Results 121 to 130 of about 12,334 (255)
[Main rotor of the XH-40] [PDF]
, 1957 Photograph of the main rotor of the XH-40 from a series of photos of the XH-40 co-op advertising, cannon plugs, heli coil screw lock insert, main rotor blade 114" brass extrusion, American Brass, aluminum main rotor grip, Joy Manufacturing Company fan ...
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Asia-Pacific Journal of Chemical Engineering, EarlyView.ABSTRACT A thermosetting in situ curing resin microsphere system has been developed. It has controllable phase transition time and particle size. This system addresses the current challenges of low strength, shear susceptibility, and short phase transition time in polymer microsphere blockers and thermoplastic particle blockers.
Baolei Jiao +5 more
wiley +1 more source
Zhongguo dianliThe operation of Fengning variable speed pumped storage units has made the main protection scheme of the rotor winding a hot issue. The multi-loop analysis method is used to simulate all possible internal faults in the rotor winding of the 12 kW AC ...
Jianing BAI +6 more
doaj +1 more source
Construction of Lean Coal Molecular Structure Model Based on Spectroscopic Characterization
Asia-Pacific Journal of Chemical Engineering, EarlyView.ABSTRACT The chemical structure of coal exerts a profound influence on its properties and utilization pathways. A comprehensive analysis of coal's molecular structure is crucial for mitigating environmental pollution arising from coal combustion and improving the efficiency of coal utilization.
Song Liu +5 more
wiley +1 more source
The use of passive telemetry in rotor fault diagnosis [PDF]
The sensors most commonly used for monitoring machine health are wired accelerometers because of their high performances and good stability. However, these transducers are usually large in size; require an external power source.
Arebi, Lufti
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Influence of Rotor Structure and Number of Phases on Torque and Flux Weakening Characteristics of V-Shape Interior PM Electrical Machine [PDF]
, 2011 Post publication CONGRES EVER2011 (International Conference and Exhibition on Ecological Vehicles and Renewable Energies 2011)This paper investigates the influence of the rotor structure on torque and flux weakening region of V-shape IPM (interior ...
VIGIER, Thimoté +4 more
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Multi-rotor floating wind turbine concepts : control co-design to ensure their feasibility [PDF]
Recently, several multi-rotor floating wind concepts have been developed, ranging from 2 to dozens of generators. Starting from the simplest one, its singular design (with a single point mooring) presents a critical challenge: aligning the platform with ...
Sandua-Fernández, Iñaki
core +1 more source
Asia-Pacific Journal of Chemical Engineering, EarlyView.ABSTRACT This study systematically investigates the cavitation characteristics of a novel sleeve‐shaft counterrotating (SSCR) hydrodynamic cavitation reactor using computational fluid dynamics (CFD). Based on the RANS framework combined with the SST k–ω turbulence model and the Zwart–Gerber–Belamri cavitation model, the temporal–spatial evolution of ...
Sitong Guan +7 more
wiley +1 more source
NUMERICAL ANALYSIS OF HUB AND FUSELAGE INTERFERENCE TO REDUCE HELICOPTER DRAG [PDF]
, 2012 A numerical investigation was carried out to predict the mutual interference between helicopter components. The investigation was based on the solution of RANS equations in three dimensions using unstructured grids.
Khier, Walid
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