ISHS Acta Horticulturae 633: XXVI International Horticultural Congress: Protected Cultivation 2002: In Search of Structures, Systems and Plant Materials for Sustainable Greenhouse Production
GREENHOUSE DESIGN FOR THE FUTURE WITH A CLADDING MATERIAL COMBINING HIGH INSULATION CAPACITY WITH HIGH LIGHT TRANSMITTANCE |
| Authors: | D. Waaijenberg, P.J. Sonneveld |
| Keywords: | plastic sheets, polycarbonate, energy saving, durable |
| Abstract:
For the world exhibition Floriade 2002 in The Netherlands a greenhouse design is developed by IMAG together with General Electric Plastics, Bergen op Zoom with polycarbonate double-web sheets with a zigzag-shaped surface. Intensive research was completed to develop the special zigzag shape of the plastic sheets resulting in an enhanced light transmittance and energy saving of approximately 20% over the whole year. The optimal dimensions for the sheets with respect to light transmittance, strength and insulation is a pattern of 50 mm for the zigzag shape, a thickness of 25 mm and the inclination of the pattern is 50°. The transmittance for diffuse light of the entire greenhouse with the double-web sheets is 78.8%. | |
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