L14: Energy Saving Greenhouses

Question 1

Closed Greenhouse

Answer 1

novel greenhouse with an active cooling system and temporary heat storage in an aquifer.

Question 2

Closed Greenhouse Advantages

Answer 2

• Higher Yields (high c02 in summer)
• Reduced energy consumption + C02 emission (30% less)
• Reduced biocide use
• Reduced water use)

Question 3

Closed Greenhouse Disadvantages

Answer 3

-High Costs

Question 4

Energy Screens Advantages

Answer 4

• Reduce energy use
• Limits peaks (contract capacity)
• Extra instrument for climate control
• Higher humidity at start of crop
• sum=Less radiant heat loss, less convection