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- W2187210918 abstract "In this paper, we present a method of producing tomatoes for profit in an isolated Arctic community using only renewable energy sources. A modified rockwool drip hydroponics system was employed, which uses electrodialysis to reclaim efflu- ent nutrient solution. The facility proposed is a modified A-frame greenhouse with highly insulated exterior walls and a slanted roof made of transparent polycarbonate. The facility operates on pas- sive solar radiation that is supplemented by wind power from a 10 kW turbine. A heat exchanging ventilation system is imple- mented to reduce the amount of heat lost in the winter. A control system is included to partially automate operation and to allow for remote system control and monitoring through the Internet. Index Terms -- Arctic, Greenhouse, Hydroponics, Wind Tur- bine. I. INTRODUCTION ARVIAT, Nunavut is an isolated hamlet on the coast of Hud- son Bay. It is difficult for the 2000 inhabitants to find reason- ably priced produce due to limited accessibility and harsh weather conditions that do not favor traditional agricultural practices. Off grid renewable power and water recycling are required due to the low power grid capacity and limited fresh water supply in Arviat. The operation must be completely self- contained and compatible with the northern climate. Currently non-profit greenhouses operate during the summer in similar northern communities (1). However, our facility will produce crops for profit. Commercial, fully automated and self-con- tained greenhouses have been implemented successfully but in very different climatic regions (2). The design proposed is unique because it aims to operate all year round in the Arctic in a manner that is both environmentally and economically sound. Thermodynamic testing, energy analysis, and cost anal- ysis were performed to illustrate the feasibility of the design solution. The main focal point of the greenhouse design is the optimization of energy efficiency. The milestone for this project is a three-dimensional model of the facility simulated in AutoDesk Architectural and Viz 2007©." @default.
- W2187210918 created "2016-06-24" @default.
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- W2187210918 date "2007-01-01" @default.
- W2187210918 modified "2023-09-26" @default.
- W2187210918 title "Cold Climate Tomato Production Facility" @default.
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