Putin orders launch of world’s most powerful source of neutrons in Leningrad Region

[Piotr]

Putin orders launch of world’s most powerful source of neutrons in Leningrad Region
8 Feb, 12:47

Putin said he is certain that this step forward will benefit Russia

ST. PETERSBURG, February 8. /TASS/. Russian President Vladimir Putin has ordered the energy launch of the world’s most powerful source of neutrons at St. Petersburg’s B.P. Konstantinov Institute of Nuclear Physics, affiliated with the Kurchatov Institute research center.


"I am asking you to put the reactor into energy operation," Putin told the participants in the launch ceremony in a video conference mode.
The research reactor PIK is one of the six projects the Russian government included in the program for creating mega-science class facilities in Russia. In contrast to most foreign projects the reactor PIK has greater neutron fluxes in the reflector, a high flux neutron trap and the possibility of irradiating materials in the reactor core.
After the launch Putin congratulated the participants in the science experiment.

"Here is my message to your team. I wish you successful and fruitful work. My congratulations upon Russian Science Day. I am inviting you to participate in the meeting of the Council for Science and Education. You institute has vast traditions and boasts specialists of an unprecedentedly high level. You have surprised the country with your discoveries more than once. I am certain that this step forward will benefit our great country," Putin said.
Reactor history
The project for building a PIK reactor with a compact core and heavy water reflector began to be created in the early 1970s as a source of highest intensity fluxes of neutrons.
The first phase of construction was completed successfully 70% by 1986. "After the Chernobyl nuclear power plant disaster, the project was fundamentally revised. Its safety was considerably improved. The expert scrutiny lasted up to 1991.
For several years the construction project remained frozen. The situation changed when the St. Petersburg Institute of Nuclear Physics was included in the pilot project for creating the Kurchatov Institute center. After the first unit was completed in February 2011 the reactor’s physical launch followed. The reactor achieved a capacity of 100 watts.

https://tass.com/science/1253791

Reactor PIK

• Thermal power 100 mW
• Flux density of thermal neutrons (maximum) 5*1015cm-2*c-1
• Flux density of thermal neutrons in the reflector 1,5*1015cm-2*c-1
• Energy release in the reactor core (average) 2,0 MW/L
• Energy release in the reactor core (maximum) 6,6 MW/L
• Coolantlight water
• Reflectorheavy water
• Number of horizontal experimental channels 10
• Number of inclined experimental channels 6
• Number of vertical experimental channels 6
• Number of cold neutron sources 3
• Number of hot neutron sources 1
• Number of experimental stations 50

The high-flux research nuclear reactor PIK at PNPI reached its first criticality on 28 February 2011 as a part of the start-up complex №1.


Increased neutron fluxes in the reflector, the presence of a neutron trap with a very high flow and the potential for exposure of materials in the active zone is what makes the PIK reactor different from most similar foreign projects. The maximum density of the unperturbed thermal neutron flux is close to the value of 5×1015cm-2×s-1 and corresponds to the record values obtained in reactors of continuous action.


After its power start-up, the reactor complex will include: the neutron source (thermal power of 100 MW, the neutron flux of more than 1015 n/cm2s) and several dozens of experimental stations.


The PIK reactor will become a basis for the world-class International Center for Neutron Research (ICNR).

http://www.pnpi.spb.ru/en/facilities/reactor-pik