This is a thesis research paper from the University of Washington in 2006. The objective of the study is to design a solar thermal heating system with seasonal storage for a greenhouse, optimized for the environmental impact, thermal efficiency and cost. The main goals of the study is to: provide 100 percent solar heat to the greenhouse; limit the size of the storage to fit within the footprint of the greenhouse; minimize environmental impact and cost; maintain greenhouse temperatures ideal for optimum growing; maintain historic greenhouse structure. The study breaks down how they designed the system, including the different collectors and sub systems, and the estimations of cost and environmental impact. Everything from radiant factors to the geometric factor for the collectors has formulas and charts breaking down all the steps in finding the end result.
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