Chinese Physics C > 2010, Vol. 34 > Issue(7): 1019-1024 DOI: 10.1088/1674-1137/34/7/017

Coolant choice for the central beryllium pipe of the BESⅢ beam pipe

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Abstract：

In order to take away much more heat on the BESⅢ beam pipe to guarantee the normal particle detection, EDM-1 (oil No.1 for electric discharge machining), with good thermal and flow properties was selected as the candidate coolant for the central beryllium pipe of the BESⅢ beam pipe. Its cooling character was studied and dynamic corrosion experiment was undertaken to examine its corrosion on beryllium. The experiment results show that EDM-1 would corrode the beryllium 19.9 μm in the depth in 10 years, which is weak and can be neglected. Finite element simulation and experiment research were taken to check the cooling capacity of EDM-1. The results show that EDM-1 can meet the cooling requirement of the central beryllium pipe. Now EDM-1 is being used to cool the central beryllium pipe of the BESⅢ beam pipe.

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ZHENG Li-Fang, WANG Li, WU Ping, JI Quan, LI Xun-Feng and LIU Jian-Ping. Coolant choice for the central beryllium pipe of the BESⅢ beam pipe[J]. Chinese Physics C, 2010, 34(7): 1019-1024. doi: 10.1088/1674-1137/34/7/017

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Received: 2009-12-07
Revised: 2010-01-27

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沈阳化工大学材料科学与工程学院沈阳 110142

Coolant choice for the central beryllium pipe of the BESⅢ beam pipe

Corresponding author:ZHENG Li-Fang,

Received Date:2009-12-07
Accepted Date:2010-01-27
Available Online:2010-07-05

Abstract:

In order to take away much more heat on the BESⅢ beam pipe to guarantee the normal particle detection, EDM-1 (oil No.1 for electric discharge machining), with good thermal and flow properties was selected as the candidate coolant for the central beryllium pipe of the BESⅢ beam pipe. Its cooling character was studied and dynamic corrosion experiment was undertaken to examine its corrosion on beryllium. The experiment results show that EDM-1 would corrode the beryllium 19.9 μm in the depth in 10 years, which is weak and can be neglected. Finite element simulation and experiment research were taken to check the cooling capacity of EDM-1. The results show that EDM-1 can meet the cooling requirement of the central beryllium pipe. Now EDM-1 is being used to cool the central beryllium pipe of the BESⅢ beam pipe.