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Applied Sciences
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Latest Research and Challenges in Mining Safety
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Latest Research and Challenges in Mining Safety

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Earth Sciences".

Deadline for manuscript submissions: closed (20 August 2023) | Viewed by 1597

Special Issue Editors

Dr. Jianwei Cheng

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Guest Editor
School of Safety Engineering, China University of Mining and Technology, Xuzhou, China
Interests: underground space; disaster management; rock mechanics; crack structure; underground accidents in coal mines
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Ke Gao

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Guest Editor
College of Safety Science and Engineering, Liaoning Technical University, Huludao 125105, China
Interests: safety technology and engineering
Prof. Dr. Feng Xu

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Guest Editor
School of Safety Engineering, Heilongjiang University of Science and Technology, Harbin 150022, China
Interests: safety engineering
Prof. Dr. Wen Nie

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Guest Editor
College of Safety and Environmental Engineering (College of Safety and Emergency Management), Shandong University of Science and Technology, Qingdao 266590, China
Interests: coal mine ventilation; dust control; fire prevention and suppression; mine disaster prevention and control
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The importance of mining safety is not a new discovery. As early as 40,000 B.C. in Palaeolithic times, when miners faced oxygen deficiency, toxic gases, harmful dust, etc., they were compelled to develop a variety of methods to circulate air through shafts or tunnels to provide fresh air to the underground. Mining safety remains critical for an underground mine. Currently, the study of mine safety is a comprehensive subject covering areas from various disciplines. These include the optimization of the ventilation pattern in underground areas; underground or surface coal fire control; the management of coal gas migration or drainage, rock burst, explosion risk, etc. The disturbance of rock strata engineering poses unique challenges for the mining production and miners’ safety and healthy. 

In this context, this Special Issue aims to assemble research on the latest developments in advanced research into evaluating mining safety engineering or practices. Of interest are experimental, theoretical, computer simulation and case studies that contribute towards progress in the field.

Potential topics include but are not limited to the following:

  • ventilation and air distribution/purification
  • ground or strata failure
  • dust inhalation or coal dust
  • whole body vibration (WBV)
  • hot and humid of mining environments
  • fire or explosion
  • gas outbursts
  • spontaneous combustion
  • management of hazards

Dr. Jianwei Cheng
Prof. Dr. Ke Gao
Prof. Dr. Feng Xu
Prof. Dr. Wen Nie
Guest Editors

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. Applied Sciences 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 2400 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.

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Published Papers (1 paper)

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Research

18 pages, 6492 KiB  
Article
Numerical Simulation of Catalytic Methane Combustion in Al2O3 Directional Nanotubes Modified by Pt and Pd Catalyst
by Bin Shen, Tianshun Zhou, Xinlei Liu, Xianli Qin and Wei Li
Appl. Sci. 2023, 13(11), 6547; https://doi.org/10.3390/app13116547 - 27 May 2023
Viewed by 1149
Abstract
“Blind holes” are the main reasons for the reduced performance of microgas sensor carriers. To improve the “blind hole” of catalytic combustion methane sensors and therefore, their thermal stability, this study presents a numerical simulation of the catalytic combustion in an Al2 [...] Read more.
“Blind holes” are the main reasons for the reduced performance of microgas sensor carriers. To improve the “blind hole” of catalytic combustion methane sensors and therefore, their thermal stability, this study presents a numerical simulation of the catalytic combustion in an Al2O3− oriented ceramic array involving porous microthermal plates. A three-visualization model of the sensor is established using the FLUENT software, and the simulation results are systematically analyzed based on the dynamics and thermodynamic mechanism of the microgas sensor. The results show that the regularity of the surface reaction presents a circular distribution, with the center line of the channel serving as the axis symmetry. The total reaction velocity in the array hole increases gradually from the inlet to the outlet. The flow velocity at the inlet should be controlled at more than 1 × 10−8 m/s, which is more accurate compared with the concept of “uniform velocity” in previous studies. The optimum pore size at the inlet should be 150 nm, and the inner pore size of the wall should be slightly higher than 300 nm, which is a more careful division compared with previous pore-size studies. The efficient reaction position is from the inlet to the quarter of the hole. The simulation results make up for the deficiencies in the analysis of the process parameters of the methane sensor carrier array hole and the internal reaction change process, as well as provide innovative comments on the sensor structure design. Through digital simulations, the limitations associated with the experiments can be avoided, the theoretical study can be improved, theoretical support can be provided for experiments related to the improvement of thermal stability, the predictability of experiments can be improved, and the feasibility of the research proposal can be verified. These steps are important for the improvement of the “blind hole” problem of catalytic combustion methane sensors. Full article
(This article belongs to the Special Issue Latest Research and Challenges in Mining Safety)
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