Simulation, Parameter Estimation and Optimization of an Industrial-Scale Evaporation System - Simulation and Modeling Methodologies, Technologies and Application - page 73

380

370

360

350

340

330

320

310

300

0 1000 2000 3000 4000 5000

t [s]

(a) Pressure inside the evaporator for the hy-
brid model (solid) and the smooth model (tri-
angles).

(b) Temperature inside the evaporator for the
hybrid model (solid) and the smooth model
(triangles).

1

5

4

0.8

3

0.6

2

0.4

1

0.2

0

0 −1

0 1000 2000 3000 4000 5000

0 1000 2000 3000 4000 5000

t [s]

t [s]

(c) Mass fractions of the volatile components
B (black, hybrid model: solid, smooth model:
triangles) and C (grey, hybrid model: dashed,
smooth model: triangles) in the vapor.

(d) Vapor flow from the evaporator for the hy-
brid model (solid) and the smooth model (tri-
angles).

Fig. 2. Simulation results of the hybrid and the smooth model

Fig. 3. Mass fraction ξ C from simulations with several values of the smoothing parameter. Double
headed arrows show the width of the transition region as estimated by Eq. 10.