Formula Symbols - U

Written by Jerry Ratzlaff on . Posted in Nomenclature & Symbols for Engineering, Mathematics, and Science

Formula Symbols

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U

SymbolGreek SymbolDefinitionUSMetricValue
$$UTS$$ - ultimate tensile stress - - -
$$l_{ur}$$ - unrestrained pipe length $$in \;or\; ft$$ $$mm \;or\; m$$ -
$$K_1$$ - upstream resistance coefficient dimensionless dimensionless -
$$L_b$$ - unbraced length of a steal beam in LRFD design $$in \;or\; ft$$ $$mm \;or\; m$$ -
$$\gamma_w$$ gamma unit weight of water $$lbf$$ $$N$$ -
$$R$$, $$\;R*$$ - universal gas constant constant constant $$0.082\;06\;L\;atm\;mol^{-1}\;K^{-1}$$
$$G$$ - universal gravitational constant - $$N-m^2\;/\;kg^2$$ -
$$U$$ - Ursell number dimensionless dimensionless  -
Symbol Greek Symbol Definition US Metric Value

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