Results 51 to 60 of about 16,913 (164)

String-Wrapped Rotating Disks [PDF]

open access: yes, 2012
Let the centers of a finite number of disjoint, closed disks be pinned to the plane, but with each free to rotate about its center. Given an arrangement of such disks with each labeled + or −, we investigate the question of whether they can be all wrapped by a single loop of string so that, when the string is taut and circulates, it rotates by friction
openaire   +2 more sources

Mercury-plated rotating ring-disk electrode

open access: yesAnalytical Chemistry, 1983
The rotating ring-dlisk electrode (rrde) is a well-proven technique that has found a variety of applications (1). Firstly collection efficilency measurements perimit the kinetics and mechanism of the decomposition of species electrogenerated at the disk to be determined (2,3).
Daly, P, Page, D, Compton, R
openaire   +2 more sources

Hydrothermal analysis of MHD nanofluid (TiO2-GO) flow between two radiative stretchable rotating disks using AGM

open access: yesCase Studies in Thermal Engineering, 2019
Nanofluid flow between two stretchable and rotating disks with homogeneous and heterogeneous reactions and Joule heating is investigated in existence of magnetic field. Thermal radiation effect has been considered in energy equation.
M.R. Zangooee   +2 more
doaj   +1 more source

Strength of Rotating Disks

open access: yesTransactions of the Japan Society of Mechanical Engineers, 1952
The criterion for rupture of brittle materials like cast iron is σ=σB, where, σ is mean value of normal tensile stress on the surface of rupture ; the mean is generally a weighted mean, the effectiveness to the load being taken into account, and σB is ultimate tensile strength.
openaire   +2 more sources

Energy transfer aspects of chemically reactive Casson fluid between a conical gap of cone-disk system with multiple rotations

open access: yesResults in Engineering
Casson fluids have been widely used in engineering and biotechnology including, energy systems, polymer fluids, pharmaceuticals, chocolate, automotive industries, blood, and honey.
M. Qamar   +3 more
doaj   +1 more source

Heat transport in inclined flow towards a rotating disk under MHD. [PDF]

open access: yesSci Rep, 2023
Mahmud K   +5 more
europepmc   +1 more source

Stressed-deformed state of a rotating polar-orthotropic disk of constant thickness loaded with undistracted forces on the outer contour

open access: yesЖурнал Белорусского государственного университета: Математика, информатика, 2019
The work gives a solution of the plane elasticity problem for a rotating polar-orthotropic annular disk of a constant  thickness. The disk is loaded with a system of identical undistracted forces on the outer contour applied evenly along  the rim and ...
Uladzimir V. Karalevich   +1 more
doaj  

Exact Relativistic Magnetized Haloes around Rotating Disks

open access: yesAdvances in Mathematical Physics, 2015
The study of the dynamics of magnetic fields in galaxies is one of important problems in formation and evolution of galaxies. In this paper, we present the exact relativistic treatment of a rotating disk surrounded by a magnetized material halo.
Antonio C. Gutiérrez-Piñeres   +1 more
doaj   +1 more source

Implantable device with magnetically rotating disk for needle-free administrations of emergency drug. [PDF]

open access: yesBioeng Transl Med, 2023
Kim CR   +9 more
europepmc   +1 more source

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