| 单词 | Graetz number |
| 释义 | Graetz number [`grets ´nǝm·bǝr] THERMODYNAMICS A dimensionless number used in the study of streamline flow, equal to the mass flow rate of a fluid times its specific heat at constant pressure divided by the product of its thermal conductivity and a characteristic length. Also spelled Grätz number. Symbolized NGz . |
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