Numerical Simulation of Flow-Induced Vibration of Three-Dimensional Elastic Heat Exchanger Tube Bundle Based on Fluid-Structure Coupling

<table class="table-group" id="tab5"><tr><td><table class="table"><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr class="thead"><td class="align_left">Grid</td><td class="align_center">Quantity</td><td class="align_center"><span style="width: 14.4268ptpx;"><svg height="15.3066pt" id="M14" style="vertical-align:-3.2911pt" version="1.1" viewbox="-0.0498162 -12.0155 14.4268 15.3066" width="14.4268pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><rect height="0.65243" width="14.3272" x="0" y="-11.3132"></rect><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M614 175C564 76 510 21 408 21C256 21 146 149 146 336C146 488 235 629 402 629C510 629 570 586 597 480L626 488C620 541 614 582 606 638C578 643 510 665 429 665C206 665 44 527 44 316C44 157 153 -15 402 -15C474 -15 558 5 586 11C604 45 629 119 643 165L614 175Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,8.677,3.132)"><path d="M538 684C542 703 539 710 529 710C512 710 455 682 363 674L361 644H396C444 644 448 642 438 594L405 438C373 450 347 451 336 451C288 451 200 416 147 374C69 312 24 207 24 113C24 29 60 -12 94 -12C126 -12 156 4 196 30C231 53 296 100 346 166H348L328 81C311 10 325 -12 348 -12C380 -12 450 24 512 98L495 125C466 97 431 70 417 70C408 70 408 80 411 98L538 684ZM390 373L361 240C336 196 210 56 145 56C132 56 113 73 113 131C113 216 156 338 220 379C243 394 266 402 303 402C331 402 375 388 390 373Z"></path></g></svg></span></td><td class="align_center"><span style="width: 11.7244ptpx;"><svg height="15.1892pt" id="M15" style="vertical-align:-3.291101pt" version="1.1" viewbox="-0.0498162 -11.8981 11.7244 15.1892" width="11.7244pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><rect height="0.65243" width="11.6248" x="0" y="-11.1958"></rect><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M645 631C614 643 545 666 457 666C215 666 23 519 23 283C23 90 158 -16 337 -16C412 -16 489 2 522 10C543 39 590 127 606 167L580 181C519 89 459 18 348 18C201 18 122 136 122 287C122 464 244 632 435 632C544 632 602 595 608 472L639 475C643 526 645 581 645 631Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,8.619,3.132)"><path d="M238 675C244 702 241 710 231 710C220 710 155 682 74 673L70 643H101C147 643 151 635 142 594L39 111C18 11 36 -12 55 -12C89 -12 170 38 223 103L207 129C176 98 130 68 118 68C113 68 108 72 114 102L238 675Z"></path></g></svg></span></td><td class="align_center">Lift frequency (hz)</td><td class="align_center">St</td></tr><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr><td class="align_left">1</td><td class="align_center">42728</td><td class="align_center">2.19</td><td class="align_center">0.108</td><td class="align_center">60</td><td class="align_center">0.24</td></tr><tr><td class="align_left">2</td><td class="align_center">69685</td><td class="align_center">1.863</td><td class="align_center">0.119</td><td class="align_center">51.82</td><td class="align_center">0.207</td></tr><tr><td class="align_left">3</td><td class="align_center">81104</td><td class="align_center">1.721</td><td class="align_center">−0.02</td><td class="align_center">49.75</td><td class="align_center">0.199</td></tr><tr><td class="align_left">4</td><td class="align_center">115238</td><td class="align_center">1.728</td><td class="align_center">−0.027</td><td class="align_center">50</td><td class="align_center">0.200</td></tr><tr class="table-tr"><td colspan="6"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Shock and Vibration

tab5

Table 5

Table 5: Numerical Simulation of Flow-Induced Vibration of Three-Dimensional Elastic Heat Exchanger Tube Bundle Based on Fluid-Structure Coupling 