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Energies
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Advanced Technologies in Prevention, Control, and Mitigation of Hydrogen Explosion
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Advanced Technologies in Prevention, Control, and Mitigation of Hydrogen Explosion

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "A5: Hydrogen Energy".

Deadline for manuscript submissions: closed (31 May 2022) | Viewed by 3173

Special Issue Editor

Prof. Dr. Yun-Ting Tsai

E-Mail Website
Guest Editor
School of Chemical Engineering and Technology, Xi’an Jiaotong University, 28, Xianning West Rd., Xi’an 710049, Shaanxi, China
Interests: hydrogen safety; risk assessment; safety management
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Hydrogen is the cleanest energy because its combustion product is H2O. Therefore, hydrogen energy technology has rapidly developed and been widely applied for reaching the carbon reduction target. However, hydrogen has high flammability and explosibility, which limit its development. Many hydrogen explosion accidents occurred in the past. To reduce explosion risk, we must focus on the safe use, production, storage, and transportation of hydrogen.

All these potential technologies in the prevention, control, and mitigation of hydrogen explosion will be covered in this Special Issue, which welcomes the submission of both reviews and original research articles in this area. Topics of interest for publication include but are not limited to the following:

  • Hydrogen leakage and diffusion;
  • Hydrogen combustion and explosion;
  • Hydrogen storage safety;
  • Risk assessment;
  • Hydrogen and material compatibility;
  • Fuel cell safety;
  • Hydrogen sensors;
  • Specifications and standards;
  • Hydrogen safety education.

Prof. Dr. Yun-Ting Tsai
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

  • hydrogen safety
  • hydrogen explosion
  • safety management
  • risk assessment
  • fuel cell safety
  • hydrogen energy system

Published Papers (2 papers)

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Research

13 pages, 3434 KiB  
Article
Calorimetric Evaluation of Thermal Stability of Organic Liquid Hydrogen Storage Materials and Metal Oxide Additives
by Lin-Jie Xie, Jun-Cheng Jiang, An-Chi Huang, Yan Tang, Ye-Cheng Liu, Hai-Lin Zhou and Zhi-Xiang Xing
Energies 2022, 15(6), 2236; https://0-doi-org.brum.beds.ac.uk/10.3390/en15062236 - 18 Mar 2022
Cited by 13 | Viewed by 1401
Abstract
The effects of two different metal oxide catalysts, SnO and Li2O, on the dehydrogenation temperature of Carbazole and N-Ethylcarbazole (NE), respectively, were investigated by the Thermogravimetric analyzer and Differential Scanning Calorimetry. Thermogravimetric experiments were performed with 10wt% SnO and Li2 [...] Read more.
The effects of two different metal oxide catalysts, SnO and Li2O, on the dehydrogenation temperature of Carbazole and N-Ethylcarbazole (NE), respectively, were investigated by the Thermogravimetric analyzer and Differential Scanning Calorimetry. Thermogravimetric experiments were performed with 10wt% SnO and Li2O added to Carbazole and N-Ethylcarbazole, respectively, and compared to pure Carbazole and N-Ethylcarbazole. The results showed that the dehydrogenation temperature of N-Ethylcarbazole was lower than that of Carbazole, and the dehydrogenation temperature of N-Ethylcarbazole +SnO was the lowest, and SnO is an ideal dehydrogenation catalyst for N-Ethylcarbazole. Experiments using Differential Scanning Calorimetry and a Thermogravimetric analyzer showed that with the addition of catalyst, the activation energy of the mixture was more significant and stable, and the thermal hazard was reduced, whereas the relative dehydrogenation temperature was increased. This study provides important information for improving the design of dehydrogenation catalysts for organic liquid hydrogen storage processes. Full article
(This article belongs to the Special Issue Advanced Technologies in Prevention, Control, and Mitigation of Hydrogen Explosion)
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14 pages, 5679 KiB  
Article
Effects of Reversed Shock Waves on Operation Mode in H2/O2 Rotating Detonation Chambers
by Yanliang Chen, Xiangyang Liu and Jianping Wang
Energies 2021, 14(24), 8296; https://0-doi-org.brum.beds.ac.uk/10.3390/en14248296 - 09 Dec 2021
Cited by 6 | Viewed by 1317
Abstract
Operation modes are an important topic in the research of Rotating Detonation Chamber (RDC) as it can affect the stability of RDC. However, they have not been discussed in detail due to the limitation of measurement means in experiments. The aim of this [...] Read more.
Operation modes are an important topic in the research of Rotating Detonation Chamber (RDC) as it can affect the stability of RDC. However, they have not been discussed in detail due to the limitation of measurement means in experiments. The aim of this research is to investigate the mechanism of different operation modes by numerical simulation. In this paper, a numerical simulation for RDCs with separate injectors is carried out. Different operation modes and mode switching are analyzed. There is a series of reversed shock waves in the flow field. It was found that they have great effects on operation mode and mode switching in RDCs. A reversed shock wave can transit into a detonation wave after passing through isolated fresh gas region where fresh gas and burnt gas distribute alternatively. This shock-to-detonation transition (SDT) phenomenon will influence the ignition process, contra-rotating waves mode and mode switching in RDCs. SDT makes the number of detonation wave increases, resulting in multi-wave mode with one ignition. Moreover, quenching of detonation waves after collision and SDT after passing through isolated fresh gas region are the mechanism of contra-rotating waves mode in RDCs with separate injectors. In addition, when the inlet total temperature increases, a shock wave is easier to transit into a detonation wave. The distance that a shock wave travels before SDT decreases when temperature increases. This will result in mode switching. Therefore, SDT determines that there is a lower bound of detonation wave number. Full article
(This article belongs to the Special Issue Advanced Technologies in Prevention, Control, and Mitigation of Hydrogen Explosion)
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