Listar Comunicaciones y ponencias de congresos DIEC - IEKS Biltzarretako komunikazioak eta txostenak por fecha de publicación
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Temperature indicators and overtemperature detection in lithium-ion batteries based on electrochemical impedance spectroscopy
Lithium-ion batteries are the leading technology for energy storage systems due to their attractive advantages. However, the safety of lithium-ion batteries is a major concern, as their operating conditions are limited in ... -
Onset of irreversible reactions in overcharging lithium-ion cells: an experimental and modeling approach
Lithium-ion batteries are energy storage systems used in an increasing number of applications. Due to their flammable materials, their use entails risks of fire and explosion. The study of the abuse operation of these ... -
Building global competencies: a strategic approach to internationalization of engineering education
(Eindhoven University of Technology and Fontys University of Applied Sciences, 2023) Contribución a congreso / Biltzarrerako ekarpenaInternational mobility is an essential aspect of undergraduate education that enables students to acquire the necessary competences required by the European Higher Education Area (EHEA). However, small universities such ... -
A technology review and field testing of a soil water quality monitoring system
(Springer, 2023) Contribución a congreso / Biltzarrerako ekarpenaSoil water quality is one of the most influential factors in ensuring the productivity of agricultural farms. Soil water quality and soil quality are hugely dependent on each other. Hence, it is essential to have a clear ... -
Asymmetrical firing angle modulation for 12-pulse thyristor rectifiers supplying high-power electrolyzers
This paper presents an asymmetrical firing angle modulation strategy for 12-pulse thyristor rectifiers aimed at supplying high-power electrolyzers, which allows to reduce the size of the passive filter and the static ... -
Integrated platform for microfluidics based cell culture applications
The ongoing developments in the field of microfluidics-based cell culture have led to a significant interest in systems for their visualization and control. The existing cell culture systems are limiting due to cost, ... -
A novel ku-band circularly-polarized horn antenna based on a ridged wall
In this paper, a novel wideband (31.5 % bandwidth) circularly-polarized antenna based on a ridged wall is presented. A pair of ridges on the inner wall of the horn serves as an inbuilt polarizer, which can generate left-hand ... -
Suppressing open stopband for terahertz periodic microstrip leaky-wave antennas
This paper reports on a periodic microstrip Leaky-wave antenna (LWA). The open stopband issue is suppressed by altering the unit cell using a matching stub. The developed LWA is based on a grounded InP-substrate of 50 ... -
Multi-sensing platform design with a grating-based nanostructure on a coverslip substrate
(Springer, 2023) Contribución a congreso / Biltzarrerako ekarpenaTwo different thin film designs with a grating pattern are simulated on a soda lime coverslip, which acts as optical waveguide, with the purpose of generating both a lossy mode resonance (LMR) in transmission and reflection ... -
One-year analysis of road condition using FBG arrays
In this work, it is presented an analysis of FBG arrays installed in a public road. The arrays were installed in a newly paved urban road and were monitored for more than one year. The study evidences the permanent deformation ... -
Fiber optic mirror fabrication using general-purpose metallic pigments
In this work, the potential of using general-purpose paints to fabricate highly reflective, low-cost optical mirrors is evaluated. The study shows that high-reflectivity mirrors can be created in standard single-mode fiber ... -
Women, Science and Technology Chair—Promoting women’s careers in stem fields
The Chair of Women, Science and Technology of the Universidad Pública de Navarra (UPNA) aims to increase the participation of women in the fields of science and technology. Scientific culture and dissemination are the main ... -
Multicore fiber sensors for strain measurement towards traffic monitoring
In this work, two new interferometric sensors based on multicore optical fibers for the measurement of strain with the ultimate goal of traffic monitoring are presented. The operating principle of each sensor relied on ... -
Erbium-doped fiber ring cavity for the measurement of refractive index variations
In this work, an erbium-doped fiber ring cavity based on a 3dB optical coupler for refractive index measurements is presented and experimentally verified. This interrogation system, based on a 1 x 2 optical coupler, uses ... -
A new ABS conductive material to develop fully 3D-printed patch antennas
Additive manufacturing technology is rapidly overcoming some of its initial limitations and, thus, creating a very useful engineering option for prototyping complex geometries for a wide range of electronic devices. Based ... -
Measurement of paracetamol concentration using a fiber laser system
A linear fiber laser system for measurements of paracetamol concentration is experimentally demonstrated. The cavity is based on a fiber loop mirror and an FBG centered at 1567.8 nm. The sensing head corresponds to a ... -
Aluminum coated fiber optic sensor for enhancing flow rate measurement
A water flow and velocity aluminum-coated Fiber Bragg Grating sensor system for open channels was designed, simulated and tested. The sensing head was designed, ruggedized and customized to measure velocities at ... -
Integración de múltiples stubs en filtros de saltos de impedancias de alta selectividad
Rectangular waveguide commensurate-line stepped-impedance bandpass filters have been shown to have an increased fabrication robustness using conventional CNC milling. In this paper, their frequency response is improved by ... -
Diseño robusto de filtros paso-banda de banda W en tecnología Gap Waveguide impresos en 3D
A 3D-printed bandpass filter for the W-band is proposed in this work. The use of the higher-order TE10n modes in groove gap waveguide (GGW) technology is analyzed and shown to ease the manufacturing requirements. The design ... -
Ordered titanium dioxide nanotubes for lossy-mode resonance-based humidity sensing
Ordered titanium dioxide nanotubes on indium tin oxide as a structure supporting lossy-mode resonance is reported. Capability for application of the structure for optical humidity sensing is shown as an application example.