Study of Manufacturing Process of Holes in Aeroengine Heat Shield

<table class="table-group" id="tab7"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">Test no.</td><td class="align_center">Conditions<br/>(<span class="nowrap"><svg height="8.79011pt" id="M136" style="vertical-align:-0.04980946pt" version="1.1" viewbox="-0.0498162 -8.7403 9.31206 8.79011" width="9.31206pt" 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="M687 0V35C623 43 611 56 577 144C512 316 450 490 386 665L335 652L130 138C97 54 84 43 18 35V0H242V35C169 44 166 58 181 106C193 146 206 182 217 213H409C424 173 439 130 449 100C465 56 460 44 401 35V0H687ZM390 266H234C260 337 285 410 313 483H316L390 266Z"></path></g></svg>,</span> <span class="nowrap"><svg height="8.79011pt" id="M137" style="vertical-align:-0.04980946pt" version="1.1" viewbox="-0.0498162 -8.7403 8.41169 8.79011" width="8.41169pt" 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="M401 353C473 367 557 406 557 502C557 551 535 592 498 616C460 640 410 650 333 650H41V615C112 608 121 602 121 516V134C121 49 112 42 35 35V0H289C372 0 449 14 500 43C556 74 593 126 593 193C593 288 517 335 401 349V353ZM253 363V553C253 574 255 589 262 596C268 602 284 609 307 609C361 609 415 575 415 484C415 401 372 363 276 363H253ZM253 323H273C386 323 445 276 445 182C445 84 382 43 326 42C273 41 253 62 253 136V323Z"></path></g></svg>,</span> <span class="nowrap"><svg height="8.97279pt" id="M138" style="vertical-align:-0.2324896pt" version="1.1" viewbox="-0.0498162 -8.7403 8.92059 8.97279" width="8.92059pt" 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="M625 186C574 85 512 32 429 32C293 32 194 153 194 337C194 485 274 621 419 621C496 621 573 586 606 468L643 475C636 537 629 583 620 638C593 644 519 665 438 665C199 665 42 523 42 317C42 158 152 -15 418 -15C486 -15 578 5 604 11C621 46 647 122 660 171L625 186Z"></path></g></svg>,</span> <span class="nowrap"><svg height="8.79011pt" id="M139" style="vertical-align:-0.04980946pt" version="1.1" viewbox="-0.0498162 -8.7403 10.0297 8.79011" width="10.0297pt" 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="M41 650V615C111 608 121 602 121 516V134C121 48 111 42 32 35V0H289C413 0 518 27 592 83C668 141 717 229 717 351C717 446 678 517 628 564C564 625 467 650 341 650H41ZM255 540C255 569 257 586 265 595C272 602 292 609 328 609C397 609 450 589 491 547C537 502 566 426 566 331C566 152 474 43 340 43C270 43 255 68 255 140V540Z"></path></g></svg>,</span> and <span class="nowrap"><svg height="8.79011pt" id="M140" style="vertical-align:-0.04980946pt" version="1.1" viewbox="-0.0498162 -8.7403 7.68096 8.79011" width="7.68096pt" 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="M535 173C517 129 499 97 479 75C456 50 421 43 369 43C331 43 297 45 279 53C259 63 255 87 255 135V309H322C407 309 420 305 433 233H469V434H433C420 364 406 359 322 359H255V571C255 604 259 606 296 606H344C400 606 427 599 444 581C462 563 475 530 484 495L521 500C517 562 512 632 511 650H40V615C111 609 121 604 121 517V133C121 48 111 42 26 35V0H536C544 30 564 121 571 166L535 173Z"></path></g></svg>)</span></td><td class="align_center">Slag thickness (<i>μ</i>m)</td><td class="align_center">Cut the proportion (%)</td><td class="align_center">Comprehensive score (<span class="nowrap"><svg height="11.8174pt" id="M141" style="vertical-align:-3.1815pt" version="1.1" viewbox="-0.0498162 -8.6359 14.4516 11.8174" width="14.4516pt" 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="M697 650H468L461 623L492 619C539 613 547 605 518 546C481 471 367 264 278 116H276C239 278 197 500 186 567C180 604 185 613 226 619L252 623L260 650H24L17 623C78 617 92 613 108 533L216 -11H247C365 200 515 462 560 529C616 612 624 615 689 623L697 650Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,7.332,3.132)"><path d="M722 32C646 41 636 48 622 116L544 496L509 667L472 658L153 123C106 45 93 42 27 32L18 0H259L268 32C178 40 172 48 204 107L272 233H509C523 180 533 137 540 96C548 50 546 39 466 32L457 0H714L722 32ZM502 283H299L448 547H450L502 283Z"></path></g></svg>)</span></td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">17</td><td class="align_center">43311</td><td class="align_center">21.5</td><td class="align_center">100</td><td class="align_center">98.93</td></tr><tr><td class="align_left">18</td><td class="align_center">43321</td><td class="align_center">17.7</td><td class="align_center">100</td><td class="align_center">99.12</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Comprehensive evaluation table of validation experiment.</div>

International Journal of Aerospace Engineering

tab7

Table 7

Table 7: Study of Manufacturing Process of Holes in Aeroengine Heat Shield 