Numerical investigations of a thermochemical heat storage system during the discharging

Research output: Contributions to collected editions/worksArticle in conference proceedingsResearchpeer-review

Standard

Numerical investigations of a thermochemical heat storage system during the discharging. / Fopah Lele, Armand ; Hu, Jian; Kuznik, Frédéric et al.
ASME-ATI-UIT 2015 Conference on Thermal Energy Systems: Production, Storage, Utilization and the Environment: Heat and Mass transfer in porous media. Napoli: Unione Italiana Termofluidodinamica, 2015.

Research output: Contributions to collected editions/worksArticle in conference proceedingsResearchpeer-review

Harvard

Fopah Lele, A, Hu, J, Kuznik, F, Osterland, T & Ruck, W 2015, Numerical investigations of a thermochemical heat storage system during the discharging. in ASME-ATI-UIT 2015 Conference on Thermal Energy Systems: Production, Storage, Utilization and the Environment: Heat and Mass transfer in porous media. Unione Italiana Termofluidodinamica, Napoli, Conference on Thermal Energy Systems - ASME-ATI-UIT 2015, Napoli, Italy, 17.05.15.

APA

Fopah Lele, A., Hu, J., Kuznik, F., Osterland, T., & Ruck, W. (2015). Numerical investigations of a thermochemical heat storage system during the discharging. In ASME-ATI-UIT 2015 Conference on Thermal Energy Systems: Production, Storage, Utilization and the Environment: Heat and Mass transfer in porous media Unione Italiana Termofluidodinamica.

Vancouver

Fopah Lele A, Hu J, Kuznik F, Osterland T, Ruck W. Numerical investigations of a thermochemical heat storage system during the discharging. In ASME-ATI-UIT 2015 Conference on Thermal Energy Systems: Production, Storage, Utilization and the Environment: Heat and Mass transfer in porous media. Napoli: Unione Italiana Termofluidodinamica. 2015

Bibtex

@inbook{66b2cbc9cffd4e699491f5a0b184dc64,
title = "Numerical investigations of a thermochemical heat storage system during the discharging",
abstract = "Thermochemical materials, particularly salt hydrates, have a significant potential of use in storage systems. When a salt hydrate is heated to a critical temperature, a chemical reaction is initiated to dissociate it into its anhydrous form and water vapour. The anhydrous salt stores the sensible energy that was supplied for dehydration, which can be later extracted by allowing cooler water or water vapour to flow through the salt, transforming the stored energy into higher sensible heat. This work presents the modelling during the thermochemical hydration reaction in the reactive porous bed based MgCl2 in a closed system. An analytical sharp front model is also developed in order to determine the required hydration time and bed size. A sensitivity analysis helps identifying optimal parameters that more significantly influence the performance of the heat release process. Numerical heat and mass transfer through principal system components are studied using Comsol Multiphysics Software. Results show good concordance with the experiment. In this closed system, the inlet vapour pressure into the bed has no influence on the process conversion. The optimal porosity of around 0.76 has been taken based on the heat and mass transfer dilemma analysis. Optimal heat exchanger design reveals critical values to enhance the mass transfer issue in the reactive bed.",
keywords = "Energy research, Thermochemical materials, Heat and mass transfer, Engineering, Heat exchanger, Thermochemical heat storage, Sustainability Science, Efficiency",
author = "{Fopah Lele}, Armand and Jian Hu and Fr{\'e}d{\'e}ric Kuznik and Thomas Osterland and Wolfgang Ruck",
year = "2015",
month = may,
day = "19",
language = "English",
isbn = "978-88-98273-17-1 ",
booktitle = "ASME-ATI-UIT 2015 Conference on Thermal Energy Systems: Production, Storage, Utilization and the Environment",
publisher = "Unione Italiana Termofluidodinamica",
address = "Italy",
note = "Conference on Thermal Energy Systems - ASME-ATI-UIT 2015 : Production, Storage, Utilization and the Environment, ASME-ATI-UIT 2015 ; Conference date: 17-05-2015 Through 20-05-2015",
url = "https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=11&cad=rja&uact=8&ved=2ahUKEwjkrKXBmJjgAhUDxYUKHYa7Bi44ChAWMAB6BAgDEAI&url=https%3A%2F%2Fwww.researchgate.net%2Fprofile%2FDaniele_Testi%2Fpublication%2F281741660_Energy_efficient_methodologies_for_microclimate_control_in_museum_environmentes_a_state_of_the_art%2Flinks%2F5b1b9a5e0f7e9b68b42a5637%2FEnergy-efficient-methodologies-for-microclimate-control-in-museum-environmentes-a-state-of-the-art.pdf%3Forigin%3Dpublication_detail&usg=AOvVaw22zJJb2oo823_bRxRJf4lh, https://10times.com/thermal-energy",

}

RIS

TY - CHAP

T1 - Numerical investigations of a thermochemical heat storage system during the discharging

AU - Fopah Lele, Armand

AU - Hu, Jian

AU - Kuznik, Frédéric

AU - Osterland, Thomas

AU - Ruck, Wolfgang

PY - 2015/5/19

Y1 - 2015/5/19

N2 - Thermochemical materials, particularly salt hydrates, have a significant potential of use in storage systems. When a salt hydrate is heated to a critical temperature, a chemical reaction is initiated to dissociate it into its anhydrous form and water vapour. The anhydrous salt stores the sensible energy that was supplied for dehydration, which can be later extracted by allowing cooler water or water vapour to flow through the salt, transforming the stored energy into higher sensible heat. This work presents the modelling during the thermochemical hydration reaction in the reactive porous bed based MgCl2 in a closed system. An analytical sharp front model is also developed in order to determine the required hydration time and bed size. A sensitivity analysis helps identifying optimal parameters that more significantly influence the performance of the heat release process. Numerical heat and mass transfer through principal system components are studied using Comsol Multiphysics Software. Results show good concordance with the experiment. In this closed system, the inlet vapour pressure into the bed has no influence on the process conversion. The optimal porosity of around 0.76 has been taken based on the heat and mass transfer dilemma analysis. Optimal heat exchanger design reveals critical values to enhance the mass transfer issue in the reactive bed.

AB - Thermochemical materials, particularly salt hydrates, have a significant potential of use in storage systems. When a salt hydrate is heated to a critical temperature, a chemical reaction is initiated to dissociate it into its anhydrous form and water vapour. The anhydrous salt stores the sensible energy that was supplied for dehydration, which can be later extracted by allowing cooler water or water vapour to flow through the salt, transforming the stored energy into higher sensible heat. This work presents the modelling during the thermochemical hydration reaction in the reactive porous bed based MgCl2 in a closed system. An analytical sharp front model is also developed in order to determine the required hydration time and bed size. A sensitivity analysis helps identifying optimal parameters that more significantly influence the performance of the heat release process. Numerical heat and mass transfer through principal system components are studied using Comsol Multiphysics Software. Results show good concordance with the experiment. In this closed system, the inlet vapour pressure into the bed has no influence on the process conversion. The optimal porosity of around 0.76 has been taken based on the heat and mass transfer dilemma analysis. Optimal heat exchanger design reveals critical values to enhance the mass transfer issue in the reactive bed.

KW - Energy research

KW - Thermochemical materials

KW - Heat and mass transfer

KW - Engineering

KW - Heat exchanger

KW - Thermochemical heat storage

KW - Sustainability Science

KW - Efficiency

M3 - Article in conference proceedings

SN - 978-88-98273-17-1

BT - ASME-ATI-UIT 2015 Conference on Thermal Energy Systems: Production, Storage, Utilization and the Environment

PB - Unione Italiana Termofluidodinamica

CY - Napoli

T2 - Conference on Thermal Energy Systems - ASME-ATI-UIT 2015

Y2 - 17 May 2015 through 20 May 2015

ER -