In this sbir, usnc will develop an accident tolerant reactor shut-down system for nuclear thermal propulsion (NTP) systems that will guarantee sub-criticality in the event of a water submersion…

Ended Purchase Order Awarded Last action

Contract number
NNX16CS13P
Awardee
Awarding agency
Obligated
$114,226

Award facts

Opportunity
  • NNX16SBIRPH1 Solicitation number
Contract value 100% obligated
$114,226.00 Current and potential, with all options
Completion date 100% complete
Current and potential, with all options
Set-aside
Total Small Business
Competition
Full and Open Competition after exclusion of sources · 500 offers Negotiated Proposal / Quote
Pricing
Firm Fixed Price
Place of performance
Los Alamos, NM 87544, USA
Research
SBIR Program Phase I Action

Award details come from SAM.gov/FPDS.

About this award

This is a $114,226 Small Business Innovation Research (SBIR) Phase I contract awarded by the Shared Services Center, a civilian federal agency, to Ultra Safe Nuclear Corp (Usnc) for the development of an accident-tolerant reactor shut-down system for nuclear thermal propulsion (NTP) systems. The goal is to ensure sub-criticality in the event of a water submersion accident, which is a crucial issue for NTP systems. Usnc will develop an enhanced control drum design with added fuel to significantly increase the shutdown margin and maintain sub-criticality during the worst-case water submersion scenario. The company will use advanced neutronic analysis codes like MCNP6 and SERPENT 2 to support the development. This SBIR Phase I contract is part of the Thermoacoustic Radioisotope Generator (TRG) major program and has a firm fixed-price contract type.

Description

In this sbir, usnc will develop an accident tolerant reactor shut-down system for nuclear thermal propulsion (NTP) systems that will guarantee sub-criticality in the event of a water submersion accident. Reactor shut down during a water submersion accident is a crucial issue that must be addressed in NTP systems. The technology that usnc will develop in this sbir is a low risk design feature that has notable advantages over existing reactor shut-down systems during water submersion accidents. Usnc's accident tolerant reactor shut-down system will consist of enhanced control drums with significantly more criticality worth. Usnc's enhanced worth control drums are a low risk modification to the traditional control drum where a small amount of fuel is added opposite to the neutron absorber. In addition, usnc's enhanced worth control drums will be moved deeper into the active core to further enhance the criticality worth of the control drums. The combination of adding fuel and moving the drums deeper into the active core will substantially increase the shutdown margin of the control drums and will be sufficient to maintain sub-criticality in the worst case water submersion accidents. Neutronic analysis codes such as MCNP6 and serpent 2 will be utilized.

Quick answers

Who was awarded contract NNX16CS13P?

NNX16CS13P was awarded to Ultra Safe Nuclear Corp by Shared Services Center (National Aeronautics and Space Administration) on June 10, 2016.

How much is contract NNX16CS13P worth?

The government has obligated $114,226 on NNX16CS13P.

Was contract NNX16CS13P competed?

The extent of competition for NNX16CS13P was full and open competition after exclusion of sources. The government received 500 offers. It was set aside: Total Small Business.

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