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One example of ferrofluid based energy harvesting is to place the ferrofluid inside a container to use external mechanical vibrations to generate electricity inside a coil wrapped around the container surrounded by a permanent magnet. [40] First a ferrofluid is placed inside a container that is wrapped with a coil of wire.
Ferrofluidic is the brand name of a staged magnetic liquid rotary sealing mechanism made by the Ferrotec Corporation. Ferrofluidic seals, also known as magnetic liquid rotary seals, are employed in various rotating equipment to facilitate rotary motion while ensuring a hermetic seal.
Sachiko Kodama (born 1970) is a Japanese artist. She is best known for her artwork using ferrofluid, a dark colloidal suspension of magnetic nano-particles dispersed in solution which remains strongly magnetic in its fluid. [1]
Ferrofluids can be used to transfer heat, since heat and mass transport in such magnetic fluids can be controlled using an external magnetic field.. B. A. Finlayson first explained in 1970 (in his paper "Convective instability of ferromagnetic fluids", Journal of Fluid Mechanics, 40:753-767) how an external magnetic field imposed on a ferrofluid with varying magnetic susceptibility, e.g., due ...
A magnetorheological fluid (MR fluid, or MRF) is a type of smart fluid in a carrier fluid, usually a type of oil. When subjected to a magnetic field, the fluid greatly increases its apparent viscosity, to the point of becoming a viscoelastic solid. [1]
Another application of magnetic nanoparticles is in the creation of ferrofluids. These are used in several ways. Ferrofluids can be used for targeted drug delivery in the human body. [78] The magnetization of the particles bound with drug molecules allows "magnetic dragging" of the solution to the desired area of the body.
A Scoubidou is a corkscrew-like tool that is used for the commercial harvesting of seaweed, whose invention is credited to Yves Colin in 1961. [1] The device consists of an iron hook attached to a hydraulic arm. [2] It superseded a common harvesting tool known as the guillotine shortly after its invention. [3]
Fionn Ferreira, whose full name is Fionn Miguel Eckardt Ferreira, [4] was born in Cork to boat-builder and modeller Anne Eckardt, from Germany and West Cork, [5] and boat-builder Rui Ferreira from Portugal, who had met in the UK in 1994 and settled in Ballydehob, County Cork.