THE THERMAL CONDUCTIVITY AND TOTAL EMITTANCE OF TUNGSTEN AT 1800 TO 2800K.
Abstract
The thermal conductivities and total emittances of six tungsten samples prepared by different manufacturers using either arc-cast methods or powder metallurgy techniques were measured in the temperature range 2000 - 2800K. The thermal conductivity of commercially prepared arc-cast samples is slightly higher than the thermal conductivity of commercially prepared powder metallurgy samples. In both cases the thermal conductivity is independent of temperature. The total emittance at 2500K for the powder metallurgy samples is 0.25 and 0.29 for the arc-cast samples. The specially prepared materials have thermal conductivities and emittances which are different from the conductivity and emittance of commercially available materials. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Oct 01, 1969
- Accession Number
- AD0698357
Entities
People
- C. K. Jun
- M. Hoch
- Salman Ebrahim
Organizations
- University of Cincinnati