Thermal, mechanical and fluid flow aspects of the high power beam dump for FRIB

Mikhail Avilov, Adam Aaron, Aida Amroussia, Wladimir Bergez, Carl Boehlert, Thomas Burgess, Adam Carroll, Catherine Colin, Florent Durantel, Paride Ferrante, Tiffany Fourmeau, Van Graves, Clara Grygiel, Jacob Kramer, Wolfgang Mittig, Isabelle Monnet, Harsh Patel, Frederique Pellemoine, Reginald Ronningen, Mike Schein

    Research output: Contribution to journalArticle

    Abstract

    The Facility for Rare Isotope Beams (FRIB) under construction at Michigan State University is based on a 400kW heavy ion accelerator and uses in-flight production and separation to generate rare isotope beams. The first section of the fragment separator houses the rare isotope production target, and the primary beam dump to stop the unreacted primary beam. The experimental program will use 400kW ion beams from 16O to 238U. After interaction with the production target, over 300kW in remaining beam power must be absorbed by the beam dump. A rotating water-cooled thin-shell metal drum was chosen as the basic concept for the beam dump. Extensive thermal, mechanical and fluid flow analyses were performed to evaluate the effects of the high power density in the beam dump shell and in the water. Many properties were optimized simultaneously, such as shell temperature, mechanical strength, fatigue strength, and radiation resistance. Results of the analyses of the beam dump performance with different design options will be discussed. For example, it was found that a design modification to the initial water flow pattern resulted in a substantial increase in the wall heat transfer coefficient. A detailed evaluation of materials for the shell is in progress. The widely used titanium alloy, Ti-6Al-4V (wt%), is presently considered as the best candidate, and is the subject of specific tests, such as studies of performance under heavy ion irradiation.

    Profile

    Isotopes
    Water
    Heavy ions
    Flow of fluids
    isotopes
    Ion bombardment
    Separators
    Titanium alloys
    Flow patterns
    Heat transfer coefficients
    Ion beams
    Strength of materials
    Particle accelerators
    Radiation
    Metals
    Temperature
    fluid flow
    heavy ions
    water
    metal shells

    Keywords

    • Beam dump
    • FRIB
    • Titanium

    ASJC Scopus subject areas

    • Instrumentation
    • Nuclear and High Energy Physics

    Cite this

    Thermal, mechanical and fluid flow aspects of the high power beam dump for FRIB. / Avilov, Mikhail; Aaron, Adam; Amroussia, Aida; Bergez, Wladimir; Boehlert, Carl; Burgess, Thomas; Carroll, Adam; Colin, Catherine; Durantel, Florent; Ferrante, Paride; Fourmeau, Tiffany; Graves, Van; Grygiel, Clara; Kramer, Jacob; Mittig, Wolfgang; Monnet, Isabelle; Patel, Harsh; Pellemoine, Frederique; Ronningen, Reginald; Schein, Mike.

    In: Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, 14.08.2015.

    Research output: Contribution to journalArticle

    Avilov, M, Aaron, A, Amroussia, A, Bergez, W, Boehlert, C, Burgess, T, Carroll, A, Colin, C, Durantel, F, Ferrante, P, Fourmeau, T, Graves, V, Grygiel, C, Kramer, J, Mittig, W, Monnet, I, Patel, H, Pellemoine, F, Ronningen, R & Schein, M 2015, 'Thermal, mechanical and fluid flow aspects of the high power beam dump for FRIB' Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms. DOI: 10.1016/j.nimb.2016.02.068

    Avilov, Mikhail; Aaron, Adam; Amroussia, Aida; Bergez, Wladimir; Boehlert, Carl; Burgess, Thomas; Carroll, Adam; Colin, Catherine; Durantel, Florent; Ferrante, Paride; Fourmeau, Tiffany; Graves, Van; Grygiel, Clara; Kramer, Jacob; Mittig, Wolfgang; Monnet, Isabelle; Patel, Harsh; Pellemoine, Frederique; Ronningen, Reginald; Schein, Mike / Thermal, mechanical and fluid flow aspects of the high power beam dump for FRIB.

    In: Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, 14.08.2015.

    Research output: Contribution to journalArticle

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    abstract = "The Facility for Rare Isotope Beams (FRIB) under construction at Michigan State University is based on a 400kW heavy ion accelerator and uses in-flight production and separation to generate rare isotope beams. The first section of the fragment separator houses the rare isotope production target, and the primary beam dump to stop the unreacted primary beam. The experimental program will use 400kW ion beams from 16O to 238U. After interaction with the production target, over 300kW in remaining beam power must be absorbed by the beam dump. A rotating water-cooled thin-shell metal drum was chosen as the basic concept for the beam dump. Extensive thermal, mechanical and fluid flow analyses were performed to evaluate the effects of the high power density in the beam dump shell and in the water. Many properties were optimized simultaneously, such as shell temperature, mechanical strength, fatigue strength, and radiation resistance. Results of the analyses of the beam dump performance with different design options will be discussed. For example, it was found that a design modification to the initial water flow pattern resulted in a substantial increase in the wall heat transfer coefficient. A detailed evaluation of materials for the shell is in progress. The widely used titanium alloy, Ti-6Al-4V (wt%), is presently considered as the best candidate, and is the subject of specific tests, such as studies of performance under heavy ion irradiation.",
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