Fibre agglomerate transport in a horizontal flow


An experimental and theoretical study of the transport of mineral wool fibre agglomerates in nuclear power plant containment sumps is being performed. A racetrack channel was devised to provide data for the validation of numerical models, which are intended to model the transport of fibre agglomerates. The racetrack channel provides near uniform and steady conditions that lead to either the sedimentation or suspension of the agglomerates. Various experimental techniques were used to determine the velocity conditions and the distribution of the fibre agglomerates in the channel. The fibre agglomerates are modelled as fluid particles in the Eulerian reference frame. Simulations of pure sedimentation of a known mass and volume of agglomerations show that the transport of the fibre agglomerates can be replicated. The suspension of the fibres is also replicated in the simulations; however, the definition of the fibre agglomerate phase is strongly dependent on the selected density and diameter. Detailed information on the morphology of the fibre agglomerates is lacking for the suspension conditions, as the fibre agglomerates may undergo breakage and erosion. Therefore, ongoing work, which is described here, is being pursued to improve the experimental characterisation of the suspended transport of the fibre agglomerates.

Divisions: College of Engineering & Physical Sciences > Systems analytics research institute (SARI)
Additional Information: © and source: OECD
Event Title: CFD for Nuclear Reactor Safety Applications
Event Type: Other
Event Dates: 2010-09-14 - 2010-09-16
Last Modified: 26 Dec 2023 09:41
Date Deposited: 25 Jun 2012 09:38
Full Text Link: http://www.oecd ... pplications.pdf
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PURE Output Type: Conference contribution
Published Date: 2010-09-14
Authors: Cartland Glover, G. M. (ORCID Profile 0000-0002-2647-2757)
Krepper, E.
Kryk, H.
Weiss, F.–P.
Renger, S.
Seeliger, A.
Zacharias, F.
Kratzsch, A.
Alt, S.
Kästner, W.



Version: Published Version

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