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Compact viscometer prototype for remote in-situ analysis of sludge

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Compact viscometer prototype for remote in-situ analysis of sludge. / Fried, Tomas; Cheneler, David; Monk, Stephen D.; Taylor, C. James; Dodds, Jonathan.

In: Sensors, Vol. 19, No. 15, 3299, 26.07.2019.

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@article{118261bc241c468d8a9f4d935d68ce2a,
title = "Compact viscometer prototype for remote in-situ analysis of sludge",
abstract = "On the Sellafield site there are a number of legacy storage tanks and silos containing sludge of uncertain properties. While there are efforts to determine the chemical and radiological properties of the sludge, in order to clean out and decommission these vessels the physical properties need to be ascertained as well. Shear behaviour, density and temperature are the key parameters to be understood before decommissioning activities commence. However, limited access, the congested nature of the tanks and presence of radioactive, hazardous substances severely limit sampling and usage of sophisticated characterisation devices within these tanks and therefore these properties remain uncertain. This paper describes the development of a cheap, compact and robust device to analyse the rheological properties of sludge, without the need to extract materials from the site in order to be analysed. Analysis of a sludge test material has been performed in order to create a suitable benchmark material for the rheological measurements with the prototype. Development of the device is being made with commercial off the shelf (COTS) components and modern rapid prototyping techniques. Using these techniques an initial prototype for measuring shear parameters of sludge has been developed, using a micro-controller for remote control and data gathering. The device is also compact enough to fit through a 75 mm opening, maximising deployment capabilities.",
keywords = "rheology, nuclear decommissioning, rapid prototyping",
author = "Tomas Fried and David Cheneler and Monk, {Stephen D.} and Taylor, {C. James} and Jonathan Dodds",
year = "2019",
month = jul,
day = "26",
doi = "10.3390/s19153299",
language = "English",
volume = "19",
journal = "Sensors",
issn = "1424-8220",
publisher = "Multidisciplinary Digital Publishing Institute (MDPI)",
number = "15",

}

RIS

TY - JOUR

T1 - Compact viscometer prototype for remote in-situ analysis of sludge

AU - Fried, Tomas

AU - Cheneler, David

AU - Monk, Stephen D.

AU - Taylor, C. James

AU - Dodds, Jonathan

PY - 2019/7/26

Y1 - 2019/7/26

N2 - On the Sellafield site there are a number of legacy storage tanks and silos containing sludge of uncertain properties. While there are efforts to determine the chemical and radiological properties of the sludge, in order to clean out and decommission these vessels the physical properties need to be ascertained as well. Shear behaviour, density and temperature are the key parameters to be understood before decommissioning activities commence. However, limited access, the congested nature of the tanks and presence of radioactive, hazardous substances severely limit sampling and usage of sophisticated characterisation devices within these tanks and therefore these properties remain uncertain. This paper describes the development of a cheap, compact and robust device to analyse the rheological properties of sludge, without the need to extract materials from the site in order to be analysed. Analysis of a sludge test material has been performed in order to create a suitable benchmark material for the rheological measurements with the prototype. Development of the device is being made with commercial off the shelf (COTS) components and modern rapid prototyping techniques. Using these techniques an initial prototype for measuring shear parameters of sludge has been developed, using a micro-controller for remote control and data gathering. The device is also compact enough to fit through a 75 mm opening, maximising deployment capabilities.

AB - On the Sellafield site there are a number of legacy storage tanks and silos containing sludge of uncertain properties. While there are efforts to determine the chemical and radiological properties of the sludge, in order to clean out and decommission these vessels the physical properties need to be ascertained as well. Shear behaviour, density and temperature are the key parameters to be understood before decommissioning activities commence. However, limited access, the congested nature of the tanks and presence of radioactive, hazardous substances severely limit sampling and usage of sophisticated characterisation devices within these tanks and therefore these properties remain uncertain. This paper describes the development of a cheap, compact and robust device to analyse the rheological properties of sludge, without the need to extract materials from the site in order to be analysed. Analysis of a sludge test material has been performed in order to create a suitable benchmark material for the rheological measurements with the prototype. Development of the device is being made with commercial off the shelf (COTS) components and modern rapid prototyping techniques. Using these techniques an initial prototype for measuring shear parameters of sludge has been developed, using a micro-controller for remote control and data gathering. The device is also compact enough to fit through a 75 mm opening, maximising deployment capabilities.

KW - rheology

KW - nuclear decommissioning

KW - rapid prototyping

U2 - 10.3390/s19153299

DO - 10.3390/s19153299

M3 - Journal article

VL - 19

JO - Sensors

JF - Sensors

SN - 1424-8220

IS - 15

M1 - 3299

ER -