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Applied Sciences
Special Issues
Hydraulic and Pneumatic Drives
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Hydraulic and Pneumatic Drives

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

Deadline for manuscript submissions: 20 April 2024 | Viewed by 3421

Special Issue Editors

Dr. Nicuşor Baroiu

E-Mail Website
Guest Editor
Department of Manufacturing Engineering, Faculty of Engineering, Dunărea de Jos University of Galaţi, Galaţi, Romania
Interests: hydraulic components; mobile hydraulics; pneumatic components; fluid power systems; trends in fluid power
Dr. Cǎtǎlin Dumitrescu

E-Mail Website
Guest Editor
Hydraulics and Pneumatics Research Institute (INOE 2000-IHP), Bucharest, Romania
Interests: hydraulic and pneumatic equipment and systems; hydrotronics; mechatronics and tribology; green energies; technology transfer
Prof. Dr. Paweł Śliwiński

E-Mail Website
Guest Editor
Hydraulics and Pneumatics Laboratory, Gdansk University of Technology, Gdansk, Poland
Interests: hydraulic components; water hydraulics; fluid power systems
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Hydraulic and pneumatic systems are widely used in stationary and mobile equipment, in most cases being duplicated by specialized controls, from manual, mechanical, and electrical, to electronic, which makes these systems fast, accurate, efficient, and reliable, and can be digitally connected to process control. Thus, these systems are significantly included in the automotive, naval, and heavy industries, in the field of mobile equipment, and in the field of alternative energies, etc. Knowledge of the role played by each component is required in order to increase the productivity and precision of action.

Researchers from around the world who are interested in contributing to this Special Issue are invited to share their latest high-quality results and recent trends in future developments in the field. This Special Issue is a good opportunity to present the results, achievements, and developments of research and development units and higher education institutions in the field of hydraulic and pneumatic drives, so as to achieve the integration of all researchers in international scientific communities, as well as to increase the visibility of contribution to international scientific heritage.

Dr. Nicuşor Baroiu
Dr. Cǎtǎlin Dumitrescu
Prof. Dr. Paweł Śliwiński
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

  • fluid power systems in industrial and mobile hydraulics
  • hydraulic and pneumatic components
  • electronics, mechatronics and new trends in fluid power
  • education and training in fluid power
  • industrial and environmental applications of fluid power

Published Papers (3 papers)

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Research

23 pages, 14632 KiB  
Article
Leveraging Additive Manufacturing and Reverse Engineering for Circular Economy-Driven Remanufacturing of Hydraulic Drive System Components
by Alexandru-Polifron Chiriță, Adriana-Mariana Borș, Radu-Iulian Rădoi, Ionaș-Cătălin Dumitrescu and Ana-Maria Carla Popescu
Appl. Sci. 2023, 13(22), 12200; https://doi.org/10.3390/app132212200 - 10 Nov 2023
Viewed by 1000
Abstract
In response to the imperative of sustainability and resource efficiency, this article introduces an innovative framework for the remanufacture of hydraulic drive system components, firmly rooted in the tenets of the circular economy. This method mixes cutting-edge additive manufacturing technologies, meticulous 3D scanning [...] Read more.
In response to the imperative of sustainability and resource efficiency, this article introduces an innovative framework for the remanufacture of hydraulic drive system components, firmly rooted in the tenets of the circular economy. This method mixes cutting-edge additive manufacturing technologies, meticulous 3D scanning techniques, and the rigorous discipline of reverse engineering to rebuild active elements within hydraulic drive systems. Fundamental to this framework is a resolute commitment to the repurposing of non-defective components, fostering a closed-loop system that systematically curtails waste generation and significantly diminishes the environmental footprint associated with hydraulic drive system maintenance. This article presents a meticulous examination of the remanufacturing process for a flowmeter, elucidating the intricate integration of additive manufacturing technology and the precision of 3D scanning to restore a previously damaged rotor. Through this interdisciplinary approach, we aim to elucidate the manner in which contemporary engineering practices can be harnessed to catalyze circularity, enhance resource efficiency, and increase sustainability within industrial operations. By demonstrating the efficacy of additive manufacturing and reverse engineering in hydraulic system remanufacturing, this article contributes significantly to the discourse on sustainable engineering methodologies, underlining their pivotal role in shaping a more environmentally conscientious, circular economy. Full article
(This article belongs to the Special Issue Hydraulic and Pneumatic Drives)
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22 pages, 7847 KiB  
Article
Reverse Engineering Used to Profile a Gerotor Pump Rotor
by Nicușor Baroiu, Virgil Gabriel Teodor, Viorel Păunoiu, Georgiana-Alexandra Moroșanu and Ionaș-Cătălin Dumitrescu
Appl. Sci. 2023, 13(19), 11069; https://doi.org/10.3390/app131911069 - 08 Oct 2023
Cited by 1 | Viewed by 1033
Abstract
In most situations, for the proper design of a gerotor pump, numerous parameters must be taken into account: the pump geometry, the properties of the materials from which the pumps are made (Young’s modulus, Poisson’s coefficient, friction coefficients, etc.), the hydraulic characteristics of [...] Read more.
In most situations, for the proper design of a gerotor pump, numerous parameters must be taken into account: the pump geometry, the properties of the materials from which the pumps are made (Young’s modulus, Poisson’s coefficient, friction coefficients, etc.), the hydraulic characteristics of the circulated fluids (fluid density, kinematic viscosity, etc.), the working performance of the pump (speed ranges, pressure, flow rate, etc.), with greater or lesser influence on volumetric efficiency, work capacity, or energy consumption. The paper presents a study regarding the inspection of the reciprocally enwrapping surfaces of the gerotor pumps using a three-dimensional measurement technique specific to reverse engineering, which involves 3D scanning of the pump components in gearing movement. The components were measured by means of a specific software (GOM Inspect) and compared, by overlap, with the CAD models made with the help of CATIA software (CATIA V5R21). At the same time, an analytical calculation algorithm was developed for the complementarity of virtual representations. Finally, the advantages of the reverse engineering technique compared to the developed theoretical algorithm and traditional CAD design are presented. Full article
(This article belongs to the Special Issue Hydraulic and Pneumatic Drives)
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33 pages, 4662 KiB  
Article
Power Drive Architectures for Industrial Hydraulic Axes: Energy-Efficiency-Based Comparative Analysis
by Monica Tiboni
Appl. Sci. 2023, 13(18), 10066; https://doi.org/10.3390/app131810066 - 06 Sep 2023
Viewed by 850
Abstract
In hydraulic systems, energy dissipation can be significant. The pressure losses that can occur in the hydraulic circuit, which are influenced by the adopted drive architecture, result in power consumption that is often significantly higher than that required by the mechanical system. This [...] Read more.
In hydraulic systems, energy dissipation can be significant. The pressure losses that can occur in the hydraulic circuit, which are influenced by the adopted drive architecture, result in power consumption that is often significantly higher than that required by the mechanical system. This paper presents a comparative study of the energy efficiency of five common drive architectures in industrial hydraulic axes. The analysis is applied to a variable speed and force hydraulic blanking press, a fairly common industrial system, e.g., in the manufacture of semi-finished brass products. Standard, regenerative, high–low, variable-displacement pumps and variable speed drive configurations for a fixed-displacement pump were analyzed and compared. In each case, an appropriate and optimized sizing of the different components of the system was performed, and then the energy consumption was estimated for a load cycle common to all the considered cases. The results show that the choice of the power generation architecture of the hydraulic system has a very significant impact on the energy efficiency and consequently on the operating costs and the carbon footprint. The performed quantification of the potential energy efficiency of the considered drive architectures can be very useful in helping to make energy-conscious decisions. Full article
(This article belongs to the Special Issue Hydraulic and Pneumatic Drives)
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