Fig. 10. Effect of temperatures of condenser on discharge characteristics. tional parameters were obtained. These are illustrated as a function of discharge time in Fig. 8. (1) The terminal voltage of the cell stack follows the variation of load current very quickly. (2) The operating pressure of gaseous hydrogen is not affected by the variation of load current, but it is noticed that the operating pressure of gaseous hydrogen vibrates slightly and rises little by little with discharge time. (3) It is noticed that the operating pressure of gaseous oxygen falls when the load current rises, and conversely the operating pressure of gaseous oxygen rises when the load current is lowered. But it is judged that the range of change of the operating pressure is approximately 0.01 MPa, and such change of pressure of gaseous oxygen has no affect on other parameters. (4) Although the circulating flow rate of gaseous hydrogen vibrates, the circulating flow rate of gaseous hydrogen is not affected by the variation of load current, basically, and is almost constant. (5) Although the feed rate of gaseous hydrogen vibrates within a small range, the approximate variation of feed rate of gaseous hydrogen follows the change of load current. The feed rate of gaseous hydrogen agrees with the theoretical value. (6) Although the variation of feed rate of gaseous oxygen follows the change of load current and the feed rate of gaseous oxygen increases with discharge time, the
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