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Title: Design optimisation of air-fed full pressurised suits
Authors: Edwards, P
Tesch, K
Karayiannis, TG
Collins, MW
Atherton, MA
Young, P
Large, M
Brade, R
Keywords: Pressurised-suit
Respirator protection
Publication Date: 2009
Publisher: Elsevier B.V.
Citation: Fusion Engineering and Design, 84(2-6): 716-721, June 2009. Proceeding of the 25th Symposium on Fusion Technology (SOFT-25)
Abstract: The JET machine and associated facilities require significant maintenance and enhancement installation activities in support of the experimental exploitation programme. A proportion of these activities are within radiological and respiratory hazardous environments. As such, breathing air-fed one-piece pressurised suits provide workers with protection from the inhalation of both airborne tritium and beryllium dust. The design of these suits has essentially developed empirically. There is a practical necessity to improve the design to optimise worker performance, protection and thermal comfort. This paper details the complexity of modeling the three-dimensional thermofluid domain between the inner surface of the suit and under garments that includes mass as well as heat transfer, suiting geometry, human metabolism and respiration and effects of limb movements. The methods used include computational fluid dynamics (CFD), theoretical adaptations of mixed-phase turbulent flow, profile scanning of a suit and actuating life size mannequin and data processing of the images and experimental validation trials. The achievements of the current programme and collaborations are presented in the paper and future endeavors are discussed.
Description: This article is a post-print version of the published article which may be accessed at the link below.
Sponsorship: The author gratefully acknowledges the loan of the articulated mannequin from the Defence Science and Technology Laboratories. This work was funded jointly by EPSRC and by the European Communities under the contract of Association between EURATOM and UKAEA. The views and opinions expressed herein do not necessarily reflect those of the European Commission. This work was carried out within the framework of EFDA.
ISSN: 0920-3796
Appears in Collections:Mechanical and Aerospace Engineering
Dept of Mechanical Aerospace and Civil Engineering Research Papers

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