Surrogate-based optimization design for surface texture of helical pair in helical hydraulic rotary actuator [PDF]
A good surface texture design can effectively improve the tribological performance of the helical pair within a helical hydraulic rotary actuator(HHRA).
Song Liu +4 more
doaj +2 more sources
Optimization of Manufacturing Processes by Reducing the Costs of Tools and Equipment on Hydraulically Operated High-Pressure Technological Lines [PDF]
Most technological manufacturing lines include hydraulically operated stationary tools, devices and equipment. During a manufacturing cycle, there are phases, usually short, in which part of the hydraulic cylinders of the drive systems concerned, with ...
Popescu Teodor Costinel +5 more
doaj +1 more source
Modern Techniques for Remanufacturing Hydraulic Equipment in the Context of Circular Economy and Energy Efficiency [PDF]
The article presents several current methods of remanufacturing hydraulic components, a trend that is encouraged, on the one hand, by concerns about reducing material consumption in the context of the circular economy - some of these materials being ...
Dumitrescu Cătălin +6 more
doaj +1 more source
Using CFD to improve the performance of a heat exchanger from a gasifier [PDF]
In this paper, a Computational Fluid Dynamics (CFD) analysis is performed on a gas-liquid heat exchanger fitted on a gasification equipment. The flow and temperature patterns are preliminary investigated using SolidWorks Flow Simulation software, in ...
Dumitrescu Liliana +5 more
doaj +1 more source
Considerations regarding the use of hydraulic drive systems in the construction and maintenance of wind turbines [PDF]
In the current world scientific-technical context, the boundaries between the applications of the various engineering fields are in a continuous movement and interweaving; the field of hydraulics is a representative one for this, lately hydrostatic ...
Radu Rădoi +3 more
doaj +1 more source
Obtaining thermal energy from renewable sources in rural areas using a combined energy system [PDF]
The article presents an energy system solution in which the heat energy required to get domestic hot water needed for a family home is obtained by the cumulative conversion of energy from 2 renewable sources: solar energy and biomass energy.
Dumitrescu Liliana +5 more
doaj +1 more source
Experimental research on a hot air generator working on the TLUD principle [PDF]
The current paper presents the processes of data acquisition and air temperature monitoring in the key points of a hot air generator working on the TLUD principle, which uses temperature sensors, a data acquisition board and an application developed in ...
Pavel Ioan +4 more
doaj +1 more source
Theoretical analysis of the dynamics of a nacelle drive system in order to optimize the system energy [PDF]
The paper presents the hydraulic system for the operation of a lifting platform in two constructive variants. One of the drive schemes is with energy recovery.
Dumitrescu Liliana +4 more
doaj +1 more source
The mass-flow-rate characteristics of high-pressure pneumatic servo valves (HPSVs) have an important effect on the dynamic performance of high-pressure servo systems.
Dijia Zhang +4 more
doaj +1 more source
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.
Alexandru-Polifron Chiriță +4 more
doaj +1 more source

