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ESS target helium experiments at Lund University

Nilsson, Per LU ; Schönborn, Alessandro LU and Klingmann, Jens LU (2016) 2016 24th International Conference on Nuclear Engineering, ICONE 2016 In 2016 24th International Conference on Nuclear Engineering 3.
Abstract

In ESS, a 5 MW proton beam will hit a helium cooled tungsten target to generate neutrons by spallation. For the purpose of investigating various aspects of cooling with helium, an experimental system has been constructed at Lund University, Department of Energy Sciences. A helium flow of 3 g/s is circulated in a closed loop with pre-heater, cooler, filters and a test vessel. The vessel has windows for measurements and is designed for 10 bar and above 400°C. In the test vessel, a tube forms a helium jet of up to 150 m/s onto a coin shaped material sample. One purpose of the system is to investigate erosion of sample surfaces. Drilling and attaching equipment to the surface had to be avoided, so the setup has been benchmarked and the... (More)

In ESS, a 5 MW proton beam will hit a helium cooled tungsten target to generate neutrons by spallation. For the purpose of investigating various aspects of cooling with helium, an experimental system has been constructed at Lund University, Department of Energy Sciences. A helium flow of 3 g/s is circulated in a closed loop with pre-heater, cooler, filters and a test vessel. The vessel has windows for measurements and is designed for 10 bar and above 400°C. In the test vessel, a tube forms a helium jet of up to 150 m/s onto a coin shaped material sample. One purpose of the system is to investigate erosion of sample surfaces. Drilling and attaching equipment to the surface had to be avoided, so the setup has been benchmarked and the comparison was used to tune a CFD model. Then the model is used to assess the conditions in the experiments. The setup, as well as the tests and calculations, are described and it is concluded that the temperature and velocity estimates are sufficient for the experiments to be performed.

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Please use this url to cite or link to this publication:
author
organization
publishing date
type
Chapter in Book/Report/Conference proceeding
publication status
published
subject
in
2016 24th International Conference on Nuclear Engineering
volume
3
pages
11 pages
publisher
American Society Of Mechanical Engineers (ASME)
conference name
2016 24th International Conference on Nuclear Engineering, ICONE 2016
external identifiers
  • scopus:84995654509
ISBN
9780791850039
DOI
10.1115/ICONE24-60721
language
English
LU publication?
yes
id
b8733317-a7f8-4417-96dc-3f8255242dfc
date added to LUP
2016-12-02 08:06:22
date last changed
2017-04-24 15:45:41
@inproceedings{b8733317-a7f8-4417-96dc-3f8255242dfc,
  abstract     = {<p>In ESS, a 5 MW proton beam will hit a helium cooled tungsten target to generate neutrons by spallation. For the purpose of investigating various aspects of cooling with helium, an experimental system has been constructed at Lund University, Department of Energy Sciences. A helium flow of 3 g/s is circulated in a closed loop with pre-heater, cooler, filters and a test vessel. The vessel has windows for measurements and is designed for 10 bar and above 400°C. In the test vessel, a tube forms a helium jet of up to 150 m/s onto a coin shaped material sample. One purpose of the system is to investigate erosion of sample surfaces. Drilling and attaching equipment to the surface had to be avoided, so the setup has been benchmarked and the comparison was used to tune a CFD model. Then the model is used to assess the conditions in the experiments. The setup, as well as the tests and calculations, are described and it is concluded that the temperature and velocity estimates are sufficient for the experiments to be performed.</p>},
  author       = {Nilsson, Per and Schönborn, Alessandro and Klingmann, Jens},
  booktitle    = {2016 24th International Conference on Nuclear Engineering},
  isbn         = {9780791850039},
  language     = {eng},
  pages        = {11},
  publisher    = {American Society Of Mechanical Engineers (ASME)},
  title        = {ESS target helium experiments at Lund University},
  url          = {http://dx.doi.org/10.1115/ICONE24-60721},
  volume       = {3},
  year         = {2016},
}