Machines, 2021 The dry lubricated bump-type foil air bearing enables a carrying load capacity due to a pressure build up in a convergent air film. Since the air bearing provides low power dissipation above the lift-off speed and the flexible foil provides an adaptivity
Fabian Walter, Michael Sinapius
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Intelligent Smartphone based system for detecting speed bumps and reducing car speed
MATEC Web of Conferences, 2016 Although speed bumps are used to force drivers reduce car speed for avoiding accidents, these bumps may cause car crash or accident when drivers do not notice them. Studies have proposed different methods to detect bumps and alert drivers. However, these
Daraghmi Yousef-Awwad, Daadoo Motaz
doaj +1 more source
Aerodynamic Drag Reduction on Speed Skating Helmet by Surface Structures
Applied Sciences, 2022 The aerodynamic drag for speed skating helmets with surface structures was investigated in this work by using numerical and experimental methods. Computational fluid dynamic (CFD) research was performed to analyze the detail of the flow field around the ...
Yanqing Wang +5 more
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Thermal Characteristics Study of the Bump Foil Thrust Gas Bearing
Applied Sciences, 2021 In this paper, a thermo-hydrodynamic model of the bump foil thrust gas bearing is developed, which solves the coupled gas film three-dimensional energy equation, non-isothermal Reynolds equation, and the foil deformation equation.
Xiaomin Liu +3 more
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Flow visualisation of a normal shock impinging over a rounded contour bump in a Mach 1.3 free-stream [PDF]
, 2016 An experimental study has been conducted to visualise the instantaneous streamwise and spanwise flow patterns of a normal shock wave impinging over a rounded contour bump in a Mach 1.3 free-stream.
Kontis, Konstantinos, Lo, Kin Hing
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Optimal regulation of bipedal walking speed despite an unexpected bump in the road. [PDF]
PLoS ONE, 2018 Bipedal locomotion may occur over imperfect surfaces with bumps or other features that disrupt steady gait. An unexpected bump in the road is generally expected to slow down most types of locomotion.
Osman Darici +2 more
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Improvement of Boeing Bump Method Considering Aircraft Vibration Superposition Effect
Applied Sciences, 2021 Pavement evaluation is critical for the decision-making process of pavement preservation and rehabilitation. Roughness is a key airport pavement characteristic that has been linked to impacts such as safety and service life. The Boeing Bump is one of the
Shifu Liu +4 more
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The hydraulic bump: The surface signature of a plunging jet [PDF]
, 2013 When a falling jet of fluid strikes a horizontal fluid layer, a hydraulic jump arises downstream of the point of impact provided a critical flow rate is exceeded.
Bélanger J. +4 more
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Rancang Bangun Prototipe Pemanen Energi Getaran pada Speed Bump Menggunakan Tranducer Piezoelectric
Medika Teknika, 2022 Listrik adalah salah satu aspek penting bagi manusia untuk menjalankan segala kegiatan sehari-hari. Seiring dengan terus meningkatnya jumlah penduduk, maka kebutuhan akan pemakaian energi listrik juga semakin meningkat.
Legenda Prameswono Pratama +2 more
doaj +1 more source
Body Travel Performance Improvement of Space Vehicle Electromagnetic Suspension System using LQG and LQI Control Methods [PDF]
, 2020 Electromagnetic suspension system (EMS) is mostly used in the field of high-speed vehicle. In this paper, a space exploring vehicle quarter electromagnetic suspension system is modelled, designed and simulated using linear quadratic optimal control ...
Jibril, Mustefa
core