[Retracted] Numerical Investigation on the Dynamic Characteristics of an Adjustable Power Turbine Used in Environmental Control System

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Parameter</td><td class="align_center">Value</td><td class="align_center">Parameter</td><td class="align_center">Value</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">Impeller blade number <svg height="12.2402pt" id="M1" style="vertical-align:-3.29112pt" version="1.1" viewbox="-0.0498162 -8.94908 13.4077 12.2402" width="13.4077pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,2.175,0)"><path d="M574 193C552 131 535 101 511 78C482 51 412 45 334 45C271 45 243 47 210 51C335 250 459 440 584 635L576 650H170C138 650 127 652 112 675H86C84 623 78 553 75 476L108 475C119 522 135 552 147 570C163 594 182 605 284 605H410C286 412 157 211 29 17L40 0H571C581 35 599 136 607 185L574 193Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,10.252,3.132)"><path d="M250 606C250 634 233 656 203 656C168 656 146 618 146 593C146 564 169 545 192 545C227 545 250 573 250 606ZM227 95L212 119C187 98 152 71 135 71C129 71 128 78 134 102L207 373C219 418 217 451 194 451C165 451 92 411 30 351L44 326C77 353 106 371 114 371C124 371 121 357 117 341L55 97C32 5 46 -12 70 -12C108 -12 191 51 227 95Z"></path></g></svg></td><td class="align_center">16</td><td class="align_center">Nozzle inner diameter <svg height="11.6151pt" id="M2" style="vertical-align:-3.18146pt" version="1.1" viewbox="-0.0498162 -8.43364 22.504 11.6151" width="22.504pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,2.175,0)"><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><g transform="matrix(.0091,0,0,-0.0091,12.105,3.132)"><path d="M415 0V41C335 46 327 62 327 127V635C236 611 161 593 93 583V547L150 544C187 541 192 535 192 483V127C192 59 182 46 102 41V0H415Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,16.719,3.132)"><path d="M549 0V32C497 40 491 42 491 105V294C491 394 441 454 360 454C331 454 312 445 282 426C260 412 240 396 220 383V456C161 439 95 425 39 418V390C87 380 92 377 92 317V109C92 42 88 41 26 32V0H267V32C225 38 220 42 220 104V346C246 366 268 377 294 377C330 377 363 355 363 283V113C363 42 358 38 316 32V0H549Z"></path></g></svg></td><td class="align_center">99</td></tr><tr><td class="align_left">Nozzle ring outlet blade height <svg height="12.4176pt" id="M3" style="vertical-align:-3.18147pt" version="1.1" viewbox="-0.0498162 -9.23613 11.5705 12.4176" width="11.5705pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,2.175,0)"><path d="M270 0V32C208 38 203 43 203 110V703C146 688 72 674 15 667V637C70 630 75 628 75 567V110C75 45 70 41 10 32V0H270Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,5.803,3.132)"><path d="M549 0V32C497 40 491 42 491 105V294C491 394 441 454 360 454C331 454 312 445 282 426C260 412 240 396 220 383V456C161 439 95 425 39 418V390C87 380 92 377 92 317V109C92 42 88 41 26 32V0H267V32C225 38 220 42 220 104V346C246 366 268 377 294 377C330 377 363 355 363 283V113C363 42 358 38 316 32V0H549Z"></path></g></svg></td><td class="align_center">5.2</td><td class="align_center">Nozzle throat width <svg height="12.4176pt" id="M4" style="vertical-align:-3.18147pt" version="1.1" viewbox="-0.0498162 -9.23613 14.911 12.4176" width="14.911pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,2.175,0)"><path d="M196 417V703C139 687 58 673 7 667V636C63 632 68 623 68 566V24C137 -2 188 -12 244 -12C390 -12 504 97 504 243C504 355 418 454 297 454C277 454 261 447 233 434L196 417ZM196 382C211 387 221 389 238 389C301 389 365 339 365 212C365 87 316 27 262 28C230 29 207 59 201 75C198 83 196 94 196 108V382Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,9.143,3.132)"><path d="M549 0V32C497 40 491 42 491 105V294C491 394 441 454 360 454C331 454 312 445 282 426C260 412 240 396 220 383V456C161 439 95 425 39 418V390C87 380 92 377 92 317V109C92 42 88 41 26 32V0H267V32C225 38 220 42 220 104V346C246 366 268 377 294 377C330 377 363 355 363 283V113C363 42 358 38 316 32V0H549Z"></path></g></svg></td><td class="align_center">4.5</td></tr><tr><td class="align_left">Impeller outlet hub diameter <svg height="11.6151pt" id="M5" style="vertical-align:-3.18146pt" version="1.1" viewbox="-0.0498162 -8.43364 22.3579 11.6151" width="22.3579pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,2.175,0)"><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><g transform="matrix(.0091,0,0,-0.0091,12.105,3.132)"><path d="M440 180C404 113 397 110 338 110H183L298 220C398 316 438 379 438 456C438 568 354 635 254 635C192 635 138 610 101 572L36 479L69 452C103 500 144 541 204 541C270 541 306 494 306 425C306 350 267 276 197 193C148 136 89 81 36 30V0H440C451 42 463 106 480 167L440 180Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,16.719,3.132)"><path d="M531 0V32C480 40 474 41 474 105V288C474 398 423 454 336 454C286 454 237 424 203 390V703C143 688 72 674 19 667V637C71 631 75 632 75 571V105C75 41 69 38 12 32V0H249V32C207 38 203 46 203 101V352C225 373 251 380 275 380C314 380 347 354 347 277V101C347 46 344 39 296 32V0H531Z"></path></g></svg></td><td class="align_center">24</td><td class="align_center">Impeller exit blade height <svg height="12.4176pt" id="M6" style="vertical-align:-3.18147pt" version="1.1" viewbox="-0.0498162 -9.23613 11.0316 12.4176" width="11.0316pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,2.175,0)"><path d="M270 0V32C208 38 203 43 203 110V703C146 688 72 674 15 667V637C70 630 75 628 75 567V110C75 45 70 41 10 32V0H270Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,5.803,3.132)"><path d="M440 180C404 113 397 110 338 110H183L298 220C398 316 438 379 438 456C438 568 354 635 254 635C192 635 138 610 101 572L36 479L69 452C103 500 144 541 204 541C270 541 306 494 306 425C306 350 267 276 197 193C148 136 89 81 36 30V0H440C451 42 463 106 480 167L440 180Z"></path></g></svg></td><td class="align_center">14</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Basic parameters of the power turbine.</div>

Complexity

tab1

Table 1

Table 1: [Retracted] Numerical Investigation on the Dynamic Characteristics of an Adjustable Power Turbine Used in Environmental Control System 