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강제 흡출식 복사선 차폐장치가 온실의 기온측정에 미치는 영향 KCI 등재

Effects of an Aspirated Radiation Shield on Temperature Measurement in a Greenhouse

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생물환경조절학회지 (Journal of Bio-Environment Control)
한국생물환경조절학회 (The Korean Society For Bio-Environment Control)
초록

This study was designed to examine the performance of an aspirated radiation shield(ARS), which was made at the investigator's lab and characterized by relatively easier making and lower costs based on survey data and reports on errors in its measurements of temperature and relative humidity. The findings were summarized as follows: the ARS and the Jinju weather station made measurements and recorded the range of maximum, average, and minimum temperature at 2.0~34.1oC, -6.1~22.2oC, –14.0~15.1oC and 0.4~31.5oC, -5.8~22.0oC, -14.1~16.3oC, respectively. There were no big differences in temperature measurements between the two institutions except that the lowest and highest point of maximum temperature was higher on the campus by 1.6oC and 2.6oC, respectively. The measurements of ARS were tested against those of a standard thermometer. The results show that the temperature measured by ARS was lower by –2.0oC or higher by 1.8oC than the temperature measured by a standard thermometer. The analysis results of its correlations with a standard thermometer reveal that the coefficient of determination was 0.99. Temperature was compared between fans and no fans, and the results show that maximum, average, and minimum temperature was higher overall with no fans by 0.5~7.6oC, 0.3~4.6oC and 0.5~3.9oC, respectively. The daily average relative humidity measurements were compared between ARS and the weather station of Jinju, and the results show that the measurements of ARS were a little bit higher than those of the Jinju weather station. The measurements on June 27, July 26 and 29, and August 20 were relatively higher by 5.7%, 5.2%, 9.1%, and 5.8%, respectively, but differences in the monthly average between the two institutions were trivial at 2.0~3.0%. Relative humidity was in the range of –3.98~+7.78% overall based on measurements with ARS and Assman's psychometer. The study analyzed correlations in relative humidity between the measurements of the Jinju weather station and those of Assman's psychometer and found high correlations between them with the coefficient of determination at 0.94 and 0.97, respectively.

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Abstract
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저자
  • 정영균(경상대학교 지역환경기반공학과(농업생명과학연구원)) | Young Kyun Jeong (Dept. of Agricultural Eng., Gyeongsang National Univ.(Institute of Agriculture and Life Science, GNU))
  • 이종구(경상대학교 지역환경기반공학과(농업생명과학연구원)) | Jong Goo Lee (Dept. of Agricultural Eng., Gyeongsang National Univ.(Institute of Agriculture and Life Science, GNU))
  • 윤성욱(국립원예 특작 과학원 시설원예 연구소) | Sung Wook Yun (Dept. of Agricultural Engineering, National Academy of Agricultural Science, RDA)
  • 김현태(경상대학교 생물산업기계공학과(농업생명과학연구원)) | Hyeon Tae Kim (Dept. of Bio-Industrial Machinery Eng.. Gyeongsang National Univ.(Institute of Agriculture & Life Science))
  • 안은기((주)유비엔) | Enu Ki Ahn (UBN Corporation)
  • 서재석((주)유비엔) | Jae Seok Seo (UBN Corporation)
  • 윤용철(경상대학교 지역환경기반공학과(농업생명과학연구원)) | Yong Cheol Yoon (Dept. of Agricultural Eng., Gyeongsang National Univ.(Institute of Agriculture and Life Science, GNU)) Corresponding author