Experimental diffusivities of the alumina compared closely with those predicted by the Rothfeld effectiveness factor model and the Wakao and Smith random pore model. Data on the Vycor also checked the predictions contrary to the findings of others. A possible explanation may be due to the difference
Gaseous diffusion in the transition pressure range
β Scribed by T. E. Mistler; G. R. Correll; J. O. Mingle
- Publisher
- American Institute of Chemical Engineers
- Year
- 1970
- Tongue
- English
- Weight
- 602 KB
- Volume
- 16
- Category
- Article
- ISSN
- 0001-1541
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The thermal diffusivity of several natural and synthetic rubber compounds was measured in the temperature range from 125 to 350 K with an automatic device. In every case, a step change has been found in the thermal diffusivity at the glass transition range. In partially crystalline elastomers, the t
The main purpose of this work was the clarification of the ESR behavior of carbons in the heattreatment range !XJO-1500Β°C by trying to pin down the reasons for the large broadening of the ESR line observed in this range. The quartz broadening occurring in heating samples in vacua, and the Hennig-Sm