Browsing by UPNA Author "Catalán Ros, Leyre"
Now showing items 1-20 of 21
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Computational study of geothermal thermoelectric generators with phase change heat exchangers
Catalán Ros, Leyre
; Araiz Vega, Miguel ; Aranguren Garacochea, Patricia ; Astrain Ulibarrena, David (Elsevier, 2020)
Artículo / Artikulua 
The use of thermoelectric generators with phase change heat exchangers has demonstrated to be an interesting and environmentally friendly alternative to enhanced geothermal systems (EGS) in shallow hot dry rock fields ... -
Corrosion behavior in volcanic soils: in search of candidate materials for thermoelectric devices
Berlanga Labari, Carlos ; Catalán Ros, Leyre ; Fernández Palacio, José; Pérez Artieda, Miren Gurutze ; Astrain Ulibarrena, David (MDPI, 2021)
Artículo / Artikulua
Thermoelectric generators have emerged as an excellent solution for the energy supply of volcanic monitoring stations due to their compactness and continuous power generation. Nevertheless, in order to become a completely ... -
Design and experimental development of thermoelectric generators for shallow geothermal anomalies of volcanic origin
Catalán Ros, Leyre (2020)
Tesis doctoral / Doktoretza tesia
En el contexto energético actual, caracterizado por un incesante aumento en el consumo de energía y una gran dependencia de los combustibles fósiles, resulta imprescindible apostar por sistemas eficientes y basados en ... -
Enhanced behaviour of a passive thermoelectric generator with phase change heat exchangers and radiative cooling
Astrain Ulibarrena, David ; Jaramillo-Fernández, Juliana; Araiz Vega, Miguel ; Francone, Achille; Catalán Ros, Leyre ; Jacobo-Martín, Alejandra; Alegría Cía, Patricia; Sotomayor-Torres, Clivia M. (Elsevier, 2023)
Artículo / Artikulua
Heat exchangers are essential to optimize the efficiency of Thermoelectric Generators (TEGs), and heat pipes without fans have proven to be an advantageous design as it maintains the characteristic robustness of ... -
Experimental development of a novel thermoelectric generator without moving parts to harness shallow hot dry rock fields
Alegría Cía, Patricia; Rodríguez García, Antonio ; Catalán Ros, Leyre ; Astrain Ulibarrena, David ; Araiz Vega, Miguel (2021)
Contribución a congreso / Biltzarrerako ekarpena
Nowadays, geothermal energy in shallow hot dry rocks is not exploited enough due to the high economic and environmental impact as well as the lack of scalability of the existing technologies. Here, thermoelectricity has a ... -
Experimental development of a novel thermoelectric generator without moving parts to harness shallow hot dry rock fields
Alegría Cía, Patricia; Catalán Ros, Leyre ; Araiz Vega, Miguel ; Rodríguez García, Antonio ; Astrain Ulibarrena, David (Elsevier, 2022)
Artículo / Artikulua
Nowadays, geothermal energy in shallow hot dry rock fields is not exploited enough due to the high economic and environmental impact as well as the lack of scalability of the existing technologies. Here, thermoelectricity ... -
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 ... -
Field test of a geothermal thermoelectric generator without moving parts on the Hot Dry Rock field of Timanfaya National Park
Catalán Ros, Leyre ; Alegría Cía, Patricia; Araiz Vega, Miguel ; Astrain Ulibarrena, David (Elsevier, 2023)
Artículo / Artikulua
Although in the last years thermoelectric generators have arisen as a solution to boost geothermal power generation, tests on field are still scarce. The vast majority of the available studies focus on computational ... -
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 ... -
Geothermal thermoelectric generator for Timanfaya National Park
Catalán Ros, Leyre ; Astrain Ulibarrena, David ; Aranguren Garacochea, Patricia ; Araiz Vega, Miguel (2019)
Contribución a congreso / Biltzarrerako ekarpena
Despite being one of the largest renewable sources, geothermal energy is not widely utilized for electricity generation. In the case of shallow Hot Dry Rock (HDR) fields, thermoelectric generators can entail a sustainable ... -
The importance of the assembly in thermoelectric generators
Araiz Vega, Miguel ; Catalán Ros, Leyre ; Herrero Mola, Óscar ; Pérez Artieda, Miren Gurutze ; Rodríguez García, Antonio (IntechOpen, 2018)
Capítulo de libro / Liburuen kapitulua
Generally, in the optimization of thermoelectric generators, only the heat exchangers or the thermoelectric modules themselves are taken into account. However, the assembly of the generator as a whole is of vital importance ... -
Improvements in the cooling capacity and the COP of a transcritical CO 2 refrigeration plant operating with a thermoelectric subcooling system
Astrain Ulibarrena, David ; Merino Vicente, Amaya ; Catalán Ros, Leyre ; Aranguren Garacochea, Patricia ; Araiz Vega, Miguel ; Sánchez, Daniel; Cabello, Ramón; Llopis, R. (Elsevier, 2019)
Artículo / Artikulua
Restrictive environmental regulations are driving the use of CO 2 as working fluid in commercial vapour compression plants due to its ultra-low global warming potential (GWP 100 = 1) and its natural condition. However, at ... -
Initiative to increment the number of women in STEM degrees: women, science and technology chair of the Public University of Navarre
Aranguren Garacochea, Patricia ; San Martín Biurrun, Idoia ; Catalán Ros, Leyre ; Martínez Ramírez, Alicia ; Jurío Munárriz, Aránzazu ; Díaz Lucas, Silvia ; Pérez Artieda, Miren Gurutze ; Gómez Fernández, Marisol ; Barrenechea Tartas, Edurne (IEEE, 2020)
Contribución a congreso / Biltzarrerako ekarpena
The Public University of Navarre joined with Navarre Government has created the Women, Science and Technology Chair. This chair arises due to the plummeting tendency of the percentage of women in STEM degrees with the aim ... -
New opportunities for electricity generation in shallow hot dry rock fields: a study of thermoelectric generators with different heat exchangers
Catalán Ros, Leyre ; Aranguren Garacochea, Patricia ; Araiz Vega, Miguel ; Pérez Artieda, Miren Gurutze ; Astrain Ulibarrena, David (Elsevier, 2019)
Artículo / Artikulua
Despite being one of the largest renewable sources, geothermal energy is not widely utilized for electricity generation. In order to leverage shallow hot dry rock (HDR) fields, the present paper proposes an alternative to ... -
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 autonomous volcanic monitoring stations: experimental investigation on thermoelectric generation from fumaroles
Catalán Ros, Leyre ; Araiz Vega, Miguel ; Padilla, Germán D.; Hernández, Pedro A.; Pérez, Nemesio M.; García de la Noceda, Celestino; Albert, José F.; Astrain Ulibarrena, David (MDPI, 2020)
Artículo / Artikulua
Fumaroles represent evidence of volcanic activity, emitting steam and volcanic gases at temperatures between 70 and 100 °C. Due to the well-known advantages of thermoelectricity, such as reliability, reduced maintenance ... -
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 ... -
Study of the degradation of heat exchanger materials in the acidic environment of Teide National Park
Catalán Ros, Leyre ; Pérez Artieda, Miren Gurutze ; Berlanga Labari, Carlos ; Garacochea Sáenz, Amaia; Rodríguez García, Antonio ; Domínguez, Vidal; Montañez, Ana Carolina; Padilla, Germán D.; Pérez, Nemesio M. (2019)
Contribución a congreso / Biltzarrerako ekarpena
Supplying power to volcanic monitoring stations constitutes a challenge due to both the access difficulties and the acidic environment associated with volcanoes. ELECTROVOLCAN project is developing thermoelectric generators ... -
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 ...
