Daniel Bielsa

Daniel Bielsa
CIC Energigune

Doctor of Engineering

About

18
Publications
649
Reads
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67
Citations
Introduction
Thermal energy solutions

Publications

Publications (18)
Article
The dynamic processes of coworking between thermocline thermal storage single (TES) tank and solar collector is studied for their application in solar concentrated power (CSP) plant. The TES tank uses packed-bed ore as heat storage material. Both experimental and numeric methods are conducted to build its theoretical model, which is used in the sim...
Article
High temperature thermochemical energy storage still requires a significant research effort. Most of the research has been carried out with materials at lab-scale, and proper material fabrication techniques need to be developed in order to make feasible the upscaling of the technology. Agglomeration, abrasion, or low volumetric energy density are s...
Article
Full-text available
One of the possible solutions for the transition of the actual energetic model is the use of thermal energy storage technologies. Among them, thermochemical energy storage based on redox reactions involving metal oxides is very promising due to its high energy density. This paper deals with the development of the kinetic study based on data extract...
Article
Thermal energy storage plays a significant role in concentrated solar power plants. Particularly, thermochemical energy storage has been proposed as a promising future candidate due to its high energy density. One of the most studied thermochemical reactions are metal oxides redox reactions. The simplicity of using air as both heat transfer fluid a...
Article
Single tank thermal energy storage systems based on the thermocline concept have attracted large interest in the last years at both, scientific and industrial levels, as cost-effective alternative to the commercially available and proven molten salt double tank storage system. Recently, many experimental and modeling results of these systems valida...
Article
Every day huge amount of energy is released to the atmosphere in form of waste heat. The search of a cleaner and more efficient society, not only at industrial level but also at domestic level, should avoid this type of emissions. Steelmaking is an example of an industrial sector with high optimization potential in energy management. In this line,...
Conference Paper
Full-text available
Mn2O3/Mn3O4 redox couple is of great interest for thermal energy storage (TES) in concentrated solar power (CSP) plants. The next generation of CSP technologies considers working at temperatures beyond the maximum working temperature affordable by the current TES systems. In the temperature range above 600°C, Mn2O3 thermochemical material presents...
Article
Solar thermal plants could boost the application of methane production from microalgae. In this paper, a unique combination of solar thermal plants and microalgae bioreactor is studied. Because the microalgae pyrolysis is temperature-sensitive, and the solar radiation is time-varying, a thermocline heat storage tank is applied to stabilize the syst...
Article
Small scale concentrated solar power plants (1–5 MWe) are a suitable alternative for regions with limited space for land occupation or applications requiring a low capital investment. A successful approach for these plants is the use of Linear Fresnel collectors together with organic Rankine cycles, mainly, due to their lower investment cost and fl...
Conference Paper
Every day huge amount of energy is released to the atmosphere in form of waste heat. The search of a cleaner and more efficient society, not only at industrial level but also at domestic level, should avoid this type of emissions. Steelmaking is an example of an industrial sector with high optimization potential in energy management. In this line,...
Article
Solar energy is potential in the future, but until now its commercial application is limited due to its high price. Distributed solar thermal-power plant provides electricity and heat simultaneously to the nearby users. It is competitive with traditional power plant due to its improved efficiency and low price. In this paper, a unique distributed s...
Article
Thermal energy storage using a reversible chemical reaction is a key parameter for increasing the storage capacity especially for medium and high temperature applications. The reversible hydration/dehydration reaction of calcium hydroxide Ca(OH)2 to calcium oxide CaO is among the most investigated system due to its reaction cyclability and interest...
Article
Thermal energy storage plays a significant role in concentrated solar power plants. Particularly, thermochemical energy storage has been proposed as a promising future candidate due to its high energy density. One of the most studied thermochemical reactions for this application are redox reactions using metallic oxides. The simplicity of using air...
Article
Heat-storage technologies are well suited to improve the energy efficiency of power plants and the recovery of process heat. A good option for high storage capacities, especially at high temperatures, is storing thermal energy by reversible thermochemical reactions. In particular, the Co3O4/CoO and Mn2O3/Mn3O4 redox-active couples are known to be v...
Conference Paper
Thermochemical reactions are considered as a promising approach to be applied for heat storage in next generation of concentrated solar power (CSP) plants where the expected working temperatures will be higher than the current ones. Redox reactions involving multivalent cations have been investigated for high temperature applications in temperature...
Conference Paper
The next generation of Concentrated Solar Power (CSP) technologies considers working at temperatures beyond the maximum working temperature affordable by the current thermal energy storage (TES) systems, where the thermochemical energy storage (TCS) technology is strongly considered as a potential candidate that might cover this gap. TCS technology...
Conference Paper
Packed bed systems have been proposed in the last years as a promising thermal energy storage alternative to reduce the levelized cost of electricity in concentrated solar power plants. However, although the interest of the scientific and industrial community in this thermal energy storage alternative is increasing, there is still a lack of a clear...
Conference Paper
The increasing concern related to the consequences of the human interference in the environment as the main result of the population growth has changed the policies of all the governments and gradually the conscience of the general public all around the world. This time is the time of the environmental concern, and each day our decisions play more...

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