop Publishing Ltd2015

A new analytical model for wind farm power prediction

Fernando Porté Agel, Amin Niayifar

In this study, a new analytical approach is presented and validated to predict wind farm power production. The new model is an extension of the recently proposed by Bastankhah and Porté-Agel for a single wake. It assumes a self-similar Gaussian shape of th ...

2015

Credit market frictions and capital structure dynamics

Semyon Malamud, Erwan Morellec, Julien Hugonnier

We study the implications of credit market frictions for the dynamics of corporate capital structure and the risk of default of corporations. To do so, we develop a dynamic capital structure model in which firms face uncertainty regarding their ability to ...

2015

Effect of Varying Jet Diameter on the Heat Transfer Distributions of Narrow Impingement Channels

Peter Ott, Alexandros Terzis, Bernhard Weigand

The development of integrally cast turbine airfoils allows the production of narrow impingement channels in a double-wall configuration, where the coolant is practically injected within the wall of the airfoil providing increased heat transfer capabilities ...

Asme2015

Near-optimal Sensor Placement for Signals lying in a Union of Subspaces

Martin Vetterli, Juri Ranieri, Dalia Salem Hassan Fahmy El Badawy

Sensor networks are commonly deployed to measure data from the environment and accurately estimate certain parameters. However, the number of deployed sensors is often limited by several constraints, such as their cost. Therefore, their locations must be o ...

2014

An Operational Semantics for Hybrid Systems Involving Behavioral Abstraction

Simon Bliudze

We discuss the challenges of building a simulation framework for hybrid systems, in particular the well-known Zeno effect and correct composition of models idealised by abstracting irrelevant behavioural details (e.g. the bounce dynamics of a bouncing ball ...

Linköping University Electronic Press, Linköpings universitet2014

Learning adaptive movements from demonstration and self-guided exploration

Sylvain Calinon

The combination of imitation and exploration strategies is used in this paper to transfer sensory-motor skills to robotic platforms. The aim is to be able to learn very different tasks with good generalization capabilities and starting from a few demonstra ...

2014

How Accurately Can We Predict the Melting Points of Drug-like Compounds?

Luc Patiny

This article contributes a highly accurate model for predicting the melting points (MPs) of medicinal chemistry compounds. The model was developed using the largest published data set, comprising more than 47k compounds. The distributions of MPs in drug-li ...

American Chemical Society2014