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³í¹®¸í ¿­È¸¼öÇü ȯ±âÀåÄ¡ÀÇ ½Àµµ±³È¯È¿À²¿¡ µû¸¥ µ¿/ÇÏ°è °á·Î ¹ß»ý·ü°ú ¿¡³ÊÁöȸ¼öÀ² / A Study on Condensation Occurrence Ratio and Energy Recovery Ratio in Winter/ Summer of Energy Recovery Ventilator According to Latent Effectiveness
ÀúÀÚ¸í °íÀ¯Áø(Yujin Ko) ; Àå¼Ò¹Ì(Somi Jang) ; ¼ÛµÎ»ï(Doosam Song) ; È«Èñ±â(Hiki Hong)
¹ßÇà»ç ´ëÇѼ³ºñ°øÇÐȸ
¼ö·Ï»çÇ× ¼³ºñ°øÇÐ³í¹®Áý, Vol.32 No.10 (2020-10)
ÆäÀÌÁö ½ÃÀÛÆäÀÌÁö(457) ÃÑÆäÀÌÁö(8)
ISSN 1229-6422
ÁÖÁ¦ºÐ·ù ȯ°æ¹×¼³ºñ
ÁÖÁ¦¾î ¿­È¸¼öÇü ȯ±âÀåÄ¡; ½Àµµ±³È¯È¿À²; ¿Âµµ±³È¯È¿À²; °á·Î; °á·Î¹ß»ý·ü ; Evergy Recovery Ventilator(ERV); Latent effectiveness; Sensible effectiveness; Dew condensation; Condensation occurrence ratio
¿ä¾à1 ¿­Àü´Þ°ú ¹°ÁúÀü´Þ ÇüÅÂÀÇ Â÷ÀÌ·Î ÀÎÇØ ¿­È¸¼öÇü ȯ±âÀåÄ¡ÀÇ ¿Âµµ±³È¯È¿À²¿¡ ºñÇØ ³·Àº ½Àµµ±³È¯È¿À²À» º¸À̸ç ÀÌ·Î ÀÎÇØ °á·Î°¡ ¹ß»ýÇÏ°Ô µÈ´Ù. µû¶ó¼­ º» ¿¬±¸¿¡¼­´Â ½Àµµ±³È¯È¿À²¿¡ µû¸¥ °á·Î¹ß»ý·ü »êÃâÀ» À§ÇØ RA¸¦ °íÁ¤½ÃŲ »óÅ¿¡¼­ ºÎ»ê°ú ¼­¿ï ±â»ó µ¥ÀÌÅÍ(OA)¸¦ Ȱ¿ëÇÏ¿©, °á·Î°¡ ¹ß»ýµÇ´Â OA Á¶°ÇÀ» ºÐ¼®ÇÏ¿´´Ù. ±× °á°ú´Â ´ÙÀ½°ú °°´Ù.
(1) ÇÏÀý±â ½Àµµ±³È¯È¿À² 0%¿¡¼­ ¼­¿ï/ºÎ»êÀÇ °á·Î¹ß»ý·üÀº ¾à 4.9%/12.9%À̸ç 10%¿¡¼­ 0.7%/3.0%ÀÌ´Ù. ¼­¿ï°ú ºÎ»ê ¸ðµÎ ½Àµµ±³È¯È¿À² 20% À̻󿡼­´Â °á·Î°¡ °ÅÀÇ ¹ß»ýÇÏÁö ¾Ê´Â´Ù.
(2) µ¿Àý±â ½Àµµ±³È¯È¿À² 0%¿¡¼­ ¼­¿ï/ºÎ»êÀÇ °á·Î¹ß»ý·üÀº ¾à 84.9%/51.6%ÀÌ¸ç ¼­¿ïÀÇ °æ¿ì ½Àµµ±³È¯È¿À²ÀÌ ³ô¾ÆÁö¸é¼­ °á·Î¹ß»ý·üÀº ¿Ï¸¸ÇÏ°Ô °¨¼ÒÇÏ´Ù°¡ 30%¸¦ ±âÁ¡À¸·Î ±Þ°ÝÈ÷ °¨¼ÒÇÏ¿© 80% À̻󿡼­´Â °á·Î°¡ °ÅÀÇ ¹ß»ýÇÏÁö ¾Ê´Â´Ù. ºÎ»êÀÇ °æ¿ì ¼±ÇüÀûÀ¸·Î °¨¼ÒÇÏ´Ù°¡ 70% À̻󿡼­´Â °á·Î°¡ °ÅÀÇ ¹ß»ýÇÏÁö ¾Ê´Â´Ù.
(3) Á¾ÀÌ ¿­±³È¯±âÀÇ °æ¿ì ¿Âµµ±³È¯È¿À²Àº 80%¿¡ ´Ù´Ù¸£Áö¸¸ ½Àµµ±³È¯È¿À²Àº 40~60%¿¡ ±×Ä¡¸ç ±×·ÎÀÎÇØ °á·Î°¡ ¹ß»ýÇÏÁö ¾ÊÀ» Á¶°ÇÀÌ ¸¸Á·µÇÁö ¾Ê¾Æ °á·Î°¡ ¹ß»ýÇÑ´Ù. ±× °á°ú ÀåÄ¡ÀÇ Æ¯¼º»ó °á·Î°¡ ¹ß»ýÇÏ¿© ¼ÒÀÚ°¡ ÇÑ ¹ø Á¥À¸¸é ±¸Á¶Àû º¯ÇüÀ¸·Î ÀÎÇØ ¿ø»óȸº¹ÀÌ ¾î·Æ´Ù. °á°úÀûÀ¸·Î ¼ÒÀÚÀÇ ¿­È¿À²ÀÌ Á¡Â÷ °¨¼ÒÇÏ°Ô µÉ »Ó¸¸ ¾Æ´Ï¶ó °á·Î·Î ÀÎÇØ °õÆÎÀ̰¡ ¼ÒÀÚ ³»¿¡ ¼­½ÄÇÏ°Ô µÇ¾î, ¿À¿°µÈ ½Ç³» °ø±â´Â ¹èÃâÇÏ°í ½Å¼±ÇÑ ¿Ü±â µµÀÔÀ» ¸ñÀûÀ¸·Î Çϴ ȯ±â¿¡ ¹ÝÇÏ´Â °á°ú¸¦ º¸ÀÏ ¼ö ÀÖ´Ù. µû¶ó¼­ °á·Î ¹ß»ýÀÇ ¿øÀÎÀÎ ³·Àº ½Àµµ±³È¯ È¿À²À» ³ôÀÌ´Â ±Ùº»ÀûÀÎ ¿¬±¸°¡ ¿ä±¸µÈ´Ù.
(4) ÇÏÀý±âÀÇ °æ¿ì ³·Àº ½Àµµ±³È¯È¿À²¿¡¼­´Â ¿Ü±â¿Âµµ°¡ ³ô´Ù¸é ½Àµµ´Â ³·´õ¶óµµ °á·Î ¹ß»ý °¡´É¼ºÀÌ Á¸ÀçÇÏÁö¸¸ ½Àµµ±³È¯È¿À²ÀÌ ³ô¾ÆÁö¸é¼­ ¿Ü±â¿Âµµ»Ó¸¸ ¾Æ´Ï¶ó ½Àµµµµ ³ôÀº Á¶°Ç¿¡¼­¸¸ °á·Î°¡ ¹ß»ýÇÑ´Ù. µ¿Àý±âÀÇ °æ¿ì ³·Àº ½Àµµ±³È¯È¿À²¿¡¼­´Â ¿Ü±â¿Âµµ°¡ ³·´Ù¸é ½Àµµ¿Í °ü°è¾øÀÌ °á·Î°¡ ¹ß»ýÇÏÁö¸¸ ½Àµµ±³È¯È¿À²ÀÌ ³ô¾ÆÁö¸é¼­ ±× ¿µÇâÀº ÀÛ¾ÆÁö°í °á·Î°¡ ¹ß»ýÇÏ´Â ¿Ü±â¿Âµµ Á¶°Ç ¶ÇÇÑ °¡È¤ÇØÁø´Ù.
(5) ¿Âµµ±³È¯È¿À² 80%, ½Àµµ±³È¯È¿À² 80%ÀÇ ¿­È¸¼öÇü ȯ±âÀåÄ¡ »ç¿ë ½Ã ½Àµµ±³È¯È¿À² 0% ´ëºñ ³Ã¹æºÎÇÏ´Â 38% °¨¼Ò, ³­¹æºÎÇÏ´Â 21% °¨¼ÒÀ²À» º¸ÀδÙ.
¿ä¾à2 To resolve indoor air pollution such as CO2 concentration problems that threaten the health of the occupants as well as to minimize the ventilation load that occupies a large portion of the cooling and heating loads, recently, the air-conditioning industry of cooling buildings including general houses has attracted much interest in Energy Recovery Ventilators (ERV). The commercially available ERV shows relatively good performance in general outdoor conditions, but condensation occurs inside the device from a humid climate in summer or a low temperature in winter, causing problems such as mold and rust. In this paper, the actual condensation occurrence ratio of South Korea was derived according to the latent effectiveness, and the outdoor conditions in which such condensation occurred were analyzed. As a result of summer simulation, the condensation occurrence ratio of Seoul/Busan was approximately 4.9%/12.9% at 0% latent effectiveness, and 0.7%/3.0% at 10%. In Seoul and Busan, condensation rarely occurs when the latent effectiveness is more than 20%. As a result of the winter simulation, the condensation occurrence rate of Seoul/Busan is approximately 84.9%/51.6% at the latent effectiveness of 0%. In the case of Seoul, as the latent effectiveness increases, the condensation occurrence rate slowly decreases, and then rapidly decreases from 30%. Condensation rarely occurs at 80% or more. In the case of Busan, it decreases linearly, and condensation rarely occurs at 70% or more.
¼ÒÀåó ´ëÇѼ³ºñ°øÇÐȸ
¾ð¾î Çѱ¹¾î
DOI https://doi.org/10.6110/KJACR.2020.32.10.457
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