| 摘要 |
The present invention relates to a tubular solar air heater, and more particularly, to a tubular solar air heater having a black hot air tube of a predetermined section into which cold air can be introduced formed at an inside of a tube which is formed transparently or semi-transparently, and allowing the cold air to be heated by solar heat in the hot air tube and discharged to the outside, thereby enabling radiant heating. The present invention includes a tube main body formed of a transparent or semi-transparent material, and a hot air tube which is formed to be penetrated at an inner portion of the tube main body, has a black-colored surface or back surface, and allows the cold air to be introduced thereinto, heated by solar heat, and discharged to the outside. |
