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Practical Methods for
Criticality Safety Specialists (23285)
This course
provides a deeper understanding of neutron physics and analytical tools
for criticality safety professionals to use in performing their duties.
The fundamentals of performing Criticality Safety Evaluations (CSE's) are
reviewed. Students tour the LANL Plutonium facility to review selected
processes that they will evaluate using simplified analytical methods
taught in the course. (These methods are often referred to as "hand
calculation" techniques.) Students participate in experiments with
critical and subcritical systems at the Los Alamos Critical Experiments
Facility that demonstrate multiplying and kinetic behavior of neutron
chain reacting systems. Criticality accident history is reviewed with
emphasis on insights gained during detailed discussions with the Russians
about their criticality accidents. Emergency planning for criticality
accidents, and the use of the Criticality Slide Rule are discussed. NCS
issues, including application of the double contingency principle, are
also discussed.
Course
Schedule and Registration for the Practical Methods for Criticality
Safety Specialists Course.
(Subject to Change)
Practical Methods for Criticality Safety Specialists
Syllabus
MONDAY
a.m.
- Safety Philosophy
- Criticality Safety: What's it all about? How safe
is safe?
- Documentation Resources
- ANS-8 and International Standards
- Applications to Simple Systems
- Solving Practical Problems Simply (SPPS) (8.1,
8.3)
p.m.
- TA-18 Hands-on Demonstration(moderation, interaction,
reflection, absorption, etc.)
- Discussion of Demonstration: Calculational results
and Cross-section effects
TUESDAY
a.m.
- Safety Philosophy: ANS 8.1(4.12 & 4.2.2); DCP; 8.10;
8.19
- Communicating with Operations Personnel - What are the
CREDIBLE upset conditions?
- LA-10860; LA-12808; ARH-600; etc.
- Simple Analysis Methods: Shape conversions; Density
Scaling; Solid Angle; etc.
- Applications to Simple Systems/SPPS
p.m.
- Solution Chemistry - A presentation by a senior Los Alamos
chemist
- Work-Site Visits(to PF-4 & TA-54 ?)
WEDNESDAY
a.m.
- Safety Philosophy
- Training & Qualifications
- Safety Margins: What's the appropriate measure?
- Analytical Methods - Limiting Surface Density - I
- Fissile Gram Equivalents - ANS-8.15
p.m.
- SHEBA: I - Approach to critical
- Criticality evaluations related to work-site visits and
using simple methods - I
THURSDAY
a.m.
- Safety Philosophy: Fire Safety; Moderation Control -
ANS-8.22; Applications of Poisons - ANS-8.5 & 8.21; etc.
- Criticality evaluations related to work-site visits and
using simple methods - II
p.m.
- SHEBA: - II, D.C. & Excursion? k > 1.0?
- Criticality Accidents and their Source Terms for SARs:
- CRAC(and other) Data
- Significant Parameters; Shutdown Effects
- ANS-8.3 and 8.23; Woodcock paper; DOE Hndbk 3010;
NUREG/CR-6410;
- Simple analytical formulae/the ORNL Slide Rule
- Emergency Planning
FRIDAY
a.m.
- Safety Philosophy
- Who's in charge? Who accepts the risk?
- Communications
- Analytical Methods - Limiting Surface Density -
II
p.m.
- Criticality evaluation - Simple Exercise with Limiting
Surface Density
- Problem Solving - More Complex Array Example (8.7
tie-in?
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