Uncertainty Analysis of Light Water Reactor Fuel Lattices

<table class="table-group" id="tab6"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td align="left">Parameter</td><td align="center"><sup>
									235</sup>U</td><td align="center"><sup>
									239</sup>Pu</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td align="left">Average <svg height="7.9499998" id="M84" style="vertical-align:-0.1638pt" version="1.1" viewbox="0 0 9.1625004 7.9499998" width="9.1625004" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,7.675)"><path d="M509 373q0 -52 -42.5 -118.5t-124.5 -159.5l-94 -107h-27q-22 209 -78 342q-21 48 -41 48q-18 0 -63 -62l-22 21q77 111 125 111q30 0 52 -21.5t38 -75.5q37 -130 52 -285q48 62 74.5 99.5t53.5 87t27 76.5q0 43 -17 60q-5 5 -5 15q0 17 12.5 30.5t28.5 13.5
q21 0 36 -22.5t15 -52.5z" id="x1D708"></path></g>
</svg></td><td align="center">2.4</td><td align="center">2.9</td></tr><tr><td align="left">Average <svg height="12.175" id="M85" style="vertical-align:-3.56265pt" version="1.1" viewbox="0 0 8.5249996 12.175" width="8.5249996" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,7.675)"><path d="M471 401q0 -32 -14 -91l-83 -376q-30 -146 -21 -180l-7 -15q-22 0 -47.5 23.5t-25.5 40.5q0 49 53 271l53 224q4 18 6.5 31t3.5 22.5t1 15t-2 9t-4.5 4.5t-6.5 1q-31 0 -100.5 -63.5t-126.5 -145.5q-16 -53 -40 -163q-48 -11 -74 -21l-7 8l82 341q9 36 -4 36
q-8 0 -28.5 -14t-38.5 -32l-17 22q41 43 85 71t66 28q23 0 23 -39q0 -19 -10 -64l-24 -103h2q77 101 201 182q37 24 74 24q31 0 31 -47z" id="x1D702"></path></g>
</svg></td><td align="center">2.0</td><td align="center">1.9</td></tr><tr><td align="left">Average <svg height="12.325" id="M86" style="vertical-align:-3.39069pt" version="1.1" viewbox="0 0 41.287498 12.325" width="41.287498" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,8.038)"><path d="M548 455q-32 -77 -74 -77q-37 0 -103 10l-3 -2q36 -30 48.5 -62t12.5 -80q0 -103 -75 -179.5t-175 -76.5q-70 0 -113 45t-43 128q0 115 83.5 200.5t209.5 85.5q31 0 77.5 -4t67.5 -4q36 0 62 30zM350 274q0 54 -17 86q-19 35 -57 35q-50 0 -90 -37.5t-59 -91.5t-19 -109
q0 -61 24.5 -96.5t65.5 -35.5q51 0 87.5 46.5t50.5 100.5t14 102z" id="x1D70E"></path></g>
<g transform="matrix(.012,-0,0,-.012,9.663,12.112)"><path d="M523 15v-15h-220v15c31.3333 3.33333 50.3333 9.33333 57 18c7.33545 9.33333 11.0021 31.3333 11 66v261c0 25.3337 -5.66666 41.0004 -17 47c-10.6668 6.66666 -39.3335 10 -86 10h-84v-327c0 -28 4.5 -47 13.5 -57s27.1667 -16 54.5 -18v-15h-220v15
c28 0.666667 46.3333 6.33333 55 17c8.66666 10.6667 13 32 13 64v321h-67v33h68c6 53.3337 13 92.0004 21 116c8.66667 23.3333 25.6667 46.6667 51 70c37.3333 31.3333 86.3333 47 147 47c39.3336 0 70.0003 -6 92 -18c22 -12.0018 33 -28.6685 33 -50
c0 -27.3344 -11.6667 -41.0011 -35 -41c-11.3333 0 -22.8333 7 -34.5 21s-24.6667 28 -39 42s-30.1667 21 -47.5 21c-30 -0.00128174 -55 -10.6679 -75 -32c-12.6667 -12.6667 -20.8333 -27.6667 -24.5 -45c-3.66667 -17.3339 -5.5 -46.0005 -5.5 -86v-45h154
c28.6667 0.00170898 66.6667 3.6684 114 11l5 -4c-1.33334 -46.6667 -2 -79.6667 -2 -99v-259c0.00259399 -30.6667 4.66928 -51.6667 14 -63c9.33334 -11.3333 27.3333 -18.3333 54 -21z" id="xFB01"></path></g><g transform="matrix(.012,-0,0,-.012,16.302,12.112)"><path d="M319 325l-25 -7q-33 99 -103 99q-29 0 -47 -19.5t-18 -49.5t22 -49.5t62 -36.5q63 -26 95 -57t32 -79q0 -64 -50 -101t-115 -37q-35 0 -67.5 10.5t-46.5 23.5q-5 11 -11 51t-6 67l27 5q14 -53 46.5 -88.5t75.5 -35.5q29 0 50 19.5t21 50.5t-19.5 51.5t-59.5 39.5
q-28 12 -46 22.5t-38.5 27t-30.5 38.5t-10 49q0 54 42.5 92t109.5 38q48 0 88 -18q6 -15 13 -50.5t9 -55.5z" id="x73"></path></g><g transform="matrix(.012,-0,0,-.012,20.621,12.112)"><path d="M319 325l-25 -7q-33 99 -103 99q-29 0 -47 -19.5t-18 -49.5t22 -49.5t62 -36.5q63 -26 95 -57t32 -79q0 -64 -50 -101t-115 -37q-35 0 -67.5 10.5t-46.5 23.5q-5 11 -11 51t-6 67l27 5q14 -53 46.5 -88.5t75.5 -35.5q29 0 50 19.5t21 50.5t-19.5 51.5t-59.5 39.5
q-28 12 -46 22.5t-38.5 27t-30.5 38.5t-10 49q0 54 42.5 92t109.5 38q48 0 88 -18q6 -15 13 -50.5t9 -55.5z" id="x73"></path></g><g transform="matrix(.012,-0,0,-.012,24.988,12.112)"><path d="M135 536q-20 0 -35 15.5t-15 35.5q0 22 15 37t36 15t35.5 -15t14.5 -37q0 -21 -15 -36t-36 -15zM252 0h-220v26q48 5 59 17t11 63v206q0 47 -9 58t-54 18v24q78 12 142 39v-345q0 -51 11.5 -63t59.5 -17v-26z" id="x69"></path></g><g transform="matrix(.012,-0,0,-.012,28.177,12.112)"><path d="M257 449q92 0 154 -65t62 -158q0 -112 -67 -175t-150 -63q-98 0 -158.5 66.5t-60.5 154.5q0 59 21 106.5t54.5 75.5t71 43t73.5 15zM244 416q-48 0 -81 -47t-33 -128q0 -96 38 -158t99 -62q51 0 82 43.5t31 139.5q0 91 -36 151.5t-100 60.5z" id="x6F"></path></g><g transform="matrix(.012,-0,0,-.012,34.103,12.112)"><path d="M524 0h-209v26q44 5 55 18t11 65v167q0 114 -91 114q-50 0 -109 -51v-235q0 -50 10 -61.5t55 -16.5v-26h-217v26q51 5 62 17t11 61v206q0 47 -9.5 58.5t-50.5 19.5v23q82 15 139 40v-79l67 47q47 30 83 30q60 0 94.5 -40t34.5 -112v-193q0 -50 10 -61.5t54 -16.5v-26z
" id="x6E"></path></g>
</svg></td><td align="center">280 barns</td><td align="center">790 barns</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

LWR neutronics parameters [<a href="/journals/stni/2013/437409/#B6">6</a>, Table 3–1 page 88].

Science and Technology of Nuclear Installations

Uncertainty Analysis of Light Water Reactor Fuel Lattices

Table 6