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³í¹®¸í ½º¸¶Æ®ÆÊ Àû¿ë ÇǺ¹ÀçÀÇ ½ÃÇèÀ» ÅëÇÑ ¼º´ÉÆò°¡ ¹× ³Ã¹æºÎÇÏ ºÐ¼® / Performance Evaluation and Cooling Load Analysis Through Testing of Smart Farm Applied Covering Materia
ÀúÀÚ¸í ¹ÚµÎ¿ë(Doo Yong Park)½Äº°ÀúÀÚ ; ÀÌÇöÁ¦(Hyun Je Lee) ; ¹Ú´öÁØ(Duk Joon Park)½Äº°ÀúÀÚ ; ÃÖ½½°Ç(Sul Geon Choi)½Äº°ÀúÀÚ
¹ßÇà»ç ´ëÇѼ³ºñ°øÇÐȸ
¼ö·Ï»çÇ× ¼³ºñ°øÇÐ³í¹®Áý, Vol.34 No.02 (2022-02)
ÆäÀÌÁö ½ÃÀÛÆäÀÌÁö(91) ÃÑÆäÀÌÁö(9)
ISSN 1229-6422
ÁÖÁ¦ºÐ·ù ȯ°æ¹×¼³ºñ
ÁÖÁ¦¾î ½º¸¶Æ®ÆÊ; ÇǺ¹Àç; ³Ã¹æºÎÇÏ; ¼º´ÉÆò°¡; ¿¡³ÊÁöÇ÷¯½º ; Smart farm; Covering materials; Cooling load; Performance evaluation; EnergyPlus
¿ä¾à1 º» ¿¬±¸¿¡¼­´Â ÇǺ¹ÀçÀÇ Å¾籤 ½Ã¹Ä·¹ÀÌÅÍ Àåºñ¸¦ Ȱ¿ëÇÏ¿© ¿¬ÁúÇʸ§(PE), °æÁúÆÇ(PMMA), °æÁúÆÇ(PC º¹ÃþÆÇ), Á÷Á¶Çʸ§ ÀÌ»ó 4°³ Á¾·ùÀÇ ½Ã·á¿¡ ´ëÇÑ Å¾翭 Ãëµæ·üÀ» ±¹°¡Ç¥ÁØ ½ÃÇè¹æ¹ýÀ» ÅëÇØ ºñ±³ ºÐ¼®°ú ÇÔ²² ÀԷµ¥ÀÌÅ͸¦ µµÃâÇÏ¿´´Ù. ¿­Àû ÀԷµ¥ÀÌÅ͸¦ ±â¹ÝÀ¸·Î ½º¸¶Æ®ÆÊÀÇ ³Ã¹æºÎÇÏ ½Ã¹Ä·¹À̼ÇÀ» ÁøÇàÇÏ¿© ¼³°è ½Ã¿¡ ÇǺ¹Àç ¼±Á¤À» À§ÇÑ ±âÃÊÀڷḦ ¸¶·ÃÇϰíÀÚ ÇÏ¿´À¸¸ç °á°ú´Â ¾Æ·¡¿Í °°´Ù.
³Ã¹æºÎÇÏ´Â PCº¹ÃþÆÇÀÌ 424 W/m2·Î °¡Àå Àû°Ô Æò°¡µÇ¾úÀ¸¸ç PEÇʸ§ÀÇ °æ¿ì 559 W/m2·Î °¡Àå ³ô°Ô Æò°¡µÇ¾ú´Ù. ¿­°ü·ùÀ²ÀÇ °æ¿ì ÇǺ¹À纰·Î 3.7 W/m2?K~6.7 W/m2?K, ž翭ÃëµæÀ²ÀÇ °æ¿ì 54%~90% °¡½Ã±¤¼±Åõ°úÀ²ÀÇ °æ¿ì 50%~88%·Î ºÐ¼®µÇ¾ú´Ù. PCº¹ÃþÆÇ°ú PEÇʸ§ÀÇ ³Ã¹æºÎÇÏ´Â 135 W/m2ÀÇ Â÷À̸¦ º¸À̸ç ÀÌ´Â 24%·Î ÇǺ¹ÀçÀÇ ¼±Á¤ÀÌ ³Ã¹æºÎÇÏ¿¡ ¹ÌÄ¡´Â ¿µÇâÀÌ Å« °ÍÀ» ¾Ë ¼ö ÀÖ´Ù.
Case 1-1À» ±âÁØÀ¸·Î ³Ã¹æ¼³Á¤¿Âµµ¸¦ Case 1-2·Î º¯°æÇÏ¿´À» °æ¿ì ³Ã¹æºÎÇÏ´Â Æò±Õ 12.4% °¨¼ÒÇÏ´Â °ÍÀ¸·Î ºÐ¼®µÇ¾ú´Ù. ¶ÇÇÑ Case 1-1À» ±âÁØÀ¸·Î ³Ã¹æ¼³Á¤¿Âµµ¸¦ Case 1-3À¸·Î º¯°æÇÏ¿´À» °æ¿ì ³Ã¹æºÎÇÏ´Â Æò±Õ 25.3% °¨¼ÒÇÏ´Â °ÍÀ¸·Î ºÐ¼® µÇ¾ú´Ù. ³Ã¹æ¼³Á¤¿Âµµ Á¦¾îÀÇ °æ¿ì »ýÀ°ÀûÁ¤¿Âµµ ¹üÀ§ Áß ³·Àº ¿Âµµ´ë·Î À¯ÁöÇÒ¼ö·Ï ¼öÈ®·®ÀÌ Áõ´ëµÇÁö¸¸ ³Ã¹æºÎÇÏ ¹× ºñ¿ëÀÌ ´Ã¾î³­´Ù. ºñ¿ë¸¸ °í·ÁÇÒ °æ¿ì ÃÖ°íÇѰè¿ÂµµÀÎ 30¡É·Î 24½Ã°£ ³Ã¹æÇϸé ÀÌÁ¡ÀÌ ÀÖ°ÚÀ¸³ª ǰÁú ÀúÇÏ, ¼öÈ®·® °¨¼Ò·Î À̾îÁø´Ù. µû¶ó¼­ º» ¿¬±¸°á°ú¿Í ´õºÒ¾î Èļӿ¬±¸¿¡¼­´Â ¼³Á¤¿Âµµ ¹üÀ§´ëº° ¼öÈ®·®, ǰÁúÀ» ÇÔ²² ¿¬±¸ÇÒ Çʿ伺ÀÌ ÀÖÀ» °ÍÀ¸·Î ÆÇ´ÜµÈ´Ù.
Case 2-1 ³»ºÎÂ÷±¤À» Àû¿ëÇÏÁö ¾ÊÀº ¿Â½Ç ±âÁØÀ¸·Î Case 2-2 ³»ºÎÂ÷±¤À² 40%·Î º¯°æÇÏ¿´À» °æ¿ì ³Ã¹æºÎÇÏ´Â Æò±Õ 31.2% °¨¼ÒÇÏ´Â °ÍÀ¸·Î ºÐ¼®µÇ¾ú´Ù. ¶ÇÇÑ Case 2-1 ³»ºÎÂ÷±¤À» Àû¿ëÇÏÁö ¾ÊÀº ¿Â½Ç ±âÁØÀ¸·Î Case 2-3 ³»ºÎÂ÷±¤À² 50%·Î º¯°æÇÏ¿´À» °æ¿ì ³Ã¹æºÎÇÏ´Â Æò±Õ 33.4% °¨¼ÒÇÏ´Â °ÍÀ¸·Î ºÐ¼®µÇ¾ú´Ù. ¶ÇÇÑ Case 2-1 ³»ºÎÂ÷±¤À» Àû¿ëÇÏÁö ¾ÊÀº ¿Â½Ç ±âÁØÀ¸·Î Case 2-4 ³»ºÎÂ÷±¤À² 60%·Î º¯°æÇÏ¿´À» °æ¿ì ³Ã¹æºÎÇÏ´Â Æò±Õ 35.8% °¨¼ÒÇÏ´Â °ÍÀ¸·Î ºÐ¼®µÇ¾ú´Ù.
¿ä¾à2 The thermal performance database of the covering material which can be used as input data for the smart farm cooling load simulation performance evaluation was analyzed through the test evaluation. Methods: The solar heat gain coefficient of the covering materials (PE, PMMA, PC double layer, woven film) was compared and analyzed through the Korean standard test method and input data was derived. Based on the thermal input data, the cooling load simulation of smart farm was conducted and the simulation performance evaluation of each case was performed to analyze how the indoor cooling load changes by covering materials. Results: The cooling load of the PC double layer was the lowest at 424 W/m2, and the PE film was the highest at 559 W/m2. The coefficient of heat transmission was 3.7 W/m2?K~6.7 W/m2?K for each covering materials, and the solar heat gain coefficient was evaluated as 54% ~90% visible transmittance was 50%~88%. The cooling load of the PC double layer and PE film showed a difference of 135 W/m2(24%), indicating that the selection of the coating material greatly affects the cooling load. The cooling load was reduced by 25.3% when the cooling setpoint temperature was controlled, and the cooling load was reduced by 35.8% when the internal shading rate was applied by 60%.
¼ÒÀåó ´ëÇѼ³ºñ°øÇÐȸ
¾ð¾î Çѱ¹¾î
DOI https://doi.org/10.6110/KJACR.2022.34.2.091
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