Articles de revista
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Lifetime, cost and fuel efficiency in diesel projects for rural electrification in Venezuela
(2018-10-01)
Article
Accés restringit per política de l'editorialFrom 2000–2016, 600 million people in developing countries accessed electricity through fossil-fuel-based technologies, both in isolated and grid-connected schemes. Although an increase in the use of renewable energy sources ... -
Formative evaluation of sustainability in rural electrification programs from a management perspective: A case study from Venezuela
(2018)
Article
Accés restringit per política de l'editorialNowadays, around 1.2 billion people remain without access to electricity in rural areas of Africa, Asia and Latin America. In order to achieve universal access, a wide range of institutions must be involved in long-term ... -
Sustainability and design assessment of rural hybrid microgrids in Venezuela
(2018)
Article
Accés restringit per política de l'editorialNowadays, 1.2 billion people lack access to electricity, mainly in rural areas of developing countries. In particular, 22 million people do not have electricity in Latin America and many governments are developing rural ... -
Development of a patients-specific 3D-printed preoperative planning and training tool, with functionalized internal surfaces, for complex oncologic cases
(2019)
Article
Accés restringit per política de l'editorialThe use of physical 3D models has been used in the industry for a while, fulfilling the function of prototypes in the majority of cases where the designers, engineers and manufacturers optimize their designs before taking ... -
Current-induced ductility enhancement of a Magnesium alloy AZ31 in uniaxial micro-tension below 373 K
(Multidisciplinary Digital Publishing Institute (MDPI), 2018-12-31)
Article
Accés obertThe size effects in metal forming have been found to be crucial in micro-scale plastic deformation or micro-forming processes, which lead to attenuation of the material’s formability due to the increasing heterogeneity of ... -
Short-cut method to assess a gross available energy in a medium-load screw friction press
(Multidisciplinary Digital Publishing Institute (MDPI), 2018-03-10)
Article
Accés obertThe present study proposed a rapid method, based on a previous universal compression tests, to estimate the required load capacity to cold forge different specimen quantity in a screw press. Accordingly, experimental and ... -
On the cutting performance of segmented diamond blades when dry-cutting concrete
(Multidisciplinary Digital Publishing Institute (MDPI), 2018-02-09)
Article
Accés obertThe objective of the present study is to analyze and compare the cutting performance of segmented diamond blades when dry-cutting concrete. A cutting criteria is proposed to characterize the wear of the blades by measuring ... -
In Vitro Assessment of Bioactive Glass Coatings on Alumina/Zirconia Composite Implants for Potential Use in Prosthetic Applications
(2019-02-08)
Article
Accés obertAchieving the stable osteointegration of prosthetic implants is one of the great challenges of modern orthopedic surgery. The fixation of ceramic acetabular cups of hip joint prostheses is usually achieved using a metal ... -
Comparative evaluation of rural electrification project plans: A case study in Mexico
(2019-06-01)
Article
Accés restringit per política de l'editorialRural electrification project plans (REPP) aim to expand electricity access through adequate systems for communities without this service in developing countries. Many REPP have been developed, using different strategies ... -
A novel method to determine the discharge coefficient of constant section nozzles under compressible dynamic flow conditions
(2019-07)
Article
Accés restringit per política de l'editorialThe present paper introduces a novel transient experimental method employed to determine the discharge coefficient of constant section nozzles of small diameters of 1 to 3 mm and with a length/diameter ratio of around one. ... -
Physical model to predict the ball-burnishing forces
(2011-09-23)
Article
Accés restringit per política de l'editorialIn this paper, we have developed a physical model to predict the forces of the ball burnishing. The models have been constructed on the basis of the plasticity theory. During the model development we have figured out the ... -
Comparison of various approaches to design wind-PV rural electrification projects in remote areas of developing countries
(2018-01-01)
Article
Accés obertNowadays, around 1.1 billion people in rural and remote areas of developing countries remain without electricity. Stand-alone projects that combine the wind and photovoltaic generation technologies as well as microgrids ...
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