The article introduces the structure and results of experimental research concerning a specifically constructed combined clutch with an electrorheological (ER) fluid, controlled by changing the strength of electric field. The clutch consists of over a dozen parallelly connected hydraulic clutches with ER fluid. The purpose of the experimental research is to identify the steady-state and dynamic characteristics which are vital in the construction process of the combined clutch, including the selection of the control system. Depending on which singular clutch of the combined clutch construction is the one where the electric field is generated, an increase or decrease of the torque value is obtained.
Purpose
– The main aim of the paper is the application of the selective laser sintering (SLS) method for fabrication of hydrodynamic torque converter (HTC) impellers.
Design/methodology/approach
– Establishing of assumptions for the impeller design process based on the HTC characteristics analysis, creation of the virtual solid model of HTC impellers, fabrication of HTC impellers by using the SLS method, investigation of the performance of HTC with fabricated impellers by using a test rig.
Findings
– The test results show that the SLS method can be successfully used for the fabrication of HTC impellers with 3D and flat blades.
Research limitations/implications
– The method application is limited to small diameters of HTC impellers depending on working area dimensions of SLS machine.
Practical implications
– The method can decrease the time and cost of fabrication of HTC impellers by using the SLS method.
Originality/value
– The application of the SLS method for fabrication of HTC impellers with 3D and flat blades.
NOWE MATERIAŁY I TECHNOLOGIE W BUDOWIE APARATURY CHEMICZNEJW artykule przedstawiono problemy związane z zastosowaniem nowych materiałów w konstruowaniu i wytwarzaniu aparatury chemicznej. Rozważania przeprowadzono w oparciu o zastosowanie tytanu jako nowego materiału.
NEW MATERIALS AND TECHNOLOGIES USED IN CHEMICAL EQUIPMENT DESIGNIn this paper the problems arising from the use of new materials in the design and manufacture of chemical apparatus are described based on industry examples.
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