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: 08-11-30 00:38
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Stefano
08-11-30 16:32
(1) ÈíÂøÁ¦ Àç»ý½ÃÀÇ Energy Balance
(¨ÍÀç»ý°¡½º°¡ ¹èÃâÇÑ ¿·®) = (¨ÎÈíÂøÁ¦¸¦ °¡¿Çϴµ¥ ¼Ò¿äµÈ ¿·®) + (¨ÏÀç»ýµÇ´Â ¹°ÁúÀÇ Å»Âø¿¡ ¼Ò¿äµÈ ¿·®)....(0)
(2) ¹ÌºÐ½Ã°£(dt)µ¿¾È Àç»ýµÇ´Â ¹ÌºÐ±æÀÌ(dL)¿¡ ´ëÇؼ (0)½ÄÀ» Àû¿ëÇϸé
¨ÍÀç»ý°¡½º°¡ dt ½Ã°£µ¿¾È ¹èÃâÇÑ ¿·®, Btu
= (°¡½º ¹ÌºÐÁú·®, dmg, lb/min)*(°¡½ººñ¿, Cpg, Btu/lb/F)*(¿ÂµµÂ÷, Tg-To)
= {(´Ü¸éÀû,A ft2)*(À¯¼Ó, uo ft/min)*(°¡½º¹Ðµµ, ¥ñg lb/ft^3)*(¹ÌºÐ½Ã°£, dt, min)}*(°¡½ººñ¿, Cpg Btu/lb/¢µ)*(¿ÂµµÂ÷, Tg-To, ¢µ)
={A*uo*¥ñg*dt}*Cpg*(Tg-To).....................(1) ´ÜÀ§: Btu °¡½º ¹ÌºÐÁú·®, dmg =¥ñg*A*uo*dt
¨ÎÈíÂøÁ¦¸¦ (dt ½Ã°£µ¿¾È¿¡) dL±æÀ̸¸Å °¡¿Çϴµ¥ ¼Ò¿äµÈ ¿·®, Btu
= (ÈíÂøÁ¦ ¹ÌºÐ Áú·®, dma, lb)*(ÈíÂøÁ¦ ºñ¿, Cs, Btu/lb/¢µ)*(¿ÂµµÂ÷, Tg-To, ¢µ)
= {(A*dL)*¥ñb}*Cs*(Tg-To).........................(2) ´ÜÀ§: Btu ÈíÂøÁ¦ ¹ÌºÐÁú·® dma = ¥ñb*A*dL, ¥ñb=bulk density
¨Ï(dt ½Ã°£µ¿¾È¿¡) dL±æÀ̳»¿¡ µé¾îÀÖ´ø ÈíÂø¹°ÁúÀÌ Å»ÂøÇϴµ¥ ¼Ò¿äµÈ ¿·®, Btu
= (dL±æÀ̳»ÀÇ Å»Âø¹°Áú ¹ÌºÐ Áú·®, dm, lb)*(Å»Âø¿, ¥ÄH)
= {(ÈíÂøÁ¦ ¹ÌºÐÁú·®, dma, lb-adsorbant)*(ÈíÂøÁ¦ ´ÜÀ§Áú·®´ç ÈíÂø¹°Áú Áú·®, W, lb/lb-adsorbant)}*(Å»Âø¿, ¥ÄH)
= {(¥ñb*A*dL)*W*¥ÄH..................................(3) ´ÜÀ§: Btu dm=d(ma*W)=W dma=W*¥ñb*A*dL
(3)À§ÀÇ (1),(2),(3)½ÄÀÇ ¨Í,¨Î,¨Ï¸¦ ¸ðµÎ (0)½Ä¿¡ ´ëÀÔÇÏ°í ¾çº¯À» A·Î ³ª´©¸é ¹®Á¦Ç®ÀÌ¿¡ ³ª¿Í ÀÖ´Â ¼ö½ÄÀÌ ³ª¿ÀÁö¿ä.
(1) ÈíÂøÁ¦ Àç»ý½ÃÀÇ Energy Balance (¨ÍÀç»ý°¡½º°¡ ¹èÃâÇÑ ¿·®) = (¨ÎÈíÂøÁ¦¸¦ °¡¿Çϴµ¥ ¼Ò¿äµÈ ¿·®) + (¨ÏÀç»ýµÇ´Â ¹°ÁúÀÇ Å»Âø¿¡ ¼Ò¿äµÈ ¿·®)....(0) (2) ¹ÌºÐ½Ã°£(dt)µ¿¾È Àç»ýµÇ´Â ¹ÌºÐ±æÀÌ(dL)¿¡ ´ëÇؼ (0)½ÄÀ» Àû¿ëÇÏ¸é ¨ÍÀç»ý°¡½º°¡ dt ½Ã°£µ¿¾È ¹èÃâÇÑ ¿·®, Btu = (°¡½º ¹ÌºÐÁú·®, dmg, lb/min)*(°¡½ººñ¿, Cpg, Btu/lb/F)*(¿ÂµµÂ÷, Tg-To) = {(´Ü¸éÀû,A ft2)*(À¯¼Ó, uo ft/min)*(°¡½º¹Ðµµ, ¥ñg lb/ft^3)*(¹ÌºÐ½Ã°£, dt, min)}*(°¡½ººñ¿, Cpg Btu/lb/¢µ)*(¿ÂµµÂ÷, Tg-To, ¢µ) ={A*uo*¥ñg*dt}*Cpg*(Tg-To).....................(1) ´ÜÀ§: Btu °¡½º ¹ÌºÐÁú·®, dmg =¥ñg*A*uo*dt ¨ÎÈíÂøÁ¦¸¦ (dt ½Ã°£µ¿¾È¿¡) dL±æÀ̸¸Å °¡¿Çϴµ¥ ¼Ò¿äµÈ ¿·®, Btu = (ÈíÂøÁ¦ ¹ÌºÐ Áú·®, dma, lb)*(ÈíÂøÁ¦ ºñ¿, Cs, Btu/lb/¢µ)*(¿ÂµµÂ÷, Tg-To, ¢µ) = {(A*dL)*¥ñb}*Cs*(Tg-To).........................(2) ´ÜÀ§: Btu ÈíÂøÁ¦ ¹ÌºÐÁú·® dma = ¥ñb*A*dL, ¥ñb=bulk density ¨Ï(dt ½Ã°£µ¿¾È¿¡) dL±æÀ̳»¿¡ µé¾îÀÖ´ø ÈíÂø¹°ÁúÀÌ Å»ÂøÇϴµ¥ ¼Ò¿äµÈ ¿·®, Btu = (dL±æÀ̳»ÀÇ Å»Âø¹°Áú ¹ÌºÐ Áú·®, dm, lb)*(Å»Âø¿, ¥ÄH) = {(ÈíÂøÁ¦ ¹ÌºÐÁú·®, dma, lb-adsorbant)*(ÈíÂøÁ¦ ´ÜÀ§Áú·®´ç ÈíÂø¹°Áú Áú·®, W, lb/lb-adsorbant)}*(Å»Âø¿, ¥ÄH) = {(¥ñb*A*dL)*W*¥ÄH..................................(3) ´ÜÀ§: Btu dm=d(ma*W)=W dma=W*¥ñb*A*dL (3)À§ÀÇ (1),(2),(3)½ÄÀÇ ¨Í,¨Î,¨Ï¸¦ ¸ðµÎ (0)½Ä¿¡ ´ëÀÔÇÏ°í ¾çº¯À» A·Î ³ª´©¸é ¹®Á¦Ç®ÀÌ¿¡ ³ª¿Í ÀÖ´Â ¼ö½ÄÀÌ ³ª¿ÀÁö¿ä.
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