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³í¹®¸í À̵¿Çü ¿¡¾îÄÁ ½Ç¿Ü±â °ø±â¼øȯ·Î °³¼±À» ÅëÇÑ ¼º´É Çâ»ó¿¡ ´ëÇÑ ½ÇÇèÀû ¿¬±¸ / An Experimental Study on Improving the Cooling Performance of a Mobile Air Conditioner's Outdoor Unit by Enhancing Airflow Pathways
ÀúÀÚ¸í Àå½Â¹Î(Seungmin Jang)½Äº°ÀúÀÚ ; ¹Úº´¿ë(Beungyong Park) ; Á¶Áø±Õ(Jinkyun Cho)½Äº°ÀúÀÚ
¹ßÇà»ç ´ëÇѼ³ºñ°øÇÐȸ
¼ö·Ï»çÇ× ¼³ºñ°øÇÐ³í¹®Áý, Vol.35 No.06 (2023-06)
ÆäÀÌÁö ½ÃÀÛÆäÀÌÁö(299) ÃÑÆäÀÌÁö(7)
ISSN 1229-6422
ÁÖÁ¦ºÐ·ù ȯ°æ¹×¼³ºñ
ÁÖÁ¦¾î ³Ã¹æ¼º´É; ÀÌÁß´öÆ®½Ã½ºÅÛ; ¿¡³ÊÁöÀý°¨; À̵¿Çü¿¡¾îÄÁ; Àü·Â·®; ´ÜÀÏ´öÆ®½Ã½ºÅÛ ; Cooling performance; Dual duct system; Energy-saving; Mobile air conditioners; Power consumption; Single duct system
¿ä¾à1 º» ³í¹®Àº À̵¿Çü ¿¡¾îÄÁÀÇ °ø±â¼øȯ·Î¸¦ °³¼±ÇÏ´Â ÀÌÁß´öÆ® ¹æ½ÄÀ» Á¦¾ÈÇÏ¿´°í, Àü·Â¼Òºñ·®°ú ³Ã¹æ ¸ñÇ¥¿Âµµ µµ´Þ½Ã°£ ¹× ½Ç³» ¿Â¿­È¯°æÀÇ ¿Â?½Àµµ¸¦ ºñ±³ºÐ¼®ÇÏ¿´´Ù. ¹è±â´öÆ®¸¸ Á¸ÀçÇÏ´Â ±âÁ¸ÀÇ À̵¿Çü ¿¡¾îÄÁ À» ´ë»óÀ¸·Î ½Ç¿Ü °ø±â¸¦ ÈíÀÔÇÏ´Â Èí±â´öÆ®¸¦ ½Ç¿Ü±â ÀÎÀÔ±¸¿¡ ÀåÂøÇÑ ÀÌÁß´öÆ® ½Ã½ºÅÛÀ» ±¸ÇöÇÏ¿© ºñ±³ÇÏ¿´´Ù. ½Ç³»¿Í ½Ç¿Ü ȯ°æ ±¸ÇöÀ» ¼öÇàÇÒ ¼ö ÀÖ´Â ½ÇÇèè¹ö¸¦ È°¿ëÇÏ°í Ç¥Áعæ¹ý¿¡ ÁØÇÏ¿© Èí±âÈĵå ÀåÂø Àü(Case #1)°ú ÈíÀÔÈĵ带 ÀåÂø ÈÄ(Case #2) ½ÇÇèÀ» ÁøÇàÇÏ¿´´Ù. ¿¬±¸ÀÇ °á°ú¸¦ ¿ä¾àÇÑ´Ù¸é ´ÙÀ½°ú °°´Ù.


?Case #1°ú Case #2ÀÇ ³Ã¹æ ¸ñÇ¥¿Âµµ¸¦ 24¡É·Î ¼³Á¤ÇÏ¿© °¡µ¿ÇÑ °á°ú, ¸ñÇ¥¿Âµµ µµ´Þ½Ã°£Àº Case #2°¡ ¾à 10ºÐ ´ÜÃàµÇ¾ú°í (Case #1: 40ºÐ, Case #2: 30ºÐ) ¿Âµµ °­ÇÏÀ²Àº ¾à 33%Á¤µµ Áõ°¡ÇÏ¿´´Ù.
?Àü·Â¼Òºñ·®Àº Ãʱ⠱⵿ ¼ø½Ã °ªÀÌ Case #2°¡ Áõ°¡ÇÏ´Â °ÍÀ¸·Î ºÐ¼®µÇ¾ú´Âµ¥ ÀÌ´Â ½Ç¿Ü°ø±âÀÇ À¯ÀÔÀ¸·Î ÀÎÇÑ ¾ÐÃà±âÀÇ µ¿·Â »ó½ÂÀ¸·Î ÀÎÇÑ ÀϽÃÀûÀÎ Àü·ÂÁõ°¡·Î ºÐ¼®ÇÏ¿´´Ù.
?Case #1ÀÇ ¸ñÇ¥¿Âµµ µµ´Þ½Ã°£ÀÎ 40ºÐ °£ ÃÑ ¼ÒºñÀü·Â·®Àº ¾à 3,803 WÀÌ°í Case #2ÀÇ 30ºÐ°£ ÃÑ ¼ÒºñÀü·Â·®Àº ¾à 3,129 W·Î ºÐ¼®µÇ¾ú´Ù.
?Case #2ÀÇ °æ¿ì, Ãʱ⠳ùæ¿îÀü½Ã°£ ¾à 10ºÐ ¹× Àü·Â¼Òºñ·® 18%°¡ °¨¼ÒµÇ¾ú´Ù.


±âÁ¸ÀÇ À̵¿Çü ¿¡¾îÄÁ¿¡ ÀÌÁß´öÆ®¸¦ ¼³Ä¡ÇÏ¸é ½Ç³»ÀÇ À½¾Ð Çü¼ºÀ» ¹æÁöÇÏ°í ¿ÜºÎ·ÎºÎÅÍ À¯ÀԵǴ °í¿ÂÀÇ ¿Ü±âÀÇ Ä§ÀÔÀÌ ÁÙ¾îµé°Ô µÈ´Ù. ÀÌ´Â ¿¡¾îÄÁÀÇ ³Ã¹æ È¿À²À» Çâ»ó½ÃÅ°°í Àå±âÀûÀÎ Ãø¸é¿¡¼­ÀÇ Àü·Â ¼Òºñ·®À» °¨¼Ò½ÃŲ´Ù. ÇâÈÄ, °³¼±µÈ À̵¿½Ä ¿¡¾îÄÁÀÇ ³Ã¸Å¿Âµµ, À¯·®, ÀÀÃà±â ÃⱸÀÇ ¼Ûdz·® µî Áõ¹ß±â, ÀÀÃà±â¿¡¼­ÀÇ ³Ã¸Å »çÀÌŬ¿¡ ´ëÇÑ Ãß°¡ÀûÀÎ ½ÇÇèÀÌ ¿ä±¸µÈ´Ù. ÇØ´ç »ó¿ë À̵¿Çü ¿¡¾îÄÁ Á¦Ç°Àº À̵¿¼º, ¼³Ä¡ ¿ëÀ̼º µî ´Ù¾çÇÑ ¿ä±¸»çÇ×À» ¸¸Á·Çϱâ À§ÇØ °³¹ßµÈ ÇüÅÂÀ̱⠶§¹®¿¡ ³Ã°¢È¿À²À» Áõ°¡½ÃÅ°±â À§ÇÑ º» ¿¬±¸¿¡¼­ Á¦¾ÈÇÑ Á¶Ä¡µéÀÌ º»·¡ÀÇ ±â´ÉÀ» ¹Ý°¨½Ãų ¼ö Àֱ⠶§¹®¿¡ ÃÖ¼±ÀÇ ¹æ¹ýÀÌ ¾Æ´ÔÀ» ¸íÈ®ÇÏ°Ô ¹àÈù´Ù.
¿ä¾à2 Mobile air conditioners have become increasingly popular due to the rising number of single-person households and smaller living spaces. These units are easier to install and dismantle than conventional air conditioners, making them a more convenient option, but their high energy consumption is a well-known issue. One major factor contributing to this issue is the use of a single duct system, which creates negative pressure in the cooled space, causing warm air to be drawn in from the outside. This results in lower cooling efficiency and increased energy consumption as the air conditioner works harder to maintain the desired temperature. This study investigated the potential energy savings of using an improved dual duct system in a mobile air conditioner. We compared the cooling performance of a conventional single duct unit (Case #1) with that of a dual duct unit (Case #2) under controlled laboratory conditions. We measured the power consumption and cooling performance of each unit under identical conditions. The results showed that Case #2 achieved an 18% reduction in power consumption compared to Case #1 while maintaining similar cooling performance. The findings suggest that the use of an improved dual duct system could significantly reduce the energy consumption of portable air conditioners without sacrificing cooling performance.
¼ÒÀåó ´ëÇѼ³ºñ°øÇÐȸ
¾ð¾î Çѱ¹¾î
DOI https://doi.org/10.6110/KJACR.2023.35.6.299
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