A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Transient Heat Transfer in Concrete
The experimental method to study transient heat transfer in concrete has been applied to three concretes of very different compositions. The similarity curves obtained for the three concretes were very much alike. Thermodynamic analysis was used to derive values of the effective volumetric specific heats. The analysis involved the development of idealized compositions to represent the concrete constituents in an approximate way. These were used in conjunction with experimental similarity curves to derive values of effective thermal conductivity for the three concretes which take into account the thermal effects of moisture migration. The results indicated that limestone and magnetite concretes are significantly more conductive at low temperatures than basalt concrete, although all three have values near 1 W/m-K at 700 exp 0 C. (ERA citation 04:022839)
Transient Heat Transfer in Concrete
The experimental method to study transient heat transfer in concrete has been applied to three concretes of very different compositions. The similarity curves obtained for the three concretes were very much alike. Thermodynamic analysis was used to derive values of the effective volumetric specific heats. The analysis involved the development of idealized compositions to represent the concrete constituents in an approximate way. These were used in conjunction with experimental similarity curves to derive values of effective thermal conductivity for the three concretes which take into account the thermal effects of moisture migration. The results indicated that limestone and magnetite concretes are significantly more conductive at low temperatures than basalt concrete, although all three have values near 1 W/m-K at 700 exp 0 C. (ERA citation 04:022839)
Transient Heat Transfer in Concrete
L. Baker (author) / F. B. Cheung (author) / J. D. Bingle (author)
1978
12 pages
Report
No indication
English
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