Numerical Investigation of Water Film Evaporation with the Countercurrent Air in the Asymmetric Heating Rectangular Channel for Passive Containment Cooling System

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">Total number of grid cells</td><td class="align_center">640,000</td><td class="align_center">960,000</td><td class="align_center">1,440,000</td><td class="align_center">2,160,000</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left"><svg height="12.9866pt" id="M102" style="vertical-align:-4.3507pt" version="1.1" viewbox="-0.0498162 -8.6359 56.3444 12.9866" width="56.3444pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M488 658H270V630C328 626 335 619 335 579C217 574 44 509 44 330C44 147 221 88 335 86C335 38 328 32 265 28V0H488V28C425 32 418 38 418 86C534 88 710 153 710 337C710 517 538 575 418 579C418 619 425 626 488 630V658ZM335 118C249 124 136 180 136 337C136 490 251 543 335 547V118ZM418 547C502 543 618 491 618 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116 319C124 349 133 371 145 385C156 397 171 404 190 404C241 404 275 364 275 291V274C253 256 180 229 120 209C65 190 39 159 39 110C39 47 88 -12 159 -12C189 -12 237 25 277 52C282 35 288 21 301 8C312 -3 333 -12 348 -12L433 39ZM275 84C256 65 221 48 195 48C164 48 124 73 124 124C124 161 146 180 185 198C206 208 254 229 275 240V84Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,53.237,3.132)"><path d="M238 0V26C174 32 166 38 166 104V712C132 700 70 683 18 677V653C81 647 87 645 87 577V104C87 38 78 32 15 26V0H238Z"></path></g></svg> (kW)</td><td class="align_center">102.90</td><td class="align_center">91.40</td><td class="align_center">90.97</td><td class="align_center">90.77</td></tr><tr><td class="align_left"><span class="nowrap"><svg height="14.1179pt" id="M103" style="vertical-align:-5.36456pt" version="1.1" viewbox="-0.0498162 -8.75334 93.5462 14.1179" width="93.5462pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g 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37 197C37 90 112 -12 238 -12C297 -12 363 32 407 90L390 111Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,86.257,3.132)"><path d="M433 39L423 65C413 59 399 54 387 54C370 54 352 69 352 114V299C352 352 342 392 307 422C285 440 255 449 225 449C168 437 102 399 75 379C56 365 44 353 44 339C44 315 69 296 87 296C101 296 111 303 116 319C124 349 133 371 145 385C156 397 171 404 190 404C241 404 275 364 275 291V274C253 256 180 229 120 209C65 190 39 159 39 110C39 47 88 -12 159 -12C189 -12 237 25 277 52C282 35 288 21 301 8C312 -3 333 -12 348 -12L433 39ZM275 84C256 65 221 48 195 48C164 48 124 73 124 124C124 161 146 180 185 198C206 208 254 229 275 240V84Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,90.297,3.132)"><path d="M238 0V26C174 32 166 38 166 104V712C132 700 70 683 18 677V653C81 647 87 645 87 577V104C87 38 78 32 15 26V0H238Z"></path></g></svg>,</span> (kg/s)</td><td class="align_center">0.04070</td><td class="align_center">0.03573</td><td class="align_center">0.03562</td><td class="align_center">0.03553</td></tr><tr><td class="align_left"><i>T</i><sub><i>l</i>,ave</sub> (K)</td><td class="align_center">348.98</td><td class="align_center">347.21</td><td class="align_center">347.34</td><td class="align_center">347.31</td></tr><tr><td class="align_left"><i>T</i><sub><i>f</i></sub> (K)</td><td class="align_center">322.40</td><td class="align_center">321.02</td><td class="align_center">321.79</td><td class="align_center">321.77</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Grid independence analysis for the Eulerian_ EWF method.</div>

Science and Technology of Nuclear Installations

tab3

Table 3

Table 3: Numerical Investigation of Water Film Evaporation with the Countercurrent Air in the Asymmetric Heating Rectangular Channel for Passive Containment Cooling System 

Table 3 | Numerical Investigation of Water Film Evaporation with the Countercurrent Air in the Asymmetric Heating Rectangular Channel for Passive Containment Cooling System 