Ultra Safe Nuclear Corp
CAGE Code: 6JAS3
NCAGE Code: 6JAS3
Status: Active
Type: Commercial Supplier
Dun & Bradstreet (DUNS): 969316954
Summary
Ultra Safe Nuclear Corp is an Active Commercial Supplier with the Cage Code 6JAS3 and is tracked by Dun & Bradstreet under DUNS Number 969316954..
Address
2288 W Commodore Way
Ste 300
Seattle WA 98199-1465
United States
Points of Contact
No Points of Contact...
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Frequently Asked Questions (FAQ) for CAGE 6JAS3
- What is CAGE Code 6JAS3?
- 6JAS3 is the unique identifier used by NATO Organizations to reference the physical entity known as Ultra Safe Nuclear Corp located at 2288 W Commodore Way, Ste 300, Seattle WA 98199-1465, United States.
- Who is CAGE Code 6JAS3?
- 6JAS3 refers to Ultra Safe Nuclear Corp located at 2288 W Commodore Way, Ste 300, Seattle WA 98199-1465, United States.
- Where is CAGE Code 6JAS3 Located?
- CAGE Code 6JAS3 is located in Seattle, WA, USA.
Contracting History for CAGE 6JAS3 Most Recent 25 Records
- 80NSSC19C0202
- This Sbir Will Develop A Decay Heat Solution For Nuclear Thermal Propulsion (Ntp) Systems That Will.Significantly Reduce The Amount Of Hydrogen Required To Cool Down An Ntp System After Operation.
- 14 Aug 2019
- This Sbir Will Develop A Decay Heat Solution For Nuclear Thermal Propulsion (Ntp) Systems That Will.Significantly Reduce The Amount Of Hydrogen Required To Cool Down An Ntp System After Operation.
- Nasa Shared Services Center
- National Aeronautics And Space Administration (Nasa)
- $749,952.00
- National Aeronautics And Space Administration (Nasa)
- 80NSSC18C0164
- The Objective This Phase 2X Phase Iii Work Is To Further Develop Usnc S Transient Analysis Code, Tricorder To Meet Additional Needs Of The Nasa Ntp Program And Enable Passive Reactivity Control Technology To Be Incorporated Into The Future Ntp Cores. Usnc Has Secured Funding From The Nasa Ntp Program Support Further Development Of Tricorder Beyond Its Initial Stage Of Development That Will Be Completed In Phase 2. At The Completion Of The Phase Iii And Accompanying Phase 2X Project, Tricorder Will Be The Most Comprehensive Multiphysics Ntp Transient Tool Available.
- 25 Jun 2018
- The Objective This Phase 2X Phase Iii Work Is To Further Develop Usnc S Transient Analysis Code, Tricorder To Meet Additional Needs Of The Nasa Ntp Program And Enable Passive Reactivity Control Technology To Be Incorporated Into The Future Ntp Cores. Usnc Has Secured Funding From The Nasa Ntp Program Support Further Development Of Tricorder Beyond Its Initial Stage Of Development That Will Be Completed In Phase 2. At The Completion Of The Phase Iii And Accompanying Phase 2X Project, Tricorder Will Be The Most Comprehensive Multiphysics Ntp Transient Tool Available.
- Nasa Shared Services Center
- National Aeronautics And Space Administration (Nasa)
- $249,999.00
- National Aeronautics And Space Administration (Nasa)
- NNX17CS02C
- Igf::Ot::Igf In Brief, Usnc's Accident Submersion Safe Drums Are Control Drums Where A Small Amount Of Fuel Is Added Opposite To The Neutron Absorber And The Drums Impinge On The Active Core To Substantially Increase The Shutdown Criticality Margin Of The Control Drums. Phase 1 Results Indicate That The Shutdown Criticality Margin Is More Than Sufficient To Maintain Sub-Criticality In The Worst-Case Water Submersion Accidents. Key Accidents That The Accident Submersion Safe Drums Address Include Submersion In Freshwater And Sand With A Stuck Drum In The Full-On Position And Submersion In Water And Wet Sand With Reflector Loss.
- 18 May 2019
- Igf::Ot::Igf In Brief, Usnc's Accident Submersion Safe Drums Are Control Drums Where A Small Amount Of Fuel Is Added Opposite To The Neutron Absorber And The Drums Impinge On The Active Core To Substantially Increase The Shutdown Criticality Margin Of The Control Drums. Phase 1 Results Indicate That The Shutdown Criticality Margin Is More Than Sufficient To Maintain Sub-Criticality In The Worst-Case Water Submersion Accidents. Key Accidents That The Accident Submersion Safe Drums Address Include Submersion In Freshwater And Sand With A Stuck Drum In The Full-On Position And Submersion In Water And Wet Sand With Reflector Loss.
- Nasa Shared Services Center
- National Aeronautics And Space Administration (Nasa)
- $749,739.00
- National Aeronautics And Space Administration (Nasa)
- 80NSSC18P2173
- In This Sbir, Ultra Safe Nuclear Corporation (Usnc) Will Investigate And Develop A Set Of Novel Technologies To Minimize The Amount Of Hydrogen Needed For Reactor Decay Heat Removal After The Shutdown Of Nuclear Thermal Propulsion (Ntp) Systems. Decay Heat Is The Energy Deposited During The Decay Of Radioactive Fission Products After The Reactor Shuts Down. Its Management Is A Critical Issue For Ntp Systems. Usnc S Technology Will Be An Effective, Yet Simple, Solution To Address Decay Heat Removal. Central To Usnc S Optimized Strategy For Decay Heat Removal Is Maximizing The Temperature That Hydrogen Is Ejected And Maximizing Radiative Heat Transfer From The Available Surfaces Of The Rocket And Nozzle. Furthermore, Usnc S Comprehensive Solution Generates Small Amounts Of Electrical Power With The Removed Decay Heat, Increasing Mission Flexibility And Resilience. Specifically, Usnc Will Primarily Investigate Four Technologies To Minimize Hydrogen Usage: - The Inclusion Of Coolant Channels On The Outside Structure Of The Tie Tube Between The Insulator And Fuel That Can Heat Hydrogen To Hotter Temperatures Than The Zirconium Hydride Moderator Can Maintain. - Circulating Hydrogen Through The Tie Tube And The Outer Structure Of The Core To Maximize Heat Rejection By Radiation. - Conversion Of Some Of The Heat Into Useful Work Through The Addition Of A Power Generation Unit. - Using Computationally-Intensive Optimization To Find The Best Possible Strategies And Power Cycle Configurations To Minimize The Amount Of Hydrogen Ejected From The System.
- 23 Jul 2018
- In This Sbir, Ultra Safe Nuclear Corporation (Usnc) Will Investigate And Develop A Set Of Novel Technologies To Minimize The Amount Of Hydrogen Needed For Reactor Decay Heat Removal After The Shutdown Of Nuclear Thermal Propulsion (Ntp) Systems. Decay Heat Is The Energy Deposited During The Decay Of Radioactive Fission Products After The Reactor Shuts Down. Its Management Is A Critical Issue For Ntp Systems. Usnc S Technology Will Be An Effective, Yet Simple, Solution To Address Decay Heat Removal. Central To Usnc S Optimized Strategy For Decay Heat Removal Is Maximizing The Temperature That Hydrogen Is Ejected And Maximizing Radiative Heat Transfer From The Available Surfaces Of The Rocket And Nozzle. Furthermore, Usnc S Comprehensive Solution Generates Small Amounts Of Electrical Power With The Removed Decay Heat, Increasing Mission Flexibility And Resilience. Specifically, Usnc Will Primarily Investigate Four Technologies To Minimize Hydrogen Usage: - The Inclusion Of Coolant Channels On The Outside Structure Of The Tie Tube Between The Insulator And Fuel That Can Heat Hydrogen To Hotter Temperatures Than The Zirconium Hydride Moderator Can Maintain. - Circulating Hydrogen Through The Tie Tube And The Outer Structure Of The Core To Maximize Heat Rejection By Radiation. - Conversion Of Some Of The Heat Into Useful Work Through The Addition Of A Power Generation Unit. - Using Computationally-Intensive Optimization To Find The Best Possible Strategies And Power Cycle Configurations To Minimize The Amount Of Hydrogen Ejected From The System.
- Nasa Shared Services Center
- National Aeronautics And Space Administration (Nasa)
- $124,589.00
- National Aeronautics And Space Administration (Nasa)
- NNX16CM01C
- Igf::Ot::Igf This Sbir Will Develop Passive Reactor Criticality Control Technology For Nuclear Thermal Propulsion (Ntp) Identified By Ultra Safe Nuclear Corporation (Usnc) In Phase 1. This Technology Will Allow Ntp Systems To Start Up By Rotating The Control Drums To A Single Predetermined Location And Remain There For The Duration Of Operation For The Majority Of The Burns Associated With A Mars Mission. Passive Technology Will Greatly Simplify The Control Of Ntp Systems And Increase Their Overall Performance During Operation. Usnc's Passive Criticality Control Technology Works By -Employing Advanced Burnable Neutron Poison To Completely Remove The Need For Control Drum Movement During A Full Power Burn. -Tuning The Hydrogen Density In The Tie-Tubes To Ensure A Consistent Start-Up Position For The Control Drums. -Enhancing The Fuel Temperature Reactivity Feedback Mechanism To Ensure The Stability Of The Reactor And Reduce The Burden For Active Control. This Work Addresses Noted Research Needs So That Ntp Systems Can Help Enable Human Exploration To Mars And Other Destinations. Usnc's Phase 2 Work Will Be A Substantial Improvement Over The State-Of-The-Art And Increase The Overall Knowledge Of Ntp Control. At The End Of Phase 2 Usnc Will: -Produce A Ntp Transient Code (Named The "Tricorder" Code) Capable Of Modeling Ntp Systems Through Start Up To The End Of A Burn. -Develop Passive Criticality Control Technology Rigorously With Tricorder -Design And Then Fabricate A New Ntp Burnable Neutron Poison (Named The "Borgalloy" Alloy) And Test It In Prototypic Ntp Environments. -Deliver Ntp Leu Cermet, Leu Graphite Composite, And Heu Graphite Composite Ntp System Designs That Showcase Passive Criticality Control For Human Mars Missions.
- 6 Jul 2018
- Igf::Ot::Igf This Sbir Will Develop Passive Reactor Criticality Control Technology For Nuclear Thermal Propulsion (Ntp) Identified By Ultra Safe Nuclear Corporation (Usnc) In Phase 1. This Technology Will Allow Ntp Systems To Start Up By Rotating The Control Drums To A Single Predetermined Location And Remain There For The Duration Of Operation For The Majority Of The Burns Associated With A Mars Mission. Passive Technology Will Greatly Simplify The Control Of Ntp Systems And Increase Their Overall Performance During Operation. Usnc's Passive Criticality Control Technology Works By -Employing Advanced Burnable Neutron Poison To Completely Remove The Need For Control Drum Movement During A Full Power Burn. -Tuning The Hydrogen Density In The Tie-Tubes To Ensure A Consistent Start-Up Position For The Control Drums. -Enhancing The Fuel Temperature Reactivity Feedback Mechanism To Ensure The Stability Of The Reactor And Reduce The Burden For Active Control. This Work Addresses Noted Research Needs So That Ntp Systems Can Help Enable Human Exploration To Mars And Other Destinations. Usnc's Phase 2 Work Will Be A Substantial Improvement Over The State-Of-The-Art And Increase The Overall Knowledge Of Ntp Control. At The End Of Phase 2 Usnc Will: -Produce A Ntp Transient Code (Named The "Tricorder" Code) Capable Of Modeling Ntp Systems Through Start Up To The End Of A Burn. -Develop Passive Criticality Control Technology Rigorously With Tricorder -Design And Then Fabricate A New Ntp Burnable Neutron Poison (Named The "Borgalloy" Alloy) And Test It In Prototypic Ntp Environments. -Deliver Ntp Leu Cermet, Leu Graphite Composite, And Heu Graphite Composite Ntp System Designs That Showcase Passive Criticality Control For Human Mars Missions.
- Nasa Shared Services Center
- National Aeronautics And Space Administration (Nasa)
- $747,651.00
- National Aeronautics And Space Administration (Nasa)
- NNX16CM01C
- Igf::Ot::Igf This Sbir Will Develop Passive Reactor Criticality Control Technology For Nuclear Thermal Propulsion (Ntp) Identified By Ultra Safe Nuclear Corporation (Usnc) In Phase 1. This Technology Will Allow Ntp Systems To Start Up By Rotating The Control Drums To A Single Predetermined Location And Remain There For The Duration Of Operation For The Majority Of The Burns Associated With A Mars Mission. Passive Technology Will Greatly Simplify The Control Of Ntp Systems And Increase Their Overall Performance During Operation. Usnc's Passive Criticality Control Technology Works By -Employing Advanced Burnable Neutron Poison To Completely Remove The Need For Control Drum Movement During A Full Power Burn. -Tuning The Hydrogen Density In The Tie-Tubes To Ensure A Consistent Start-Up Position For The Control Drums. -Enhancing The Fuel Temperature Reactivity Feedback Mechanism To Ensure The Stability Of The Reactor And Reduce The Burden For Active Control. This Work Addresses Noted Research Needs So That Ntp Systems Can Help Enable Human Exploration To Mars And Other Destinations. Usnc's Phase 2 Work Will Be A Substantial Improvement Over The State-Of-The-Art And Increase The Overall Knowledge Of Ntp Control. At The End Of Phase 2 Usnc Will: -Produce A Ntp Transient Code (Named The "Tricorder" Code) Capable Of Modeling Ntp Systems Through Start Up To The End Of A Burn. -Develop Passive Criticality Control Technology Rigorously With Tricorder -Design And Then Fabricate A New Ntp Burnable Neutron Poison (Named The "Borgalloy" Alloy) And Test It In Prototypic Ntp Environments. -Deliver Ntp Leu Cermet, Leu Graphite Composite, And Heu Graphite Composite Ntp System Designs That Showcase Passive Criticality Control For Human Mars Missions.
- 1 Jun 2018
- Igf::Ot::Igf This Sbir Will Develop Passive Reactor Criticality Control Technology For Nuclear Thermal Propulsion (Ntp) Identified By Ultra Safe Nuclear Corporation (Usnc) In Phase 1. This Technology Will Allow Ntp Systems To Start Up By Rotating The Control Drums To A Single Predetermined Location And Remain There For The Duration Of Operation For The Majority Of The Burns Associated With A Mars Mission. Passive Technology Will Greatly Simplify The Control Of Ntp Systems And Increase Their Overall Performance During Operation. Usnc's Passive Criticality Control Technology Works By -Employing Advanced Burnable Neutron Poison To Completely Remove The Need For Control Drum Movement During A Full Power Burn. -Tuning The Hydrogen Density In The Tie-Tubes To Ensure A Consistent Start-Up Position For The Control Drums. -Enhancing The Fuel Temperature Reactivity Feedback Mechanism To Ensure The Stability Of The Reactor And Reduce The Burden For Active Control. This Work Addresses Noted Research Needs So That Ntp Systems Can Help Enable Human Exploration To Mars And Other Destinations. Usnc's Phase 2 Work Will Be A Substantial Improvement Over The State-Of-The-Art And Increase The Overall Knowledge Of Ntp Control. At The End Of Phase 2 Usnc Will: -Produce A Ntp Transient Code (Named The "Tricorder" Code) Capable Of Modeling Ntp Systems Through Start Up To The End Of A Burn. -Develop Passive Criticality Control Technology Rigorously With Tricorder -Design And Then Fabricate A New Ntp Burnable Neutron Poison (Named The "Borgalloy" Alloy) And Test It In Prototypic Ntp Environments. -Deliver Ntp Leu Cermet, Leu Graphite Composite, And Heu Graphite Composite Ntp System Designs That Showcase Passive Criticality Control For Human Mars Missions.
- Nasa Shared Services Center
- National Aeronautics And Space Administration (Nasa)
- $747,651.00
- National Aeronautics And Space Administration (Nasa)
- NNX16CM01C
- Igf::Ot::Igf This Sbir Will Develop Passive Reactor Criticality Control Technology For Nuclear Thermal Propulsion (Ntp) Identified By Ultra Safe Nuclear Corporation (Usnc) In Phase 1. This Technology Will Allow Ntp Systems To Start Up By Rotating The Control Drums To A Single Predetermined Location And Remain There For The Duration Of Operation For The Majority Of The Burns Associated With A Mars Mission. Passive Technology Will Greatly Simplify The Control Of Ntp Systems And Increase Their Overall Performance During Operation. Usnc's Passive Criticality Control Technology Works By -Employing Advanced Burnable Neutron Poison To Completely Remove The Need For Control Drum Movement During A Full Power Burn. -Tuning The Hydrogen Density In The Tie-Tubes To Ensure A Consistent Start-Up Position For The Control Drums. -Enhancing The Fuel Temperature Reactivity Feedback Mechanism To Ensure The Stability Of The Reactor And Reduce The Burden For Active Control. This Work Addresses Noted Research Needs So That Ntp Systems Can Help Enable Human Exploration To Mars And Other Destinations. Usnc's Phase 2 Work Will Be A Substantial Improvement Over The State-Of-The-Art And Increase The Overall Knowledge Of Ntp Control. At The End Of Phase 2 Usnc Will: -Produce A Ntp Transient Code (Named The "Tricorder" Code) Capable Of Modeling Ntp Systems Through Start Up To The End Of A Burn. -Develop Passive Criticality Control Technology Rigorously With Tricorder -Design And Then Fabricate A New Ntp Burnable Neutron Poison (Named The "Borgalloy" Alloy) And Test It In Prototypic Ntp Environments. -Deliver Ntp Leu Cermet, Leu Graphite Composite, And Heu Graphite Composite Ntp System Designs That Showcase Passive Criticality Control For Human Mars Missions.
- 6 Jul 2018
- Igf::Ot::Igf This Sbir Will Develop Passive Reactor Criticality Control Technology For Nuclear Thermal Propulsion (Ntp) Identified By Ultra Safe Nuclear Corporation (Usnc) In Phase 1. This Technology Will Allow Ntp Systems To Start Up By Rotating The Control Drums To A Single Predetermined Location And Remain There For The Duration Of Operation For The Majority Of The Burns Associated With A Mars Mission. Passive Technology Will Greatly Simplify The Control Of Ntp Systems And Increase Their Overall Performance During Operation. Usnc's Passive Criticality Control Technology Works By -Employing Advanced Burnable Neutron Poison To Completely Remove The Need For Control Drum Movement During A Full Power Burn. -Tuning The Hydrogen Density In The Tie-Tubes To Ensure A Consistent Start-Up Position For The Control Drums. -Enhancing The Fuel Temperature Reactivity Feedback Mechanism To Ensure The Stability Of The Reactor And Reduce The Burden For Active Control. This Work Addresses Noted Research Needs So That Ntp Systems Can Help Enable Human Exploration To Mars And Other Destinations. Usnc's Phase 2 Work Will Be A Substantial Improvement Over The State-Of-The-Art And Increase The Overall Knowledge Of Ntp Control. At The End Of Phase 2 Usnc Will: -Produce A Ntp Transient Code (Named The "Tricorder" Code) Capable Of Modeling Ntp Systems Through Start Up To The End Of A Burn. -Develop Passive Criticality Control Technology Rigorously With Tricorder -Design And Then Fabricate A New Ntp Burnable Neutron Poison (Named The "Borgalloy" Alloy) And Test It In Prototypic Ntp Environments. -Deliver Ntp Leu Cermet, Leu Graphite Composite, And Heu Graphite Composite Ntp System Designs That Showcase Passive Criticality Control For Human Mars Missions.
- Nasa Shared Services Center
- National Aeronautics And Space Administration (Nasa)
- $747,651.00
- National Aeronautics And Space Administration (Nasa)
- NNX17CS02C
- Igf::Ot::Igf In Brief, Usnc's Accident Submersion Safe Drums Are Control Drums Where A Small Amount Of Fuel Is Added Opposite To The Neutron Absorber And The Drums Impinge On The Active Core To Substantially Increase The Shutdown Criticality Margin Of The Control Drums. Phase 1 Results Indicate That The Shutdown Criticality Margin Is More Than Sufficient To Maintain Sub-Criticality In The Worst-Case Water Submersion Accidents. Key Accidents That The Accident Submersion Safe Drums Address Include Submersion In Freshwater And Sand With A Stuck Drum In The Full-On Position And Submersion In Water And Wet Sand With Reflector Loss.
- 10 Apr 2017
- Igf::Ot::Igf In Brief, Usnc's Accident Submersion Safe Drums Are Control Drums Where A Small Amount Of Fuel Is Added Opposite To The Neutron Absorber And The Drums Impinge On The Active Core To Substantially Increase The Shutdown Criticality Margin Of The Control Drums. Phase 1 Results Indicate That The Shutdown Criticality Margin Is More Than Sufficient To Maintain Sub-Criticality In The Worst-Case Water Submersion Accidents. Key Accidents That The Accident Submersion Safe Drums Address Include Submersion In Freshwater And Sand With A Stuck Drum In The Full-On Position And Submersion In Water And Wet Sand With Reflector Loss.
- Nasa Shared Services Center
- National Aeronautics And Space Administration (Nasa)
- $749,739.00
- National Aeronautics And Space Administration (Nasa)
- 80NSSC18P2173
- In This Sbir, Ultra Safe Nuclear Corporation (Usnc) Will Investigate And Develop A Set Of Novel Technologies To Minimize The Amount Of Hydrogen Needed For Reactor Decay Heat Removal After The Shutdown Of Nuclear Thermal Propulsion (Ntp) Systems. Decay Heat Is The Energy Deposited During The Decay Of Radioactive Fission Products After The Reactor Shuts Down. Its Management Is A Critical Issue For Ntp Systems. Usnc S Technology Will Be An Effective, Yet Simple, Solution To Address Decay Heat Removal. Central To Usnc S Optimized Strategy For Decay Heat Removal Is Maximizing The Temperature That Hydrogen Is Ejected And Maximizing Radiative Heat Transfer From The Available Surfaces Of The Rocket And Nozzle. Furthermore, Usnc S Comprehensive Solution Generates Small Amounts Of Electrical Power With The Removed Decay Heat, Increasing Mission Flexibility And Resilience. Specifically, Usnc Will Primarily Investigate Four Technologies To Minimize Hydrogen Usage: - The Inclusion Of Coolant Channels On The Outside Structure Of The Tie Tube Between The Insulator And Fuel That Can Heat Hydrogen To Hotter Temperatures Than The Zirconium Hydride Moderator Can Maintain. - Circulating Hydrogen Through The Tie Tube And The Outer Structure Of The Core To Maximize Heat Rejection By Radiation. - Conversion Of Some Of The Heat Into Useful Work Through The Addition Of A Power Generation Unit. - Using Computationally-Intensive Optimization To Find The Best Possible Strategies And Power Cycle Configurations To Minimize The Amount Of Hydrogen Ejected From The System.
- 12 Feb 2019
- In This Sbir, Ultra Safe Nuclear Corporation (Usnc) Will Investigate And Develop A Set Of Novel Technologies To Minimize The Amount Of Hydrogen Needed For Reactor Decay Heat Removal After The Shutdown Of Nuclear Thermal Propulsion (Ntp) Systems. Decay Heat Is The Energy Deposited During The Decay Of Radioactive Fission Products After The Reactor Shuts Down. Its Management Is A Critical Issue For Ntp Systems. Usnc S Technology Will Be An Effective, Yet Simple, Solution To Address Decay Heat Removal. Central To Usnc S Optimized Strategy For Decay Heat Removal Is Maximizing The Temperature That Hydrogen Is Ejected And Maximizing Radiative Heat Transfer From The Available Surfaces Of The Rocket And Nozzle. Furthermore, Usnc S Comprehensive Solution Generates Small Amounts Of Electrical Power With The Removed Decay Heat, Increasing Mission Flexibility And Resilience. Specifically, Usnc Will Primarily Investigate Four Technologies To Minimize Hydrogen Usage: - The Inclusion Of Coolant Channels On The Outside Structure Of The Tie Tube Between The Insulator And Fuel That Can Heat Hydrogen To Hotter Temperatures Than The Zirconium Hydride Moderator Can Maintain. - Circulating Hydrogen Through The Tie Tube And The Outer Structure Of The Core To Maximize Heat Rejection By Radiation. - Conversion Of Some Of The Heat Into Useful Work Through The Addition Of A Power Generation Unit. - Using Computationally-Intensive Optimization To Find The Best Possible Strategies And Power Cycle Configurations To Minimize The Amount Of Hydrogen Ejected From The System.
- Nasa Shared Services Center
- National Aeronautics And Space Administration (Nasa)
- $124,589.00
- National Aeronautics And Space Administration (Nasa)
- NNX17CS02C
- Igf::Ot::Igf In Brief, Usnc's Accident Submersion Safe Drums Are Control Drums Where A Small Amount Of Fuel Is Added Opposite To The Neutron Absorber And The Drums Impinge On The Active Core To Substantially Increase The Shutdown Criticality Margin Of The Control Drums. Phase 1 Results Indicate That The Shutdown Criticality Margin Is More Than Sufficient To Maintain Sub-Criticality In The Worst-Case Water Submersion Accidents. Key Accidents That The Accident Submersion Safe Drums Address Include Submersion In Freshwater And Sand With A Stuck Drum In The Full-On Position And Submersion In Water And Wet Sand With Reflector Loss.
- 10 Apr 2017
- Igf::Ot::Igf In Brief, Usnc's Accident Submersion Safe Drums Are Control Drums Where A Small Amount Of Fuel Is Added Opposite To The Neutron Absorber And The Drums Impinge On The Active Core To Substantially Increase The Shutdown Criticality Margin Of The Control Drums. Phase 1 Results Indicate That The Shutdown Criticality Margin Is More Than Sufficient To Maintain Sub-Criticality In The Worst-Case Water Submersion Accidents. Key Accidents That The Accident Submersion Safe Drums Address Include Submersion In Freshwater And Sand With A Stuck Drum In The Full-On Position And Submersion In Water And Wet Sand With Reflector Loss.
- Nasa Shared Services Center
- National Aeronautics And Space Administration (Nasa)
- $749,739.00
- National Aeronautics And Space Administration (Nasa)