Knowledge

Air cooling

Source πŸ“

43: 27: 208:
P V Lamarque, "The design of cooling fins for Motorcycle Engines", Report of the Automobile Research Committee, Institution of Automobile Engineers Magazine, March 1943 issue, and also in "The Institution of Automobile Engineers Proceedings, Session 1942-1943, pp 99-134 and
61:
to the surface of the object, either by making them integral or by attaching them tightly to the object's surface (to ensure efficient heat transfer). In the case of the latter, it is done by using a
69:
increases its total surface area, resulting in greater cooling effectiveness. There are two types of cooling pads that can be used for air cooling: one is the honeycomb design and another one is
95:
is the height over sea level in meters. And the result is the factor that should be multiplied with the cooling capacity in to get the cooling capacity at the specified height over sea level.
167: 88:
When operating in an environment with lower air pressure like high altitude or airplane cabins, the cooling capacity has to be derated compared to that of sea level.
240: 57:. It works by expanding the surface area or increasing the flow of air over the object to be cooled, or both. An example of the former is to add 164: 215:
Anish Gokhale et al.: "Optimization of Engine Cooling through Conjugate Heat Transfer Simulation and Analysis of Fins"; SAE Paper 2012-32-0054
42: 233: 76:
In all cases, the air has to be cooler than the object or surface from which it is expected to remove heat. This is due to the
808: 80:, which states that heat will only move spontaneously from a hot reservoir (the heat sink) to a cold reservoir (the air). 226: 907: 747: 897: 425: 664: 722: 306: 77: 902: 249: 188: 858: 772: 737: 717: 669: 577: 853: 694: 403: 628: 450: 140: 114: 58: 567: 408: 212:
Julius Mackerle, "Air-Cooled Motor Engines". Charles Griffin & Company Ltd., London 1972
562: 334: 165:
ericsson.net – Forced air cooling of DC/DC power modules at high altitude, Design Note 025
8: 712: 610: 340: 119: 633: 430: 435: 375: 326: 727: 684: 643: 592: 557: 478: 465: 104: 62: 20: 838: 549: 398: 355: 171: 65:
blowing air into or onto the object one wants to cool. The addition of fins to a
704: 674: 529: 296: 891: 876: 767: 760: 582: 514: 509: 473: 390: 330: 291: 281: 218: 124: 31: 493: 488: 455: 360: 350: 286: 270: 109: 46:
CPU cooler Thermalright Le Grand Macho RT installed into the computer case.
871: 572: 524: 483: 440: 370: 146: 129: 91:
A rule-of-thumb formula to note: 1 – (h/17500) = derating factor. Where
843: 803: 782: 777: 679: 587: 519: 445: 385: 316: 798: 539: 534: 321: 301: 134: 70: 66: 821: 817: 689: 420: 345: 311: 35: 26: 848: 732: 659: 638: 415: 365: 813: 199: 54: 260: 16:
Method of dissipating heat directly into the atmosphere
889: 248: 234: 189:"The design of fins for air-cooled cylinders" 83: 241: 227: 307:Crankcase ventilation system (PCV valve) 186: 41: 25: 890: 222: 13: 180: 14: 919: 409:Overhead valve (pushrod) layout 158: 1: 152: 78:second law of thermodynamics 34:computer heat sink has many 7: 98: 53:is a method of dissipating 10: 924: 250:Internal combustion engine 174:table "Cooling efficiency" 18: 908:Computer hardware cooling 867: 831: 791: 746: 718:Diesel particulate filter 703: 670:Idle air control actuator 652: 619: 611:Engine control unit (ECU) 601: 548: 502: 464: 384: 269: 256: 84:Derating at high altitude 783:Viscous fan (fan clutch) 695:Throttle position sensor 404:Overhead camshaft layout 19:Not to be confused with 322:Core plug (freeze plug) 187:Biermann, A.E. (1941). 898:Engine cooling systems 115:Deep water air cooling 47: 39: 45: 29: 563:Compression ignition 713:Catalytic converter 120:Evaporative cooling 903:Cooling technology 839:Knocking / pinging 431:Combustion chamber 170:2011-08-11 at the 48: 40: 885: 884: 854:Stratified charge 621:Electrical system 603:Engine management 436:Compression ratio 376:Starter ring gear 275:rotating assembly 915: 728:Exhaust manifold 593:Spark plug wires 479:Boost controller 466:Forced induction 243: 236: 229: 220: 219: 203: 193: 175: 162: 105:Computer cooling 21:air conditioning 923: 922: 918: 917: 916: 914: 913: 912: 888: 887: 886: 881: 863: 859:Top dead centre 827: 787: 742: 699: 648: 622: 615: 604: 597: 544: 498: 460: 416:Tappet / lifter 399:Flathead layout 389: 380: 274: 265: 252: 247: 191: 183: 181:Further reading 178: 172:Wayback Machine 163: 159: 155: 101: 86: 24: 17: 12: 11: 5: 921: 911: 910: 905: 900: 883: 882: 880: 879: 874: 868: 865: 864: 862: 861: 856: 851: 846: 841: 835: 833: 829: 828: 826: 825: 811: 806: 801: 795: 793: 789: 788: 786: 785: 780: 775: 770: 764: 763: 758: 752: 750: 748:Cooling system 744: 743: 741: 740: 735: 730: 725: 720: 715: 709: 707: 705:Exhaust system 701: 700: 698: 697: 692: 687: 682: 677: 675:Inlet manifold 672: 667: 662: 656: 654: 650: 649: 647: 646: 641: 636: 631: 625: 623: 620: 617: 616: 614: 613: 607: 605: 602: 599: 598: 596: 595: 590: 585: 580: 575: 570: 565: 560: 554: 552: 546: 545: 543: 542: 537: 532: 530:Fuel injection 527: 522: 517: 512: 506: 504: 500: 499: 497: 496: 491: 486: 481: 476: 470: 468: 462: 461: 459: 458: 453: 448: 443: 438: 433: 428: 423: 418: 412: 411: 406: 401: 395: 393: 382: 381: 379: 378: 373: 368: 363: 358: 353: 348: 343: 338: 324: 319: 314: 309: 304: 299: 297:Connecting rod 294: 289: 284: 278: 276: 267: 266: 257: 254: 253: 246: 245: 238: 231: 223: 217: 216: 213: 210: 205: 204: 182: 179: 177: 176: 156: 154: 151: 150: 149: 144: 138: 132: 127: 122: 117: 112: 107: 100: 97: 85: 82: 15: 9: 6: 4: 3: 2: 920: 909: 906: 904: 901: 899: 896: 895: 893: 878: 875: 873: 870: 869: 866: 860: 857: 855: 852: 850: 847: 845: 842: 840: 837: 836: 834: 830: 823: 819: 815: 812: 810: 807: 805: 802: 800: 797: 796: 794: 790: 784: 781: 779: 776: 774: 771: 769: 766: 765: 762: 761:Water cooling 759: 757: 754: 753: 751: 749: 745: 739: 738:Oxygen sensor 736: 734: 731: 729: 726: 724: 721: 719: 716: 714: 711: 710: 708: 706: 702: 696: 693: 691: 688: 686: 683: 681: 678: 676: 673: 671: 668: 666: 663: 661: 658: 657: 655: 653:Intake system 651: 645: 644:Starter motor 642: 640: 637: 635: 632: 630: 627: 626: 624: 618: 612: 609: 608: 606: 600: 594: 591: 589: 586: 584: 583:Ignition coil 581: 579: 576: 574: 571: 569: 566: 564: 561: 559: 556: 555: 553: 551: 547: 541: 538: 536: 533: 531: 528: 526: 523: 521: 518: 516: 515:Petrol engine 513: 511: 510:Diesel engine 508: 507: 505: 501: 495: 492: 490: 487: 485: 482: 480: 477: 475: 474:Blowoff valve 472: 471: 469: 467: 463: 457: 454: 452: 449: 447: 444: 442: 439: 437: 434: 432: 429: 427: 424: 422: 419: 417: 414: 413: 410: 407: 405: 402: 400: 397: 396: 394: 392: 391:Cylinder head 387: 383: 377: 374: 372: 369: 367: 364: 362: 359: 357: 354: 352: 349: 347: 344: 342: 339: 336: 332: 328: 325: 323: 320: 318: 315: 313: 310: 308: 305: 303: 300: 298: 295: 293: 290: 288: 285: 283: 282:Balance shaft 280: 279: 277: 272: 268: 264: 262: 255: 251: 244: 239: 237: 232: 230: 225: 224: 221: 214: 211: 207: 206: 201: 197: 196:Report NΒΊ 726 190: 185: 184: 173: 169: 166: 161: 157: 148: 145: 142: 139: 136: 133: 131: 128: 126: 125:Water cooling 123: 121: 118: 116: 113: 111: 108: 106: 103: 102: 96: 94: 89: 81: 79: 74: 72: 68: 64: 60: 56: 52: 44: 37: 33: 32:Cooler Master 28: 22: 768:Electric fan 755: 568:Coil-on-plug 494:Turbocharger 489:Supercharger 361:Main bearing 351:Firing order 341:Displacement 287:Block heater 271:Engine block 259:Part of the 258: 195: 160: 110:Computer fan 92: 90: 87: 75: 59:cooling fins 50: 49: 792:Lubrication 756:Air cooling 573:Distributor 525:Fuel filter 503:Fuel system 484:Intercooler 451:Timing belt 441:Head gasket 371:Piston ring 147:Heater core 130:Oil cooling 51:Air cooling 892:Categories 844:Power band 804:Oil filter 778:Thermostat 723:EGT sensor 685:MAF sensor 680:MAP sensor 665:Air filter 629:Alternator 588:Spark plug 520:Carburetor 446:Rocker arm 386:Valvetrain 317:Crankshaft 261:Automobile 153:References 36:heat pipes 578:Glow plug 540:Fuel tank 535:Fuel pump 302:Crankcase 135:Heat pipe 71:excelsior 67:heat sink 877:Category 822:Dry sump 818:Wet sump 809:Oil pump 773:Radiator 690:Throttle 550:Ignition 421:Camshaft 346:Flywheel 327:Cylinder 312:Crankpin 209:309-312. 168:Archived 99:See also 849:Redline 733:Muffler 634:Battery 558:Magneto 143:cooling 141:Peltier 137:cooling 872:Portal 660:Airbox 639:Dynamo 366:Piston 356:Stroke 335:layout 263:series 832:Other 456:Valve 426:Chest 192:(PDF) 814:Sump 331:bank 292:Bore 200:NACA 55:heat 799:Oil 388:and 273:and 63:fan 894:: 820:, 333:, 198:. 194:. 73:. 30:A 824:) 816:( 337:) 329:( 242:e 235:t 228:v 202:. 93:h 38:. 23:.

Index

air conditioning

Cooler Master
heat pipes

heat
cooling fins
fan
heat sink
excelsior
second law of thermodynamics
Computer cooling
Computer fan
Deep water air cooling
Evaporative cooling
Water cooling
Oil cooling
Heat pipe
Peltier
Heater core
ericsson.net – Forced air cooling of DC/DC power modules at high altitude, Design Note 025
Archived
Wayback Machine
"The design of fins for air-cooled cylinders"
NACA
v
t
e
Internal combustion engine
Automobile

Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.

↑