NDLI: Thermal shock analysis of windows interacting with energetic, focused beam of the BNL muon target experiment

Content Provider	IEEE Xplore Digital Library
Author	Simos, N. Kirk, H. Prigl, R. Brown, K. McDonald, K.
Copyright Year	2001
Description	Author affiliation: Brookhaven Nat. Lab., Upton, NY, USA (Simos, N.)
Abstract	In this paper, issues associated with the interaction of a proton beam with windows designed for the muon targetry experiment E951 at BNL are explored. Specifically, a 24 GeV proton beam up to 16 TP per pulse and a pulse length of 100 ns is tightly focused (to 0.5 mm rms radius) on an experimental target. The need to maintain an enclosed environment around the target implies the use of beam windows that will survive the passage of the proton beam. The required beam parameters in such a setting will induce very high thermal, quasi-static and shock stresses in the window structure that exceed the strength of most common materials. In this effort, a detailed analysis of the thermal/shock response of beam windows is attempted through a transient thermal and stress wave propagation formulation that incorporates the energy deposition rates calculated the by hadron interaction code MARS. The thermal response of the window structure and the subsequent stress wave generation and propagation are computed using the finite element analysis procedures of the ANSYS code. This analysis attempts to address issues pertaining to an optimal combination of material, window thickness and pulse structure that will allow for a window to safely survive the extreme demands of the experiment.
Sponsorship	U.S. Dept. Energy
Starting Page	1408
Ending Page	1410
File Size	497366
Page Count	3
File Format	PDF
ISBN	0780371917
DOI	10.1109/PAC.2001.986696
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-06-18
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Electric shock Mesons Thermal stresses Particle beams Colliding beam devices Transient analysis Mars Steel Kirk field collapse effect Finite element methods
Content Type	Text
Resource Type	Article

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THERMAL SHOCK ANALYSIS OF WINDOWS INTERACTING WITH ENERGETIC, FOCUSED BEAM OF THE BNL MUON TARGET EXPERIMENT.

Thermal Shock Analysis of Windows Interacting with Energetic, Focused Beam of the BNL Muon Target Experiment

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