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ORNL demonstrates 120-kilowatt wireless charging for vehicles

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Researchers demonstrated a 120-kilowatt wireless power transfer at the National Transportation Research Center, a U.S. Department of Energy Office of Science User facility at Oak Ridge National Laboratory. From left to right above are ORNL’s Saeed Anwar, Burak Ozpineci, Gui-Jia Su, and David Smith; DOE Vehicle Technology Program’s Lee Slezak; and ORNL’s Veda Galigekere, Omer Onar, and Jason Pries. (Photo courtesy ORNL)

Researchers demonstrated a 120-kilowatt wireless power transfer at the National Transportation Research Center, a U.S. Department of Energy Office of Science User facility at Oak Ridge National Laboratory. From left to right above are ORNL’s Saeed Anwar, Burak Ozpineci, Gui-Jia Su, and David Smith; DOE Vehicle Technology Program’s Lee Slezak; and ORNL’s Veda Galigekere, Omer Onar, and Jason Pries. (Photo courtesy ORNL)

 

By Stephanie Seay/ORNL

Researchers at Oak Ridge National Laboratory have demonstrated a 120-kilowatt wireless charging system for vehicles—providing six times the power of previous ORNL technology and a big step toward charging times that rival the speed and convenience of a gas station fill-up.

The wireless system transfers 120 kilowatts of power with 97 percent efficiency, which is comparable to conventional, wired high-power fast chargers. In the laboratory demonstration, power was transferred across a six-inch air gap between two magnetic coils and charged a battery pack.

ORNL researchers created and demonstrated the world’s first 20-kilowatt wireless charging system, which is being modified for applications such as commercial delivery trucks.

“It was important to maintain the same or smaller footprint as the previous demonstration to encourage commercial adoption,” said project lead Veda Galigekere of ORNL’s Power Electronics and Electric Machinery Group. [Read more…]

Y-12 approved for B61-12 weapons work

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Image from U.S. Government Accountability Office report in May 2018 on B61-12 Nuclear Bomb.

Image from U.S. Government Accountability Office report in May 2018 on B61-12 nuclear bomb.

 

The Y-12 National Security Complex in Oak Ridge has been approved to produce a major component of a nuclear bomb known as the B61-12.

The approval was the final step to authorize the manufacturing and delivery of the first production unit of a component called the canned subassembly. It’s scheduled for March 2019, according to Y-12. A canned subassembly is the second stage of a modern thermonuclear weapon, and it is part of the nuclear explosives package.

The Y-12 work is part of the B61-12 Life Extension Program, which will consolidate four versions of the bomb into one. The bombs could be carried on B-2A bomber aircraft and F-15Es, several types of F-16s, and PA-200 fighters, and in the future, F-35s and B-21s.

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Public availability session on proposed DOE landfill is Thursday

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There is a public availability session on the proposed federal landfill in Oak Ridge on Thursday.

The U.S. Department of Energy has issued a proposed plan to build a new landfill on the Oak Ridge Reservation. The landfill, the Environmental Management Disposal Facility, would be in Bear Creek Valley west of the Y-12 National Security Complex. It is intended for disposal of radioactive, hazardous, and toxic wastes. It would be used as cleanup work ends at the East Tennessee Technology Park and the existing landfill, the Environmental Management Waste Management Facility fills up, and cleanup work moves to Y-12 and Oak Ridge National Laboratory.

A press release said the Sierra Club has invited state and federal officials from DOE, Environmental Protection Agency, and Tennessee Department of Environment and Conservation to be available for public questions about the Environmental Management Disposal Facility. The public availability session has been scheduled from 2 to 8 p.m. Thursday, October 11, at the TDEC office at 761 Emory Valley Road in Oak Ridge. [Read more…]

Centrus Energy has $15 million project to prepare K-1600 for demolition

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The "footprint," the area where the K-25 Building used to be in west Oak Ridge, is pictured above at the East Tennessee Technology Park in west Oak Ridge. The white K-1600 Building is pictured in the middle of the "footprint." The brick building in the foreground is Oak Ridge Fire Station No. 4. (Photo courtesy U.S. Department of Energy Oak Ridge Office of Environmental Management)

The K-25 “footprint,” the area where the K-25 Building used to be in west Oak Ridge, is pictured above at the East Tennessee Technology Park in west Oak Ridge. The white K-1600 Building is pictured in the middle of the “footprint.” The brick building in the foreground is Oak Ridge Fire Station No. 4, and it includes the K-25 History Center. (Photo courtesy U.S. Department of Energy Oak Ridge Office of Environmental Management)

 

Centrus Energy Corporation has a $15 million project to prepare K-1600, a building in the middle of the historic K-25 “footprint,” for demolition.

On Tuesday, Centrus announced that it had received a work authorization from the U.S. Department of Energy for decontamination and decommissioning (D&D) work at the building. The work will include removing and disposing of equipment and materials to make K-1600 non-radiologically contaminated and non-possessing (i.e. unclassified), a press release said. The work will occur between October 1, 2018, and September 30, 2019.

After the work is completed, DOE will be able to turn over K-1600 to a contractor to demolish it, the press release said. It’s one of the last remaining “legacy structures” on the 2,200-acre site of the World War II-era K-25 uranium enrichment plant, now known as the East Tennessee Technology Park, the press release said.

Many other buildings have been demolished there, including the five large gaseous diffusion buildings once used to enrich uranium for atomic weapons and commercial nuclear power plants. ETTP is now being converted into a large industrial park in west Oak Ridge. [Read more…]

Low-flying helicopters part of emergency exercise Wednesday

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There will be an emergency exercise on Wednesday, and it will include low-flying helicopters, a press release said.

The emergency exercise is being conducted by emergency responders from the U.S. Department of Energy and Oak Ridge National Laboratory, along with state and local emergency management personnel.

“The public may observe emergency responders simulating response activities in the area surrounding the Oak Ridge Reservation,” a press release said. “Additionally, low-flying National Guard helicopters will be performing training in the area. The helicopters will be flying in the Melton Hill Lake area near ORNL. These activities are part of the exercise.” [Read more…]

Twenty tons of uranium could be used to produce tritium for nuclear weapons

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Image courtesy NNSA

Image courtesy National Nuclear Security Administration. SRS is the Savannah River Site.

 

About 20 metric tons of highly enriched uranium could be “down-blended” to low-enriched uranium and transferred to the Tennessee Valley Authority for use as a fuel to produce tritium for nuclear weapons, according to a public notice published in the Federal Register this week.

The project involves the Y-12 National Security Complex in Oak Ridge and Watts Bar Nuclear Plant near Spring City in Rhea County, among other sites.

The National Nuclear Security Administration and TVA announced in August that they intend to enter into an agreement to “down-blend” highly enriched uranium to low-enriched uranium in order to help produce tritium, a key “boosting” component in nuclear weapons.

The highly enriched uranium used for the “down-blending” will be processed, packaged, and shipped from Y-12, according to the NNSA. Y-12 is an NNSA site, and it is the main storage facility for certain categories of highly enriched uranium. [Read more…]

You can comment on DOE landfill

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You can comment on the proposed new federal landfill in Bear Creek Valley during a public information session in Oak Ridge today (Thursday, September 13).

The landfill would be called the Environmental Management Disposal Facility, and it would be 2.2 million cubic yards on land owned by the federal government. It would be used by the U.S. Department of Energy to dispose of waste from the Oak Ridge Reservation.

The public information session is scheduled from 4:30-6 p.m. Thursday at the DOE Information Center in east Oak Ridge at 1 Science.gov Way. The meeting is hosted by DOE, the U.S. Environmental Protection Agency, and the Tennessee Department of Environment and Conservation.

The purpose of the meeting is to share information about the proposed plan and hear public comments, according to a public notice sent to Oak Ridge Today on Wednesday afternoon. [Read more…]

Air Force, ORNL partner in high-performance computing & weather modeling system

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To extend its weather modeling capabilities, the U.S. Air Force has joined the computing experts at the U.S. Department of Energy’s Oak Ridge National Laboratory in a strategic collaboration that includes procurement and operation of a new high-performance weather modeling computer system. Key members of the Air Force and ORNL teams gathered on July 10, 2018, to kick off the project and tour the facilities supporting the new system. (Photo courtesy ORNL)

To extend its weather modeling capabilities, the U.S. Air Force has joined the computing experts at the U.S. Department of Energy’s Oak Ridge National Laboratory in a strategic collaboration that includes procurement and operation of a new high-performance weather modeling computer system. Key members of the Air Force and ORNL teams gathered on July 10, 2018, to kick off the project and tour the facilities supporting the new system. (Photo courtesy ORNL)

 

For the U.S. military, accurate weather prediction is vital to both the planning and execution of worldwide missions. To extend its weather modeling capabilities, the U.S. Air Force has joined the computing experts at the U.S. Department of Energy’s Oak Ridge National Laboratory in a strategic collaboration that includes procurement and operation of a new high-performance weather modeling computer system. Key members of the Air Force and ORNL teams, including computing and global security team members, gathered on July 10 to kick off this project and tour the facilities supporting the new system, according to a story posted by ORNL.

The Air Force 557th Weather Wing provides the Air Force and Army with global- and regional-level numerical weather model forecasts. With the increasing scale of the requirements for the new system, the Air Force and ORNL identified an opportunity to take advantage of the capabilities of ORNL’s National Center for Computational Sciences—including expertise in high-performance computing facilities and infrastructure, systems administration, computing procurement and acquisition, and system operations, the story said.

“We learned about the Air Force’s needs, and it was immediately clear that ORNL could help them solve their problems,” said Jim Rogers, NCCS director of computing and facilities. “We can integrate the Air Force weather team’s needs into our facilities in a cost-effective way, leveraging our capabilities to deliver exceedingly high availability to support their mission.” [Read more…]

Vacuum helps crews remove contaminated sludge, debris at ORNL

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The U.S. Department of Energy Office of Environmental Management now has a powerful, trailer-mounted vacuum for cleaning and maintaining the important liquid and gaseous waste operations at Oak Ridge National Laboratory. (Photo courtesy DOE EM)

The U.S. Department of Energy Office of Environmental Management now has a powerful, trailer-mounted vacuum for cleaning and maintaining the important liquid and gaseous waste operations at Oak Ridge National Laboratory. (Photo courtesy DOE EM)

 

Federal site cleanup workers reported in August that they had begun removing contaminated sludge and debris from tanks, sumps, and valve boxes at Oak Ridge National Laboratory’s liquid and gaseous waste operations using a powerful, new trailer-mounted vacuum.

The equipment has already enhanced safety and operational efficiency, according to the U.S. Department of Energy Office of Environmental Management.

“Without the vacuum, personnel would be required to fully dress in personal protective equipment and remove the sludge and debris with shovels and buckets,” DOE said. “In addition to being closer to contaminated materials in confined spaces, workers would face an increased chance of slips and falls while climbing in and out of slippery areas in the protective suits.”

Using the vacuum technology has eliminated the risk of heat stress for employees, who would otherwise perform manual labor in protective suits during the hot Tennessee summer, DOE said. [Read more…]

Nuclear safety board announces appointment of two inspectors, mostly at Y-12

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Aerial: While the skyline is continuing to change, Y-12’s focus remains the same—securing America’s future.

The Y-12 National Security Complex in Oak Ridge is pictured above in this submitted photo.

 

A federal safety board has announced the appointment of two Oak Ridge resident inspectors, primarily at the Y-12 National Security Complex, and a major board reform has been announced.

The appointment of the first inspector, Matthew Duncan, was effective August 20. The appointment of the second, Brandon Weathers, is effective in December.

The two will serve as Oak Ridge resident inspectors for the Defense Nuclear Facilities Safety Board, an independent federal agency responsible for safety oversight at U.S. Department of Energy defense nuclear facilities.

In Oak Ridge, the DNFSB reports often focus on activities at Y-12, but they can also include work at Oak Ridge National Laboratory. ORNL is a DOE Office of Science lab, and Y-12 is a National Nuclear Security Administration site. The NNSA is a DOE agency. [Read more…]

CNS settles with DOE, NNSA over improper shipment, storage of classified records

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A large ridge top tract of land that features panoramic views and was once proposed as the site of a Target retail development is now for sale. The land, which is also known as The Summit, is on Pine Ridge along South Illinois Avenue between Scarboro Road/Lafayette Drive and Centrifuge Way. It's pictured above on Wednesday, Aug. 15, 2018. (Photo by John Huotari/Oak Ridge Today)

A large off-site building on Pine Ridge that was once used to store records for the Y-12 National Security Complex. The building is pictured above on Wednesday, Aug. 15, 2018. (Photo by John Huotari/Oak Ridge Today)

 

Consolidated Nuclear Security LLC has reached a settlement agreement with federal officials over the improper shipment and storage of classified archived records at the Y-12 National Security Complex in Oak Ridge.

The settlement agreement with the U.S. Department of Energy and National Nuclear Security Administration requires CNS, which manages and operates Y-12, to implement corrective actions and pay a $73,000 monetary remedy.

The settlement agreement was entered into on July 23 between CNS, NNSA, and DOE’s Office of Enterprise Assessments’ Office of Enforcement.

In a July 13 letter, NNSA Administrator Lisa E. Gordon-Hagerty and Kevin L. Dressman, acting director of the Office of Enforcement, said CNS made a decision in 2016 to vacate an off-site records storage facility on Pine Ridge that had met DOE requirements.

To vacate that building, CNS sent boxes of inactive archived records, dating back to 1943, to one of three U.S. National Archives and Records Administration facilities: unclassified records went to two different federal records centers based on whether the records were textual or non-textual (e.g., films), and classified records, regardless of the medium, were transferred to a federal records center that is authorized to store classified information. [Read more…]

NNSA, TVA agree to ‘down-blend’ uranium to produce tritium for weapons

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The sign at the main entrance to the Y-12 National Security Complex is pictured above on Sunday, Aug. 6, 2017. (Photo by John Huotari/Oak Ridge Today)

The National Nuclear Security Administration and the Tennessee Valley Authority announced Wednesday, Aug. 22, 2018, that they intend to enter into an agreement to “down-blend” highly enriched uranium to low-enriched uranium in order to help produce tritium, a key “boosting” component in nuclear weapons. The highly enriched uranium used for the “down-blending” is processed, packaged, and shipped from the Y-12 National Security Complex in Oak Ridge. (File photo by John Huotari/Oak Ridge Today)

 

The National Nuclear Security Administration and the Tennessee Valley Authority announced last week that they intend to enter into an agreement to “down-blend” highly enriched uranium to low-enriched uranium in order to help produce tritium, a key “boosting” component in nuclear weapons.

The highly enriched uranium used for the “down-blending” is processed, packaged, and shipped from the Y-12 National Security Complex in Oak Ridge, according to the NNSA. Y-12 is the main storage facility for certain categories of highly enriched uranium, which can be used in nuclear weapons and in naval reactors.

Low-enriched uranium, or LEU fuel, is used in a commercial power reactor run by TVA at the Watts Bar Nuclear Plant Unit 1 near Spring City in Rhea County, southwest of Oak Ridge. Tritium is produced there by irradiating lithium-aluminate pellets with neutrons in rods known as tritium-producing burnable absorber rods, or TPBARs.

The irradiated rods are then shipped to the Savannah River Site, an NNSA production facility near Aiken, South Carolina. The Savannah River Site extracts the tritium from the irradiated rods, purifies it, and adds it to the existing inventory, according to the NNSA’s Fiscal Year 2018 Stockpile Stewardship and Management Plan.

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Tritium is a radioactive isotope of hydrogen that has two neutrons and one proton. It has been described as an essential component in every nuclear weapon in the U.S. stockpile. It occurs naturally in small quantities but must be manufactured to obtain useful quantities. It enables weapons to produce a larger yield while reducing the overall size and weight of the warhead in a process known as “boosting,” the U.S. Department of Energy said in an environmental impact statement about 20 years ago.

But unlike other nuclear materials used in nuclear weapons, tritium decays at a rate of 5.5 percent per year—its half-life is about 12 years—and it must be replenished periodically.

The NNSA, a separately organized agency within DOE, said the agreement with TVA that was announced last week is for management of the down-blending campaign and the resulting material. It’s separate from an existing interagency agreement for irradiation services that started in 2000 and is in effect until November 30, 2035.

“Without this down-blending campaign, we would need to accelerate the development and execution of a strategy to provide LEU fuel for tritium production by nearly a decade,” said Phil Calbos, NNSA’s acting deputy administrator for defense programs.

The new agreement follows a determination by U.S. Energy Secretary Rick Perry on August 21 that allows the NNSA to continue transfers of enriched uranium from DOE’s inventories in support of national security, the NNSA said in a press release.

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