H

In the convection experiment shown in Fig. 4.7, the heating pad supplied energy at around H = 4000 Wm-2. If the convection penetrates over a vertical scale Iz = 0.2 m, then Eq. 4-10 implies IT ~ 0.1 K if a = 2 x 10-4 K-1 and cp = 4000 J kg-1 K-1. Eq. 4-9 then implies a parcel speed of ~ 0.5cms-1. This is not atypical of what is observed in the laboratory experiment.

Thus convection transfers heat vertically away from the pad. Even though the convection layer is very well mixed, with small temperature fluctuations (as can be seen in the T(t) observations in Fig. 4.8) the motions are sufficiently vigorous to accomplish the required transfer.

Solar Power Sensation V2

Solar Power Sensation V2

This is a product all about solar power. Within this product you will get 24 videos, 5 guides, reviews and much more. This product is great for affiliate marketers who is trying to market products all about alternative energy.

Get My Free Ebook


Post a comment