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Christopher Vincent Program Technician Horticulture – University of Arkansas
Manipulate harvest season Improve growth Temperature Light diffusion and reduction Exclude pests Reduce diseases January 3, 2011
Crops: Berries Tomatoes Peppers Greens Flowers
Rule: purpose driven design Different designs have different impacts on inside microclimate Choose your design according to the use you intend to give it
Anchors Frame shape Frame reinforcement Skin Size Ease and cost of construction Total cost per ft 2
Screw paddle Tube Do you need cement?
Quonset (hoop) Simple Vertical wall Better ground space utilization Gothic arch Claimed to be better in snow
Purlins Parallel Connects hoops so they shift together Perpendicular Keeps hoop stable from shifting side-to-side
Truss/brace Tubing gauge gauge Square or round tubing End reinforcement
End wall strength Venting height Seal
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Two layers of poly seal and air pump inflates the space between them. Superior insulation Higher cost Initial Maintenance
Ease Number of people required at once How much time Cost Tools and machinery Materials Labor
Chapter 12 Concrete Construction Part 1 1CE 417, King Saud University.
HEAT. What do you think this photograph shows? ENERGY of HEAT It takes heat to shape glass or to make a cup of tea.
Hoop House Construction. Parts of the hoop house Frame Hoops Braces Plastic cover.
Reducing Home Energy Use Sources: Prepared by GMM Committee on Global Warming.
1 Unit A: Basic Principles of Plant Science with a Focus on Field Crops Lesson 4: Understanding Leaf Anatomy and Morphology.
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JPL Green Club Meeting 27 September 2012 Ann Tavormina DESIGNING A PASSIVE- SOLAR, FOSSIL-FUEL- FREE, GRID-NEUTRAL HOME.
Für die Zukunft junger Ingenieure Chassis Design Space Frame 2009 Ronald Müller Gesamtfahrzeugleiter Rennteam Uni Stuttgart.
EQuest Quick Energy Simulation Tool. Main Points eQuest is a tool from the Department of Energy. –
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Population and Ecosystems Solar Energy. Aristarchus 270 BCE, a scientific thinker from the island of Samos near Turkey, was the first to challenge Aristotle’s.
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Windows and Exterior Doors Insert fig Types of Windows Double-hung: consists of 2 sash that slide up and down in the window frame. Most widely.
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Product information, Features & benefits. EUROBLOC VT Main characteristics Particularities - Minimum displacement of hook block - Best C dimension of.
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