SULI - NSE - Frangella, Kailey - 3.12.26

Argonne National Laboratory • Lemont, IL

2d

About The Position

The nuclear fuel is depleted to generate heat in the reactor core. The nuclear fuels depleted as the fissile content of the fuel decreases due to fission. This results in the loss of reactivity. Therefore, at the beginning of the reactor operating cycle, the nuclear fuel needs to have sufficient fissile content that corresponds to extra reactivity. The excess reactivity required due to nuclear fuel burnup is important for the design of the reactivity control system, and the uncertainties associated with the excess reactivity prediction (or burnup reactivity swing) is also needed. This uncertainty quantification is challenging due to the non-linearity of the problem. The reactivity depends on the isotopic composition and the cross-section. The isotopic composition changes as the nuclear fuel fissions, which also depends on the cross section. This project aims at assessing and improving existing methods to assess the uncertainties for the burnup reactivity swing.

Requirements

• The entirety of the appointment must be conducted within the United States.
• Applicants must be:
• Currently enrolled in undergraduate or graduate studies at an accredited institution.
• Graduated from an accredited institution within the past 3 months; or
• Actively enrolled in a graduate program at an accredited institution.
• Must be 18 years or older at the time the appointment begins.
• Must possess a cumulative GPA of 3.0 on a 4.0 scale.
• Must be a U.S. citizen or Legal Permanent Resident at the time of application.
• If accepting an offer, must pass a screening drug test

What This Job Offers

• Job Type: Full-time
• Career Level: Intern
• Education Level: No Education Listed
• Number of Employees: 1,001-5,000 employees