Modeling a Thermochemical Reactor of a Solar Refrigerator by BaCl₂-NH₃ Sorption Using Artificial Neural Networks and Mathematical Symmetry Groups

Figure 7

Testing the neural network (correlation coefficient r = 0.9957): (a) temperature near the reactor wall (Tr3); correlation coefficient r = 0.9996, (b) temperature at the midpoint between the centre and the reactor wall (Tr2); correlation coefficient r = 0.9924, (c) temperature at the reactor’s centre (Tr1); correlation coefficient r = 0.9953, (d) ammonia produced; desorption volume (Vg); correlation coefficient r = 0.99, and (e) pressure into the reactor (Pg); correlation coefficient r = 0.9503.

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