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Affichage de 2081 à 2090 sur 6372

Chapitre d'ouvrage

Numerical and Dynamic Study of Flow Instabilities and Heat Transfer at a Backward-Facing Step Using the Lattice Boltzmann Method

Insaf Mehrez, Ramla Gheith, Fethi Aloui, Sassi Ben Nasrallah

In this paper, a study of laminar flows based on lattice Boltzmann method (LBM) is presented. Numerical investigations of flow dynamics and its heat transfer at a backward-facing step were performed. We have considered an imposed temperature on system walls and chosen a convective exchange mode.…

Exergy for A Better Environment and Improved Sustainability : Fundamentals, 1, Springer International Publishing, pp.509-526, 2018, Green Energy and Technology, 978-3-319-62572-0. ⟨10.1007/978-3-319-62572-0_34⟩. ⟨hal-03432047⟩

Chapitre d'ouvrage

Modeling Energetic Efficiency of Coil Annealing Using Hydrogen Gas

Abdallah Haouam, Maxence Bigerelle, Bachir Merzoug

Determining the temperature of several steel coils, heated in a furnace traversed by hydrogen, is approached by numerical modeling using differential equations governing heat transfers involved. The resolution is performed by the method of finite differences. Convergence standards of different…

Exergy for A Better Environment and Improved Sustainability 1, Springer International Publishing, pp.289-302, 2018, Green Energy and Technology, ⟨10.1007/978-3-319-62572-0_20⟩. ⟨hal-03675351⟩

Chapitre d'ouvrage

Recovery of Waste Farm After Methanation by Evaporation on Inclined Plate

Hiba Zouaghi, Souad Harmand, Sadok Ben Jabrallah

This work addresses the recovery of a liquid effluent by thermal evaporation. It is a digestate of pig manure, rich in N, P, and K (Granier et al. 1995; Latimier et al. 1996; Levasseur, TECHNI 21(4):16–19, 1998). The effluent was subjected to anaerobic digestion and phase separation by…

Exergy for A Better Environment and Improved Sustainability 1, Springer International Publishing, pp.645-660, 2018, Green Energy and Technology, ⟨10.1007/978-3-319-62572-0_42⟩. ⟨hal-03677159⟩

Chapitre d'ouvrage

Parametric Study on Thermal Performance of PCM Heat Sink Used for Electronic Cooling

Salma Gharbi, Souad Harmand, Sadok Ben Jabrallah

This work presents a numerical study on the thermal behavior of a PCM heat sink for the purpose of electronic cooling. Introducing copper fins inside a PCM heat sink was examined. A parametric study was performed to maximize the critical time elapsed before reaching the allowable temperature limit…

Exergy for A Better Environment and Improved Sustainability, 1, Springer International Publishing, pp.243-256, 2018, Green Energy and Technology, 978-3-319-62572-0. ⟨10.1007/978-3-319-62572-0_17⟩. ⟨hal-03449966⟩

Article dans une revue

Generalized harmonic morphisms and horizontally weakly conformal biharmonic maps

Elsa Ghandour, Ye-Lin Ou

Harmonic morphisms are maps between Riemannian manifolds that pull back harmonic functions to harmonic functions. These maps are characterized as horizontally weakly conformal harmonic maps and they have many interesting links and applications to several areas in mathematics (see the book [2] by…

Australian Journal of Mathematical Analysis and Applications, 2018, 464 (1), pp.924-938. ⟨10.1016/j.jmaa.2018.04.044⟩. ⟨hal-03149449⟩

Ouvrages

ASAASIT: Architectures and Systems for Automotive, Aeronautic, Space and Intelligent Transportation

Smail Niar, Ihsen Alouani

Digital systems in intelligent transportation systems (ITS) will play an important role and are becoming increasingly complex. New applications for these ITS have emerged to respond to people and societal needs and to ensure driver and passenger safety. Applications such as Driverless cars, Vehicle…

2018. ⟨hal-03403063⟩

Article dans une revue

Improved Eigenfilter Design Method for Channel Shortening Equalizer in TH-UWB

Noureddine Benamara Benotmane, Sid Ahmed Elahmar, Iyad Dayoub, Walaa Hamouda

The large delay spread of ultra-wideband (UWB) channels causes intersymbol interference and therefore increases the complexity of a UWB Rake receiver. To resolve these problems, we present a new method for the design of channel shortening equalizers (CSE) in time-hopping UWB systems. Our proposed…

IEEE Transactions on Vehicular Technology, 2018, 67 (8), pp.7749-7753. ⟨10.1109/TVT.2018.2822178⟩. ⟨hal-03508926⟩

Article dans une revue

On the modeling of a visco-hyperelastic polymer gel under blunt ballistic impacts

Anthony Bracq, Grégory Haugou, Benjamin Bourel, Christophe Maréchal, Franck Lauro, Sébastien Roth, Olivier Mauzac

In this paper, the modeling of a polymer gel used as target medium in blunt ballistic experiments is presented. A new visco-hyperelastic law based on the Mooney–Rivlin model is proposed and implemented in a numerical simulation software. The material model identification relies on mechanical…

International Journal of Impact Engineering, 2018, 118, pp.78-90. ⟨10.1016/j.ijimpeng.2018.04.001⟩. ⟨hal-03451027⟩

Article dans une revue

Study of engine performance, emission and combustion characteristics fueled with diesel-like fuel produced from waste engine oil and waste plastics

V. Edwin Geo, Ankit Sonthalia, Fethi Aloui, J. Femilda Josephin

Utilizing oil extracted from waste engine oil and waste plastics, by pyrolysis, as a fuel for internal combustion engines has been demonstrated to be one of the best available waste management methods. Separate blends of fuel from waste engine oil and waste plastic oil was prepared by mixing with…

FRONTIERS OF ENVIRONMENTAL SCIENCE and ENGINEERING, 2018, 12 (4), ⟨10.1007/s11783-018-1063-6⟩. ⟨hal-03450001⟩

Article dans une revue

Homme, personne, être humain

Vassil Mostrov, Angelina Aleksandrova

Cette étude contrastive français-bulgare des noms d’humains généraux poursuit un double objectif. D’une part, en écho avec le travail de Cappeau & Schnedecker sur les NHGfr (ici-même), nous caractériserons pour la première fois l’ensemble des NHG existants en bulgare sur le plan…, The aim of this contrastive study that deals with human general nouns (HGN) in French and in Bulgarian is double: first, in connection with Cappeau & Schnedecker’s work on French HGN (in this volume), we characterize for the first time the available Bulgarian HGNs under their…

Linx, 2018, 76, pp.133-162. ⟨10.4000/linx.2531⟩. ⟨hal-03236231⟩