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Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ / v.6, no.3, 1997³â, pp.183-189
¹Ì´Ï ½ºÇÁ¸µÅ¬·¯ÀÇ »ì¼ö ±â´É - (2) »ì¼ö ÀÔÀÚÀÇ Å©±â
( Performance of Mini-Sprinkler - (2) Size of Droplets )
¼­»ó·æ;¼ºÁ¦ÈÆ; Àü³²´ëÇб³ ³ó°ú´ëÇÐ ³ó°øÇаú;Àü³²´ëÇб³ ³ó°ú´ëÇÐ ³ó°øÇаú;
 
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±¸Á¶¿Í Å©±â°¡ °¢°¢ ´Ù¸¥ 12Á¾ÀÇ ¹Ì´Ï ½ºÇÁ¸µÅ¬·¯¸¦ ´ë»óÀ¸·Î »ì¼öÀÔÀÚÀÇ Å©±â¿¡ ´ëÇÑ ºÐµÎÀÇ ±¸°æ°ú »ì¼ö¾Ð·ÂÀÇ ¿µÇâÀ» Á¶»çÇÏ°í ½ºÇÁ¸µÅ¬·¯ Á¾·ùº°·Î °¢ »ì¼ö µµ´Þ°Å¸®¿¡¼­ÀÇ »ì¼öÀÔÀÚÀÇ Å©±â¸¦ ½ÇÇèÇÑ °á°ú ´ÙÀ½°ú °°Àº °á°ú¸¦ ¾ò¾ú´Ù. ¾×ºÐ»ê±â¸¦ °®Àº ¹Ì´Ï ½ºÇÁ¸µÅ¬·¯ »ì¼öÀÔÀÚ Å©±â¿Í ºÐµÎ ±¸°æ°úÀÇ °ü°è¸¦ ºÐ¼®ÇÑ °á°ú, »ì¼öÀÔÀÚÀÇ Å©±â´Â ½ºÇÁ¸µÅ¬·¯ÀÇ ºÐµÎ ±¸°æ º¸´Ù´Â ½ºÇÁ¸µÅ¬·¯ÀÇ ±¸Á¶ ƯÈ÷ ¾×ºÐ»ê±âÀÇ ÇüÅ¿¡ ´õ Å« ¿µÇâÀ» ¹Þ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. »ì¼ö¾Ð·ÂÀÌ »ì¼öÀÔÀÚÀÇ Å©±â¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» ºÐ¼®ÇÑ °á°ú »ì¼öÀÔÀÚÀÇ Å©±â´Â »ì¼ö¾Ð·ÂÀÇ 1/3½Â¿¡ ¹Ýºñ·ÊÇÔÀÌ È®ÀεǾú´Ù. µû¶ó¼­ ÀÓÀÇ ¾Ð·ÂÇÏ¿¡¼­ »ì¼öµÇ´Â ½ºÇÁ¸µÅ¬·¯ »ì¼öÀÔÀÚÀÇ Å©±â´Â ƯÁ¤ ¾Ð·ÂÇÏÀÇ ½ÇÇè°á°ú·ÎºÎÅÍ ¿ëÀÌÇÏ°Ô ¿¹ÃøÇÒ ¼ö ÀÖ´Ù. »ì¼öÀÔÀÚ µµ´Þ°Å¸®¿Í »ì¼öÀÔÀÚ Å©±â¿ÍÀÇ °ü°è´Â »ì¼öÀÔÀÚ µµ´Þ°Å¸®ÀÇ 2Â÷ ÇÔ¼ö¿¡ ºñ·ÊÇÏ¿© »ì¼öÀÔÀÚÀÇ Å©±â°¡ Áõ°¡ÇÏ´Â °ÍÀ¸·Î ºÐ¼®µÇ¾ú´Ù. ½ÃÆÇµÇ°í ÀÖ´Â ¹Ì´Ï ½ºÇÁ¸µÅ¬·¯ÀÇ ´ëÇ¥ÀûÀÎ Á¾·ù¸¦ ÀÌ¿ëÇÏ¿© ½ÇÇèÇÑ ½ºÇÁ¸µÅ¬·¯ÀÇ »ì¼öÀÔÀÚ µµ´Þ°Å¸®º° »ì¼öÀÔÀÚÀÇ Å©±â´Â ½ºÇÁ¸µÅ¬·¯ Á¾·ù¿¡ µû¶ó »ó´çÇÑ Â÷À̰¡ ÀÖÀ¸³ª ´ëüÀû Å©±â¸¦ º¸¸é µµ´Þ°Å¸® 1m À̳»¿¡¼­´Â 100~300$mu extrm{m}$, µµ´Þ°Å¸® 1m~2m ¹üÀ§¿¡¼­´Â 230~470$mu extrm{m}$, µµ´Þ°Å¸® 2~3m ¹üÀ§¿¡¼­´Â 300~770$mu extrm{m}$À¸·Î ³ªÅ¸³µ´Ù.
This study was performed to Investigate size of droplet sprinkled from mini-sprinkler. Twelve different kinds of the sprinkler having various structures and sizes of nozzle orifices were selected and tested. Diameters of the droplet reached at several distances from a sprinkler were measured by a machine vision system and the volume median diameters (VMM) were determined statistically. The size of droplet was not affected much by the size of nozzle orifice of a sprinkler but was rather more affected by structure of the sprinkler, especially by the shape of spreader of the sprinkler. Experiment of varying pressure of sprinkling water validated that the size of droplet was inversely proportional to water pressure powered by 1/3. Hence the size of droplet at any water pressure could be easily estimated from experimental data. The size of droplet increased as travel distance of the droplet increases in a relationship of and order function. The size of droplet of the tested sprinkler were in the ranges of 100-300fm within 1m of droplet travel distance, 230~470${mu}{ extrm}{m}$ within 1~2m of droplet travel distance and 300~770${mu}{ extrm}{m}$ within 2~3m of droplet travel distance.
 
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¹Ì´Ï ½ºÇÁ¸µÅ¬·¯;¼º´É;»ì¼öÀÔÀÚ Å©±â;üÀûÁß°£Á÷°æ;mini-sprinkler;performance;droplet size;volume median diameter;
 
»ý¹°È¯°æÁ¶ÀýÇÐȸÁö / v.6, no.3, 1997³â, pp.183-189
Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ
ISSN : 1229-4675
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199711922405440)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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