Shielding Verifications for a Gamma Irradiation Facility Considering the Installation of a New Automatic Product Loading System

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Position</td><td class="align_center">Without hole<br/>MCNPX D (<i>µ</i>Sv/h)</td><td class="align_center">With hole<br/>MCNPX D (<i>µ</i>Sv/h)</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">9</td><td class="align_center">0.40</td><td class="align_center">0.90</td></tr><tr><td class="align_left">10</td><td class="align_center">1.40</td><td class="align_center">1.80</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Comparison of dose rate without and with hole at the labyrinth entrance door obtained with MCNPX code with <svg height="10.3089pt" id="M9" style="vertical-align:-0.2063999pt" version="1.1" viewbox="-0.0498162 -10.1025 19.3449 10.3089" width="19.3449pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.0091,0,0,-0.0091,0,-5.741)"><path d="M486 158C486 177 478 202 466 220C413 228 386 236 336 262C386 288 413 297 466 304C478 323 486 347 485 366C470 376 444 381 422 380C389 338 368 319 321 288C323 345 329 372 349 422C339 442 322 461 305 470C289 461 271 442 262 422C281 372 287 345 290 288C243 319 222 338 189 380C167 381 142 376 125 366C125 347 133 322 145 304C198 296 225 288 275 262C225 236 198 227 145 220C133 201 125 177 126 158C141 148 167 143 189 144C222 186 243 205 290 236C288 179 282 152 262 102C272 82 289 63 306 54C322 63 340 82 350 102C330 152 324 179 321 236C368 205 390 186 422 144C444 143 470 148 486 158Z" id="g50-43"></path></g><g transform="matrix(.013,0,0,-0.013,6.079,0)"><path d="M493 503C489 551 484 614 483 650H43V622C120 616 128 611 128 525V126C128 40 120 34 40 28V0H312V28C221 34 213 40 213 126V307H316C407 307 412 296 424 227H453V420H424C412 355 407 346 316 346H213V584C213 613 216 616 246 616H322C398 616 419 607 436 579C449 559 455 539 464 499L493 503Z" id="g121-68"></path></g><g transform="matrix(.013,0,0,-0.013,12.956,0)"><path d="M153 550H386L412 615L406 623H120L82 318C104 327 142 338 184 338C294 338 347 275 347 187C347 112 305 39 221 39C160 39 119 71 97 89C88 97 80 96 71 90C59 80 50 67 49 57C48 45 52 36 66 23C80 9 123 -12 169 -12C221 -11 288 15 342 59C403 109 431 165 431 225C431 308 366 395 238 395C212 395 165 379 127 364L153 550Z" id="g113-54"></path></g></svg> tally.

Science and Technology of Nuclear Installations

tab1

Table 1

Table 1: Shielding Verifications for a Gamma Irradiation Facility Considering the Installation of a New Automatic Product Loading System 