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View article: The Herschel-Quincke tube with modulated branches
The Herschel-Quincke tube with modulated branches Open
The Herschel-Quincke (HQ) tube concept for transmission loss in pipe systems is expanded to include cases of branches with modulated properties. Modulated waveguides, featuring corrugations in their geometry or speed of sound, are known to…
View article: The HEV Ventilator: at the interface between particle physics and biomedical engineering
The HEV Ventilator: at the interface between particle physics and biomedical engineering Open
A high-quality, low-cost ventilator, dubbed HEV, has been developed by the particle physics community working together with biomedical engineers and physicians around the world. The HEV design is suitable for use both in and out of hospita…
View article: Busbar technology development for the HL-LHC inner triplet magnets
Busbar technology development for the HL-LHC inner triplet magnets Open
The busbars for the HL-LHC magnets are made of Nb-Ti/Cu conductor, the insulation system, and the auxiliary equipment to align the busbars with respect to the magnet coldmasses. This paper presents design options concerning the integration…
View article: Design and construction of a continuous impregnation apparatus of woven fibres, using non-meshing double-sinusoidal toothed rollers
Design and construction of a continuous impregnation apparatus of woven fibres, using non-meshing double-sinusoidal toothed rollers Open
Resin-impregnated fibres are extensively used in a variety of industrial applications as is demonstrated in the literature. Resin-fibre impregnation techniques are used in order to create homogeneous macro – materials and to take full adva…
View article: Dynamic modelling and torque ripple minimization of a lightweight ultra-high transmission ratio harmonic drive
Dynamic modelling and torque ripple minimization of a lightweight ultra-high transmission ratio harmonic drive Open
Harmonic drives have been of significant importance in many industrial and high-end applications including robotics, aerospace and manufacturing. Their unique characteristics combine high torque capabilities, high to ultra-high transmissio…
View article: Modeling and optimization of the delivery fluctuation of gear pumps
Modeling and optimization of the delivery fluctuation of gear pumps Open
Presented work aims to minimize the delivery fluctuation of a gear pump through geometrical optimisation of the tooth flank. Therefore, instead of examining various configurations, which would reduce the flow ripple ad hoc, the current stu…
View article: Fast modelling and simulation of the dynamic behaviour of a wet multidisc clutch during the engagement phase
Fast modelling and simulation of the dynamic behaviour of a wet multidisc clutch during the engagement phase Open
In recent years multidisc wet friction clutches are of great importance to manufacturers of automatic transmissions (ATs) for the automotive industry, particularly since the introduction of double-clutched ATs. Their main advantage compare…
View article: Design of a new-concept conical positive displacement slurry pump for continuous de-clogging
Design of a new-concept conical positive displacement slurry pump for continuous de-clogging Open
Slurry pumps are extensively used in the construction industry while positive displacement screw pumps are used in most mobile concrete pump applications. The aggregate size is known to significantly affect pump performance in terms of clo…
View article: Analysis and design exploration of single stage compound stepped planetary gear transmissions
Analysis and design exploration of single stage compound stepped planetary gear transmissions Open
High-ratio compound stepped planetary transmissions are typically characterised by poor overall efficiencies, even if the individual mesh efficiencies are high, because of the very high sliding velocities imposed by the kinematics of their…