(6.6.2c)
The nonuniformities in P and T are encountered only at the junction between the vessels; accordingly, ∇P and ∇T may be replaced by the pressure and temperature differences at the junction, ΔP and ΔT, respectively; the small thickness of the connecting unit may be absorbed in the coefficients L.
Steady-State Conditions
Next, we impose a variety of steady-state conditions on Eqs. (6.6.2) to endow the coefficients with physical interpretations, and to arrive at a variety of predictions.
Suppose first that the temperature is maintained at a uniform value. The sole driving force is now the pressure difference between the vessels. Setting ...
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