Learn · CERN

Talk22 min

Numerical study of emergency cryogenics gas relief into confined spaces

Ziemowit Malecha · CERN

Watch At CERN

About

The presented work focuses on the risk analysis and the consequences of the unexpected leak to the tunnel of cryogenics gases. Formation of the gas mixture and its propagation along tunnels is an important issue for the safe operation of cryogenic machines, including superconducting accelerators or free electron lasers. As the cryogenics gas the helium and argon will be considered. A minimal numerical model will be presented and discussed. Series of numerical results related to emergency helium relief to the CERN tunnel and related to unexpected leak of the argon to an underground tunnel, will be shown. The numerical results will show temperature distribution, oxygen deficiency and gas cloud propagation in function of intensity of the leak and intensity of the ventilation..

0:00:00 Slide 1

0:00:41 Slide 2

0:02:04 Slide 3

0:02:50 Slide 4

0:03:44 Slide 5

0:04:47 Slide 6

0:06:07 Slide 7

0:06:56 Slide 8

0:09:10 Slide 9

0:10:58 Slide 10

0:11:32 Slide 11

The talk

  1. Numerical study of emergency cryogenics gas relief into confined spaces 2016-09-21 · 22 min · CERN's player

Credits and licence

Institution
CERN
Department
HSE Seminar
Speaker
Ziemowit Malecha
Year
2016
Language
English
Source
CERN
Licence
CERN, as CERN states it. CERN's terms
Attribution
© CERN. CERN provides its audiovisual media free of charge for educational and informational use, credited to CERN; this lecture is shown in CERN's own player.
Who can watch
CERN gives no rating. Invisible Network shows it to Teens profiles and older, judged from what the source says about it. How courses are placed