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Applied Sciences
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Innovative Protection Facility and CBRNE Effects
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Innovative Protection Facility and CBRNE Effects

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

Deadline for manuscript submissions: closed (30 June 2022) | Viewed by 8363

Special Issue Editors

Prof. Dr. Sungkon Kim

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Guest Editor
Department of Protection and Safety Engineering, Seoul National University of Science and Technology, Seoul 01811, Republic of Korea
Interests: protective engineering; protection and safety; structural health monitoring
Prof. Dr. Jungwhee Lee

E-Mail Website
Guest Editor
Department of Civil & Environmental Engineering, Dankook University, Gyeonggi-do 16890, Korea
Interests: structural engineering; blast protection; bridge engineering

Special Issue Information

Dear Colleagues,

The mission of protective engineering is to protect and mitigate against risks to life, property, facility, system devices, and operations by developing protective design measures that reduce the threat level and vulnerability while enhancing protective reliability and resilience for the mission. Protective design procedures against blast, CBR (chemical, biological and radiological), or EMP (electromagnetic pulse) hazards may be accomplished with threat identification, risk-based assessment, and design of members, structures, and utilities based on proper design requirements.

This Special Issue will address the relevant topics on protective engineering to ensure proper protective performances, and also issues around the management of consequences for reacting against security threats.

Prof. Dr. Sungkon Kim
Prof. Dr. Jungwhee Lee
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.

Keywords

  • innovative protective structure
  • protection and safety
  • blast protection
  • CBR protection
  • EMP protection
  • integrated protection
  • modeling and simulation
  • threat identification and risk assessment
  • consequence management against threats

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Published Papers (3 papers)

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Research

13 pages, 9882 KiB  
Article
Experimental Study on Electromagnetic Shielding Characteristics of a Fe-Based Amorphous Soft Magnetic Composite
by Jaehoon Yoo and Sangmin Lee
Appl. Sci. 2022, 12(12), 6158; https://doi.org/10.3390/app12126158 - 17 Jun 2022
Cited by 2 | Viewed by 2294
Abstract
An Fe-based amorphous soft magnetic composite with flexibility and elasticity was fabricated to shield harmful electromagnetic waves in industrial and military defense applications. Through the combination and structural arrangement of the amorphous soft magnetic sheet and the conductive sheet, the inlet (POE) form [...] Read more.
An Fe-based amorphous soft magnetic composite with flexibility and elasticity was fabricated to shield harmful electromagnetic waves in industrial and military defense applications. Through the combination and structural arrangement of the amorphous soft magnetic sheet and the conductive sheet, the inlet (POE) form of electromagnetic waves was artificially diversified, and shielding performance was measured according to the criteria of MIL-STD-188-125-1 in the range from 1 kHz to 10 GHz, in consideration of the electromagnetic pulse (EMP) protection. As a result, the shielding effectiveness of 80 dB was achieved in a triple “sandwiched” structure by alternately stacking an iron-based amorphous soft magnetic material on top of a flexible conductive sheet at a 90-degree angle, rather than in parallel. Full article
(This article belongs to the Special Issue Innovative Protection Facility and CBRNE Effects)
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27 pages, 4194 KiB  
Article
Technology Prediction for Acquiring a Must-Have Mobile Device for Military Communication Infrastructure
by Sungil Kim, Byungki Jung, Dongyun Han and Choonjoo Lee
Appl. Sci. 2022, 12(6), 3207; https://doi.org/10.3390/app12063207 - 21 Mar 2022
Viewed by 2302
Abstract
The smartphone is a must-have mobile device for the military forces to accomplish critical missions and protect critical infrastructures. This paper explores the applicability of a technology prediction methodology to manage technological obsolescence while pursuing the acquisition of advanced commercial technology for military [...] Read more.
The smartphone is a must-have mobile device for the military forces to accomplish critical missions and protect critical infrastructures. This paper explores the applicability of a technology prediction methodology to manage technological obsolescence while pursuing the acquisition of advanced commercial technology for military use. It reviews the Technology Forecasting using Data Envelopment Analysis (TFDEA) methodology and applies an author-written Stata program for smartphone technology forecasting using TFDEA. We analyzed smartphone launch data from 2005 to 2020 to predict the adoption of smartphone technology and discuss the pace of technological change. The study identifies that the market is undergoing reorganization as new smartphone models expand the market and increase their technical performance. The average rate of technological change, the efficiency change, and the technology change were 1.079, 1.004, and 1.011 each, respectively, which means that the technology progressed over the period. When dividing before and after 2017, technological change and efficiency change generally regressed except for Huawei, Xiaomi, and Oppo. This means that Chinese smartphones are expanding the global market in all directions and the technology is reaching maturity and market competition is accelerating. Full article
(This article belongs to the Special Issue Innovative Protection Facility and CBRNE Effects)
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15 pages, 31554 KiB  
Article
Numerical Assessment and Repair Method of Runway Pavement Damage Due to CBU Penetration and Blast Loading
by Jaeduk Han, Sungil Kim and Injae Hwang
Appl. Sci. 2022, 12(6), 2888; https://doi.org/10.3390/app12062888 - 11 Mar 2022
Cited by 6 | Viewed by 2765
Abstract
This paper addresses the protection capability of a runway pavement by executing a field blast test on an airfield pavement subjected to blast loading from a CBU (cluster bomb unit), and by confirming the numerical simulation of warhead penetration and the form of [...] Read more.
This paper addresses the protection capability of a runway pavement by executing a field blast test on an airfield pavement subjected to blast loading from a CBU (cluster bomb unit), and by confirming the numerical simulation of warhead penetration and the form of damage. The CBU’s blast loading applies the BAP 100 of an air-to-ground munition in a similar scale. Penetration depth is calculated by a formula which incorporates the terminal speed of a free-falling cluster munition dispersed 20 km above the ground. According to the result of the calculation, the penetration depth by a cluster munition is 33 cm from the surface of the pavement. The field blast test was conducted based on this result. Furthermore, LS-DYNA software simulation was used to assess the condition of damage, determined by the depth of penetration and explosive pressure from a free-falling CBU landing on the airfield pavement from 20 km above the ground. The condition was ultimately used to verify the result of field testing and to confirm the scale of damage repair. The depth of explosion was 78 cm, from the surface to the crushed stone and sand layer below the pavement, and the diameter was 30 cm. The size of the crushed concrete that needed to be removed was an average diameter of 156 cm. The simulation result confirms that the diameter and depth of the crater are 67.6 cm and 67 cm, respectively, when the CBU is detonated under the same depth as the field testing, and the height of upheaval is 12 cm. The most appropriate method for repair, after a series of reviews, is to cut and remove a concrete slab 1.8 m × 1.8 m and cast the crushed stone layer disrupted from the explosion, followed by repairing the removed damaged concrete slab sections using rapid hardening concrete. Full article
(This article belongs to the Special Issue Innovative Protection Facility and CBRNE Effects)
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