| 摘要 |
<p>A porous, hygroscopic heat exchanger wall element particularly consisting of a natural fiber material. The wall element is drenched with a salt solution, the salt is retained in the pores by means of an adhesive, such as water glass, and the wall element is preferably also drenched with glycerine and a fine grain metal powder for further reduction of the freezing point and improved heat transfer.</p> |
