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Constructive Design and Technological Optimization in Machine Building: Latest Advances and Prospects

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

Deadline for manuscript submissions: 20 April 2026 | Viewed by 215

Special Issue Editors


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Guest Editor
Department of Industrial System Engineering and Management, Faculty of Engineering, Vasile Alecsandri University of Bacău, Calea Mărășești 157, 600115 Bacău, Romania
Interests: machining; manufacturing processes; surface quality; design of experiments (DOE)
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Department of Environmental Engineering, Mechanical Engineering and Agritourism, Faculty of Engineering, "Vasile Alecsandri" University of Bacău, 600115 Bacău, Romania
Interests: acoustic materials; drone development; environmental engineering; sustainable development
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Nowadays, production and manufacturing are undergoing important transformations driven by the latest advancements in technology and innovative design approaches. In an era defined by rapid technological evolution and increasing global competition, the machine building industry represents a cornerstone of economic progress and societal advancement. This Special Issue, entitled "Constructive Design and Technological Optimization in Machine Building: Latest Advances and Prospects", will bring together contributions from experienced academicians, researchers, engineers, and industry professionals at the forefront of technological innovation. It will cover a range of subjects, giving a valuable overview of the latest trends and future directions of development discussed the 20th International Conference of Constructive Design and Technological Optimization in Machine Building (OPROTEH 2025), organized by the Faculty of Engineering of “Vasile Alecsandri” University of Bacau from May 21st to May 23rd 2025 in Bacau, Romania.

The range of topics highlights the interconnections of various engineering fields and the importance of following a holistic approach to innovation.

Topics of interest to this Special Issue include, but are not limited to, the following:

  • Optimization of Manufacturing Processes, as well as Systems- and Computer-Aided Design and Manufacturing;
  • Optimization of Technologies and Equipment from Process Industries;
  • Optimization in Environmental Engineering and Environmental Protection;
  • Mechatronics and Robotics;
  • Economic Engineering;
  • Chemical and Food Engineering;
  • Computer Science and Industrial Power Engineering;
  • Fracture Mechanics.

Prof. Dr. Bogdan Chirita
Prof. Dr. Maricel Agop
Dr. Florin Nedeff
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

  • manufacturing optimization and advanced techniques
  • industrial process optimization
  • sustainable engineering solutions
  • mechatronics innovations
  • intelligent robotics
  • resource management
  • chemical engineering
  • food processing technology
  • energy management
  • renewable energy technologies
  • fracture mechanics analysis
  • failure analysis

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Published Papers (1 paper)

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Research

14 pages, 728 KiB  
Article
Groundwater Quality Analysis: Assessing the Impact of a Closed Landfill—A Case Study on Physico-Chemical and Microplastic Contaminants
by Grzegorz Przydatek, Józef Ciuła, Narcis Barsan, Diana Mirila and Emilian Mosnegutu
Appl. Sci. 2025, 15(15), 8223; https://doi.org/10.3390/app15158223 - 24 Jul 2025
Abstract
In the context of increasing concern over long-term environmental impacts of closed landfill sites, this study investigates the composition of groundwater and leachate at a municipal waste landfill in southwestern Poland, two decades after its closure. The research, conducted in 2023, aimed to [...] Read more.
In the context of increasing concern over long-term environmental impacts of closed landfill sites, this study investigates the composition of groundwater and leachate at a municipal waste landfill in southwestern Poland, two decades after its closure. The research, conducted in 2023, aimed to assess groundwater quality using 11 physico-chemical and 13 microplastic indicators. Groundwater and leachate samples were collected seasonally to assess of groundwater quality around landfill, including presence of heavy metals (Cd, Cr6+, Cu, Pb), PAHs and TOC, and microplastics. The results revealed persistent environmental degradation, with elevated concentrations of total organic carbon (24.8 mg/L) and cadmium (0.0211 mg/L), particularly in the second half of the year. Additionally, PET microplastics were detected in correlation with increased precipitation and leachate generation. These findings indicate that pollutants continue to migrate from the waste deposit into the surrounding groundwater, with seasonal patterns amplifying their presence. The study confirms that even decades after closure, municipal landfills can remain significant sources of both chemical and microplastic contamination, underlining the need for long-term monitoring and remediation strategies to protect groundwater resources. Full article
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