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Mechanochemical active ratchet
Published 2023-11-01“…The net motion along the easy direction of the ratchet potential arises from the coupling of chemical and mechanical processes and is triggered by a constant, transverse to the ratchet, force. …”
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Ratcheting droplet pairs
Published 2020“…Lett. 82, 44001 (2008)] demonstrated that when a pair of levitating drops of unequal size are placed nearby, they interact through their common wavefield in such a way as to self-propel through a ratcheting mechanism. We present the results of an integrated experimental and theoretical investigation of such ratcheting pairs. …”
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Ratchetting of composite pipes
Published 2007“…The uniaxial ratchetting characteristics of fibre glass reinforced epoxy laminate have been investigated in the present project. …”
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Harmonic ratcheting for fast acceleration
Published 2014-04-01“…Harmonic ratcheting also has straightforward performance advantages, depending on the particular parameter set at hand. …”
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Ratcheting and tumbling motion of Vibrots
Published 2016-01-01“…By means of finite element simulations, we reveal the driving mechanism for both cases which may be correspondingly identified as ratcheting and tumbling . The transition between both modes resembles period doubling in certain bouncing ball problems leading eventually to chaotic motion in such systems.…”
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Experimental realization of Feynman’s ratchet
Published 2018-01-01Subjects: “…Feynman’s ratchet…”
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Systemic risk and the refinancing ratchet effect
Published 2017“…The combination of rising home prices, declining interest rates, and near-frictionless refinancing opportunities can create unintentional synchronization of homeowner leverage, leading to a “ratchet” effect on leverage because homes are indivisible and owner-occupants cannot raise equity to reduce leverage when home prices fall. …”
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