Listar por autor UPNA "Astrain Ulibarrena, David"
Mostrando ítems 1-18 de 18
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Auxiliary consumption: a necessary energy that affects thermoelectric generation
Aranguren Garacochea, Patricia
; Araiz Vega, Miguel ; Astrain Ulibarrena, David (Elsevier, 2018)
Artículo / Artikulua
Waste heat recovery can apply to a wide range of applications, from transportation, or industries to domestic appliances. Thermoelectric generation technology applied to those cases could produce electrical energy and thus ... -
Computational and experimental study of a complete heat dissipation system using water as heat carrier placed on a thermoelectric generator
Aranguren Garacochea, Patricia; Astrain Ulibarrena, David ; Pérez Artieda, Miren Gurutze (Elsevier, 2014)
Artículo / Artikulua 
The heat dissipation systems which have liquids as heat carriers outperform conventional dissipation systems at thermoelectric generators (TEGs). However, new elements need to be introduced such as pumps, secondary heat ... -
Computational study on the thermal influence of the components of a thermoelectric ice maker on the ice production
Rodríguez García, Antonio; Astrain Ulibarrena, David ; Martínez Echeverri, Álvaro ; González Vian, José (Springer USTMSIEEE, 2012)
Artículo / Artikulua
The main objective of this paper is to study the thermal resistances of two components of a thermoelectric ice maker installed in a no-frost refrigerator, in order to optimize the ice production. This study is conducted ... -
Development and experimental validation of a computational model in order to simulate ice cube production in a thermoelectric ice maker
Rodríguez García, Antonio; González Vian, José ; Astrain Ulibarrena, David (Elsevier, 2009)
Artículo / Artikulua
We have developed a computational model which allows the simulation of a thermoelectric device to make ice cubes in a vapor compression domestic fridge. This model solves both the thermoelectric and heat transfer equations, ... -
Development and experimental validation of a thermoelectric test bench for laboratory lessons
Rodríguez García, Antonio; Astrain Ulibarrena, David ; Martínez Echeverri, Álvaro ; Aranguren Garacochea, Patricia ; Pérez Artieda, Miren Gurutze (OmniaScience, 2013)
Artículo / Artikulua
The refrigeration process reduces the temperature of a space or a given volume while the power generation process employs a source of thermal energy to generate electrical power. Because of the importance of these two ... -
Estudio y optimización de los sistemas de intercambio de calor en generación termoeléctrica aplicada al aprovechamiento del calor residual
Aranguren Garacochea, Patricia (2015)
Tesis doctoral / Doktoretza tesia
La presente tesis doctoral estudia el aprovechamiento del calor residual mediante generación termoeléctrica para la obtención de potencia eléctrica generada gracias al efecto Seebeck. Dos son las aproximaciones empleadas, ... -
Experimental and computational study on thermoelectric generators using thermosyphons with phase change as heat exchangers
Araiz Vega, Miguel; Martínez Echeverri, Álvaro ; Astrain Ulibarrena, David ; Aranguren Garacochea, Patricia (Elsevier, 2017)
Artículo / Artikulua
An important issue in thermoelectric generators is the thermal design of the heat exchangers since it can improve their performance by increasing the heat absorbed or dissipated by the thermoelectric modules. Due to its ... -
Experimental investigation of the applicability of a thermoelectric generator to recover waste heat from a combustion chamber
Aranguren Garacochea, Patricia; Astrain Ulibarrena, David ; Rodríguez García, Antonio ; Martínez Echeverri, Álvaro (Elsevier, 2015)
Artículo / Artikulua
A thermoelectric generator prototype has been built; it produces 21.56 W of net power, the produced thermoelectric power minus the consumption of the auxiliary equipment, using an area of 0.25 m2 (approximately 100 W/m2). ... -
Experimental study and optimization of thermoelectric-driven autonomous sensors for the chimney of a biomass power plant
Rodríguez García, Antonio; Astrain Ulibarrena, David ; Martínez Echeverri, Álvaro ; Aranguren Garacochea, Patricia (2014)
Artículo / Artikulua
In the work discussed in this paper a thermoelectric generator was developed to harness waste heat from the exhaust gas of a boiler in a biomass power plant and thus generate electric power to operate a flowmeter installed ... -
Improvement of a thermoelectric and vapour compression hybrid refrigerator
Astrain Ulibarrena, David; Martínez Echeverri, Álvaro ; Rodríguez García, Antonio (Elsevier, 2012)
Artículo / Artikulua
This paper presents the improvement in the performance of a domestic hybrid refrigerator that combines vapour compression technology for the cooler and freezer compartments, and thermoelectric technology for a new compartment. ... -
Net thermoelectric power generation improvement through heat transfer optimization
Aranguren Garacochea, Patricia; Astrain Ulibarrena, David ; Rodríguez García, Antonio ; Martínez Echeverri, Álvaro (Elsevier, 2017)
Artículo / Artikulua
Thermoelectric generation contributes to obtain a more sustainable energetic system giving its potential to harvest waste heat and convert it into electric power. In the present study a computational optimal net generation ... -
Object-oriented modeling for the transient performance simulation of solar thermal power plants using parabolic trough collectors: a review and proposal of modeling approaches for thermal energy storage
(2014) Tesis doctoral / Doktoretza tesia
La intención de este trabajo es extender las técnicas actuales de modelización del almacenamiento térmico activo directo y activo indirecto, con dos tanques y sales fundidas como medio de almacenamiento. Con el objetivo ... -
Study of a complete thermoelectric generator behavior including water-to-ambient heat dissipation on the cold side
Aranguren Garacochea, Patricia; Astrain Ulibarrena, David ; Martínez Echeverri, Álvaro (Springer USTMSIEEE, 2014)
Artículo / Artikulua
The reduction of the thermal resistances of the heat exchangers of a thermoelectric generation system (TEG), leads to a significant increase in the TEG efficiency. For the cold side of a thermoelectric module (TEM), a wide ... -
Study of thermoelectric systems applied to electric power generation
Rodríguez García, Antonio; González Vian, José ; Astrain Ulibarrena, David ; Martínez Echeverri, Álvaro (Elsevier, 2009)
Artículo / Artikulua
A computational model has been developed in order to simulate the thermal and electric behaviour of the thermoelectric generators. This model solves the non linear system of equations of the thermoelectric and heat transfer ... -
Thermoelectric generators for waste heat harvesting: a computational and experimental approach
Aranguren Garacochea, Patricia; Araiz Vega, Miguel ; Astrain Ulibarrena, David ; Martínez Echeverri, Álvaro (Elsevier, 2017)
Artículo / Artikulua
Waste heat generation has a widespread presence into daily applications, however, due to the low-temperature grade which presents, its exploitation with the most common technologies is complicated. Thermoelectricity ... -
Thermoelectric self-cooling for power electronics: increasing the cooling power
Martínez Echeverri, Álvaro; Astrain Ulibarrena, David ; Aranguren Garacochea, Patricia (Elsevier, 2016)
Artículo / Artikulua
Thermoelectric self-cooling was firstly conceived to increase, without electricity consumption, the cooling power of passive cooling systems. This paper studies the combination of heat pipe exchangers and thermoelectric ... -
Thermoelectric-driven autonomous sensors for a biomass power plant
Rodríguez García, Antonio; Astrain Ulibarrena, David ; Martínez Echeverri, Álvaro ; Gubía Villabona, Eugenio ; Sorbet Presentación, Francisco Javier (Springer USTMSIEEE, 2013)
Artículo / Artikulua
This work presents the design and development of a thermoelectric generator intended to harness waste heat in a biomass power plant, and generate electric power to operate sensors and the required electronics for wireless ... -
Zero-power-consumption thermoelectric system to prevent overheating in solar collectors
Martínez Echeverri, Álvaro; Astrain Ulibarrena, David ; Rodríguez García, Antonio (Elsevier, 2014)
Artículo / Artikulua
Highly promoted by the European Union Climate and Energy Package for 2020, solar collectors stand out as the most promising alternative to meet water heating demands. One of the most limiting problems in these systems ...
