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Energy Conversion and Management, ISSN 0196-8904, 11/2014, Volume 87, pp. 905 - 913
The paper refers to four-port solenoid pilot operated valves, which are subplate mounted in a hydraulic system in accordance with the ISO 4401 standard. Their... 
Directional control valve | Hydraulic valve | CFD analysis | Logic valve | FLUID DYNAMIC-ANALYSIS | MECHANICS | THERMODYNAMICS | ENERGY & FUELS | SPOOL | PHYSICS, NUCLEAR | SIMULATION | FLOW FORCES | Valves | Analysis | Design engineering | Spools | Software | Mathematical models | Logic | Directional control | Computer programs
Journal Article
Energy Conversion and Management, ISSN 0196-8904, 09/2016, Volume 123, pp. 15 - 28
The main objective of this article is to analyse the flow characteristics of a proportional flow control valve and to improve its characteristics by means of... 
Flow characteristics | Jet angle | Simulation | CFD analysis | Proportional flow control valve | DIRECTIONAL CONTROL VALVE | ENERGY & FUELS | FIELD | PHYSICS, NUCLEAR | MODEL | SERVO-VALVE | MECHANICS | THERMODYNAMICS | REDUCTION | FORCES | SPOOL VALVE | Valves | Analysis | Spools | Computer simulation | Flow control | Mathematical models | Throttles | Matlab
Journal Article
Energy Conversion and Management, ISSN 0196-8904, 01/2013, Volume 65, pp. 285 - 291
► Investigating the reduction of flow resistance by hydraulic directional valve. ► Replacing of directional spool valve by logic type valve mounted on the same... 
Directional control valve | Computational Fluid Dynamics | Logic valve | FLUID DYNAMIC-ANALYSIS | MECHANICS | THERMODYNAMICS | ENERGY & FUELS | PHYSICS, NUCLEAR | FORCES | Fluid dynamics | Valves | Analysis
Journal Article
Energy Conversion and Management, ISSN 0196-8904, 09/2015, Volume 101, pp. 658 - 665
This study aims to elaborate on specific computational fluid dynamics (CFD) simulation methods for fitting the flow-pressure curve of a pressure control valve,... 
Flow-pressure characteristic | Numerical method | Computational fluid dynamics | Pressure control valve | Fuel supply system | DIRECTIONAL CONTROL VALVE | VIBRATION | ENERGY & FUELS | PERFORMANCE | MECHANICS | THERMODYNAMICS | DYNAMICS | SPOOL | FORCES | Fluid dynamics | Valves | Analysis | Computer simulation | Dynamics | Mathematical analysis | Constants | Mathematical models | Dynamical systems
Journal Article
Energy Conversion and Management, ISSN 0196-8904, 06/2013, Volume 70, pp. 220 - 229
Solenoid direct operated spool type directional control valves are often used in various machines and equipment. A subject of the analysis presented in the... 
Flow range | Directional control valve | Operating limit | Flow forces | Direct control | Computational fluid dynamics (CFD) | MECHANICS | THERMODYNAMICS | ENERGY & FUELS | PHYSICS, NUCLEAR | MODEL | Valves | Analysis | Tasks | Spools | Computational fluid dynamics | Directional control | Solenoids | Channels | Three dimensional
Journal Article
Energy Conversion and Management, ISSN 0196-8904, 10/2015, Volume 103, pp. 1052 - 1064
The main subject of this article is pressure compensation in a multi-section proportional directional control valve. The undertaken compensation task was... 
Flow forces | Proportional directional control valve | Pressure compensation | CFD modelling | FLUID DYNAMIC-ANALYSIS | ENERGY & FUELS | PHYSICS, NUCLEAR | MODEL | SIMULATION | MECHANICS | THERMODYNAMICS | CFD ANALYSIS | SPOOL VALVE | Valves | Spools | Computer simulation | Mathematical analysis | Compensation | Mathematical models | Directional control | Matlab
Journal Article
Journal of Intelligent Material Systems and Structures, ISSN 1045-389X, 1/2012, Volume 23, Issue 2, pp. 155 - 167
Directional control valves are designed to control direction of flow, while actuators maintain required speeds and precise positions. Magnetorheological (MR)... 
4/3 MR directional control valve | MR valve design | magnetorheological (MR) fluid | FEM magnetic | SIMULATION | MATERIALS SCIENCE, MULTIDISCIPLINARY | Actuators | Design engineering | Computational fluid dynamics | Mathematical analysis | Fluid flow | Valves | Directional control | Magnetorheological fluids
Journal Article
Energy Conversion and Management, ISSN 0196-8904, 03/2016, Volume 112, pp. 1 - 10
In this paper, a servo motor operated rotary directional control valve is proposed, and a systematic analysis of steady flow torques in this valve is provided... 
Steady flow torques | Rotary directional control valve | Spool rotation angle | Flow rate | Pressure drop | FLUID DYNAMIC-ANALYSIS | DESIGN | ENERGY & FUELS | PHYSICS, NUCLEAR | MODEL | MECHANICS | THERMODYNAMICS | ORIFICE | CFD ANALYSIS | SPOOL | FORCES | Valves | Analysis | Spools | Mathematical analysis | Steady flow | Servocontrol | Directional control
Journal Article
Applied Acoustics, ISSN 0003-682X, 03/2019, Volume 146, pp. 23 - 30
Control valves are used to close off piping and prevent backflow. Radiated noise is generated when gas discharges through the check valves. In this study,... 
Water injection | Noise reduction | Control valve | ACOUSTICS | DIRECTIONAL CONTROL VALVE | HEAT-TRANSFER | IMPINGING JETS | SURFACE | TURBULENCE | FLOW FORCES | PREDICTION
Journal Article
Mechatronics, ISSN 0957-4158, 08/2015, Volume 29, pp. 87 - 95
In a hydraulic control system (herein, termed a major control loop), a proportional directional control (PDC) valve with spool position feedback may work in a... 
Input shaping filter | Dead-zone compensation | Proportional directional control valve | DESIGN | ADAPTIVE ROBUST-CONTROL | AUTOMATION & CONTROL SYSTEMS | COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCE | ENGINEERING, MECHANICAL | FLOW FORCES | ENGINEERING, ELECTRICAL & ELECTRONIC | Valves | Analysis | Control systems | Mechanical engineering
Journal Article
Proceedings of the Institution of Mechanical Engineers. Part I: Journal of Systems and Control Engineering, ISSN 0959-6518, 08/2018, Volume 232, Issue 8, pp. 983 - 993
In this study, a prediction-based positioning control scheme is proposed for the hydraulic cylinder controlled by a solenoid operated on/off directional... 
unknown friction | time-delay | Restricted control input | directional control valve | hydraulic positioning control | non-model-based identification | PNEUMATIC SYSTEMS | SOLENOID VALVES | ACTUATORS | MODEL-PREDICTIVE CONTROL | AUTOMATION & CONTROL SYSTEMS
Journal Article
Flow Measurement and Instrumentation, ISSN 0955-5986, 03/2017, Volume 53, pp. 269 - 278
The main objective of this article is to analyse flow coefficient of a proportional directional valve with integrated spool position controller. The valve... 
Directional valve | Spool position controller | Flow coefficient | CFD analysis | Proportional valve | DIRECTIONAL CONTROL VALVE | INSTRUMENTS & INSTRUMENTATION | FORCES | SPOOL VALVE | ENGINEERING, MECHANICAL | Valves | Analysis | Methods
Journal Article
Energy Conversion and Management, ISSN 0196-8904, 2006, Volume 47, Issue 1, pp. 114 - 131
The objective of the present paper is an experimental and numerical analysis of the driving forces on a 4/3 hydraulic open center directional control valve.... 
Open center directional control valve | Flow forces | Hydraulic transmission | flow forces | MECHANICS | THERMODYNAMICS | hydraulic transmission | ENERGY & FUELS | PHYSICS, NUCLEAR | open center directional control valve | Valves | Analysis
Journal Article
Flow Measurement and Instrumentation, ISSN 0955-5986, 03/2018, Volume 59, pp. 157 - 167
The main objective of this article was to analyse flow forces acting on a spool of a proportional control valve in the initial phase of the spool gap opening.... 
CFD | Flow forces | Proportional valve | Notches | DIRECTIONAL CONTROL VALVE | FLUID DYNAMIC-ANALYSIS | NOTCH | SIMULATION | ENGINEERING, MECHANICAL | SHAPE | INSTRUMENTS & INSTRUMENTATION | REDUCTION | CFD ANALYSIS | SPOOL VALVE
Journal Article
Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy, ISSN 0957-6509, 12/2017, Volume 231, Issue 8, pp. 706 - 720
This paper presents the regulation methods of flow forces acting on the main poppet in a large flow load control valve. The negative flow forces working on the... 
main poppet | Flow force | damping tail | load control valve | regulation | DIRECTIONAL CONTROL VALVE | FLUID DYNAMIC-ANALYSIS | COMPENSATION | ENGINEERING, MECHANICAL | SHAPE | REDUCTION | CFD ANALYSIS | FLAPPER | SPOOL | NOZZLE PILOT VALVE | Flow stability | Damping | Control | Computational fluid dynamics | Fluid dynamics | Structural stability | Mathematical analysis | Control valves | Control stability | Speed control
Journal Article
Energy Conversion and Management, ISSN 0196-8904, 12/2017, Volume 153, pp. 288 - 303
Multistage severe service control valves are extensively used in various energy systems, such as oil & gas, nuclear etc. The primary purpose of such valves is... 
Control valves | Flow capacity | Energy systems | Computational Fluid Dynamics (CFD) | Severe service | DIRECTIONAL CONTROL VALVE | MECHANICS | THERMODYNAMICS | ENERGY & FUELS | SIMULATION | FLOW FORCES | Valves | Analysis | Investigations
Journal Article
Energy Conversion and Management, ISSN 0196-8904, 2006, Volume 47, Issue 13, pp. 1748 - 1760
The aim of the present paper is the evaluation of the driving forces acting on a 4/3 hydraulic open center directional control valve spool by means of a... 
Computational fluid dynamics | Open centre directional control valve | Flow forces | flow forces | open centre directional control valve | MECHANICS | THERMODYNAMICS | computational fluid dynamics | ENERGY & FUELS | PHYSICS, NUCLEAR | Fluid dynamics | Valves | Analysis
Journal Article
Journal of Engineering for Gas Turbines and Power, ISSN 0742-4795, 02/2019, Volume 141, Issue 2
The control valve is an essential component of electronic unit pump (EUP) fuel injection systems; it controls the flow rate with high-precision electrical... 
unit pump control valve | flow characteristics | computational fluid dynamics | structure parameters | DIRECTIONAL CONTROL VALVE | CAVITATION | CFD ANALYSIS | SPRAY | ENGINEERING, MECHANICAL | FLOW FORCES
Journal Article
Energy Conversion & Management, ISSN 0196-8904, 01/2013, Volume 65, pp. 285 - 291
The aim of this paper is to investigate the reduction of flow resistance in a hydraulic system. The undertaken matter is focused on a spool type directional... 
Flow paths | Computational fluid dynamics | Pilots | Valves | Mathematical models | Logic | Pressure loss | Directional control
Journal Article
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