Temperature

The ambient temperature in near-equatorial regions may reach 50-55°C. However, the plastic samples exposed under such extreme conditions may reach about

Table 5.4 Annual Average Incident Solar Radiation for Different Geographic Locations WorldWide

Places

Incident Solar Radiation, kLy/year

Florida (USA) Arizona (USA) Almeria (Spain) Basel (Switzerland) Dhahran (Saudi Arabia) Melbourne (Australia) Singapore

77°C. Usually, the plastic surface temperature is significantly higher than the surrounding air temperature. Exposed sample temperature plays an important role in degradation during weathering. The greenhouse films are exposed to heat stress at the point of contact with metallic framework.

Was this article helpful?

0 0
Building Your Own Greenhouse

Building Your Own Greenhouse

You Might Just End Up Spending More Time In Planning Your Greenhouse Than Your Home Don’t Blame Us If Your Wife Gets Mad. Don't Be A Conventional Greenhouse Dreamer! Come Out Of The Mould, Build Your Own And Let Your Greenhouse Give A Better Yield Than Any Other In Town! Discover How You Can Start Your Own Greenhouse With Healthier Plants… Anytime Of The Year!

Get My Free Ebook


Post a comment