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Systems
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Selected Papers from SDEWES Conferences 2020
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Selected Papers from SDEWES Conferences 2020

A special issue of Systems (ISSN 2079-8954).

Deadline for manuscript submissions: closed (30 April 2021) | Viewed by 10002

Special Issue Editors

Prof. Dr. Rodney Stewart

E-Mail Website
Guest Editor
School of Engineering and Built Environment, Griffith University, Parklands Drive, Southport, QLD 4222, Australia
Interests: digital engineering; building information modelling; digital information asset management; digital utility transformation; smart or intelligent water and energy metering; intelligent sensor networks; remote sensing
Special Issues, Collections and Topics in MDPI journals
Dr. Oz Sahin

E-Mail Website
Guest Editor
1. School of Engineering and Built Environment, Griffith University, Brisbane, QLD 4222, Australia
2. Faculty of Medicine, The University of Queensland, Herston, QLD 4066, Australia
Interests: systems dynamics modelling; operations research; natural resource management; decision support systems; water resources engineering; geospatial information systems
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The International Centre for Sustainable Development of Energy, Water and Environment Systems (SDEWES Centre) is a non-governmental and a non-profit scientific organization based in Zagreb, Croatia. It engages in specific R&D activities that address the problems common for the countries of the East and Southeast European and Mediterranean regions. The SDEWES conference series has emerged as the leading conference on the topic of sustainability, and is currently one of the best scientific conferences on the topic in the world.  

This Special Issue will collect papers from the SDEWES conference series in 2020, SDEWES 2020 Buenos Aires – 2nd Latin American Conference on Sustainable Development of Energy, Water and Environment Systems; SDEWES 2020 Gold Coast – 1st Asia Pacific Conference on Sustainable Development of Energy, Water and Environment Systems; SDEWES 2020 Sarajevo – 4th Southeast European Conference on Sustainable Development of Energy, Water and Environment Systems and SDEWES 2020 Cologne – 15th Conference on Sustainable Development of Energy, Water and Environment Systems.

Authors of papers related to systems presented at the conference are invited to submit extended versions of their work to the Special Issue for publication.

Prof. Dr. Rodney Stewart
Prof. Dr. Oz Sahin
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. Systems is an international peer-reviewed open access monthly 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 (2 papers)

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21 pages, 1288 KiB  
Article
Overview and Improvement of Procedures and Practices of Electricity Transmission System Operators in South East Europe to Mitigate Cybersecurity Threats
by Aleksandra Krkoleva Mateska, Petar Krstevski and Stefan Borozan
Systems 2021, 9(2), 39; https://doi.org/10.3390/systems9020039 - 2 Jun 2021
Cited by 5 | Viewed by 4177
Abstract
The implementation of information and communication technologies (ICT) in power systems increases the risks of cybersecurity threats, requiring protection measures that should reflect the multi-actor environment of the contemporary power systems. This paper provides a critical assessment of the cybersecurity practices of the [...] Read more.
The implementation of information and communication technologies (ICT) in power systems increases the risks of cybersecurity threats, requiring protection measures that should reflect the multi-actor environment of the contemporary power systems. This paper provides a critical assessment of the cybersecurity practices of the transmission system operators (TSOs) from South East Europe (SEE) and the implementation of obligations for TSOs emerging from the complex set of cybersecurity and electricity legislation. The analyses of TSO cybersecurity practices are based on a survey conducted with the TSOs from SEE and show there is a lack of consistent cybersecurity policy at the TSO level. These analyses demonstrate that the differences between TSOs from the SEE region are not very significant with regards to implementation of technical protection and defense measures for critical infrastructures (CIs) and assets. The comprehensive analyses of electricity and cybersecurity legislation uncover the obligations of TSOs emerging from legislation and relate them to current TSO cybersecurity practices, confirming the necessity to boost existing practices. Considering the analyzed legislation and implemented practices, this paper presents a proposal for a cybersecurity framework for TSOs that should improve their organizational and operational response to the evolving cybersecurity challenges. Full article
(This article belongs to the Special Issue Selected Papers from SDEWES Conferences 2020)
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17 pages, 1819 KiB  
Article
Reduction of Cost, Energy and Emissions of the Formalin Production Process via Methane Steam Reforming
by Jan Puhar, Annamaria Vujanović, Peter Awad and Lidija Čuček
Systems 2021, 9(1), 5; https://doi.org/10.3390/systems9010005 - 16 Jan 2021
Cited by 4 | Viewed by 4505
Abstract
Production of formalin, which is among the highest production volume chemicals, is highly energy-intensive; thus, reduction of energy use is very important in reducing cost and emissions. The aim of this and its larger overall research is to systemically analyze how to improve [...] Read more.
Production of formalin, which is among the highest production volume chemicals, is highly energy-intensive; thus, reduction of energy use is very important in reducing cost and emissions. The aim of this and its larger overall research is to systemically analyze how to improve sustainability of processes producing formalin as an intermediate or final product. In this part of the work, energy consumption requirements are analyzed for the conventional formalin production process via methane steam reforming, where opportunities for energy consumption reduction are identified. This work will serve as a base case for further investigation of alternative formalin production pathways. To achieve energy savings, heat integration technology by combined pinch analysis and mathematical programming is applied. The formalin production process is simulated using Aspen HYSYS, and heat integration of the production process was performed based on simulated design using GAMS software. Economic and environmental footprint analyses were performed for both non-integrated and integrated designs. Results show that heat integration reduces heat consumption by around 39%, leading to a saving of 11% in capital cost and turning annual operating cost into positive revenue. Heat integration also improves the environmental aspect, where a 7–22% reduction in selected environmental footprints is achieved. Full article
(This article belongs to the Special Issue Selected Papers from SDEWES Conferences 2020)
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