Fat Necrosis After Autologous Fat Transfer (AFT) to Breast: Comparison of Low-Speed Centrifugation with Sedimentation
Sign Up to like & getrecommendations! Published in 2018 at "Aesthetic Plastic Surgery"
DOI: 10.1007/s00266-018-1213-z
Abstract: BackgroundDespite the advantages of autologous fat transfer to the breast, there are many complications after the surgery, such as oil cysts, calcification and palpable breast nodules. The fat purification process is a key step to… read more here.
Keywords: fat necrosis; sedimentation; speed centrifugation; low speed ... See more keywords
Mitigating Oscillations in Hydraulic Pumping Systems by Using a Supplementary Damping Controller
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Control, Automation and Electrical Systems"
DOI: 10.1007/s40313-019-00481-y
Abstract: A feedback control strategy for mitigating pressure oscillations in centrifugal pumping systems is proposed herein. Severe system damage may occur if such oscillations are not adequately damped. According to the experimental data observed, this dominant… read more here.
Keywords: control; speed; low speed; controller ... See more keywords
Low-speed preconditioning for strongly coupled integration of Reynolds-averaged Navier–Stokes equations and two-equation turbulence models
Sign Up to like & getrecommendations! Published in 2018 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2018.03.015
Abstract: Abstract Computational fluid dynamics codes using the density-based compressible flow formulation of the Navier–Stokes equations have proven to be very successful for the analysis of high-speed flows. However, solution accuracy degradation and, for explicit solvers,… read more here.
Keywords: integration; stokes equations; equation turbulence; speed ... See more keywords
Low speed longitudinal aerodynamic, static stability and performance analysis of a hypersonic waverider
Sign Up to like & getrecommendations! Published in 2020 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2019.105531
Abstract: Abstract Hypersonic waveriders have the potential to significantly reduce travel times on long haul civilian transport routes. The design of hypersonic aircraft is heavily influenced by the aerodynamic efficiency at the cruise Mach number, resulting… read more here.
Keywords: stability; centre gravity; low speed; stability performance ... See more keywords
Effects of the radial blade loading distribution and B parameter on the type of flow instability in a low-speed axial compressor
Sign Up to like & getrecommendations! Published in 2018 at "Chinese Journal of Aeronautics"
DOI: 10.1016/j.cja.2018.05.003
Abstract: Abstract Previous studies showed that an axisymmetric hub-initiated disturbance defined as partial surge may initiate the stall of a transonic compressor; to reveal the instability evolution under full-span incompressible flow for different levels of hub… read more here.
Keywords: compressor; stall; hub; parameter ... See more keywords
Performance evaluation of nonlinear Kalman filtering techniques in low speed brushless DC motors driven sensor-less positioning systems
Sign Up to like & getrecommendations! Published in 2017 at "Control Engineering Practice"
DOI: 10.1016/j.conengprac.2017.01.004
Abstract: Abstract Appropriate position estimation of electric actuator is one of the most important stages in the control and automation processes. Considering various applications including robotics and automotive systems, Brushless DC (BLDC) motors sensor-less positioning is… read more here.
Keywords: kalman filtering; sensor less; performance; less positioning ... See more keywords
A methodology for low-speed broadband rotational energy harvesting using piezoelectric transduction and frequency up-conversion
Sign Up to like & getrecommendations! Published in 2017 at "Energy"
DOI: 10.1016/j.energy.2017.02.115
Abstract: Energy harvesting from vibration for low-power electronics has been investigated intensively in recent years, but rotational energy harvesting is less investigated and still has some challenges. In this paper, a methodology for low-speed rotational energy… read more here.
Keywords: methodology; energy; frequency; rotational energy ... See more keywords
Research on Speed Oscillation of Ultra-Low Speed Turntable in Aerospace Due to Limited Resolution Encoder
Sign Up to like & getrecommendations! Published in 2019 at "IFAC-PapersOnLine"
DOI: 10.1016/j.ifacol.2019.11.263
Abstract: Abstract A lot of motor direct-drive turntables used in aerospace operate at ultra-low speed and require high speed precision. Thus, the limited encoder resolution becomes critical to the speed estimation of the turntable system. In… read more here.
Keywords: resolution; ultra low; speed oscillation; speed ... See more keywords
Experimental study on fabricating spirals microelectrode and micro-cutting tools by low speed wire electrical discharge turning
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Materials Processing Technology"
DOI: 10.1016/j.jmatprotec.2018.04.007
Abstract: Abstract This study is focused on the fabrication of spirals microelectrode and spirals micro-cutting tools by using low speed wire electrical discharge turning (LS-WEDT). Firstly, the concept, movement relationship and machining principle of LS-WEDT process… read more here.
Keywords: speed; spirals microelectrode; micro cutting; cutting tools ... See more keywords
Development and optimization of low-speed and high-efficiency permanent magnet generator for micro hydro-electrical generation system
Sign Up to like & getrecommendations! Published in 2020 at "Renewable Energy"
DOI: 10.1016/j.renene.2019.09.049
Abstract: Abstract In this paper, a low-speed and high-efficiency permanent magnet generator (LHPM generator) for micro hydro-electrical generation system was developed, and two different low-speed generators by using silicon steel and SPCC core (Common Cold Steel… read more here.
Keywords: generator; speed high; low speed; high efficiency ... See more keywords
A proposed test of special-relativistic mechanics at low speed
Sign Up to like & getrecommendations! Published in 2017 at "Results in physics"
DOI: 10.1016/j.rinp.2016.12.035
Abstract: Abstract We show that the difference between the Newtonian and special-relativistic predictions for the angular position increases linearly with time for a charged particle moving at low speed in a circular path in a constant… read more here.
Keywords: proposed test; low speed; mechanics; special relativistic ... See more keywords