Results 71 to 80 of about 25,796 (255)
Magnetic gears offer several advantages compared to mechanical gears,in terms of low noise,reduced maintenance,improved reliability and inherent overload protection,whilst having a high efficiency.Based on the discussion of the principle of the ...
宁文飞, 包广清, 王金荣
doaj
Fluid Field and Temperature Field Analysis of High Speed Magnetic Field Modulated Gears
When a high speed magnetic field modulated gear is working, eddy current loss and wind friction loss will occur in permanent magnet and magnet block. In order to study the flow field and temperature field in small gaps of high speed magnetic gears, a ...
Cheng Wenjie +3 more
doaj
Photonic polarization gears for ultra-sensitive angular measurements [PDF]
Quantum metrology bears a great promise in enhancing measurement precision, but is unlikely to become practical in the near future. Its concepts can nevertheless inspire classical or hybrid methods of immediate value.
Aolita, L. +9 more
core +2 more sources
Fueling Tomorrow: Scenario Planning for the Future of Gas Stations
ABSTRACT Transport electrification is reshaping the service infrastructures that mediate everyday mobility, yet most electrification scenario studies remain macrolevel and offer limited insight into how incumbent forecourt (gas‐station) networks can adapt under deep uncertainty.
Joao Gabriel Rosa +2 more
wiley +1 more source
As maritime transport electrifies, bidirectional charging (V2G) offers a dual‐purpose solution for energy resilience and economic viability. This work identifies key technological advancements and lifecycle challenges utilizing practical case studies to demonstrate how V2G systems can drive decarbonization and grid stability in the marine sector ...
Jonathan Bloor +3 more
wiley +1 more source
Energy harvesting from vehicular traffic over speed bumps: A review [PDF]
Energy used by vehicles to slow down in areas of limited speed is wasted. A traffic energy-harvesting device (TEHD) is capable of harvesting vehicle energy when passing over a speed bump. This paper presents a classification of the different technologies
Blanco-Fernandez, E. +3 more
core +3 more sources
A lightweight hybrid backpack integrating SC‐TENGs and R‐EMGs harvests biomechanical energy during walking. With a low activation speed of 3 km h−1 and a high specific power of 0.18 W kg−1, it enables self‐powered field safety management. The power backpack refers to an energy‐harvesting solution engineered to mitigate battery reliance in wearable ...
Jie Chen +6 more
wiley +1 more source
The design of reactive shielded magnet clutches [PDF]
The design of reactive shielded magnet clutches is considered along with their schematics, design formulas and characteristics of clutches in general. The design method suggested makes it possible to reduce calculation errors to 10%
Gertsov, S. M.
core +1 more source
Prediction of Pipeline Defect Depth and Classification Based on CatBoost
Obtaining detection data using in‐line pipeline inspection, the synthetic minority oversampling technique (SMOTE) is applied to expand the sample set, thereby increasing the number of minority‐class samples. This approach effectively improves minority‐class detection and enhances pipeline safety assessment. ABSTRACT Magnetic flux leakage detection is a
Cong Chen +3 more
wiley +1 more source
Theoretical analysis and optimal design of permanent magnet assisted magnetic gears
ObjectiveAiming at the problems of low structural strength of surface-mounted magnetic gears and large torque pulsation of convex pole magnetic gears, a permanent magnet assisted magnetic gear was proposed.MethodsFirstly, the basic structure and working ...
SHANGGUAN Xuanfeng +3 more
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