释义 |
Ångström compensation pyrheliometer Ångström compensation pyrheliometer[′ȯŋ·strəm käm·pən′sā·shən ¦pīr‚hē‚lē′äm·əd·ər] (engineering) A pyrheliometer consisting of two identical Manganin strips, one shaded, the other exposed to sunlight; an electrical current is passed through the shaded strip to raise its temperature to that of the exposed strip, and the electric power required to accomplish this is a measure of the solar radiation. |