Optimal design of sorber beds for sorption systems Hesam Bahrehmand 1 and Majid Bahrami 2 Laboratory for Alternative Energy Conversion (LAEC), Mechatronic Systems Engineering, Simon Fraser University www.sfu.ca/~mbahrami 1 Hesam Bahrehmand, [email protected] 2 Majid Bahrami, [email protected] Material properties Thermogravimetric sorption analyzer Transient plane source Sorber bed geometry Operating conditions Graphite flake additive to increase sorbent thermal diffusivity Silica gel/CaCl 2 +PVA 2 2 2 2 , , 2 2 ( ) i i i i i i g Fo Fo 1 1 ) ( ) ( ) ( ) , , ( n nm m nm n Fo X Fo • Run-time=1.5 min on a 3.4 GHz PC • Temperature and water uptake distribution Sorption system performance Optimized sorber bed heat exchanger (OSHEX) Off-the-shelf heat exchanger Gravimetric large pressure jump Analytical model Model validation Effect of graphite flake additive Optimization of SCP & COP