Ricardo Chacartegui
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View article: Avoidable exergy performance analysis in the integration of an electrothermal energy system based on transcritical CO2 cycles
Avoidable exergy performance analysis in the integration of an electrothermal energy system based on transcritical CO2 cycles Open
View article: Carbonation tests in a kW-scale entrained flow reactor for thermochemical energy storage using the calcium looping-based system
Carbonation tests in a kW-scale entrained flow reactor for thermochemical energy storage using the calcium looping-based system Open
View article: Effect of n=2 externally-applied magnetic perturbations on fast-ion confinement in MAST-U
Effect of n=2 externally-applied magnetic perturbations on fast-ion confinement in MAST-U Open
Experiments with externally-applied magnetic perturbations (MPs) have been performed in MAST-U to study the effect on the fast-ion distribution. Scans performed of the current applied in the coils, the toroidal phase offset between the cur…
View article: Gasification of Agricultural Biomass Residues for Sustainable Development of Mediterranean Europe Regions: Modelling and Simulation in Aspen Plus
Gasification of Agricultural Biomass Residues for Sustainable Development of Mediterranean Europe Regions: Modelling and Simulation in Aspen Plus Open
The utilisation of agricultural residues for power generation is an opportunity to reduce fossil fuel usage and foster a sustainable circular economy in Mediterranean European regions. This can be achieved by resorting to the gasification …
View article: Analysis of fast-ion losses measured in MAST-U via infrared thermography and a Fast Ion Loss Detector
Analysis of fast-ion losses measured in MAST-U via infrared thermography and a Fast Ion Loss Detector Open
View article: Investigation of multi-ion heat and neoclassical transport using new edge main ion measurements at ASDEX Upgrade
Investigation of multi-ion heat and neoclassical transport using new edge main ion measurements at ASDEX Upgrade Open
This study provides new insights into multi-ion heat transport and the validation of neoclassical theory at the edge of H-mode plasmas. Utilizing a high-resolution main ion charge exchange recombination spectroscopy system, the first chara…
View article: Critical crystallisation issue in sodium acetate-based latent heat accumulation substance
Critical crystallisation issue in sodium acetate-based latent heat accumulation substance Open
The phenomenon of self-crystallisation is scarcely discussed in the context of phase-change materials. However, energy accumulation in supercooled substances can play a significant role and negatively impact long-term energy storage. This …
View article: Scenarios for energy recovery from slaughterhouse wastes in Europe
Scenarios for energy recovery from slaughterhouse wastes in Europe Open
This work evaluates the potential for slaughterhouse industry waste conversion into raw energy products in the European Union. On this objective, it develops a theoretical model of energy consumption and availability as a function of waste…
View article: Vision-based adaptive control system for fluidized bed reactors
Vision-based adaptive control system for fluidized bed reactors Open
View article: Surface processes optimisation in a novel CO2-based electrothermal energy and geological storage trigeneration system
Surface processes optimisation in a novel CO2-based electrothermal energy and geological storage trigeneration system Open
View article: Optimisation of metastable supercooled liquid phase change material for long-term heat energy accumulation
Optimisation of metastable supercooled liquid phase change material for long-term heat energy accumulation Open
This research study investigates sodium acetate trihydrate as a metastable supercooled liquid phase change material for long-term heat energy storage and is an efficient evaluation of various sodium acetate trihydrate-to-water ratios and h…
View article: CO2 sequestration potential in Depleted Hydrocarbon fields – A geochemical approach
CO2 sequestration potential in Depleted Hydrocarbon fields – A geochemical approach Open
Background The CO2 emissions reduction is crucial for the energy transition. New technologies for CO2 capture and storage are under development, such as CEEGS 1,2 . Porous media and rock caverns are geological formations of high interest f…
View article: Diagnóstico de sostenibilidad del rendimiento de centros educativos y desarrollo de herramientas para aumentar las competencias de la comunidad educativa.
Diagnóstico de sostenibilidad del rendimiento de centros educativos y desarrollo de herramientas para aumentar las competencias de la comunidad educativa. Open
El Proyecto ECF4CLIM co-diseña, prueba y valida un marco de competencias europeo para que la comunidad educativa impulse la transición hacia una economía sostenible y baja en carbono, involucrando a centros educativos de diferentes países …
View article: Diagnóstico de sostenibilidad del rendimiento de centros educativos y desarrollo de herramientas para aumentar las competencias de la comunidad educativa.
Diagnóstico de sostenibilidad del rendimiento de centros educativos y desarrollo de herramientas para aumentar las competencias de la comunidad educativa. Open
El Proyecto ECF4CLIM co-diseña, prueba y valida un marco de competencias europeo para que la comunidad educativa impulse la transición hacia una economía sostenible y baja en carbono, involucrando a centros educativos de diferentes países …
View article: CO2 sequestration potential in Depleted Hydrocarbon fields – A geochemical approach
CO2 sequestration potential in Depleted Hydrocarbon fields – A geochemical approach Open
Background The CO2 emissions reduction is crucial for the energy transition. Thus, new technologies for CO2 capture and storage are under development, such as CEEGS 1,2 . Porous media and rock caverns are geological formations of high int…
View article: Hybrid hydrogen-electricity production using spherical tokamaks: a cost-driver sensitivity study and techno-economic analysis
Hybrid hydrogen-electricity production using spherical tokamaks: a cost-driver sensitivity study and techno-economic analysis Open
Hybrid fusion power plants, which produce both hydrogen and electricity, are proposed as a way to decarbonise the fossil-fuel-dominated primary energy market and improve plant economics. The main cost drivers of a fusion power plant based …
View article: Performance Variability of Air-Water Heat Pumps in Cold and Warm Years Across European Climate Zones
Performance Variability of Air-Water Heat Pumps in Cold and Warm Years Across European Climate Zones Open
View article: Vision-Based Adaptive Control System for Fluidized Bed Reactors
Vision-Based Adaptive Control System for Fluidized Bed Reactors Open
View article: CO2 sequestration potential in Depleted Hydrocarbon fields – A geochemical approach
CO2 sequestration potential in Depleted Hydrocarbon fields – A geochemical approach Open
The reduction of CO2 emissions is crucial for the energy transition. New technologies for the CO2 capture and storage are under development to achieve this goal. CO2 based electrothermal energy and geological storage system (CEEGS) is a no…
View article: Unlocking synergistic benefits of the calcium looping-calcium hydroxide integration for energy storage: A perspective on sorbent performance
Unlocking synergistic benefits of the calcium looping-calcium hydroxide integration for energy storage: A perspective on sorbent performance Open
View article: Velocity-space analysis of fast-ion losses measured in MAST-U using a high-speed camera in the FILD detector
Velocity-space analysis of fast-ion losses measured in MAST-U using a high-speed camera in the FILD detector Open
A fast-ion loss detector (FILD) was installed for the first time at the mega amp spherical tokamak—upgrade (MAST-U) spherical tokamak during its upgrade in 2021. A new CMOS camera was installed in the MAST-U FILD acquisition system to prov…
View article: Influence of the Wind Generator and Thermal Electrical Modules in the Solar Still in the Continuous Production of Fresh Water
Influence of the Wind Generator and Thermal Electrical Modules in the Solar Still in the Continuous Production of Fresh Water Open
View article: Optimising anode supported BaZr1-xYxO3-δ electrolytes for solid oxide fuel cells: Microstructure, phase evolution and residual stresses analysis
Optimising anode supported BaZr1-xYxO3-δ electrolytes for solid oxide fuel cells: Microstructure, phase evolution and residual stresses analysis Open
View article: Unlocking Synergistic Benefits of the Calcium Looping-Calcium Hydroxide Integration for Energy Storage: A Perspective on Sorbent Performance
Unlocking Synergistic Benefits of the Calcium Looping-Calcium Hydroxide Integration for Energy Storage: A Perspective on Sorbent Performance Open
View article: A flexible methanol-to-methane thermochemical energy storage system (TCES) for gas turbine (GT) power production
A flexible methanol-to-methane thermochemical energy storage system (TCES) for gas turbine (GT) power production Open
This study introduces an innovative solution to address the challenges arising from the volatile natural gas market and the growing integration of renewable energy sources within the industrial sector. The research strives to confront this…
View article: Negative emissions power plant based on flexible calcium-looping process integrated with renewables and methane production
Negative emissions power plant based on flexible calcium-looping process integrated with renewables and methane production Open
View article: Touch‐free reactive flash sintering of dense strontium hexaferrite permanent magnet
Touch‐free reactive flash sintering of dense strontium hexaferrite permanent magnet Open
This work presents an extension of the touch‐free flash sintering technique. In the proposed technique, chemical reaction and sintering occur in a single step, without the use of electrodes, in the presence of electric and magnetic fields.…
View article: Integration of calcium looping and calcium hydroxide thermochemical systems for energy storage and power production in concentrating solar power plants
Integration of calcium looping and calcium hydroxide thermochemical systems for energy storage and power production in concentrating solar power plants Open
View article: Conceptualizing novel CH3OH-based thermochemical energy storage routes via a modeling approach
Conceptualizing novel CH3OH-based thermochemical energy storage routes via a modeling approach Open
Thermal energy storage systems are an emerging option for efficient energy conversion and storage, especially if they can concentrate solar energy. This work studies a flexible CH3OH-to-CH4 conversion system from intermediate conversion to…
View article: Partial oxycombustion-calcium looping hybridisation for CO2 capture in waste-to-energy power plants
Partial oxycombustion-calcium looping hybridisation for CO2 capture in waste-to-energy power plants Open