Browsing by Subject "Computational model"
Now showing items 1-14 of 14
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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 ... -
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 ... -
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 ... -
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, ... -
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 ... -
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. ... -
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, D.; Cabello, R.; 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 ... -
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 ... -
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 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 power generation optimization by thermal design means
Aranguren Garacochea, Patricia; Astrain Ulibarrena, David (InTechOpen, 2016)
Capítulo de libro / Liburuen kapitulua
One of the biggest challenges of the twenty‐first century is to satisfy the demand for electrical energy in an environmentally speaking clean way. Thus, it is very important to search for new alternative energy sources ... -
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 ...
