Formula Symbols - V

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

SymbolGreek SymbolDefinitionUSMetric
\(p_v\) - vacuum pressure \(lb\;/\;in^2 \;or\; PSI\) \(Pa\)
\(Va\) - Vadasz number dimensionless number dimensionless number
\(C_v\) or \(K_v\) - valve flow coefficient \(lb\;/\;in^2 \;or\; PSI\) \(Pa\)
\(P_1\) - valve inlet pressure \(lb\;/\;in^2 \;or\; PSI\) \(Pa\)
\(P_2\) - valve outlet pressure \(lb\;/\;in^2 \;or\; PSI\) \(Pa\)
\(F_o\) - valve style modifier dimensionless number dimensionless number
\(C_v\) - valve sizing coefficient - -
\(Re_v\)   valve Reynolds number dimensionless number dimensionless number
\(G_{vd}\) - vapor density of gas \(lb\;/\;ft^3\) \(kg\;/\;m^3\)
\(p_v\) - vapor pressure \(lb\;/\;in^2 \;or\; PSI\) \(Pa\)
\(p_s\) - vapor pressure of the solution \(lb\;/\;in^2 \;or\; PSI\) \(Pa\)
\(p_s^0\) - vapor pressure of pure solution \(lb\;/\;in^2 \;or\; PSI\) \(Pa\)
\(c \;or\; v \;or\; u \;or\; \omega\) omega velocity \(ft\;/\;sec\) \(m\;/\;s\)
\(C_v\) - velocity coefficient - -
\(\nu\) nu velocity gradient \(ft\;/\;sec\) \(m\;/\;s\)
\(c_l\) - velocity of longitudinal waves - -
\(c\) - velocity of sound - -
\(c_t\) - velocity of transverse waves - -
\(v_s\) - velocity of steam \(ft\;/\;sec\) \(m\;/\;s\)
\(v_w\) - velocity of water \(ft\;/\;sec\) \(m\;/\;s\)
\( \Delta v \;or\; dv \;or\;  \Delta\omega\) omega velocity differential \(ft\;/\;sec\) \(m\;/\;s\)
\(\nu\) nu velocity gradient \(ft\;/\;sec\) \(m\;/\;s\)
\(VP\) - velocity pressure \(in\;/\;wg\) \(Pa\)
\(P \;or\; P_v\) - velocity power \(ft-lbf\;/\;sec\) \(J\;/\;s\)
\(p_{vc}\) - vena contracta \(lb\;/\;in^2 \;or\; PSI\) \(Pa\)
\(y\) - vertical distance \(ft\) \(m\)
\(y\) - vertical position \(ft\) \(m\)
\(R\) - vertical reaction load at bearing point \(lbf\) \(N\)
\(V\) - vertical shear force \(lbf\) \(N\)
\(v\) - vibrational - -
\(\eta \;or\; \mu\) eta , mu viscosity \(lbf-sec \;/\; ft^2\) \(Pa-s\)
\(\eta\) eta viscosity coefficient \(lbf-sec \;/\; ft^2\) \(Pa-s\)
\(\Delta \eta \;or\; \eta_d\) eta viscosity differential \(lbf-sec \;/\; ft^2\) \(Pa-s\)
\(VI\) - viscosity index - -
\(\eta_s \;or\; \mu_s\) eta, mu viscosity of a solution used \(lbf-sec \;/\; ft^2\) \(Pa-s\)
\(\eta\) eta viscous force \(lbf-sec \;/\; ft^2\) \(Pa- s\)
\(e\) - void ratio - -
\(E \;or\; V\) - volt \(volt\) \(volt\)
\(E \;or\; V\) - voltage \(volt\) \(volt\)
\(VR\) - voltage ratio - -
\(V \;or\; \upsilon\) upsilon volume \(in^3 \;or\; ft^3\) \(mm^3 \;or\; m^3\)
\(V_d \;or\; \Delta V\) Delta volume differential \(ft^3\) \(m^3\)
\(\phi\) phi volume fraction - -
\(\theta\) theta volume strain - -
\(\beta\) beta volumetric coefficient of expansion \(1\;/\; ^\circ R\) \(1\;/\; K\)
\(VE\) - volumetric efficiency \(lbm\;/\;in^3\) \(kg\;/\;mm^3\)
\(Q \;or\; V \;or\; \dot {V}\) - volumetric flow rate \(ft^3\;/\;sec\) \(m^3\;/\;s\)
\(B\) - volumetric fraction - -
\(\Delta V\) - volumetric thermal expansion \(ft^3\) \(m^3\)
\(\alpha_v\) alpha volumetric thermal expansion coefficient \(ft^3\) \(m^3\)