# Gas temperature

Symbol
$\theta_{gas}$
Unit
°C
Formulae
 $T_{gas}-\theta_{abs}$ Absolute temperature $\frac{\theta_c}{2}+\frac{\theta_{encl}}{2}$ PAC/GIL gas compartment $\frac{h_{conv,c} \pi D_c \theta_c+h_{conv,encl} \pi D_{comp} \theta_{encl}}{h_{conv,encl} \pi D_{comp}-h_{conv,c} \pi D_c}$ PAC/GIL gas compartment $\frac{\theta_e}{2}+\frac{\theta_{di}}{2}$ Riser closed at both ends (Anders) $\theta_{di}$ Riser closed at both ends (Hartlein & Black) $\frac{\theta_e}{2}+\frac{\theta_{air}}{2}$ Riser open at both ends, object to gas (Anders) $\frac{\theta_{di}}{2}+\frac{\theta_{air}}{2}$ Riser open at both ends, gas to duct (Anders) $\theta_{air}$ Riser open at both ends (Hartlein & Black) $\frac{\theta_e+\theta_{di}+2\theta_{air}}{4}$ Riser open at top and closed at bottom, object to gas (Anders) $\frac{\theta_e+\theta_{di}+\theta_{air}}{3}$ Riser open at top and closed at bottom, object to gas (Hartlein & Black) $\theta_{di}$ Riser open at top and closed at bottom, gas to duct (Anders) $\theta_{dm}$ Riser open at top and closed at bottom, gas to duct (Hartlein & Black) $\theta_{air}$ Air around riser
Related
$D_c$
$D_{comp}$
$h_{conv,c}$
$h_{conv,encl}$
$T_{gas}$
$\theta_{abs}$
$\theta_{air}$
$\theta_c$
$\theta_{di}$
$\theta_{dm}$
$\theta_e$
$\theta_{encl}$
Used in
$\alpha_{gas}$
$\beta_{gas}$
$c_{p,gas}$
$\eta_{gas}$
$\mathrm{Gr}_{gd}$
$k_{air}$
$k_{gas}$
$\mathrm{Pr}_{gas}$
$\rho_{gas}$
Gas density [kg/m$^3$]
$T_{gas}$
$\theta_{film}$
$W_{conv,ce}$
$W_{conv,gd}$
$W_{conv,og}$