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Á¦ Áú¹®Àº tube°¡ ´ÜÀÏ(1°³)Àΰæ¿ì ¸»°í, tube°¡ ¿©·¯°³ Åë°úÇÒ¶§ ¼ö·ÂÁö¸§ ±¸Çϴ°ÍÀ» |
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(*.Âü°í°ø½Ä Re=¹Ðµµ*¼Óµµ*¼ö·ÂÁö¸§( Dh)/Á¡¼º°è¼ö=¼Óµµ*¼ö·ÂÁö¸§/ µ¿Á¡¼º°è¼ö) |
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1.¿øÇüÀÎ °æ¿ì(´ÜÀÏ tube Àΰæ¿ì) |
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Di=tube ³»°æ |
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(¿¹: Di=2cm, Do=3cm) |
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tube ¼ö·ÂÁö¸§ Dh=4*(3.14*Di^2/4)/3.14*Di=Di ¸Â³ª¿ä? |
Do=shell ³»°æ |
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= 2cm |
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shell ¼ö·ÂÁö¸§ Dh=Do-Di=shell ³»°æ-tube ³»°æ |
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=3-2=1 cm |
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2.¿øÇüÀÎ °æ¿ì(´ÙÁß tube Àΰæ¿ì) |
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À½Ä°ú ¶È°°ÀÌ Àû¿ë°¡´ÉÇÑ°¡¿ä? |
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¾Æ´Ï¸é ´Ù¸¥¹æ¹ýÀ¸·Î ÇؾßÇϴ°¡¿ä? |
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*. ´Ù½Ã ¿¹Á¦¿Í ¼³¸íµå¸®¸é shell³»°æÀÌ 10cm ÀÌ°í |
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³»°æÀÌ 1cmÀÎ tube°¡ ÀÏÁ¤ÇÑ °£°ÝÀ¸·Î ¹èÄ¡ µÇ¾î¾î ÀÖ´Ù°í º¼¶§ |
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tube¿Í shellÀÇ ¼ö·Â Áö¸§Àº¿ä? |
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