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Development of Design Technology of Korean Style Air-Inflated Double-Layer Plastic Greenhouse  

Lee, Hyun-Woo (Department of Agricultural Eng., Kyungpook National Univ.)
Sim, Sang-Youn (Gyeonggi Province Agricultural Research & Extension Services)
Nam, Hyo-Seok (Department of Agricultural Eng., Kyungpook National Univ.)
Nam, Sang-Woon (Division of Bioresources Eng., Chungnam National Univ.)
Kim, Young-Shik (Sangmyung University)
Publication Information
Journal of Bio-Environment Control / v.18, no.3, 2009 , pp. 185-191 More about this Journal
Abstract
The construction of experimental greenhouses, operating test, and analysis on variation of different environment factors were conducted to provide fundamental data for design of Korean style air-inflated double-layer plastic greenhouse. The development of technology of attaching plastic to the structure and fasteners to be able to keep airtight was required in order to maintain proper static pressure in air space of double layer coverings. The insulation effect of air inflated greenhouse was better than conventional type. The temperature of arch type roof was greater about $2^{\circ}C$ than peach type roof in air inflated greenhouse. It was recommended that the plastic should be attached at the edges without clearance length in order to ease installation and raise airtightness of double layer coverings. The transmittance of arch type roof was greater than peach type in air inflated one span greenhouse. The transmittance of air inflated greenhouse was greater than conventional type due to frame ratio and distance between double layers in three span greenhouse. The condensation occurred on conventional type greenhouse was more than air inflated type. It was required to examine for a long time in order to analyze it quantitatively.
Keywords
air space; condensation; fan; insulation; PPF transmittance; static pressure;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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