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Comparison of electrorheological measurements based on different methods of electric field generation
- 1.0427857 - ÚH 2015 RIV DE eng J - Journal Article
Peer, Petra - Stěnička, M. - Filip, Petr - Pavlinek, V.
Comparison of electrorheological measurements based on different methods of electric field generation.
Applied Rheology. Roč. 24, č. 4 (2014), 42875-1-42875-4. ISSN 1430-6395. E-ISSN 1617-8106
R&D Projects: GA ČR(CZ) GAP105/11/2342
Institutional support: RVO:67985874
Keywords : rheology * electrorheology * rheometry * PANI powder * silicone oil
Subject RIV: BK - Fluid Dynamics
Impact factor: 1.078, year: 2014
http://www.ar.ethz.ch/TMPPDF/24394938472.192/ApplRheol_24_42875.pdf
Electrorheological measurements represent a key approach in characterizing the efficiency of electrorheological fluids. The rotational rheometers, the Physica MCR 501 (Anton Paar) equipped with an electrorheological cell and the Bohlin Gemini CVOR 150 (Malvern Instruments) modified for electrorheological experiments generate an electric field in two completely different ways. Each of the two generations has a specific influence on electrorheological measurements. The experimental data were obtained and compared for a suspension of polyaniline powders mixed (10 wt%) in silicone oil. For a concentric-cylinders arrangement, it was shown that the data are fully comparable for both rheometers. However, for a parallel-plate arrangement, the data using the Physica MCR 501 provide higher values in comparison with both the corresponding plate-plate data obtained with the Bohlin Gemini CVOR 150 and with the mutually comparable concentric cylinders data.
Permanent Link: http://hdl.handle.net/11104/0235694
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