Nomenclature and Symbols Glossary

Algebra Symbols, Angle and Line Symbols, ASCII Characters, Basic Math Symbols, Bracket Symbols, Equivalence Symbols, Geometry Symbols, Greek Alphabet, HTML Colors, Miscellaneous Symbols, Roman Numerals, Set Symbols, Square Root Symbols

 

Formula Symbols

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U

Symbol	Greek Symbol	Definition	English	Metric	SI	Value
\(UTS\)	-	ultimate tensile stress	\(\large{ \frac{lbf}{in^2} }\)	\(Pa\)	\(kg- m^{-1}-s^{-2}\)	-
\(l_{ur}\)	-	unrestrained pipe length	\(ft\) or \(in\)	\(m\) or \(mm\)	\(m\) or \(mm\)	-
\(K_1\)	-	upstream resistance coefficient	dimensionless			-
\(L_b\)	-	unbraced length of a steal beam in LRFD design	\(ft\) or \(in\)	\(m\) or \(mm\)	\(m\) or \(mm\)	-
\(p_u\)	-	underwater pressure	\(\large{ \frac{lbf}{in^2} }\)	\(Pa\)	\(kg- m^{-1}-s^{-2}\)	-
\(\gamma\)	gamma	unit weight	\(\large{ \frac{lbm}{ft^3} }\)	\(\large{ \frac{N}{m^3} }\)	\(N-m^{-3}\)	-
\(\gamma_s\)	gamma	unit weight of solid	\(\large{ \frac{lbm}{ft^3} }\)	\(\large{ \frac{N}{m^3} }\)	\(N-m^{-3}\)	-
\(\gamma_w\)	gamma	unit weight of water	\(\large{ \frac{lbm}{ft^3} }\)	\(\large{ \frac{N}{m^3} }\)	\(N-m^{-3}\)	-
\(R\), \(\;R*\)	-	universal gas constant	\(\large{ \frac{lbf-ft}{lbmol-R} }\)	\(\large{ \frac{J}{kmol-K} }\)	\(J-kmol-K^{-1}\)	\(8.314\;462\;618\;153\;24\) \(\large{ \frac{J}{kmol-K} }\)
\(G\)	-	universal gravitational constant	\(\large{\frac{lbf-ft^2}{lbm^2}}\)	\(\large{\frac{N - m^2}{kg^2}}\)	\(N - m^2-kg^{-2}\)	\(6.674\;30\;x\;10^{-11}\) \(\large{\frac{N - m^2}{kg^2}}\)
\(USLE\)	-	universal soil loss	\(tons-acre-yr\)	\(tonnes-hectare-yr\)	\(tonnes-hectare-yr\)	-
\(l_{ur}\)	-	unrestrained pipe expansion	\(ft\)	\(m\)	\(m\)	-
\(U\)	-	Ursell number	dimensionless			-
Symbol	Greek Symbol	Definition	English	Metric		Value

 

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