Issue 15

gau Th con inp usi a A E X (O con cur typ unt Tem infr A Figure 3 : Sche ge, 6-valve, 7- e CompactR figured with ut, analog ou ng a NI cRIO gema Therm PERIMENT start u degrada °C usin CV) and purg trolled, using ves were coll ical steam re il the lowest perature di ared camera Figure 4 : matic represen solenoid valve IO hardware modules de tput for mas 9201 and N ovison 570 in AL PROCED p and shutd tion. During g an externa ed with nitro an on/off a ected operat forming refo stack cell v stribution wa was pointing Polarization c tation of the t , 8-hydrogen c , consisting dicated to sp s flow contro I cRIO 920 frared came URE own proced the start-up l hot air blow gen, on both lgorithm. Th ing the stack rmate: H 2 56 oltage reach s observed o the top side urves and pow Stack a [V] N. Zuli est bed (1-air ylinder, 9-pre of the NI cR ecific tasks: ls and digita 6 analog inpu ra. ure were im procedure th er. During t anode and c e control sys at 160°C wit .35%, CO 0. about 0.3 V perating the of the stack. er density var nd single cell 0,3 0,4 0,5 0,6 0,7 0,8 0,9 1,0 0 200 Single fuel 25 cells sta Single fuel 25 cells sta ani, Frattura ed filter, 2-air com ssure regulator IO 9004 rea analog input l output for t t modules. S plemented in e fuel cell sta he shut-down athode sides tem acted on h two differe 5%, CO 2 43. . Single cel stack with pu iations with lo mean tempera 400 [mA/cm 2 ] cell - voltage ck - mean cell voltage cell - power density ck - mean cell voltage Integrità Struttu pressor, 3-flo , 10-nitrogen l time contr for voltage emperature c tack tempera order to a ck is heated procedure, . At normal o the hot air nt fuels: pur 15 %. Stack ls voltages w re hydrogen ad for the 25 ture: 160°C. F 600 800 0 50 10 15 20 25 30 35 40 rale, 15 (2011) wmeter, 4-pre cylinder, 11-th oller and the and current ontrol. Singl ture distribu void water c up from roo the stack wa peration, the blower or on e hydrogen a voltage was ere measure at 400 mA/ cells stack and uel: H 2 . 0 0 0 0 0 0 0 [mW/cm 2 ] 29-34; DOI: 10 ssure transmit ermocouple, 1 NI cRIO 9 measurement e cell voltage tion has been ondensation m temperatu s set in Open stack mean the cooling nd a gas mix measured sta d at 200 an cm 2 current d for a single fu .3221/IGF-ESIS.1 ter, 5- pressur 2-electronic lo 104 chassis, s, thermocou s were measu measured u and membr re to at least Circuit Vol temperature fan. Polariza ture simulatin rting from O d 400 mA/c ensity load. el cel l [8] . 5.04 31 e ad). was ple red sing ane 120 tage was tion g a CV m 2 . The