Formula Symbols - T

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

Formula Symbols - T

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 SymbolDefinitionUSMetricValue
$$a_t$$ - tangential acceleration $$ft\;/\;sec^2$$ $$m\;/\;s^2$$  -
$$F_t$$ - tangential force $$ft\;/\;sec^2$$ $$m\;/\;s^2$$  -
$$v_t$$ - tangential velocity $$deg\;/\;sec$$ $$rad\;/\;s$$  -
$$Ta$$ - Taylor number dimensionless dimensionless  -
$$T$$ - temperature $$^\circ F$$ $$C$$  -
$$\alpha$$, $$\;\beta$$ alpha, beta temperature coefficient $$1 \;/\; ^\circ R$$ $$1 \;/\; K$$  -
$$y$$ - temperature derating factor - -  -
$$T_d$$, $$\;\Delta T$$, $$\;TD$$ Delta temperature differential $$^\circ F$$ $$C$$  -
$$\nabla T$$ nabla temperature gradient - $$Km^{-1}$$  -
$$T$$ - temperature of an ideal gas $$^\circ F$$ $$C$$  -
$$V_{temp}$$ - temporary specific volume vatiable $$ft^3\;/\;lbm$$ $$m^3\;/\;kg$$  -
$$T$$ - tensile force $$lb \;or\; kip$$ $$N \;or\; kN$$  -
$$T_{sat}$$ - temperature saturation point $$^\circ F$$ $$C$$  -
$$s$$ - tensile strength $$psi$$ $$kg\;/\;cm^2$$  -
$$\sigma$$ sigma tensile stress - -  -
$$T$$ - tension $$lbf$$ $$N$$  -
$$\sigma$$ sigma tension coefficient - -  -
$$F_t$$ - tension force - -  -
$$v_t$$ - terminal velocity - -  -
$$C_t$$ - thermal capacitance $$Btu\;/\; ^\circ F$$ $$J\;/\; K$$  -
$$C$$ - thermal conductance of air space $$Btu\;/\;ft^2-hr - ^\circ F$$ $$W\;/\;m^2 - C$$  -
$$Q$$ - thermal conduction - -  -
$$p$$ - thermal conduction rate - -  -
$$K$$, $$\;k$$ - thermal conductivity $$Btu\;/\;hr-ft^2- ^\circ F$$ $$W\;/\;m^2 - K$$  -
$$\lambda$$ lambda thermal conductivity coefficient $$Btu-ft\;/\;hr-ft^2-^\circ F$$ $$W\;/\;m - C$$  -
$$k_t$$ - thermal conductivity constant $$Btu\;/\;hr-ft^2- ^\circ F$$ $$W\;/\;m^2 - K$$  -
$$\lambda_{ik}$$ lambda thermal conductivity tensor - -  -
$$p$$ - thermal current - -  -
$$D_{td}$$ - thermal diffusion coefficient - -  -
$$\alpha_t$$ alpha thermal diffusion factor - -  -
$$k_t$$ - thermal diffusion ratio - -  -
$$\alpha$$ alpha thermal diffusivity $$ft^2\;/\;sec$$ $$m^2 \;/\;s$$  -
$$Q$$ - thermal energy $$Btu$$ $$W$$  -
$$\alpha$$, $$\;\alpha_c$$ alpha thermal expansion coefficient $$1 \;/\; ^\circ K$$ $$1 \;/\; ^\circ K$$  -
$$l$$ - thermal intensity - $$Wm^{-2}$$  -
$$p$$ - thermal power transfer - -  -
$$R_t$$ - thermal resistance $$hr-^\circ F\;/\;Btu$$ $$K\;/\;W$$  -
$$\epsilon_t$$ epsilon thermal strain - -  -
$$\sigma_T$$ sigma thermal stress - -  -
$$\tau$$ tau thermal time constant $$hr$$ $$s$$  -
$$T$$, $$\;\tau$$ tau thermodynamic temperature - -  -
$$d$$, $$\;t$$, $$\;\delta$$ delta thickness $$in \;or\; ft$$ $$mm \;or\; m$$  -
$$t_f$$ - thickness of the flange of a steel beam cross-section $$in$$ $$mm$$  -
$$t_w$$ - thickness of the web of a steel beam cross-section $$in$$ $$mm$$  -
$$\mu$$ mu Thomson coefficient - -  -
$$\sigma_e$$ sigma Thomson cross-section constant constant $$6.652\;458\;7321(60)\;x\;10^{-29}\;m^2$$
$$T$$ - throat size of a weld $$in$$ $$mm$$  -
$$F$$ - thrust $$lbf$$ $$N$$  -
$$F$$ - thrust force $$lbf$$ $$N$$  -
$$t$$ - time $$sec$$ $$s$$  -
$$\tau$$ tau time constant $$sec$$ $$s$$  -
$$dt$$, $$\;\Delta t$$ Delta time differential $$sec$$ $$s$$  -
$$t_f$$ - time of flight $$sec$$ $$s$$  -
$$\Delta t$$ Delta time interval $$sec$$ $$s$$  -
$$t_p$$ - time of observation $$sec$$ $$s$$  -
$$t_c$$ - time of relaxation $$sec$$ $$s$$  -
$$T$$, $$\;\tau$$ tau torque $$lbf-ft$$ $$N-m$$  -
$$T_s$$ - torque speed $$lbf-ft \;/\; sec$$ $$N-m \;/\; s$$  -
$$T$$ - torsion $$lbf-ft \;/\; sec$$ $$N-m \;/\; s$$  -
$$K$$ Kappa torsion coefficient - $$N-m\;/\;rad$$  -
$$J$$ - torsional constant $$deg$$ $$rad$$  -
$$K$$ - tortional stiffness constant - -  -
$$k_r$$ - torsional spring constant $$lbf-ft\;/\;rad$$ $$N-m\;/\;rad$$  -
$$n$$ - total - -  -
$$J$$, $$\;j_i$$ - total angular momentum - -  -
$$\omega_t$$ omega total angular velocity $$ft \;/\; sec$$ $$rad \;/\; s$$  -
$$P$$ - total concentrated load $$lb$$ $$N$$  -
$$h_d$$   total discharge head $$ft$$ $$m$$  -
$$TDH$$ - total dissolved head $$ft$$ $$m$$  -
$$TDS$$ - total dissolved solids $$ppm$$ $$mg\;/\;L$$  -
$$h_t$$ - total head $$ft$$ $$m$$  -
$$q_t$$   total heat $$Btu$$ $$kJ$$  -
$$W$$ - total load from a uniform distribution $$lb$$ $$N$$  -
$$p_t$$ - total pressure $$in\; wg$$ $$Pa$$  -
$$T_s$$ - total stagnation temperature $$^\circ F$$ $$C$$  -
$$U$$ - total strain energy - -  -
$$h_s$$   total suction head $$ft$$ $$m$$  -
$$T$$ - total term - -  -
$$t_t$$ - total time $$sec$$ $$s$$  -
$$V_t$$ - total velocity $$ft \;/\; sec$$ $$m \;/\; s$$  -
$$W_t$$ - total work $$lbf-ft$$ $$kW$$  -
$$\dot {t}$$ - transfer rate - -  -
$$TU$$ - transfer units - -  -
$$\gamma$$ gamma transmissivity - -  -
$$T$$, $$\;\tau$$ tau transmittance dimensionless dimensionless  -
$$T$$ - transmitted torque $$lbf-ft$$ $$N-m$$  -
$$\tau$$ tau transmission coefficient - -  -
$$\Delta x$$ Delta transverse displacement - -  -
$$\epsilon_t$$ epsilon transverse strain (laterial strain) $$ft$$ $$m$$  -
$$\epsilon$$ epsilon true strain $$in\;/\;in$$ $$m\;/\;m$$  -
$$\sigma$$ sigma true stress $$lbf\;/\;in^2$$ $$MPa$$  -
$$Pr_t$$ - Turbulent Prandtl number dimensionless dimensionless  -