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Jaime Sieres, Ignacio Ortega, Fernando Cerdeira, Estrella Álvarez and José M. Santos
The seasonal performance of a heat pump indicates its average performance during the heating and/or cooling season, taking into account the different energy demands and their variability over time. Several European and international regulations and polic...
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Hamed Basir, Shahab Alaviyoun and Marc A. Rosen
An experimental thermal survey of a turbocharger was performed in an engine test cell using IR thermography. The emissivity coefficients of housings were specified using a furnace and camera. It was shown that the emissivity of the turbine, compressor, a...
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Adriana Brandis, Ivan Kraus and Simon Petrovcic
Numerical modelling of the soil in seismic design of structures is always a daunting task. The goal of this article is to develop a simplistic numerical modelling technique for shallow founded buildings on compliant soils. An existing large-scale experim...
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P. Ye. Mykhalichenko,M. O. Kostin
Pág. 61 - 66
The article describes results of experimental research of the coupling strength of rail rolling stock with a guaranteed tightness of the journal-box unit, the internal surface of whose internal rings of bearings was restored by electrolytic zinc-plating ...
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O. L. Zakora
Pág. 118 - 123
The results of theoretical and experimental tests of the constructional, dynamic and constructive damping of vibrations of the bridge span structures have been considered.
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Yichi Chen, Wangqiang Niu, Yanhua Yang and Yassine Amirat
The eddy current loss caused by the conductivity of seawater results in a relatively low transfer efficiency of underwater wireless power transfer (WPT). And the transfer distance of the current WPT system is relatively short. Considering that most of th...
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Giorgio Maria Di Nunzio and Riccardo Minzoni
A survey published by Nature in 2016 revealed that more than 70% of researchers failed in their attempt to reproduce another researcher?s experiments, and over 50% failed to reproduce one of their own experiments; a state of affairs that has been termed ...
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E. Anyuli Alvarez Salcido, Daniel Centeno-Barreda, Yukio Rosales, Ricardo Lopéz-Gutiérrez, Sergio Salazar and Rogelio Lozano
This paper presents the development of a robust control algorithm to be applied in a knee and ankle joint exoskeleton designed for rehabilitation of flexion/extension movements. The goal of the control law is to follow the trajectory of a straight leg ex...
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Erik Nilsson, Sylvain Ménard, Delphine Bard Hagberg and Nikolaos-Georgios Vardaxis
Sound reduction is complex to estimate for acoustical treatments on ventilation ducts through walls. Various acoustical treatments are available for ventilation ducts, including internal lining (absorption along the inner perimeter), external lagging (ex...
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Gianluigi Bovesecchi, Sandra Corasaniti, Girolamo Costanza, Fabio Piccotti, Michele Potenza and Maria Elisa Tata
A nanofluid is a suspension consisting of a uniform distribution of nanoparticles in a base fluid, generally a liquid. Nanofluid can be used as a working fluid in heat exchangers to dissipate heat in the automotive, solar, aviation, aerospace industries....
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Victoria Patricia López-Cabeza, Eduardo Diz-Mellado, Carlos Alberto Rivera-Gómez and Carmen Galán-Marín
Outdoor comfort is gaining attention in the design of our cities to face the current context of rising temperatures. Although simulation is required to inform the early design stage of projects considering outdoor space and strategies to improve their th...
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Francisco Pérez-Arribas, Arturo Silva-Campillo and Héctor Rubén Díaz-Ojeda
This paper presents the design and the experimental results of a new type of developable added bulbous bow that has been designated as a dihedral bow. This type of bow is based on polyhedral bows that are used in small vessels, whose origin is traced to ...
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Erik Nilsson, Nikolaos-Georgios Vardaxis, Sylvain Ménard and Delphine Bard Hagberg
Ventilation ducts can have a negative effect on the sound reduction index between two rooms if they pass through the dividing structure without treatments. The overall sound reduction of a ventilation duct is dependent on several factors including the tr...
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Jiaqi Wu, Xiaodong Li, Shengzhi Zhou, Song Hu and Hao Chen
To meet the requirements of charging the mainstream rechargeable batteries, in this work, a dual-bridge resonant converter (DBRC) is operated as a battery charger. Thanks to the features of this topology, the required high efficiency can be achieved with...
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Victoria V. Svotina, Maria V. Cherkasova, Andrey I. Mogulkin, Andrey V. Melnikov and Oleg D. Peysakhovich
To develop elements of a system for contact-free transportation of objects in space has now become an urgent task for the contemporary space-related activities. The purpose of work that is presented hereinafter was to conduct ground tests of the ion sour...
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Gianluigi Bovesecchi, Sandra Corasaniti, Girolamo Costanza, Fabrizio Paolo Piferi and Maria Elisa Tata
Space vehicles may be propelled by solar sails exploiting the radiation pressure coming from the sun and applied on their surfaces. This work deals with the adoption of Nickel-Titanium Shape Memory Alloy (SMA) elements in the sail deployment mechanism ac...
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E. N. Sgourou, Y. Panayiotatos, R. V. Vovk, N. Kuganathan and A. Chroneos
Germanium is an important mainstream material for many nanoelectronic and sensor applications. The understanding of diffusion at an atomic level is important for fundamental and technological reasons. In the present review, we focus on the description of...
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Zahia Saghrouni, Dominique Baillis, Naim Naouar, Nawfal Blal and Abdelmajid Jemni
This study aims to study the thermal properties and the microstructure of composite materials based on mortar combined with Juncus maritimus fibers. Effective thermophysical properties of the composite materials containing Juncus maritimus fibers are exp...
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Ali Raza, Faizan Majeed, Anjum Munir and Oliver Hensel
The current research has been conducted to investigate the capacity of an indigenously developed thermal oil based continuous solar roaster (CSR) for groundnuts roasting. A 10 m2 standing Scheffler fixed focus concentrator is used to target the incoming ...
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Bohdan Kutnyi,?natoliy Pavlenko,Yuri Holik
Pág. 16 - 24
Design diagram of experimental setup for studying the mass exchange processes occurring during formation of gas hydrates was presented. A procedure of performing studies and the use of equipment for conducting experiments in a diffusion mode with the use...
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