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Nuclear Integration and Thermal Energy Storage
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Nuclear Integration and Thermal Energy Storage

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "J: Thermal Management".

Deadline for manuscript submissions: closed (10 August 2021) | Viewed by 5027

Special Issue Editor

Dr. Shannon M. Bragg-Sitton

E-Mail Website
Guest Editor
Idaho National Laboratory, Idaho Falls, ID 83415, USA
Interests: nuclear energy; zero emission energy systems

Special Issue Information

Dear Colleagues,

Many private companies, municipalities, and nation states have established energy standards to dramatically reduce environmental emissions. Clean and sustainable energy supporting various energy use sectors can be a reality through application of diverse generation resources, with key contributors being nuclear, renewables (wind, solar, hydro), and fossil fuels with carbon capture. However, as the generation mix evolves, new approaches are necessary to manage the variable nature of both electricity demand and renewable generation to ensure grid stability. Nuclear energy is a key contributor to a zero-emission energy economy, and its role in a diverse, clean energy economy can be further amplified by moving beyond traditional baseload generation. This can be accomplished through operational flexibility (varying power output as needed to meet grid demand) or product flexibility (inclusion of energy storage, or production of alternative products to dynamically vary electricity production as needed).

We welcome authors to contribute to this Special Issue focused on the role of energy storage in conjunction with nuclear energy systems to support current and future energy demands. Contributions should address the motivation for and role of non-electrical energy storage, including both thermal and chemical storage means, in supporting the increasing role of nuclear energy across all energy use sectors, including electricity, industry, and transportation.

Dr. Shannon M. Bragg-Sitton
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Energies is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • Thermal energy storage
  • Nuclear flexibility
  • Integrated energy systems
  • Net-zero emissions
  • Nuclear hydrogen production and storage

Published Papers (2 papers)

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Research

21 pages, 15987 KiB  
Article
Combining Dual Fluidized Bed and High-Temperature Gas-Cooled Reactor for Co-Producing Hydrogen and Synthetic Natural Gas by Biomass Gasification
by Yangping Zhou, Zhengwei Gu, Yujie Dong, Fangzhou Xu and Zuoyi Zhang
Energies 2021, 14(18), 5683; https://doi.org/10.3390/en14185683 - 9 Sep 2021
Cited by 1 | Viewed by 1655
Abstract
Biomass gasification to produce burnable gas now attracts an increasing interest for production flexibility in the renewable energy system. However, the biomass gasification technology using dual fluidized bed which is most suitable for burnable gas production still encounters problems of low production efficiency [...] Read more.
Biomass gasification to produce burnable gas now attracts an increasing interest for production flexibility in the renewable energy system. However, the biomass gasification technology using dual fluidized bed which is most suitable for burnable gas production still encounters problems of low production efficiency and high production cost. Here, we proposed a large-scale biomass gasification system to combine dual fluidized bed and high-temperature gas-cooled reactor (HTR) for co-production of hydrogen and synthetic natural gas (SNG). The design of high-temperature gas-cooled reactor biomass gasification (HTR-BiGas) consists of one steam supply module to heat inlet steam of the gasifier by HTR and ten biomass gasification modules to co-produce 2000 MWth hydrogen and SNG by gasifying the unpretreated biomass. Software for calculating the mass and energy balances of biomass gasification was developed and validated by the experiment results on the Gothenburg biomass gasification plant. The preliminary economic evaluation showed that HTR-BiGas and the other two designs, electric auxiliary heating and increasing recirculated product gas, are economically comparative with present mainstream production techniques and the imported natural gas in China. HTR-BiGas is the best, with production costs of hydrogen and SNG around 1.6 $/kg and 0.43 $/Nm3, respectively. These designs mainly benefit from proper production efficiencies with low fuel-related costs. Compared with HTR-BiGas, electric auxiliary heating is hurt by the higher electric charge and the shortcoming of increasing recirculated product gas is its lower total production. Future works to improve the efficiency and economy of HTR-BiGas and to construct related facilities are introduced. Full article
(This article belongs to the Special Issue Nuclear Integration and Thermal Energy Storage)
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25 pages, 5096 KiB  
Article
Modeling the Idaho National Laboratory Thermal-Energy Distribution System (TEDS) in the Modelica Ecosystem
by Konor Frick, Shannon Bragg-Sitton and Cristian Rabiti
Energies 2020, 13(23), 6353; https://doi.org/10.3390/en13236353 - 1 Dec 2020
Cited by 8 | Viewed by 2781
Abstract
Integrated energy systems (IES)—including the intimate coupling between thermal generators, the grid, ancillary processes, and energy storage—are becoming increasingly pertinent to the energy grid. To facilitate a better understanding of IES, Idaho National Laboratory (INL) has developed the experimental Thermal Energy Distribution System [...] Read more.
Integrated energy systems (IES)—including the intimate coupling between thermal generators, the grid, ancillary processes, and energy storage—are becoming increasingly pertinent to the energy grid. To facilitate a better understanding of IES, Idaho National Laboratory (INL) has developed the experimental Thermal Energy Distribution System (TEDS) to test the interoperability of nuclear reactors, energy storage, and ancillary processes in a real-world setting. This paper provides an overview of the development of TEDS within INL’s Modelica dynamic process modeling ecosystem as part of the IES initiative. The model will bridge the gap between lab-scale experimental results and desired grid-scale energy solutions. Two simulation sets were run. The first was a 5-h test simulating a facility shakedown test, putting the facility through five potential operating modes and showcasing the ability of the valving, control sensors, and component controllers to meet system demands. The second case imposed a typical summer day demand on the system from a region with mixed commercial and residential electrical needs. In this case, the generator alone could not meet peak demand but instead required the thermal-storage unit to act as a peaking unit. Full article
(This article belongs to the Special Issue Nuclear Integration and Thermal Energy Storage)
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