Automatic control of a solar kiln for drying lumber
Shekhtov, Kh; Al Khaddad, M.
Nauchni Trudove, Vissh Lesotekhnicheski Institut, Sofiya Mekhanichna Tekhnologiya na D"rvesinata 24: 167-174
An account is given of a progressive-type kiln developed in Bulgaria. It has three working chambers; in the first, the air conditions are determined by solar radiation; in the second, the material is conditioned; and in the third chamber, the temp. is kept constant by electric heating.