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Energies
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Computer-Aided Design of Hydraulic Systems
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Computer-Aided Design of Hydraulic Systems

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "F5: Artificial Intelligence and Smart Energy".

Deadline for manuscript submissions: closed (30 September 2022) | Viewed by 7387

Special Issue Editors

Prof. Dr. Edward Lisowski

E-Mail Website
Guest Editor
Faculty of Mechanical Engineering, Cracow University of Technology, Jana Pawła II 37, 31-864 Cracow, Poland
Interests: computer-aided design; fluid power; hydraulic
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Grzegorz Filo

E-Mail Website
Guest Editor
Faculty of Mechanical Engineering, Cracow University of Technology, Jana Pawła II 37, 31-864 Cracow, Poland
Interests: object-oriented programming; hydraulics; fuzzy logic; programming languages; artificial intelligence; control systems; Matlab-Simulink simulation
Special Issues, Collections and Topics in MDPI journals
Dr. Filip Lisowski

E-Mail Website
Guest Editor
Faculty of Mechanical Engineering, Cracow University of Technology, Jana Pawła II 37, 31-864 Cracow, Poland
Interests: machine design; finite element analysis; design optimization
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The Guest Editors have the honor to invite you to submit an article to this Special Issue of Energies in the field of “Computer-Aided Design of Hydraulic Systems”. Hydraulic drive and control systems are widely used in vehicles, working machines, as well as various industrial devices. They enable obtaining large driving forces and moments, as well as precise control of the velocity and position of actuators. The primary energy transfer medium in these systems can be hydraulic oil, emulsion water or demineralized water. Currently, hydraulic drive and control systems are being developed very dynamically. There is a great industry demand for hydraulic components with increasingly better characteristics, reduced flow losses, lowered leaks, and greater overall efficiency. When considering new solutions, two main research directions can be distinguished: studies of entire hydraulic systems or examination of individual components. These are usually complex processes that require the use of various types of computer-aided systems, including software for 3D modeling, flow simulations, strength analyses, fatigue and thermal calculations, design of neural networks or fuzzy logic systems. The research results are of great practical importance, since they are widely used by manufacturers of hydraulic components and systems.

The Special Issue is mainly focused on but not limited to the following topics:

  1. Calculation of flow losses through hydraulic components;
  2. Estimation of hydrodynamic reactions;
  3. Design of interactive databases of hydraulic systems;
  4. Hydraulic system flow simulations;
  5. Leaks related to deformation of pumps and hydraulic motors;
  6. Leaks in control valves, including spool valves and poppet valves;
  7. Fatigue tests of pump bodies, valve bodies, and motor bodies;
  8. Reduction of pulsation in displacement pumps;
  9. Hydraulic control systems using logic valves;
  10. Geometrical optimization of pressure valves and directional valves;
  11. Hydraulic control systems using flow control valves;
  12. Proportional technique—component development;
  13. Accuracy improvement of safety valves;
  14. Reduction of losses in hydraulic cylinders;
  15. Development of hydraulic drives of heavy-duty machines (excavators, loaders, etc.);
  16. Development of hydraulic drives of manipulators and robots;
  17. Hydraulic drives of low-power and high-power presses;
  18. Hydraulic drives of elevators and cranes;
  19. Hydraulic system optimization involving genetic algorithms;
  20. Hydraulic system modelling and control using neural networks and fuzzy logic.

Prof. Dr. Edward Lisowski
Prof. Dr. Grzegorz Filo
Dr. Filip Lisowski
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. Energies 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 2600 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

  • Computer-aided design
  • Computational fluid dynamics
  • Hydraulic systems design
  • Flow simulation
  • Flow forces
  • Leakage
  • Optimization
  • Pressure loss reduction
  • Proportional valve design
  • Hydraulic control systems
  • Neural networks
  • Fuzzy logic

Published Papers (3 papers)

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Research

17 pages, 4732 KiB  
Article
Analysis of Energy Loss on a Tunable Check Valve through the Numerical Simulation
by Edward Lisowski, Grzegorz Filo and Janusz Rajda
Energies 2022, 15(15), 5740; https://doi.org/10.3390/en15155740 - 8 Aug 2022
Cited by 3 | Viewed by 1923
Abstract
The article presents a study of the flow through a tunable check valve used as a hydraulic lock in a system with an actuator. Special attention is given to energy losses of the liquid stream in the poppet gap. In the first stage [...] Read more.
The article presents a study of the flow through a tunable check valve used as a hydraulic lock in a system with an actuator. Special attention is given to energy losses of the liquid stream in the poppet gap. In the first stage of the research, CFD methods were used to determine the speed and pressure distributions for the fixed values of the input flow rate and the poppet position. The values of the jet angle and pressures determined based on the CFD results were used to build a simulation model of the entire hydraulic system in Matlab/Simulink environment. The influence of the spring parameters pressing the poppet against the valve seat on the pressure drop and thus on the amount of energy lost was investigated. In particular, the spring stiffness and initial tension were studied. The obtained results were used to develop guidelines for constructing a valve prototype. Finally, the results of simulation tests were verified based on the actual valve characteristic obtained on a test bench. Full article
(This article belongs to the Special Issue Computer-Aided Design of Hydraulic Systems)
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14 pages, 1911 KiB  
Article
Analysis of the Energy Efficiency Improvement in a Load-Sensing Hydraulic System Built on the ISO Plate
by Edward Lisowski, Grzegorz Filo and Janusz Rajda
Energies 2021, 14(20), 6735; https://doi.org/10.3390/en14206735 - 16 Oct 2021
Cited by 8 | Viewed by 1762
Abstract
The article presents a proposal to reduce energy consumption in a hydraulic system with a single pump and multiple receivers. The proposed Load-Sensing Basic (LSB) solution consists of expanding a typical hydraulic system by using additional logic valves and a dedicated differential valve. [...] Read more.
The article presents a proposal to reduce energy consumption in a hydraulic system with a single pump and multiple receivers. The proposed Load-Sensing Basic (LSB) solution consists of expanding a typical hydraulic system by using additional logic valves and a dedicated differential valve. The modification is aimed at decrease in operating pressure and, thus, reduction in energy consumption. The LSB system is compact as all components are built on a single ISO plate. A detailed mathematical model of the system was formulated, then a simulation model was built and numerical tests were carried out in the Matlab/Simulink environment. The obtained results indicate that the use of the proposed LSB system for the implementation of typical working cycles with three actuators may reduce energy consumption by 4–30%, and under certain conditions even up to 70%. Full article
(This article belongs to the Special Issue Computer-Aided Design of Hydraulic Systems)
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14 pages, 4352 KiB  
Article
Design and Flow Analysis of an Adjustable Check Valve by Means of CFD Method
by Grzegorz Filo, Edward Lisowski and Janusz Rajda
Energies 2021, 14(8), 2237; https://doi.org/10.3390/en14082237 - 16 Apr 2021
Cited by 15 | Viewed by 2946
Abstract
The article presents results of research on an adjustable check valve. In particular, the article deals with improvement of flow characteristics and reduction in pressure losses of an existing valve design. The subject of the research was the valve body in the form [...] Read more.
The article presents results of research on an adjustable check valve. In particular, the article deals with improvement of flow characteristics and reduction in pressure losses of an existing valve design. The subject of the research was the valve body in the form of a steel block intended for mounting a typical cartridge valve insert. Two variants of the valve body were analysed: a standard one, which is currently in production, and the proposed new solution, in which the geometry was modified based on the results of CFD simulations. The main research task was to properly shape and arrange holes and flow channels inside the body, between the cartridge valve and the connecting plate. Using CFD analyses, a solution for minimising the flow resistance was sought and then the method of modifying flow channels geometry was developed. The CFD simulation results showed a significant reduction in pressure loss, up to 40%. The obtained simulation results were verified on a test bench using a prototype of the proposed valve block. A high degree of consistency in the results of CFD simulations and laboratory experiments was achieved. The relative difference between simulation and experimental results in the entire considered range of the flow rate did not exceed 6.0%. Full article
(This article belongs to the Special Issue Computer-Aided Design of Hydraulic Systems)
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