full2010.pdf - page 1412

1374
2. „µ¦‹Îµ¨°ŠÂ
„µ¦¡·‹µ¦–µ«¹„¬µ¡§˜· „¦¦¤ °Š‡ªµ¤¦o°œ£µ¥ÄœÃ¦Š°¥µŠ¡¨´ ŠŠµœ¦nª¤ÂŠ°µš·˜¥r¨³¸ ª¤ª¨—oª¥
„µ¦‹Î µ¨°ŠÂ¦³¤¸ª´˜™»ž¦³Š‡r—´Š˜n°Åžœ¸Ê
1. Á¡ºÉ°‹Îµ¨°ŠÂ„µ¦„¦³‹µ¥°»–®£¼¤·£µ¥ÄœÃ¦Š°¥µŠ¡¨´ŠŠµœ¦nª¤ÂŠ°µš·˜¥r ¨³¸ª¤ª¨
2. Á¡ºÉ°œÎµŸ¨„µ¦‹Îµ¨°ŠÂÁž¦¸¥Áš¸¥„´„µ¦š—¨°Š
ŗo ¦oµŠÃ¦Š°¥µŠÂŸnœ—· ¡¨´ŠŠµœ¦n ª¤ÂŠ°µš·˜¥r ¨³¸ª¤ª¨Â‹Îµ¨°ŠÄ®o¤¸œµ—Ášnµ„´Ã¦Š°¥µŠ
Ÿnœ—·¡¨´ ŠŠµœ¦nª¤ÂŠ°µš·˜¥r ¨³¸ª¤ª¨ œµ—‹¦· Š ‹Îµ¨°ŠÅ—oÁ¨º°„¡·‹µ¦–µ˜ÎµÂ®œn ŠœÁ¡—µœÁž}œšµŠÁ oµ
°Š°µ„µ« „Î µ®œ—ÁŠºÉ°œÅ °Á ˜Áž} œ velocity inlet nªœšµŠ°°„ °Š°µ„µ«Å—oÁ¨º°„¡·‹µ¦–µ˜ÎµÂ®œnŠn°Š¦³µ¥
°µ„µ« „ε®œ—ÁŠºÉ°œÅ °Á ˜Áž}œ velocity outlet ¨³Ÿœ´Š °ŠÃ¦Š°¥µŠÂŸnœ—·¡¨´ ŠŠµœ¦nª¤ÂŠ°µš·˜¥r ¨³¸ª
¤ª¨„ε®œ—ÁŠºÉ°œÅ °Á ˜Áž} œ wall —´ŠÂ—ŠÄœ˜µ¦µŠš¸É 1 Ž¹ÉŠ„µ¦¦oµŠ„¦·—‹³Äo Scheme Element  Hex „¦·—
¤¸¦¼žš¦ŠÁž}œš¦Š¸ÉÁ®¨¸É ¥¤š¸Éž¦³„°—oª¥—oµœ®„—oµœ—´ŠÂ—ŠÄœ£µ¡š¸É 3
£µ¡š¸É 3 —ŠÁŠºÉ °œÅ °Á ˜ °ŠÂ‹Îµ¨°Š
„µ¦‹Îµ¨°Š„µ¦„¦³‹µ¥°»–®£¼¤·£µ¥ÄœÃ¦Š°¥µŠÂŸnœ—·¡¨´ŠŠµœ¦nª¤ÂŠ°µš·˜¥r¨³¸ ª¤ª¨ „¦–¸°
®o °ŠÁž¨nµÅ—o„ε®œ—Ä®o°¥¼n£µ¥Ä˜o ¤¤˜·“µœ—´ Šœ¸Ê ‡º°
1. „µ¦Å®¨ °Š°µ„µ«¤¸ £µª³Å¤n‡Šš¸É (Unsteady state)
2. °µ„µ«¤¸‡ªµ¤®œº —¨³‡ªµ¤®œµÂœnœ‡Šš¸É
3. „µ¦Å®¨ °Š°µ„µ«Áž}œ„µ¦Å®¨Âž{~œžiªœ (turbulent flow)
4. ¡·‹µ¦–µÁž}œ °ŠÅ®¨°´ —˜´ªÅ¤nŗo (Incompressible Flow)
5. Ťn¤¸„µ¦¨ºÉœÅ™¨š¸É ° (No slip Wall)
6. Ťn‡·—Ÿ¨„¦³š °Š„µ¦ÂŸn¦´Š¸Á¡ºÉ°¨—‡ªµ¤¥»nŠ¥µ„Äœ„µ¦‡Îµœª–¨³Äo ‹Îµ¨°Š
standard İk¨³
7. ¨´„¬–³„µ¦Å®¨ °Š°µ„µ«Áž}œ„µ¦Å®¨Â 3 ¤· ˜·
Velocity outlet Velocity inlet
Wall