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Formula Symbols - T

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

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T

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 \(^\circ F\) \(C\)  -
\(\large{ \partial T }\) partial temperature rate of change - - -
\(V_{temp}\) - 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 - -  -
\(h_c\) - thermal contact conductance coefficient - - -
\(p\) - 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 \(1 \;/\; ^\circ K\) \(1 \;/\; ^\circ K\)  -
\(\alpha\) alpha thermal expansivity - - -
\(l\) - thermal intensity - \(Wm^{-2}\)  -
\(p\) - thermal power transfer - -  -
\(R\), \(\;R_t\) - 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 \(6.652\;458\;7321\;x\;10^{-29}\;m^2\)
\(T\) - 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 \(sec\) \(s\)  -
\(T\) - time scale - - -
\(T\), \(\;\tau\) 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 \(ft \;/\; sec\) \(m \;/\; s\)  -
\(V_t\) - total volume of soil \(ft^3\) \(m^3\)  
\( W_t\) - total work \(lbf-ft\) \(kW\)  -
\(\dot {t}\) - transfer rate - -  -
\(TU\) - transfer units - -  -
\(KE_t\) - translational kinetic energy  -  - -
\(\gamma\) 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) \(ft\) \(m\)  -
\(T\) - travel \(in\) \(mm\) -
\(\epsilon\) epsilon true strain \(in\;/\;in\) \(m\;/\;m\)  -
\(\sigma\) sigma true stress \(lbf\;/\;in^2\) \(MPa\)  -
\(Pr_t\) - Turbulent Prandtl number dimensionless dimensionless  -
\(2D\) - two-dimension - - -
Symbol Greek Symbol Definition US Metric Value

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