Designing an Aquaponic Greenhouse for an Urban Food
Figure 15 greenhouses designs The Quonset and gothic style are circular or parabolic shaped frames. They have round tubing that ...
trusses, and the frame must be footed. But like the rigid-frame, the post and rafter allows more space along the sidewalls and e ...
free material, not requiring paint, which could bring the price down in the long run. It also is easy to put togeter or take apa ...
The other materials are the polycarbonate, in this case a multi-wall, multi-wall polycarbonate, which offers higher impact resis ...
Another option that is in between a permanent floor and dirty is the use of pea gravel and a special flooring designed for green ...
energy that would otherwise be used to heat the greenhouse during the night. According to a research done in New Jersey, the use ...
offer an R value of up to 5 per inch of thickness. The blue board is also made for a ground insulation, what offers a good resis ...
2.3.1.5.3 Table Comparison of Different Insulation Materials LOOSE FILL BATT SPRAY FOAM RIGID/BOARD- STOCK What it is Loose cell ...
(Mack, 2014) Table 2. A comparison of different insulation material 2.3.1.6 Ventilation Systems Greenhouse ventilation is the cy ...
Spring and fall ventilation are in between the summer and winter ventilation requirements, because it has some cloudy and cold d ...
2.3.1.6.2 Natural Ventilation Systems Natural ventilation systems, are systems that work manually or through natural energy. The ...
hot air scape. This phenomena will drastically increase the cost for heating the greenhouse. It is important to note that any au ...
The space required for a circular tank is larger than that required for rectangular (Figure 19 ) because of its round edges. Thi ...
Copper pipes have many drawbacks like the oxidation and corrosion. They do not tolerate high temperature amplitudes and they are ...
less popular due to being less cost effective. Solar hot water systems are attractive because of the 0 fuel and low energy requi ...
heater to heat the green house and the water tanks. Also we can use this system for other needs of greenhouse like lighting pump ...
2.3.2.4 Pumps The pumps in our aquaponics system are needed to pump the water from the fish tank to the growing bed. Choosing th ...
Figure 23. AirLift Pump Another option is the Peristaltic pump used in dialysis machines shown in the Figure 24. This kind of pu ...
Efficiency Easiness Installation Backflow Maintenance Amortization Hazards (oil leak) Cost per 800 GPH Impeller High Yes YES Low ...
Design Simplicity Surface area Cost Biofuel Stability Combination With other Filter Trickling bio filter Yes Low High Yes High N ...
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