Browsing by UPNA Author "Casi Satrústegui, Álvaro"
Now showing items 1-14 of 14
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Computer simulations of silicide-tetrahedrite thermoelectric generators
Coelho, Rodrigo; Casi Satrústegui, Álvaro
; Araiz Vega, Miguel ; Astrain Ulibarrena, David ; Branco Lopes, Elsa; Brito, Francisco P.; Gonçalves, Antonio P. (MDPI, 2022)
Artículo / Artikulua 
With global warming and rising energy demands, it is important now than ever to transit to renewable energy systems. Thermoelectric (TE) devices can present a feasible alternative to generate clean energy from waste heat. ... -
Experimental enhancement of a CO2 transcritical refrigerating plant including thermoelectric subcooling
Sánchez, Daniel; Aranguren Garacochea, Patricia ; Casi Satrústegui, Álvaro ; Llopis, R.; Cabello, Ramón; Astrain Ulibarrena, David (Elsevier, 2020)
Artículo / Artikulua
CO2 is an excellent natural refrigerant that can be used in almost any commercial cooling application thanks to its useful range of evaporative temperatures and excellent environmental properties. However, due to its low ... -
Experimental evaluation of a transcritical CO2 refrigeration facility working with an internal heat exchanger and a thermoelectric subcooler: performance assessment and comparative
Casi Satrústegui, Álvaro ; Aranguren Garacochea, Patricia ; Araiz Vega, Miguel ; Sánchez, Daniel; Cabello, Ramón; Astrain Ulibarrena, David (Elsevier, 2022)
Artículo / Artikulua
The use of carbon dioxide in transcritical state has become one of the most used solutions to comply with the F-Gas directive and reduce greenhouse gases emissions from refrigeration systems at high ambient temperatures. ... -
Experimental evidence of the viability of thermoelectric generators to power volcanic monitoring stations
Catalán Ros, Leyre ; Garacochea Sáenz, Amaia; Casi Satrústegui, Álvaro ; Araiz Vega, Miguel ; Aranguren Garacochea, Patricia ; Astrain Ulibarrena, David (MDPI, 2020)
Artículo / Artikulua
Although there is an important lack of commercial thermoelectric applications mainly due to their low efficiency, there exist some cases in which thermoelectric generators are the best option thanks to their well-known ... -
Experimental validation and development of an advanced computational model of a transcritical carbon dioxide vapour compression cycle with a thermoelectric subcooling system
Casi Satrústegui, Álvaro ; Aranguren Garacochea, Patricia ; Sánchez, Daniel; Araiz Vega, Miguel ; Cabello, Ramón; Astrain Ulibarrena, David (Elsevier, 2022)
Artículo / Artikulua
The inclusion of a thermoelectric subcooler as an alternative to increment the performance of a vapour compression cycle has been proved promising when properly designed and operated for low-medium power units. In this ... -
Gamification and a low-cost laboratory equipment aimed to boost vapor compresion refrigeration learning
Aranguren Garacochea, Patricia ; Sánchez García-Vacas, Daniel; Casi Satrústegui, Álvaro ; Araiz Vega, Miguel ; Catalán Ros, Leyre (OmniaScience, 2022)
Artículo / Artikulua
The nowadays European educational framework boosts applying the learned theoretical concepts to real situations. Hence, practice sessions are key resources to present students direct applications of the theoretical concepts ... -
Impact of a thermoelectric subcooler heat exchanger on a carbon dioxide transcritical refrigeration facility
Casi Satrústegui, Álvaro ; Aranguren Garacochea, Patricia ; Araiz Vega, Miguel ; Alegría Cía, Patricia; Astrain Ulibarrena, David (Elsevier, 2022)
Artículo / Artikulua
To improve the performance of vapour compression refrigeration cycles, the inclusion of a thermoelectric subcooler for low-medium power units has been the focus of recent studies due to its robustness, compactness and ... -
Improvements on the effiency of an autonomous commercial refrigeration system that uses low GWP fluids by the development of a thermoelectric subcooling system
Casi Satrústegui, Álvaro (2022)
Tesis doctoral / Doktoretza tesia
La producción de frío de manera artificial es considerada una de las contribuciones más relevantes de la historia, jugando un papel clave en el desarrollo de la sociedad humana, gracias a su contribución en la conservación ... -
Performance assessment of an experimental CO2 transcritical refrigeration plant working with a thermoelectric subcooler in combination with an internal heat exchanger
Casi Satrústegui, Álvaro ; Aranguren Garacochea, Patricia ; Araiz Vega, Miguel ; Sánchez, Daniel; Cabello, Ramón; Astrain Ulibarrena, David (Elsevier, 2022)
Artículo / Artikulua
Regulations in the refrigeration sector are forcing the transition to low global warming potential fluids such as carbon dioxide in order to decrease direct greenhouse gases emissions. Several technologies have arisen over ... -
The promising combination of thermoelectric generators with IoT technologies for autonomous monitoring systems
Garacochea Sáenz, Amaia; Catalán Ros, Leyre ; Casi Satrústegui, Álvaro ; Gubía Villabona, Eugenio ; Astrain Ulibarrena, David (2019)
Contribución a congreso / Biltzarrerako ekarpena
Monitoring stations becomes essential in any volcanic system in the world but, because of their remote location, both the electricity supply and the communications represent a technological challenge. The present work ... -
Prospects of waste-heat recovery from a real industry using thermoelectric generators: economic and power output analysis
Araiz Vega, Miguel ; Casi Satrústegui, Álvaro ; Catalán Ros, Leyre ; Martínez Echeverri, Álvaro ; Astrain Ulibarrena, David (Elsevier, 2020)
Artículo / Artikulua
One of the options to reduce industrial energy costs and the environmental impact is to recover the waste-heat produce in some processes. This paper proposes the use of thermoelectric generators at a stone wool manufacturing ... -
Thermoelectric generator for high temperature geothermal anomalies: experimental development and field operation
Alegría Cía, Patricia; Catalán Ros, Leyre ; Araiz Vega, Miguel ; Casi Satrústegui, Álvaro ; Astrain Ulibarrena, David (Elsevier, 2023)
Artículo / Artikulua
In the current climate and energy context, it is important to develop technologies that permit increase the use of renewable sources such as geothermal energy. Enhancing the use of this renewable source is particularly ... -
Thermoelectric generator with passive biphasic thermosyphon heat exchanger for waste heat recovery: design and experimentation
Araiz Vega, Miguel ; Casi Satrústegui, Álvaro ; Catalán Ros, Leyre ; Aranguren Garacochea, Patricia ; Astrain Ulibarrena, David (MDPI, 2021)
Artículo / Artikulua
One of the measures to fight against the current energy situation and reduce the energy consumption at an industrial process is to recover waste heat and transform it into electric power. Thermoelectric generators can be ... -
Thermoelectric heat recovery in a real industry: from laboratory optimization to reality
Casi Satrústegui, Álvaro ; Araiz Vega, Miguel ; Catalán Ros, Leyre ; Astrain Ulibarrena, David (Elsevier, 2021)
Artículo / Artikulua
Thermoelectricity, in the form of thermoelectric generators, holds a great potential in waste heat recovery, this potential has been studied and proved in several laboratory and theoretical works. By the means of a ...
