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Energy efficiency improvement of Li-ion battery packs via balancing techniques
(Mondragon Unibertsitatea. Goi Eskola Politeknikoa, 2015)
Due to worldwide energy consumption increase, different energy strategies are growing in order to reduce fossil fuel consumption, increase renewable energy impact and increase energy efficiency. Renewable energy impact in ...
Desarrollo de una metodología de cálculo para el diseño de una bomba de calor Stirling oscilante
(Mondragon Unibertsitatea. Goi Eskola Politeknikoa, 2015)
Estudios recientes muestran que las medidas de la UE y los esfuerzos relacionados con la industria deberían aumentarse para alcanzar el objetivo de ahorro de energía. Una de las medidas de ahorro de energía en el entorno ...
Modelado y análisis de sistemas de distribución en DC orientado a buques con propulsión eléctrica
(Mondragon Unibertsitatea. Goi Eskola Politeknikoa, 2017)
The benefits of using Power Electronics Based DC Distribution Systems in electrically propelled vessels are well known. However, some aspects must be deeply analyzed to guarantee a safe, robust and stable system by design. ...
Modelo energético para el desarrollo de un entorno social y económico sostenible. Bases para una transición energética sostenible en la comarca Debabarrena
(Mondragon Unibertsitatea. Goi Eskola Politeknikoa, 2020)
The current energetic model is completely out-of step due to several circumstances: some technologicals, others social-economicals, as well as environmental. As a result, it is crucial to design another (or others) model, ...
Remaining useful life estimations applied on the sizing and the prognosis of lithium ion battery energy storage systems
(Mondragon Unibertsitatea. Goi Eskola Politeknikoa, 2020)
The present thesis develops an accurate sizing tool for the most relevant lithium ion battery energy storage system applications considering the aging and the remaining useful life. The developed tool involves firstly, the ...
Inclusive experience design: una metodología de diseño de experiencias basada en las capacidades
(Mondragon Unibertsitatea. Goi Eskola Politeknikoa, 2015)
Technology and society are evolving towards a completely new paradigm of industrial production. In this new paradigm, products and services alone are not enough to keep being significant. Many companies like BMW, Philips, ...
Low speed wind tunnel design, setup. validation and testing of airfoils in turbulent inflow conditions
(Mondragon Unibertsitatea. Goi Eskola Politeknikoa, 2016)
The present work aims to design and setup a low speed wind tunnel (LSWT) to be constructed at Mondragon Unibertsitatea for aerodynamic performance analysis of airfoils at low Re number. With this purpose, flow field ...
Hierarchical microstructure design and cast processing route of a modified TNM gamma TiAl alloy
(Mondragon Unibertsitatea. Goi Eskola Politeknikoa, 2021)
Gamma titanium aluminides following the β-solidifying pathway, are intermetallic alloys that have the potential to replace heavier materials in high temperature structural applications, such as aerospace and aeronautics. ...
Pouch cell fabrication process optimisation through physico-chemical modelling and characterisation
(Mondragon Unibertsitatea. Goi Eskola Politeknikoa, 2020)
The world is facing an energy revolution, seeking more sustainable based energy solutions while the global energy demand is increasing. New trends in energy consumption and new applications have arisen in which energy ...
Experimental assessment of scale-effects on the aerodynamic characterization of a transitionally-operating airfoil working under clean flow conditionsExperimental assessment of scale-effects on the aerodynamic characterisation of a transitionally-operating airfoil working under clean flow conditions
(Elsevier, 2022)
Wind tunnel tests are carried out upon a NACA0021 airfoil subjected to transitional Reynolds numbers. Transitionally-operating airfoils show a high sensitivity to external conditions and pose relevant measurement issues ...
Partial Power Converters for DC-DC Applications
(Mondragon Unibertsitatea. Goi Eskola Politeknikoa, 2023)
This thesis studies partial power processing (PPP) based architectures for DC-DC applications. This type of solutions aim to reduce the power processed by the power converter. This way, the power losses and the volume of ...
Control of interlinking converters for hybrid AC/DC power systems
(Mondragon Unibertsitatea. Goi Eskola Politeknikoa, 2023)
Electrical power plays a very important role in today’s society, but the necessity to reduce the greenhouse gas emissions requires to shift the classical fossil fuel-based power generation towards a renewable based model. ...
Identificación de los aspectos clave de la economía circular para su inclusión en el diseño para el ciclo de vidaIdentification of key aspects of circular economy for inclusion in life cycle design
(AEIPRO, 2019)
La sostenibilidad de la sociedad va a requerir cambios en las personas, en las organizaciones y en las administraciones públicas. La economía circular se postula como un elemento tractor de ese cambio. Pero, ¿cómo abordar ...
Modular Battery Systems’ Accessible Energy Analysis
(2022)
One of the main concerns regarding traditional battery energy storage systems (BESS) is how to solve issues related to cell inhomogeneities. This problem commonly ends up reducing the accessible energy level, especially ...
Multiphysics modeling and experimental validation of heat and mass transfer for the vacuum induction melting process
(Elsevier, 2024)
Vacuum induction melting is crucial in casting nickel-based superalloy components, ensuring excellent properties for aero-engine applications. Precise melting temperatures are vital for achieving optimal metallurgical ...
Effect of liner thermal properties and liner pre-cooling on the thermal management of fast-filling of hydrogen tanks
(Elsevier, 2023)
In transportation applications, filling high pressurised hydrogen tanks within a few minutes implies a fast and large temperature increase that can compromise the structural integrity of the storage system and the safety ...
PEM motako erregai-pilen zenbakizko analisia eta balioztatze esperimentala
(Udako Euskal Unibertsitatea (UEU), 2023)
Gaur egungo aldaketa klimatikoa dela medio, energia elektrikoa lortzeko alternatiba berri ugari sortzen ari dira. Horien artean erregai-pilek abantaila suposatzen dute hainbat esparrutan. Ikerketa honetan gaur egun garapen ...
Design and characterization of a novel lightweight multicomponent alloy Al58Zn28Mg6Si8
(Elsevier, 2023)
This paper presents a novel multicomponent alloy Al58Zn28Mg6Si8, with a density of 3.46 g/cm3, which incorporates concepts from high entropy alloys. The optimum alloy composition was determined using the CALPHAD approach ...
Magnet eddy current loss calculation method for segmentation analysis on permanent magnet machines
(IEEE, 2011)
Eddy current losses generated in the rotor of permanent magnet machines may lead to an excessive magnet heating. This can cause the magnets to get fully demagnetized so it is very important to analyze the losses on them. ...
Impact and notched strength of multiaxially reinforced out of die UV cured pultruded profiles
(Wiley, 2024)
The present paper highlights the benefits of multiaxially reinforced profiles manufactured by out of die ultraviolet (UV) cured pultrusion. Thanks to the low pulling forces inherent to this technology, we could manufacture ...