Computational fluid dynamics analysis and experimental hemolytic performance of three clinical centrifugal blood pumps: Revolution, Rotaflow and CentriMag. [PDF]
Med Nov Technol Devices, 2022 Han D +6 more
europepmc +1 more source
Hover test of a full-scale hingeless rotor [PDF]
The performance and aeroelastic stability in hover of a 9.8-m diameter, hingeless helicopter rotor system was evaluated. Rotor performance and inplane damping data were obtained for rotor operation between 350 and 425 rpm for thrust coefficients (CT ...
Peterson, R. L., Warmbrodt, W.
core +1 more source
Rotorcraft research testing in the National Full-Scale Aerodynamics Complex at NASA Ames Research Center [PDF]
The unique capabilities of the National Full-Scale Aerodynamics Complex (NFAC) for testing rotorcraft systems are described. The test facilities include the 40- by 80-Foot Wind Tunnel, the 80- by 120-Foot Wind Tunnel, and the Outdoor Aerodynamic Research
Johnson, W., Smith, C. A., Warmbrodt, W.
core +1 more source
Design of an aircraft generator with radial force control. [PDF]
Open Res Eur, 2022 Brecher C +9 more
europepmc +1 more source
Multi-objective/loading optimization for rotating composite flexbeams [PDF]
With the evolution of advanced composites, the feasibility of designing bearingless rotor systems for high speed, demanding maneuver envelopes, and high aircraft gross weights has become a reality.
Hamilton, Brian K., Peters, James R.
core +1 more source
Optimization Design of an Axial Split-Phase Bearingless Flywheel Machine with Magnetic Sleeve and Pole-Shoe Tooth by RSM and DE Algorithm [PDF]
, 2020 Zhiying Zhu +4 more
openalex +1 more source
An experimental investigation of the aeromechanical stability of a hingeless rotor in hover and forward flight [PDF]
Analysis and testing were conducted in the Langley Transonic Dynamics Tunnel to investigate the aeromechanical stability of a soft inplane hingeless rotor model.
Hamouda, M-Nabil H. +2 more
core +1 more source
Research on the Modelling of a Single-winding Bearingless Permanent Magnet Brushless DC Motor
, 2021 Xiaowan Tu, Wenshao Bu, Qian Zeng
openalex +1 more source
Experimental evaluation of bearingless spinfilter topologies
Separation and Purification TechnologyRotating filter membranes can increase the long term filtrate flux by efficiently and continuously removing the retained particles on a microfiltration membrane. However, the practical implementation of rotating machinery in high purity applications such as biotechnological manufacturing of proteins raises concerns about the contamination of the ...
Lars Beglinger +4 more
openaire +2 more sources
An overview of drive systems and sealing types in stirred bioreactors used in biotechnological processes. [PDF]
Appl Microbiol Biotechnol, 2021 Schirmer C +3 more
europepmc +1 more source