Table A–3.
Experimental results on hemispherical total emittance of zirconium
| Specimen-1 | Specimen-2 | ||||
|---|---|---|---|---|---|
| Temperature (K) | ∊ | ∆∊a (%) | Temperature (K) | ∊ | ∆∊a (%) |
| 1674.7 | 0.307 | −0.87 | 1650.5 | 0.301 | −2.37 |
| 1680.1 | .309 | −0.33 | 1655.5 | .304 | −1.47 |
| 1685.7 | .310 | −0.12 | 1660.7 | .307 | −0.58 |
| 1691.4 | .312 | + 0.40 | 1666.0 | .310 | + 0.28 |
| 1697.1 | .313 | + 0.61 | 1671.4 | .312 | + 0.81 |
| 1703.0 | .314 | + 0.80 | 1676.9 | .315 | + 1.65 |
| 1848.8 | .320 | −0.24 | 1980.7 | .326 | −0.96 |
| 1856.9 | .322 | + 0.23 | 1991.0 | .327 | −0.86 |
| 1865.3 | .324 | + 0.68 | 2001.6 | .328 | −0.75 |
| 1873.7 | .325 | + 0.82 | 2012.3 | .329 | −0.65 |
| 1882.4 | .327 | + 1.26 | 2023.3 | .329 | −0.87 |
| 1891.3 | .328 | + 1.39 | 2034.5 | .330 | −0.78 |
| 2003.3 | .330 | −0.18 | |||
| 2014.3 | .332 | + 0.22 | |||
| 2025.6 | .333 | + 0.30 | |||
| 2037.1 | .334 | + 0.38 | |||
| 2048.9 | .335 | + 0.45 | |||
| 2061.0 | .336 | + 0.52 | |||
The quantity Δ∊ is percentage deviation of the individual results from the smooth function represented by the pertinent equation in table 3.