The proton beam window for csns

Author: txkg

August undefined, 2024

WebbThe proton beam window (PBW) is one of the key devices of China Spallation Neutron Source (CSNS). In this paper, a new designed PBW structure called singledouble layer structure is discussed. The new structure will be used in CSNS, and it is designed based on the beam characteristic of CSNS, which power is 100 kW. The structure design and … Webb1 sep. 2024 · The proton beam window (PBW) is one of the key devices of China Spallation Neutron Source (CSNS). In this paper, a new designed PBW structure called singledouble …

Material Test of Proton Beam Window for CSNS - CERN

WebbThe beam commissioning of CSNS started in the sum-mer of 2015 and the first proton beam was bombarded onto the target in July 2024 to produce neutrons. After two and a … WebbThe proton beam is measured by the proton current transformer in RTBT before the target. A time synchronization and real-time data network based on White Rabbit is … thy1986

THE STRUCTURE DESIGN AND ANALYSIS OF PROTON BEAM WINDOW FOR CSNS

Webbtarget coolant loop, water moderator and premoderator loop, reflector coolant loop and proton beam window coolant loop etc. during operation, the coolants become highly active during operation ... Webb个人简介. 朱东辉，长期从事大科学装置项目的研制工作，参与了中国散裂中子源、北京正负电子对撞机及高能光源等多个大科学工程项目。. 完整参与了中国散裂中子源工程的预研、设计、建设及运行，负责了其中CSNS充气型波纹管的预研、靶站之子束窗、RTBT束 ... http://lutf.cqu.edu.cn/info/1118/1653.htm thy198

Thermal analysis and optimization of proton beam window for the …

The proton beam window for China Spallation Neutron Source

Webbfirst 20-m beam line of the Back-n is shared with the last section of the proton beam line – RTBT (Ring to Target Beam Transport). A proton beam window (PBW) in A5083 aluminum alloy of 2 mm in thickness is located at 1.9 m from the target which separates the vacuum tube of the proton beam line and the target vessel. Webb1 nov. 2024 · The Associated Proton beam Experiment Platform (APEP) beam line that is under construction at the China Spallation Neutron Source (CSNS) linear accelerator … thy193Webb× Close. The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. the land of spoons

"Webbthe start point of CSNS, the condition of front end is one of key factors which influence the stable operation of CSNS. Based on the beam requirement of CSNS phase I, the front end should provide a stable H- beam with energy of 3.0MeV, a maximum pulsed peak current up to 15mA, a beam duty factor 1.0% at a repetition of 25Hz and beam " - The proton beam window for csns

The proton beam window for csns

Step-like field magnets to transform beam distribution at the CSNS …

Webb13 juli 2024 · In China spallation neutron source (CSNS), the ducts of the Back-n white neutron source and the proton beam window are made of aluminum alloy [ 6, 7 ]. Therefore, due to the current design requirements of new nuclear facilities, high-precision measurements of neutron total cross sections of aluminum are essential. Webb14 sep. 2012 · The proton beam window (PBW) is one of the key devices of China Spallation Neutron Source (CSNS). It is the boundary between transport line and target. This paper will present a new PBW structure and detailed thermal-stress analysis. The energy deposition and scattering effect need to be low when the beam passes through …

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WebbChinese Physics C Vol. 37, No. 7 (2013) 077001 Thermal analysis and optimization of proton beam window for the CSNS WANG Hai-Jing() 1,2;1) LIU Wei-Bin() 1 QU Hua-Min() 1 ZHU Dong-Hui() 1 HUANG Nan() 1 KANG Ling() 1 LIU Ren-Hong 1,2 1Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China 2 University of … Webb25 dec. 2010 · Proton beam window (PBW) is a boundary wall between a high vacuum area in the proton beam line and the helium atmosphere in a helium vessel at a high beam power target. The thermal and mechanical problems of the PBW have been studied in other spallation neutron sources; however, the scattering effect in PBW is seldom reported in …

Webb1 aug. 2024 · The proton beam window of the dump was fabricated via 316 L grade stainless steel with a spherical surface and thickness of 3 mm. The material of the RTBT vacuum chambers is also 304 and 316 L grade stainless steel, and Helicoflex gaskets are used for the chambers whose aperture diameter is more than 200 mm to improve seal … Webb16 juni 2024 · The CSNS complex is composed of a high-power proton accelera- tor, a spallation target, neutron instruments, and con- ventional facilities, as shown in Fig. 1. The 100 kW proton beam at 1.6 GeV and 65 ﾎｼA with a repetition rate of 25 Hz is the design goal for the CSNS Phase One or CSNS-. The upgrading potential to 500 kW has been …

Webb11 apr. 2024 · Accelerator-based boron neutron capture therapy (BNCT) has recently been studied by several researchers. In BNCT, a neutron-generation target is an im… Webb1 aug. 2005 · Fig. 2(a) shows the analytical model for calculating the dynamic stress. Fig. 2(b) and (c) show schematic drawings of the flat type and the semi-cylindrical type beam …

WebbThe proton beam window (PBW) is one of the key devices of China Spallation Neutron Source (CSNS). It is the boundary between transport line and target. This paper will present a new PBW structure and detailed thermal-stress analysis.

Webb1 juli 2013 · The proton beam window (PBW) is one of the key devices of China Spallation Neutron Source (CSNS). It is the boundary between transport line and target. This paper … thy 1951WebbProton beam window (PBW) is a boundary wall between a high vacuum area in the proton beam line and the helium atmosphere in a helium vessel at a high beam power target. the land of shemWebbThe interface between the beam duct and lead bismuth is called the beam window. For example, a tank type reactor with 800 MW thermal power and LBE-coolant and spallation … thy19yWebbThe CERN n_TOF provides an intense pulsed neutron beam in a wide energy spectrum and a good energy resolution with a time-of-flight (TOF) distance of 185 m that stands today among the world’s leading facilities for measuring neutron-induced cross section [2-3]. thy1998Webb1 nov. 2024 · The proton peak current into APEP is 10 μ A when the CSNS operates at a beam power of 100 kW. This is monitored by a current transformer (CT) monitor in front … thy 191WebbThe PBW is one of the key devices of CSNS. It is located at the boundary of transport line and target, separating the high vacuum in the accelerator and helium atmosphere in the … thy1arWebbTHE DESIGN AND ANALYSIS OF PROTON BEAM WINDOW FOR CSNSIII H.J. Wang, D.H.zhu, H.M. Qu, L. Kang, R.H. Liu, IHEP, Beijing, People s Republic of China Abstract … thy1a