Formula Symbols - B

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B

Symbol	Greek Symbol	Definition	US	Metric	Value
\(BWR\)	-	back work ratio	-	-	-
\(Ba\)	-	Bagnold number	dimensionless	dimensionless	-
\(Ba\)	-	Barlow's formula	\(lb \;/\; in^2 \;or\; psi\)	\(Pa\)	-
\(b\)	-	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	\(in^2 \;or\; ft^2\)	\(mm^2 \;or\; m^2\)	-
\(Be\)	-	Bejan number	dimensionless	dimensionless	-
\(b\)	-	belt width	\(in\)	\(mm\)	-
\(BA\)	-	bend allowance	\(in\)	\(mm\)
\(\theta\)	theta	bend angle	\(deg\)	\(rad\)	-
\(\sigma_b\)	sigma	bending stress	\(lb\;/\;in^2 \;or\; psi\)	\(Pa\)	-
\(Be\)	-	Bernoulli's equation	-	-	-
\(Bm\)	-	Bingham number	dimensionless	dimensionless	-
\(k_b\)	-	binary rate coefficient	-	-	-
\(Bi\)	-	Biot number	dimensionless	dimensionless	-
\(Bl\), \(\;B\)	-	Blake number	dimensionless	dimensionless	-
\(y\)	-	bleed fraction	-	-	-
\(u_k\)	-	Block wave function	-	-	-
\(Bo\), \(\;Bd\)	-	Bodenstein number	dimensionless	dimensionless	-
\(\mu_b\)	mu	Bohr magneton	constant	constant	\(9.274\; 010 \;0783\;x\; 10^{-24}\; J\;T^{-1}\)
\(a_o\)		Bohr radius	constant	constant	\(5.291\; 772\; 109 \;03\;x\; 10^{-11}\; m\)
\(k\), \(\;k_b\)	-	Boltzmann constant	constant	constant	\(1.380\; 649 \;x \;10^{-23}\; J\;K^{-1}\)
\(H\)	-	Boltzmann function	-	-	-
\(Bo\)	-	Bond number	dimensionless	dimensionless	-
\(\Delta E\)		Borda-Carnot equation	\(lbf\;/\;ft^2\)	\(Pa\)	-
\(BORE\)	-	bore	\(in\)	\(mm\)	-
\(A\)	-	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	-	-	-
\(BHN\), \(\;HB\)	-	Brinell hardness number	-	-	-
\(Br\)	-	Brinkman number	dimensionless	dimensionless	-
	-	Brownell-Katz number	dimensionless	dimensionless	-
\(Y\)	-	bulk density	\(lb/gal\)	\(g/mL\)	-
\(B\), \(\;K\)	-	bulk modules	\(lb \;/\; in^2 \;or\; psi\)	\(Pa\)	-
\(B\), \(\;K\)	-	bulk modules elasticity	\(lb \;/\; in^2 \;or\; psi\)	\(Pa\)	-
\(\theta\)	theta	bulk strain	-	-	-
\(T_b\), \(\;T_{\infty}\)	-	bulk temperature	\(^\circ F\)	\(C\)	-
\(B\)	-	buoyancy	\(lbf\)	\(N\)	-
\(B\), \(\;F_b\)	-	buoyancy force	\(lbf\)	\(N\)	-
\(m_b\)	-	buoyancy mass	-	-	-
\(b\)	-	Burgers vector	-	-	-
\(p_b\)	-	burst pressure	\(lb \;/\; in^2 \;or\; psi\)	\(Pa\)	-
\(BF\)	-	bypass factor	-	-	-
Symbol	Greek Symbol	Definition	US	Metric	Value