Results 91 to 100 of about 34,402 (164)

Mechanism of rail potential imbalance in long tunnel based on GA and analysis of improvement and optimization measures

open access: yesResults in Engineering
As the quick advancement of urban rail transit, the power supply safety is gradually receiving attention. In the direct-current traction power supply system, the abnormal increase in rail potential is very significant, seriously affecting the regular ...
Changyu Pan
doaj   +1 more source

Stellar Cruise Control: Weakened Magnetic Braking Leads to Sustained Rapid Rotation of Old Stars

open access: yesThe Astrophysical Journal
Despite a growing sample of precisely measured stellar rotation periods and ages, the strength of magnetic braking and the degree of departure from standard (Skumanich-like) spin-down have remained persistent questions, particularly for stars more ...
Nicholas Saunders   +10 more
doaj   +1 more source

New insights into error field assessment from mode coupling effects based on RMP spectrum scanning experiments in EAST

open access: yesNuclear Fusion
Numerical simulations concerning the spectrum of resonant magnetic perturbation (RMP) on field penetration threshold in EAST are presented, since the underlying physics is not well understood by the linear response model.
Cheng Ye   +5 more
doaj   +1 more source

Behavior of aircraft antiskid breaking systems on dry and wet runway surfaces: A slip-ratio-controlled system with ground speed reference from unbraked nose wheel [PDF]

open access: yes
An experimental investigation was conducted at the Langley aircraft landing loads and traction facility to study the braking and cornering response of a slip ratio controlled aircraft antiskid braking system with ground speed reference derived from an ...
Stubbs, S. M., Tanner, J. A.
core   +1 more source

Baseline tests of the AM General DJ-5E electruck electric delivery van [PDF]

open access: yes
An electric quarter ton truck designed for use as a postal delivery vehicle was tested to characterize the state of the art of electric vehicles. Vehicle performance test results are presented. It is powered by a single-module, 54 volt industrial battery
Dustin, M. O.   +2 more
core   +1 more source

Integrated methodology for correlating dynamic parameters with wheel wear progression in a scaled railway system. [PDF]

open access: yesMethodsX
Sandoval-Valencia TE   +4 more
europepmc   +1 more source

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