Formula Symbols - W

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W

Symbol	Greek Symbol	Definition	US	Metric	Value
\(W\)	-	Wahl correction factor	-	-	-
\(f\)	-	Wallis parameter	dimensionless	dimensionless	-
\(Q_w\)	-	water flow rate	\(ft^3 \;/\; sec\)	\(m^3 \;/\; s\)	-
\(q\)	-	water flow rate increment	\(gpm\)	\(L \;/\; s\)	-
\( WHP\)	-	water horsepower	\(hp\)	-	-
\(WkW\)	-	water kilowatts	-	\(kW\)	-
\(WS\)	-	water surface	-	-	-
\(v_w\)	-	water velocity	\(ft\;/\;sec\)	\(m\;/\;s\)	-
\( P\)	-	watt	\(Watt\)	\(Watt\)	-
\(H\)	-	wave height	\(ft\)	\(m\)	-
\(\lambda\)	lambda	wavelength	\(ft\)	\(m\)	-
\(\lambda_l\)	lambda	wavelength (longitudinal)	constant	constant	\(2.835967539\;x\;10^{-17}\;m\)
\(\Psi\)	Psi	wave function	-	-	-
\(\sigma^1\)	sigma	wave number	-	-	-
\(\sigma\)	sigma	wave vector	-	-	-
\(\lambda\)	lambda	wave velocity	\(ft \;/\; sec\)	\(m \;/\; s\)	-
\(A_{web}\)	-	web area in a steel beam equal to the depth x web thickness	\(in^2 \;or\; ft^2\)	\(mm^2 \;or\; m^2\)	-
\(t_w\)	-	web thickness	\(in\)	\(mm\)	-
\(We\)	-	Weber number	dimensionless	dimensionless	-
\(G\), \(\;P\), \(\;W\)	-	weight	\(lbf\)	\(N\)	-
\(W_{\rho}\)	rho	weight density	\(lb\;/\;ft^3\)	\(kg\;/\;m^3\)	-
\(\gamma\)	gamma	weight of fluid	\(lbf\)	\(N\)	-
\(W_a\)	-	weight of air	-	-	-
\(W_s\)	-	weight of soil	\(lbf\)	\(N\)	-
\(W_s\)	-	weight of solid	\(lbf\)	\(N\)	-
\(W_w\)	-	weight of water	\(lbf\)	\(N\)	-
\(\theta_w\)	theda	Weinberg angle	dimensionless constant	dimensionless constant	\(0.22290\)
\(Wi\)	-	Weissenberg number	dimensionless	dimensionless	-
\(W\)	-	weld size	\(in\)	\(mm\)	-
\(A_{throat}\)	-	weld, area cross the throat of the weld	\(in^2 \;or\; ft^2\)	\(mm^2 \;or\; m^2\)	-
\(C_M\)	-	wet service factor for wood design	-	-	-
\(P_w\)	-	wetted perimeter	-	-	-
\(M\)	-	whole number	-	-	-
\(w\)	-	width	\(ft\)	\(m\)	-
\(b\)		width, often cross-section	\(in \;or\; ft\)	\(mm \;or\; m\)	-
\(b_f\)	-	width of the flange of a steel beam cross-section	\(in\)	\(mm\)	-
\(b_{entropy}\)	-	Wien entropy displacement law constant	constant	constant	\(3.002\;916\;077...\;x\;10^{-3}\;m\;K\)
\(b'\)	-	Wien frequency displacement law constant	constant	constant	\(5.878\;925\;757...\;x\;10^{10}\;Hz\;K^{-1}\)
\(b\)	-	Wien wavelength displacement law constant	constant	constant	\(2.897\;771\;955...\;x\;10^{-3}\;m\;K\)
\(\alpha\)	alpha	Womersley number	dimensionless	dimensionless	-
\(W\)	-	work	\(ft-lbf\)	\(J\)	-
\(W\)	-	work	\(Btu\)	\(kJ\)	-
\(W\)	-	work	\(HP-hr\)	\(MJ\)	-
\(W\)	-	work done on a system	\(ft-lbf\)	\(kW\)	-
\(\phi\)	phi	work function	-	-	-
\(W\)	-	work per unit mass	\(Btu\;/\;lbm\)	\(kJ\;/\;kg\)	-
Symbol	Greek Symbol	Definition	US	Metric	Value