RUPAC2018 - List of Authors (Svidetelev, A.N.)

Paper	Title	Page
THCDMH03	Challenges of Obtaining of Ultra-High Vacuum in NICA Project	110
	A.V. Smirnov, A.R. Galimov, A.N. Svidetelev JINR, Dubna, Moscow Region, Russia
	NICA is the new accelerator collider complex under construction at the Joint Institute for Nuclear Research in Dubna. Operating pressure in the beam pipes of booster and collider is not more than 2×10^-9 Pa. Operating temperature of the beam chambers 85% surfaces from 4.2K to 80K. These parts can not be baked. Maximum temperature of bake out is 80C. The beam pipes have high length and low conductance. The paper describes problems and paths of decision of achievement ultra-high vacuum in the beam pipes of the NICA complex. For this purpose, in collaboration with Vakuum Praha Company (Prague, Czech Republic), a test bench for the most effective pumping of the accelerator chamber of the superconducting fast cycling synchrotron has designed and built. The article provides the simulation results of vacuum distribution in superconducting accelerators with "warm" chamber parts at room temperature. The specialized programming code was developed for this purpose. The simulation has revealed a necessity of installation additional pumping equipment along the booster perimeter. To solve this problem, development of original design of titanium sublimation pump operating at cryogenic temperatures has started in collaboration with the Budker Institute of Nuclear Physics (Novosibirsk, Russia).
	Slides THCDMH03 [10.017 MB]
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-RUPAC2018-THCDMH03
Export •	reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)

Paper

Title

Page

Challenges of Obtaining of Ultra-High Vacuum in NICA Project

110

A.V. Smirnov, A.R. Galimov, A.N. Svidetelev
JINR, Dubna, Moscow Region, Russia

NICA is the new accelerator collider complex under construction at the Joint Institute for Nuclear Research in Dubna. Operating pressure in the beam pipes of booster and collider is not more than 2×10^-9 Pa. Operating temperature of the beam chambers 85% surfaces from 4.2K to 80K. These parts can not be baked. Maximum temperature of bake out is 80C. The beam pipes have high length and low conductance. The paper describes problems and paths of decision of achievement ultra-high vacuum in the beam pipes of the NICA complex. For this purpose, in collaboration with Vakuum Praha Company (Prague, Czech Republic), a test bench for the most effective pumping of the accelerator chamber of the superconducting fast cycling synchrotron has designed and built. The article provides the simulation results of vacuum distribution in superconducting accelerators with "warm" chamber parts at room temperature. The specialized programming code was developed for this purpose. The simulation has revealed a necessity of installation additional pumping equipment along the booster perimeter. To solve this problem, development of original design of titanium sublimation pump operating at cryogenic temperatures has started in collaboration with the Budker Institute of Nuclear Physics (Novosibirsk, Russia).

Slides THCDMH03 [10.017 MB]

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-RUPAC2018-THCDMH03

Export •

reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)