Santiago Torras
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View article: Vapor compression system data-driven surrogate models for aircraft Environmental Control Systems
Vapor compression system data-driven surrogate models for aircraft Environmental Control Systems Open
View article: Optimizing Structured Thermocline Performance Using a 3d+1d Advanced Model
Optimizing Structured Thermocline Performance Using a 3d+1d Advanced Model Open
View article: Numerical Study of Encapsulated Phase Change Material Integration in Structured Thermal Energy Storage Systems for Concentrated Solar Power
Numerical Study of Encapsulated Phase Change Material Integration in Structured Thermal Energy Storage Systems for Concentrated Solar Power Open
View article: Numerical Study of Encapsulated Phase Change Material Integration in Structured Thermal Energy Storage Systems for Concentrated Solar Power
Numerical Study of Encapsulated Phase Change Material Integration in Structured Thermal Energy Storage Systems for Concentrated Solar Power Open
View article: Parametric study for a structured thermal energy storage system for concentrated solar power plants
Parametric study for a structured thermal energy storage system for concentrated solar power plants Open
The objective of this paper is to study and optimise thermal energy storage systems of structured thermocline type. The system consists of a solid filler material made from waste ceramic products and a set of channels through which the hea…
View article: Numerical investigation of phase change material integration in structured thermocline systems for concentrated solar power
Numerical investigation of phase change material integration in structured thermocline systems for concentrated solar power Open
The integration of encapsulated PCM in a structured thermal energy storage system is studied. The fluid and filler material are discretized using a one-dimensional approach, while the PCM is discretized two-dimensionally. The accumulated e…
View article: A multivariable control strategy based on fuzzy logic interference rule for a solar-driven, direct air-cooled H<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si3.svg" display="inline" id="d1e1302"><mml:msub><mml:mrow/><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:math>O-LiBr absorption chiller
A multivariable control strategy based on fuzzy logic interference rule for a solar-driven, direct air-cooled HO-LiBr absorption chiller Open
The operation of a solar-driven H2O-LiBr Absorption Chiller (AbC) is subjected to various limitations regarding its ability to satisfy efficiently the required cooling demand while avoiding certain internal conditions, such as H2O-LiBr sol…
View article: Dynamic Model of Vapor Compression Systems for Aircraft Environmental Control Systems
Dynamic Model of Vapor Compression Systems for Aircraft Environmental Control Systems Open
The optimization of novel aircraft Environmental Control System (ECS) architectures necessitates the support of complex numerical simulations. Within the framework of the more electric aircraft approach, a promising strategy to enhance the…
View article: Optimizing Structured Thermocline Performance Using a 3d+1d Advanced Model
Optimizing Structured Thermocline Performance Using a 3d+1d Advanced Model Open
View article: Mathematical and Numerical Approach of Encapsulated Phase Change Material in Structured Thermocline Systems
Mathematical and Numerical Approach of Encapsulated Phase Change Material in Structured Thermocline Systems Open
View article: Heat Exchanger Surrogates for a Vapor Compression System
Heat Exchanger Surrogates for a Vapor Compression System Open
Given the computationally intensive nature of heat exchanger simulators, utilizing a data-driven surrogate model for efficiently computing the heat exchanger outputs is desirable. This study focuses on developing integrated surrogate model…
View article: Coupling of Thermal and Electrical Systems for the Simulation of ECS Architectures
Coupling of Thermal and Electrical Systems for the Simulation of ECS Architectures Open
This work is focused on the coupling of two complex models based on different underlying physics: a vapor compression refrigerating system and its electrical drive system. The main challenge was to correctly handle the large simulation tim…
View article: Thermal system oriented heat exchanger models. Focus on moist air liquid cooled units with dehumidification.
Thermal system oriented heat exchanger models. Focus on moist air liquid cooled units with dehumidification. Open
The simulation of complex thermal systems including an increasing number of components, and specifically heat exchangers, is still attracting the attention of the researchers, both to reduce the time needed for the resolution and to improv…
View article: Transient thermal management of vapor cycles to simulate aircraft electrical environment control systems.
Transient thermal management of vapor cycles to simulate aircraft electrical environment control systems. Open
A Modelica library has been developed to simulate thermal management architectures of Electrical Environmental Control Systems (E-ECS) in new generation aircrafts. The modeling of these architectures requires significant efforts to overcom…
View article: Experimental Analysis of a Draft Beer Ice Bank Machine
Experimental Analysis of a Draft Beer Ice Bank Machine Open
In a long-term established application as draft beer cooling and servicing machines, seems difficult to see any research application at first sight. However, this perspective change when one considers that the costs associated to maintenan…
View article: THERMAL SYSTEM ORIENTED SIMULATION OF AIRCRAFT ELECTRICAL ENVIRONMENTAL CONTROL SYSTEMS INCLUDING ITS ELECTRIC COUPLING
THERMAL SYSTEM ORIENTED SIMULATION OF AIRCRAFT ELECTRICAL ENVIRONMENTAL CONTROL SYSTEMS INCLUDING ITS ELECTRIC COUPLING Open
A flexible numerical platform based on libraries has been developed within the Dymola/Modelica framework to simulate Environmental Control Systems (ECS). The goal was to build up a flexible tool to analyse complex systems including their t…
View article: Dynamic simulation of indirect air conditioning systems with optimized computational time
Dynamic simulation of indirect air conditioning systems with optimized computational time Open
The simulation of HVAC systems is a powerful tool to improve the energy efficiency in buildings. The modelling of such systems faces several obstacles due to both the physical phenomenology present and the numerical resolution difficulties…
View article: Vapor Compression System Modelica Library for Aircraft ECS
Vapor Compression System Modelica Library for Aircraft ECS Open
The aeronautical industry is developing new environmental control system architectures, based on the more electrical aircraft approach, with the aim of improving the overall performance of aircrafts. The analysis of theses architectures is…
View article: Thermo-mechanical parametric analysis of packed-bed thermocline energy storage tanks
Thermo-mechanical parametric analysis of packed-bed thermocline energy storage tanks Open
View article: Drain water heat recovery storage-type unit for residential housing
Drain water heat recovery storage-type unit for residential housing Open
View article: Numerical simulation of sensible and latent thermal energy storage systems
Numerical simulation of sensible and latent thermal energy storage systems Open
El objetivo principal de esta tesis es la resolución numérica de problemas de transferencia de calor y dinámica de fluidos y su aplicación para el estudio del comportamiento transitorio de sistemas térmicos de acumulación de energía (TES).…
View article: Multi-layered solid-PCM thermocline thermal storage for CSP. Numerical evaluation of its application in a 50MWe plant
Multi-layered solid-PCM thermocline thermal storage for CSP. Numerical evaluation of its application in a 50MWe plant Open
View article: Numerical Evaluation of Multi-layered Solid-PCM Thermocline-like Tanks as Thermal Energy Storage Systems for CSP Applications
Numerical Evaluation of Multi-layered Solid-PCM Thermocline-like Tanks as Thermal Energy Storage Systems for CSP Applications Open
The two-tank system is the technology used for thermal energy storage (TES) in current concentrating solar power (CSP) plants. Thermocline storage concept has been considered for more than a decade as a possible solution to reduce the high…
View article: Parametric Study of Two-tank TES Systems for CSP Plants
Parametric Study of Two-tank TES Systems for CSP Plants Open
The two-tank thermal energy storage (TES) system is the most used technology for storage in concentrating solar power (CSP) plants. This work focuses on a parametric study, which aims to identify the most important parameters on TES system…