Examinar INVESTIGACIÓN por departamento (cas.) "Ingeniería nuclear y mecánica de fluidos"
Now showing items 61-80 of 89
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Optical Tip Clearance Measurements as a Tool for Rotating Disk Characterization
(MDPI, 2017-01)An experimental investigation on the vibrational behavior of a rotating disk by means of three optical fiber sensors is presented. The disk, which is a scale model of the real disk of an aircraft engine, was assembled in ... -
Oscillating U-Shaped Body for Underwater Piezoelectric Energy Harvester Power Optimization
(MDPI, 2019-10-30)Vibration energy harvesting (VeH) techniques by means of intentionally designed mechanisms have been used in the last decade for frequency bandwidth improvement under excitation for adequately high-vibration amplitudes. ... -
Parametric Study of the Device Angle Dependency of a Single Vortex Generator on a Flat Plate
(2014-01-23)[EN] A detailed study of the device angle dependency of a single vortex generator (VG) is presented in this paper. A single Vortex Generator on a test section wall case, with four different positions of the device angle ... -
Performance Assessment of Three Turbulence Models Validated through an Experimental Wave Flume under Different Scenarios of Wave Generation
(MDPI, 2020-11-05)first_page settings Open AccessArticle Performance Assessment of Three Turbulence Models Validated through an Experimental Wave Flume under Different Scenarios of Wave Generation by Lander Galera-Calero 1 [OrcID] , ... -
Piezoelectric Energy Harvesting Controlled with an IGBT H-Bridge and Bidirectional Buck–Boost for Low-Cost 4G Devices
(MDPI, 2020-12-09)In this work, a semi-submersible piezoelectric energy harvester was used to provide power to a low-cost 4G Arduino shield. Initially, unsteady Reynolds averaged Navier–Stokes (URANS)-based simulations were conducted to ... -
Pitch Angle Misalignment Correction Based on Benchmarking and Laser Scanner Measurement in Wind Farms
(MDPI, 2018-12-01)In addition to human error, manufacturing tolerances for blades and hubs cause pitch angle misalignment in wind turbines. As a consequence, a significant number of turbines used by existing wind farms experience power ... -
Power Control Optimization of an Underwater Piezoelectric Energy Harvester
(MDPI, 2018-03)Over the past few years, it has been established that vibration energy harvesters with intentionally designed components can be used for frequency bandwidth enhancement under excitation for sufficiently high vibration ... -
Predictive Dynamic Window Approach Development with Artificial Neural Fuzzy Inference Improvement
(MDPI, 2019-08-26)The aim of this paper is to improve the dynamic window approach algorithm for mobile robots by implementing a prediction window with a fuzzy inference system to adapt to fixed parameters, depending on the surrounding ... -
Problem-Based Learning in University Studies on Renewable Energies: Case of a Laboratory Windpump
(MDPI, 2020-03-23)In the last eight years, the new faculty of Engineering in Renewable Energies at the University of the Basque Country in Eibar has developed several sustainability goals related to clean energy and climate change, but also ... -
Radiological characterisation in view of nuclear reactor decommissioning: On-site benchmarking exercise of a biological shield
(Elsevier Ltd., 2021-04-28)[EN] Nearly all decommissioning and dismantling (D&D) projects are steered by the characterisation of the plant being dismantled. This radiological characterisation is a complex process that is updated and modified during ... -
Recommendations for the selection of in situ measurement techniques for radiological characterization in nuclear/radiological installations under decommissioning and dismantling processes
(Elsevier Ltd., 2021-04-30)[EN] In this paper, in-situ radiological characterisation by means of non-destructive techniques is studied and analysed in the context of the different constrained environments (identified as radioactivity, materials, ... -
Review of Systems Engineering (SE) Methods and Their Application to Wave Energy Technology Development
(MDPI, 2020-10-20)The design of effective and economically viable wave energy devices involves complex decision-making about the product based on conceptual design information, including stakeholder requirements, functions, components and ... -
Robotic-Arm-Based Force Control by Deep Deterministic Policy Gradient in Neurosurgical Practice
(MDPI, 2023-09-30)This research continues the previous work “Robotic-Arm-Based Force Control in Neurosurgical Practice”. In that study, authors acquired an optimal control arm speed shape for neurological surgery which minimized ... -
Seasonal Correction of Offshore Wind Energy Potential due to Air Density: Case of the Iberian Peninsula
(MDPI, 2019-07-02)A constant value of air density based on its annual average value at a given location is commonly used for the computation of the annual energy production in wind industry. Thus, the correction required in the estimation ... -
Self-Similarity and helical symmetry in vortex generator flow simulations
(IOP Publishing, 2014)According to experimental observations, the vortices generated by vortex generators have previously been observed to be self-similar for both the axial (u(z)) and azimuthal (u(circle minus)) velocity profiles. Further, the ... -
Semantic Segmentation to Develop an Indoor Navigation System for an Autonomous Mobile Robot
(MDPI, 2020-05-25)In this study, a semantic segmentation network is presented to develop an indoor navigation system for a mobile robot. Semantic segmentation can be applied by adopting different techniques, such as a convolutional neural ... -
Snapshots location for reduced order models: an approach based on proper orthogonal decomposition and mesh adaptivity techniques.
(2019-06-28)La solución numérica de flujos de fluidos requiere un coste computacional relativamente grande y hay casos en los que el coste puede llegar a ser inasumible. En muchos de estos casos la mejor opción es utilizar ¿Métodos ... -
Teknika adimentsuetan oinarritutako aerosorgailuen kontrol sistemen diseinua.
(2020-06-22)Tesi honetan ardatz horizontaleko aerosorgailuen operazioa hobetzeko teknika adimentsu eta noinarritutako kontrol sistema aurreratuen diseinu eta simulazio bidezko balioztatzea proposatzen da.Nahiz eta gaur egungo aerosorgailu ... -
Testing the Accuracy of the Cell-Set Model Applied on Vane-Type Sub-Boundary Layer Vortex Generators
(MDPI, 2021-03-11)Vortex Generators (VGs) are applied before the expected region of separation of the boundary layer in order to delay or remove the flow separation. Although their height is usually similar to that of the boundary layer, ... -
The Consequences of Air Density Variations over Northeastern Scotland for Offshore Wind Energy Potential
(MDPI, 2019-07-09)Hywind-Scotland is a wind farm in Scotland that for many reasons is at the leading edge of technology and is located at a paradigmatic study area for offshore wind energy assessment. The objective of this paper is to compute ...