Abstract
The methodology of experimental investigation of thermogravitational and thermomagnetic convection in ferrofluids is discussed. The necessary physical conditions for the observation of thermomagnetic convection in external uniform magnetic field are identified. The methods of registering heat fluxes and visualising convection flow patterns in nontransparent ferrofluids are discussed. Various designs of experimental chambers, sensors and measuring devices are presented, and the main features distinguishing the behaviour of magneto-polarisable fluids from that of their non-magnetic counterparts are highlighted. Specifically, the influence of the working chamber geometries, sizes and boundaries on the distribution of a magnetic field inside cavities and thus on the characteristics of the arising convective flows and heat transfer is emphasised.
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Bozhko, A.A., Suslov, S.A. (2018). Experimental Methodology. In: Convection in Ferro-Nanofluids: Experiments and Theory. Advances in Mechanics and Mathematics, vol 40. Springer, Cham. https://doi.org/10.1007/978-3-319-94427-2_4
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