Formula Symbols - B
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
A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z
B
Symbol | Greek Symbol | Definition | English | Metric | SI | Value |
---|---|---|---|---|---|---|
\(Ba\) | - | Bagnold number | dimensionless | - | ||
\(Ba\) | - | Barlow's formula | \(\large{\frac{lbf}{in^2}}\) | \(Pa\) | \(kg- m^{-1}-s^{-2}\) | - |
\(b\) | - | base | - | - | - | - |
\(\Delta\) | Delta | beam deflection, an increment | \(in\) | \(mm\) | \(mm\) | - |
\(\Delta_{LL}\) | Delta | beam deflection due to live load | \(in\) | \(mm\) | \(mm\) | - |
\(\Delta_{TL}\) | Delta | beam deflection due to total load | \(in\) | \(mm\) | \(mm\) | - |
\(\Delta_{max}\) | Delta | beam deflection maximum calculated | \(in\) | \(mm\) | \(mm\) | - |
\(\tau\) | tau | beam shear stress | \(\large{\frac{lbf}{in^2}}\) | \(Pa\) | \(kg- m^{-1}-s^{-2}\) | - |
\(A_p\) | - | bearing area | \(in^2\) or \(ft^2\) | \(mm^2\) or \(m^2\) | \(mm^2\) or \(m^2\) | - |
\(Be\) | - | Bejan number | dimensionless | - | ||
\(b\) | - | belt width | \(in\) | \(mm\) | \(mm\) | - |
\(BA\) | - | bend allowance | \(in\) | \(mm\) | \(mm\) | - |
\(\theta\) | theta | bend angle | \(deg\) | \(rad\) | \(rad\) | - |
\(BD\) | - | bend deduction | \(in\) | \(mm\) | \(mm\) | - |
\(BM\) | - | bending momernt | \(\large{\frac{lbf}{sec}}\) | \(\large{\frac{kg-m}{s}}\) | \(kg - m - s^{-1}\) | - |
\(\sigma_b\) | sigma | bending stress | \(\large{\frac{lbf}{in^2}}\) | \(Pa\) | \(kg- m^{-1}-s^{-2}\) | - |
\(Be\) | - | Bernoulli's equation | \(\large{\frac{lbm}{ft^3}}\) | \(\large{\frac{kg}{m^3}}\) | \(kg - m^{-3}\) | - |
\(Bm\) | - | Bingham number | dimensionless | - | ||
\(k_b\) | - | binary rate coefficient | - | - | - | - |
\(Bi\) | - | Biot number | dimensionless | - | ||
\(Bl\), \(\;B\) | - | Blake number | dimensionless | - | ||
\(u_k\) | - | block wave function | - | - | - | - |
\(Bo\), \(\;Bd\) | - | Bodenstein number | dimensionless | - | ||
\(\mu_b\) | mu | Bohr magneton | - | \(\large{ \frac{J}{T} }\) | \(J - T^{-1}\) | \(9.274\;009\;994\;(57)\;x\;10^{-24}\) \(\large{ \frac{J}{T} }\) |
\(a_o\) | Bohr radius | \(ft\) | \(m\) | \(m\) | \(5.291\;772\;109 \;03\;x\;10^{-11}\) \(m\) | |
\(k\), \(\;k_b\) | - | Boltzmann constant | \(\large{ \frac{lbm-ft^2}{sec^2} }\) | \(\large{ \frac{kJ}{mol-K} }\) | \(kJ - mol^{-1} - K^{-1}\) | \(1.380\;648\;52 \;x \;10^{-23}\) \(\large{ \frac{kJ}{mol-K} }\) |
\(H\) | - | Boltzmann function | - | - | - | - |
\(Bo\) | - | Bond number | dimensionless | - | ||
\(\Delta E\) | Borda-Carnot equation | \(lbf-ft\) | \(J\) | \(kg - m^2 - s^{-2}\) | - | |
\(BORE\) | - | bore | \(in\) | \(mm\) | \(mm\) | - |
\(A\) | - | bore factor | - | - | - | |
- | - | Boyles law | \(\large{\frac{lbf}{in^2}}\) | \(\large{\frac{N}{m^2}}\) | \(N - m^{-2}\) | - |
\(\upsilon\) | upsilon | Bragg angle | - | - | - | - |
\(b\) | - | brake dimension | \(in\) | \(mm\) | \(mm\) | - |
\(BHP\), \(\;HP_b\) | - | brake horsepower | \(\large{\frac{lbf-ft}{sec}}\) | \(\large{\frac{J}{s}}\) | \(J - s^{-1}\) | - |
\(BkW\) | - | brake kilowatts | - | - | - | - |
\(B_r\) | - | brake reaction distance | \(ft\) | \(m\) | \(m\) | - |
\(t\) | - | brake reaction time | \(sec\) | \(s\) | \(s\) | - |
\(BSFC\) | - | brake specific fuel consumption | \(\large{\frac{lbm}{hp-hr}}\) | \(\large{\frac{kg}{kW-h}}\) | \(kg - kW^{-1} - h^{-1}\) | - |
\(B_d\) | - | braking distance | \(ft\) | \(m\) | \(m\) | - |
\(B_d\) | - | Braking distance on grade | \(ft\) | \(m\) | \(m\) | - |
\(BHN\), \(\;HB\) | - | Brinell hardness number | \(\large{\frac{lbm}{in^2}}\) | \(\large{\frac{kg}{mm^2}}\) | \(kg - mm^{-2}\) | - |
\(Br\) | - | Brinkman number | dimensionless | - | ||
- | Brownell-Katz number | dimensionless | - | |||
\(k_{cr}\) | - | buckling coefficient | dimensionless | - | ||
\(Y\) | - | bulk density | \(\large{ \frac{lbm}{ft^3} }\) | \(\large{ \frac{kg}{m^3} }\) | \(kg - m^{-3}\) | - |
\(B\), \(\;K\) | - | bulk modules | \(\large{\frac{lbm}{in^2}}\) | \(Pa\) | \(kg- m^{-1}-s^{-2}\) | - |
\(B\), \(\;K\) | - | bulk modules elasticity | \(\large{\frac{lbm}{in^2}}\) | \(Pa\) | \(kg- m^{-1}-s^{-2}\) | - |
\(\theta\) | theta | bulk strain | \(\large{\frac{in}{in}}\) | \(\large{\frac{mm}{mm}}\) | \(mm - mm^{-1}\) | - |
\(T_b\), \(\;T_{\infty}\) | - | bulk temperature | \( F\) | \(C\) | \(x+273.15\;K\) | - |
\( \gamma ' \) | gamma | bulk unit weight | \(\large{ \frac{lbm}{ft^3} }\) | \(\large{ \frac{N}{m^3} }\) | \(N - m^{-3}\) | - |
\(B\) | - | buoyancy | \(lbf\) | \(N\) | \(kg - m - s^{-2}\) | - |
\(B\), \(\;F_b\) | - | buoyancy force | \(lbf\) | \(N\) | \(kg - m - s^{-2}\) | - |
\(m_b\) | - | buoyancy mass | \(lbm\) | \(kg\) | \(kg\) | - |
\(\gamma '\) | gamma | buoyant unit weight | \(\large{ \frac{lbm}{ft^3} }\) | \(\large{ \frac{N}{m^3} }\) | \(N- m^{-3}\) | - |
\(b\) | - | Burgers vector | - | - | - | - |
\(p_b\) | - | burst pressure | \(\large{\frac{lbf}{in^2}}\) | \(Pa\) | \(kg- m^{-1}-s^{-2}\) | - |
\(\sigma_{avg}\) | sigma | buttweld under axial and transverse loading | \(\large{\frac{lbf}{in^2}}\) | \(Pa\) | \(kg- m^{-1}-s^{-2}\) | - |
\(BF\) | - | bypass factor | - | - | - | - |
Symbol | Greek Symbol | Definition | English | Metric | Value |
A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z