Formula Symbols - B

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

For other symbols see:  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

See Dimensionless Numbers, General Constants

SymbolGreek SymbolDefinitionUSMetric
\(BWR\) - back work ratio - -
\(Ba\) - Bagnold number dimensionless number dimensionless number
\(Ba\) - Barlow's formula - -
\(b\) - base - -
\(\Delta\) Delta beam deflection, an increment \(in\) \(mm\)
\(\Delta_{LL}\) Delta beam deflection due to live load \(in\) \(mm\)
\(\Delta_{TL}\) Delta beam deflection due to total load \(in\) \(mm\)
\(\Delta_{max}\) Delta beam deflection maximum calculated \(in\) \(mm\)
\(A_p\) - bearing area \(in^2 \;,\; ft^2\) \(mm^2 \;,\; m^2\)
\(Be\) - Bejan number dimensionless number dimensionless number
\(b\) - belt width \(in\) \(m\)
\(Be\) - Bernoulli's equation - -
\(Bm\) - Bingham number dimensionless number dimensionless number
\(k_b\) - binary rate coefficient - -
\(Bi\) - Biot number dimensionless number dimensionless number
\(Bl\) or \(B\) - Blake number dimensionless number dimensionless number
\(y\) - bleed fraction - -
\(u_k\) - Block wave function - -
\(Bo\) or \(Bd\) - Bodenstein number dimensionless number dimensionless number
\(\mu_b\) mu Bohr magneton constant constant
\(a_o\)   Bohr radius constant constant
\(k_B\) - Boltzmann constant \(lbf-ft\;/\;l \; R\) \(J\;/\;J\;/\;K\)
\(H\) - Boltzmann function - -
\(Bo\) - Bond number dimensionless number dimensionless number
\(\Delta E\)   Borda-Carnot equation \(lbf\;/\;ft^2\) \(Pa\)
\(A\) - bore factor \(in^2\) -
\(\upsilon\) upsilon Bragg angle - -
\(b\) - brake dimension \(in\) \(m\)
\(BHP\) - brake horsepower \(hp\) -
\(BkW\) - brake kilowatts - \(kW\)
\(BFSC\) - brake specific fuel consumption \(lbm \;/\; hp-hr\) \(kg \;/\; kW-h\)
\(BWR\) - brake work ratio - -
\(b\) - breadth - -
\(Br\) - Brinkman number dimensionless number dimensionless number
\(B \;,\; K\) - bulk modules \(lbf\;/\;ft^2\) \(Pa\)
\(B \;,\; K\) - bulk modules elasticity \(lbf\;/\;ft^2\) \(Pa\)
\(\theta\) theta bulk strain - -
\(T_b\;,\; T_{\infty}\) - bulk temperature \(F\) \(C\)
\(B \;,\; F_b\) - buoyancy force \(N\) \(N\)
\(b\) - Burgers vector - -
\(p_b\) - burst pressure \(psi\) \(kg\;/\;cm^2\)
\(BF\) - bypass factor - -