Question

Figure 5.2 12 kW fuel cell used on the Space Shuttle Orbiter. This unit weighs 120 kg, and measures approximately 36x38x114 cm. The nearer part is the control system. pumps etc, and the stack of 32 cells in series is under the white cover. Each cell operates at about 0.875 volts. (Photograph by kind permission of Space shuttle orbiter Puel celamational Space shuttle orbiter

With Figure 5.2 A 12-kW fuel cell used on the Space Shuttle Orbiter. This unit weighs 120kg and measures approximately 36×38×114cm. The nearer part is the control system, pumps, and so on, and the stack of 32 cells in series under the white cover. Each cell operates at about 0.875V. (Photograph by kind permission of International Fuel Cells.)

Calculate the power density and specific power of the Shuttle Orbiter fuel cell shown on page 124 in Figure 5.2.

Answer 1

PAGE power- Sol al fuel-cell - -12, k W )2.0 K Dimension Votum Pawer densyPowen Volume 122 03 w 26x38x114 X10-6rjs 769 x 101 w m3 oweん 2x 103 w (20 OO W