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Binding in the Lazy Susan of the 1 MW TRIGA at the Centro Nuclear de Mexico

Abstract

Problems with the original Lazy Susan were reported in a previous conference, where the procedure followed for its removal was described. A new Lazy Susan was supplied by the fabricant and it was judged convenient to perform an out-of-core test of the dispositive. A rig was built to produce temperature gradients similar to the ones encountered in the operation at high power levels. After a temperature difference (estimated between 130{sup o}C and 170{sup o}C) between the rotating part and the outside surface was established, the Lazy Susan started to bind. This was reported to the fabricant and it was concluded that a new design was needed and since it would take at least two years before the new unit could be acquired, it was decided to install the Lazy Susan recently supplied. The unit now rotates for approximately 20 minutes when the reactor is operating at 1 MW and then binds. At lower power levels it is operative for longer periods of time. (author)
Authors:
Sanchez, J; Mulas, P; Mariano, G; Hernandez, R [1] 
  1. Instituto Nacional de Energia Nuclear (Mexico)
Publication Date:
Jul 01, 1974
Product Type:
Conference
Report Number:
INIS-US-09N0328; TOC-5
Resource Relation:
Conference: 3. TRIGA owners' conference, Albuquerque, NM (United States), 25-27 Feb 1974; Other Information: Country of input: International Atomic Energy Agency (IAEA); 3 refs; Related Information: In: 3. TRIGA owners' conference. Papers and abstracts, 432 pages.
Subject:
21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS; DESIGN; MEETINGS; MEXICO; REACTOR OPERATION; TEMPERATURE GRADIENTS; TRIGA TYPE REACTORS
OSTI ID:
21217728
Research Organizations:
General Atomic Co., San Diego, CA (United States)
Country of Origin:
United States
Language:
English
Other Identifying Numbers:
TRN: US09N0335086512
Availability:
Available from INIS in electronic form
Submitting Site:
INIS
Size:
page(s) 1.68-1.71
Announcement Date:
Oct 17, 2009

Citation Formats

Sanchez, J, Mulas, P, Mariano, G, and Hernandez, R. Binding in the Lazy Susan of the 1 MW TRIGA at the Centro Nuclear de Mexico. United States: N. p., 1974. Web.
Sanchez, J, Mulas, P, Mariano, G, & Hernandez, R. Binding in the Lazy Susan of the 1 MW TRIGA at the Centro Nuclear de Mexico. United States.
Sanchez, J, Mulas, P, Mariano, G, and Hernandez, R. 1974. "Binding in the Lazy Susan of the 1 MW TRIGA at the Centro Nuclear de Mexico." United States.
@misc{etde_21217728,
title = {Binding in the Lazy Susan of the 1 MW TRIGA at the Centro Nuclear de Mexico}
author = {Sanchez, J, Mulas, P, Mariano, G, and Hernandez, R}
abstractNote = {Problems with the original Lazy Susan were reported in a previous conference, where the procedure followed for its removal was described. A new Lazy Susan was supplied by the fabricant and it was judged convenient to perform an out-of-core test of the dispositive. A rig was built to produce temperature gradients similar to the ones encountered in the operation at high power levels. After a temperature difference (estimated between 130{sup o}C and 170{sup o}C) between the rotating part and the outside surface was established, the Lazy Susan started to bind. This was reported to the fabricant and it was concluded that a new design was needed and since it would take at least two years before the new unit could be acquired, it was decided to install the Lazy Susan recently supplied. The unit now rotates for approximately 20 minutes when the reactor is operating at 1 MW and then binds. At lower power levels it is operative for longer periods of time. (author)}
place = {United States}
year = {1974}
month = {Jul}
}