roughness factor (rugosity)

of a surface
https://doi.org/10.1351/goldbook.R05419
The ratio: \[f_{\text{r}}=\frac{A_{\text{r}}}{A_{\text{g}}}\] where \(A_{\text{r}}\) is the @R05193-1@ (true, actual) @R05193-2@ and \(A_{\text{g}}\) is the @E02282@.
Source:
PAC, 1986, 58, 437. (Interphases in systems of conducting phases (Recommendations 1985)) on page 439 [Terms] [Paper]
Citation: 'roughness factor' in IUPAC Compendium of Chemical Terminology, 3rd ed. International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. https://doi.org/10.1351/goldbook.R05419 RIS BibTex EndNote
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Last revised: February 24, 2014