Results 201 to 210 of about 69,648 (262)

Echinoderm‐Inspired Autonomy for Soft‐Legged Robots

Advanced Robotics Research, EarlyView.
Inspired by echinoderms, a modular soft robot achieves autonomous phototaxis without a central controller or explicit communication. Each limb independently adapts its actuation timing through local sensing and short‐term memory. Coordination emerges purely from physical interactions, demonstrating resilience to changes in morphology, environment, and ...
Harmannus A. H. Schomaker, Jelle de Vries, Johannes T. B. overvelde   +2 more
wiley   +1 more source

Strategy to step on obstacle during cross-country race to minimize overuse injury risk. [PDF]

PLoS One
Kang EH, Wilson DG, Petric JK, Ulman S.
europepmc   +1 more source

Biosurfactants direct the evolutionary dynamics of surface-associated microbial systems. [PDF]

Sci Adv
Ruan C, Xiong B, Vinod DP, Kan A, Wu J, Thakur MP, Johnson DR.   +6 more
europepmc   +1 more source

Significance of oscillatory TiO₂-water nanofluid and heat transfer performance over vertical magnetized flat plate using artificial neural network. [PDF]

Discov Nano
Ullah Z, Alam MM, Alamirew WD, Said MA, Alsulami MD, Mahrous YM, Gnaba HA, Hussain F.   +7 more
europepmc   +1 more source

Design, development, and performance evaluation of a vertical hydroponic system for fodder crop production and enhanced resource-use efficiency. [PDF]

BMC Plant Biol
Khan ZA, Khan JN, Gul A, Yousuf M, Kumar R, Ashraf U, Bhat OA, Hassan M, Sheikh ZN, Al-Dosary MA, Hussan MU, Alamri S, Siddiqui MH.   +12 more
europepmc   +1 more source

Numerical simulation study on the energy dissipation characteristics of energy-dissipating pile-anchor structures. [PDF]

PLoS One
Wang R, Luo T, Liu X, Zhou T, Ding X, Zhang B.   +5 more
europepmc   +1 more source

Microstructural Evolution and Mechanical Properties of AA2017 Aluminum Alloy Joints Produced by Rotary Friction Welding and TIG Welding. [PDF]

Materials (Basel)
Noga P, Kula A, Wiewióra M, Skrzekut T.
europepmc   +1 more source

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Friction in production the coefficient of friction μ the factor of friction m

Proceedings of the 10th International Scientific and Expert Conference, 2022
Is given in the paper mathematical representation of friction. Bowden-Tabor Theory for cold forming and Bowden Tabor Theory for hot forming Friction is sometimes helpful. For example, high friction on the punch surface helps increase reductions in deep drawing and ironing. In a few instances it has to have at least some small value, as in rolling where
Grizelj, Branko, grupa autora
  +6 more sources

On the Determination of the Coefficient of Friction and the Friction Factor by the Strip-Tension Friction Test

CIRP Annals, 1990
Abstract The strip tension friction test was used to investigate friction conditions in the forming of thin aluminum sheet without lubrication. In this test. which simulates metal flow around the leading face of a punch. the level of friction is judged based on tool-workpiece interaction when a metal strip, bent in the shape of a U.
K.J. Weinmann, S.R. Bhonsle, J. Gerstenberger   +2 more
openaire   +1 more source

Friction factor in a semifluidized bed

The Chemical Engineering Journal, 1982
Abstract Experimental data on pressure drop in liquid—solid semifluidization have been interpreted in terms of a newly defined friction factor (f), which has been successfully correlated as a function of particle Reynolds number.
A.N. Singh, P.Sen Gupta
openaire   +1 more source