Development of the SRE MARK II Safety Rod

Technical Report · Mon Jun 15 04:00:00 EDT 1959

DOI:https://doi.org/10.2172/4236662· OSTI ID:4236662

Phillips, E. C. ^[1]; Hoff, R. G. ^[1]

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1. North American Aviation, Inc., Canoga Park, CA (United States). Atomics International Div.

The SRE Mark II safety rod consists of a neutron absorbing column suspended from an electromagnet, which, when de-energized, allows the column to fall into the reactor core. The kinetic energy of the falling column is expended in a gas-compression shock absorber. The poison column is returned to the storage position by an electromagnet attached to a chain drive which is coupled to a position-indication system. The electromagnet was tested for electrical characteristics, holding force, and release time. An effective insertion time of 0.7 second was measured for the entire rod.

• Research Organization: North American Aviation, Inc., Canoga Park, CA (United States). Atomics International Div.
• Sponsoring Organization: US Atomic Energy Commission (AEC)
• DOE Contract Number: AT(11-1)-GEN-8
• NSA Number: NSA-13-015776
• OSTI ID: 4236662
• Report Number(s): NAA-SR--3482
• Country of Publication: United States
• Language: English

Related Subjects

21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS
42 ENGINEERING
ABSORPTION
CONTROL ELEMENTS
DAMPING
ELECTROMAGNETIC FIELDS
FRICTION
GASES
GRAVITATION
IMPACT SHOCK
MACHINE PARTS
MAGNETS
MEASURED VALUES
MOTION
NEUTRONS
POWER PLANTS
REACTOR CORE
REACTOR SAFETY
REACTORS
RODS
SERVOMECHANISMS
SHUTDOWN
SRE
TESTING
ZONES