Formula Symbols - L
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L
Symbol | Greek Symbol | Definition | US | Metric | Value |
---|---|---|---|---|---|
\(L\) | - | Lagrangian function | - | - | - |
\(La\) | - | Laplace number | dimensionless | dimensionless | - |
\(L\) | - | latent heat | \(Btu \;/\; lbm\) | \(J \;/\; kg\) | - |
\(L\), \(\;L_s\) | latent heat of steam | \(Btu \;/\; lbm\) | \(J \;/\; kg\) | - | |
\(h_{fg}\) | - | latent heat of vaporization | \(Btu \;/\; lbm\) | \(J \;/\; kg\) | - |
\(\delta '\) | delta | lateral deflection | \(deg\) | \(rad\) | - |
\(\epsilon '\), \(\;\epsilon_t\) | epsilon | lateral strain (transversal strain) | \(ft\) | \(m\) | - |
\(G\) | - | leak rate | \(cfm\) | \(lpm\) | - |
\(a\), \(\;L\), \(\;l\) | - | length | \(in \;or\; ft\) | \(mm \;or\; m\) | - |
\(l_d\), \(\;\Delta l\) | delta | length differential | - | - | - |
\(L\) | - | length of vertical curve | \(ft\) | \(m\) | - |
\(\Gamma\) | Gamma | level width | - | - | - |
\(Le\) | - | Lewis number | dimensionless | dimensionless | - |
\(C_l\) | - | lift coefficient | dimensionless | dimensionless | - |
\(L\) | - | lift force | \(lb\) | \(N\) | - |
\(C_L\) | - | lift number | dimensionless | dimensionless | - |
\(c\) | - | light (vacuum) | \(ft\;/\;sec\) | \(m\;/\;s\) | - |
\(\lambda_c\) | lambda | linear attenuation coefficient | - | - | - |
\(\lambda\) | lambda | linear concentration | dimensionless | dimensionless | - |
\(s\) | - | linear displacement | \(ft\) | \(m\) | - |
\(\alpha_l\) | alpha | linear expansion coefficient | \(ft^3\) | \(m^3\) | - |
\(p\) | - | linear momentum | \(lb-ft\;/\;sec\) | \(kg-m\;/\;s\) | - |
\(p\) | - | linear momentum vector | \(lb-ft\;/\;sec\) | \(kg-m\;/\;s\) | - |
\(R\), \(\;R_l\) | - | linear range | - | - | - |
\(S\), \(\;S_l\) | - | linear stopping power | - | - | - |
\(e\), \(\;\epsilon\) | epsilon | linear strain | - | - | - |
\(a_t\) | - | linear tangential path | \(ft\) | \(m\) | - |
\(\alpha\) | alpha | linear thermal expansion | \(in\) | \(mm\) | - |
\(\alpha_l\) | alpha | linear thermal expansion coefficient | \(in\) | \(mm\) | - |
\(F_f\) | - | liquid critical pressure ratio factor | dimensionless | dimensionless | - |
\(T_i\) | - | liquid inlet temperature | \(^\circ F\) | \(C\) | - |
\(F_l\) | - | liquid pressure recovery factor | dimensionless | dimensionless | - |
\(T_o\) | - | liquid outlet temperature | \(^\circ F\) | \(C\) | - |
\(SG_l\), \(\;G_f\) | - | liquid specific gravity | dimensionless | dimensionless | - |
\(c_l\) | - | liquid specific heat | \(Btu\;/\;lb- ^\circ F\) | \(kJ\;/\;kg-K\) | - |
\(LL\) | - | live load | - | - | - |
\(L\) | - | live load for LRFD design | - | - | - |
\(\gamma_L\) | gamma | live load factor in LRFD steel design | - | - | - |
\(P\) | - | load | \(lbf\) | \(N\) | - |
\(C_F\) | - | load duration factor for wood design | - | - | - |
\(LRFD\) | - | load and resistance factor design | - | - | - |
\(\omega\) | omega | load per unit area | \(lbf\;/\;ft^2\) | \(N\;/\;m^2\) | - |
\(\omega\) | omega | load per unit length | \(lbf\;/\;ft\) | \(N\;/\;m\) | - |
\(w\) | - | load per unit length on a beam | \(lb\;/\;ft\) | \(N\;/\;m\) | - |
\(K\) | - | loading factor | - | - | - |
\(\chi\) | chi | Lockhart-Martinelli parameter | dimensionless | dimensionless | - |
\(x\), \(\;y\) | - | location | \(in\) | \(m\) | - |
\(\Lambda\) | Lambda | logarithmic decrement | - | - | - |
\(LMTD\) | - | logarithmic mean temperature differential | - | - | - |
\(s\) | - | long range order parameter | - | - | - |
\(\delta\) | delta | longitudinal deflection | - | - | - |
\(\epsilon\), \(\;\epsilon_a\) | epsilon | longitudinal strain (axial strain) | \(ft\) | \(m\) | - |
\(\sigma_l\) | sigma | longitudinal stress | \(ft\) | \(m\) | - |
\(L\) | - | Lorenz coefficient | - | - | - |
\(n_o\) | - | Loschmidt constant | constant | constant | \(2.686\;7805\;x\;10^{25}\;m^{-3}\) |
\(K\) | - | loss coefficient | dimensionless | dimensionless | - |
\(F_l\) | - | loss factor | - | - | - |
\(L_n\) | - | loudness level | - | - | - |
\(h\), \(\;k\), \(\;l\) | - | Love numbers | dimensionless | dimensionless | - |
\(LHV\) | - | lower heating value | \(Btu \;/\; lbm\) | \(kJ \;/\; kg\) | - |
\(LRFD\) | - | load and resistance factor design | - | - | - |
\(L\) | - | luminosity | - | \(W\) | - |
\(K_{cd}\) | - | luminous efficacy | constant | constant | - |
\(S\) | - | Lundquist number | dimensionless | dimensionless | - |
Symbol | Greek Symbol | Definition | US | Metric | Value |
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