Formula Symbols - H

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
\(Hg\) - Hagen number dimensionless number dimensionless number
\(T_{\frac{1}{2}} \;or\; \tau_{\frac{1}{2}}\) tau half life - -
\(A_h \;or\; R_h\) - Hall coefficient - -
\(H\) - Hamiltonian function - -
\(Ha\) - Hartmann number dimensionless number dimensionless number
\(Ha\) - Hatta number dimensionless number dimensionless number
\(C\) - Hazen-Williams coefficient - -
\(h\) - head \(ft\) \(m\)
\(h_f\) - head fractional resistance - -
\(HGV\) - head gasket volume \(in^3\) \(cc^3\)
\(h_l\) - head loss \(ft\) \(m\)
\(h_f\) - head loss due to ftiction \(ft\) \(m\)
\(q\) - heat \(ft-lbf\) \(J\)
\(q\) - heat \(Btu\) \(kJ\)
\(q\) - heat \(HP-hr\) \(MJ\)
\(C \;or\; c_p\) - heat capacity \(Btu\;/\; ^\circ F\) \(kJ\;/\;K\)
\(Q\) - heat conduction - -
\(C_p\) - heat constant pressure - -
\(C_v\) - heat constant volume - -
\(q\) - heat content - -
\(Q\) - heat convection - -
\(\Delta Q\) - heat differential - -
\(Q \;or\; q\) - heat enargy - \(J\)
\(Q \;or\; Q_f \;or\; \Phi\) Phi heat flow rate \(Btu\;/\;sec\) \(kW\)
\(Q"\) - heat flux - -
\(HGV\) - heat gasket volume \(in^3\) \(cc^3\)
\(G\) - heat generation rate \(Btu\;/\;hr-ft^3\) \(W\;/\;m^3\)
\(q\) - heat loss \(Btu\;/\;lbm\) \(kJ\;/\;kg\)
\(q\) - heat per unit mass \(Btu\;/\;lbm\) \(kJ\;/\;kg\)
\(Q \;or\; \phi\) phi heat radiation - -
\(Q\) - heat transfer \(Btu\;/\;hr\) \(W\)
\(Q_c\) - heat transfer by conduction - -
\(Q_c\) - heat transfer by convection - -
\(Q_r\) - heat transfer by radiation - -
\(h \;or\; h_c\) - heat transfer coefficient \(Btu\;/\;hr-ft^2-^\circ F\) \(W\;/\;m^2 - K\)
\(Q_t\) - heat transfer rate - \(cm^2\;/\;s\)
\(Q\) - heat transfer to a system - -
\(HV\) - heating value \(Btu\;/\;lbm\) \(kJ\;/\;kg\)
\(h\) - height \(in \;or\; ft\) \(mm \;or\; m\)
\(h\) - height of fluid column \(in \;or\; ft\) \(mm \;or\; m\)
\(A\) - Helmholtz function - -
\(k_H\) - Henry's law constant - -
\(HHV\) - higher heating value \(Btu\;/\;lbm\) \(kJ\;/\;kg\)
\(T_h\)   higher temperature \(Btu\;/\;lbm\) \(kJ\;/\;kg\)
\(n \;or\; n_n\) - hole number density - -
\(H\) - horizontal cable force \(lbf\) \(N\)
\(x\) - horizontal distance \(ft\) \(m\)
\(x\) - horizontal position \(ft\) \(m\)
\(H\) - horizontal reaction load at bearing load \(lbf\) \(N\)
\(HP\) - horsepower \(hp\) -
\(He\) - Henry's law constant \(l\;/\;atm\) \(l\;/\;atm\)
\(HWD\) - hot well depression \(^\circ F\) \(^\circ C\)
\(\omega\) omega humidity ratio \(lbm\;/\;lbm\) \(kg\;/\;kg\)
\(k\) - hydraulic conductivity \(ft\;/\;sec\) \(m\;/\;sec\)
\(d_h\) - hydraulic diameter \(ft\) \(m\)
\(i\) - hydraulic gradient dimensionless number dimensionless number
\(r_h\) - hydraulic radius \(ft\) \(m\)
\(HP\) - hydrostatic pressure \(lb\;/\;in^2 \;or\; psi\) \(Pa\)
\(HDS\) - hydrostatic stress \(lb\;/\;in^2 \;or\; psi\) \(Pa\)
\(F\) - hyperfine - -