Zobrazeno 1 - 10
of 40
pro vyhledávání: '"Yonatan A. Tesfahunegn"'
Autor:
Federica Kiyomi Ciliberti, Lorena Guerrini, Arnar Evgeni Gunnarsson, Marco Recenti, Deborah Jacob, Vincenzo Cangiano, Yonatan Afework Tesfahunegn, Anna Sigríður Islind, Francesco Tortorella, Mariella Tsirilaki, Halldór Jónsson, Paolo Gargiulo, Romain Aubonnet
Publikováno v:
Diagnostics, Vol 12, Iss 2, p 279 (2022)
For the observation of human joint cartilage, X-ray, computed tomography (CT) or magnetic resonance imaging (MRI) are the main diagnostic tools to evaluate pathologies or traumas. The current work introduces a set of novel measurements and 3D feature
Externí odkaz:
https://doaj.org/article/7611a1e2f0a94b369dabe37f9bcb2b4d
Autor:
Hákon Valur Haraldsson, Halldór Traustason, Yonatan A. Tesfahunegn, Merete Tangstad, Gurún Sævarsdóttir
Publikováno v:
Materials Processing Fundamentals 2023 ISBN: 9783031226564
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d5de1cc7dfd3fca2bc632a5470850487
https://doi.org/10.1007/978-3-031-22657-1_14
https://doi.org/10.1007/978-3-031-22657-1_14
Autor:
Brandon Velasquez, Sarah DiBenedetto, Yonatan A. Tesfahunegn, Maria Gudjonsdottir, Gudrun Saevarsdottir
Publikováno v:
Energy Technology 2023 ISBN: 9783031226373
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::de97b306a73203d062c93bdb4c618c04
https://doi.org/10.1007/978-3-031-22638-0_14
https://doi.org/10.1007/978-3-031-22638-0_14
Publikováno v:
JOM. 73:2963-2972
This work discusses the effect of electrode position on the electrical characteristics of a submerged arc furnace. A 3D model has been developed in ANSYS Maxwell using an eddy current solver that considers alternating current. The model includes flex
Publikováno v:
Metallurgical and Materials Transactions B
This work discusses 3D models of current distribution in a three-phase submerged arc furnace that contains several components, such as electrodes, central arcs, craters, crater walls, and side arcs that connect electrodes and crater walls. A complete
Publikováno v:
SSRN Electronic Journal.
Electric arcs are a necessary heat source in many industrial processes that take place in Submerged Arc Furnaces (SAFs). Arcs exhibit non-linear electrical characteristics and behave in a complex manner. Therefore, an improved understanding of their
Publikováno v:
SSRN Electronic Journal.
This work discusses the effect of electrode movements on inductive reactance in a submerged arc furnace. A 3D model has been developed in ANSYS Maxwell using an eddy current solver that considers alternating current (AC). The model includes transform
Publikováno v:
The Minerals, Metals & Materials Series ISBN: 9783030365554
Recent electromagnetic modeling efforts for submerged arc furnace give an opportunity to improve understanding of the current distribution, which is critical for proper operation of furnaces for silicon production. This paper presents calculations of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::abb8c65ef7e4a47c9f6d119f224485fc
https://doi.org/10.1007/978-3-030-36556-1_16
https://doi.org/10.1007/978-3-030-36556-1_16
Autor:
Vijay Chauhan, Yonatan A. Tesfahunegn, Gudrun Saevarsdottir, Einar Asbjornsson, Maria Gudjonsdottir
Publikováno v:
Geothermics. 97:102239
This work presents a computational study to understand different heat transfer and phase transition processes of two-phase flow in a geothermal wellbore. The simulation uses a six-equation model with mass, momentum, and energy balance equations for t
Publikováno v:
Engineering Computations. 33:2320-2338
Purpose Strategies for accelerated multi-objective optimization of aerodynamic surfaces are investigated, including the possibility of exploiting surrogate modeling techniques for computational fluid dynamic (CFD)-driven design speedup of such surfac