PNPI  
National Research Center "Kurchatov Institute"
Petersburg Nuclear Physics Institute

NEUTRON RESEARCH DEPARTMENT

Petersburg Nuclear Physics Institute
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7th International Workshop "Ultra Cold & Cold Neutrons. Physics & Sources." 8-14 of June 2009
 WWR-M reactor
Characteristics of
  WWR-M

Research at WWR-M

 

   The distinctive features of the reactor are the possibility of placing rather large experimental devices inside the core and a hot cell above the reactor which considerably expands the experimental potentialities.

16 MW research WWR-M reactor

Typethermal, heterogeneous, research
Rated power, MW18
Fuel elementsconcentric pipes of uranium (enriched to 90%) and aluminium alloy, aluminium enveloped
235U quantity in reactor core, kg8-10
Moderator and coolantlight water
Reflectormetallic beryllium
Peak thermal neutron flux (in light water trap), n/cm2 sup to 4x1014
Number of horizontal neutron extraction channels17
Neutron flux at channel inlet, n/cm2 sup to 1.5x1014
Number of vertical channels for sample irradiation in flux up to 1.5x1014, n/cm2 s18

 

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