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' B. Hall, R. Cumberland, W. Wieselquist, and R. Sweet (2021). "Isotopic and Fuel 

' Lattice Parameter Trends in Extended Enrichment and Higher Burnup LWR Fuel Vol I: 

' PWR fuel," ORNL/TM-2020/1833, Oak Ridge National Laboratory, Oak Ridge, TN.

=t-depl parm=(addnux=1)

PWR pin cell

v7.1-56

read comp

  uo2       1 den=10.4 1 900 92235 8.0  92238 92.0 end

  zirc4     2 den=6.56 1 700 end

  h2o       3 den=0.7048 1.00000 583.15 end

  b         3 den=0.7048 0.00152 583.15 end

end comp

read celldata

  latticecell squarepitch pitch=1.32077 3 fuelr=0.4096 1 gapr=0.418 0 cladr=0.4750 2 end

end celldata

read depletion

-1  

end depletion

read burndata

power=40 burn=2.5  down=0 nlib=1  end

power=40 burn=22.5 down=0 nlib=1  end

power=40 burn=25   down=0 nlib=1  end

power=40 burn=50   down=0 nlib=1  end

power=40 burn=2100 down=0 nlib=21 end

end burndata

read model

newt model

read parameters

sn=6 drawit=no cmfd=rect

end parameters

read materials

mix=1 pn=1 end

mix=2 pn=1 end

mix=3 pn=2 end

end materials

read geometry

Global Unit 1

cylinder 10 0.4096 

cylinder 20 0.418  

cylinder 30 0.4750 

cuboid   40 0.660385 -0.660385 0.660385 -0.660385 

  media 1 1 10

  media 0 1 20 -10

  media 2 1 30 -20

  media 3 1 40 -30

boundary 40 4 4

end geometry

READ bounds

all=mirror

END bounds

end model

end