Engineering
Engineering, 28.05.2020 23:05, brandonm39

A fuel cell stack is made from 40 cells of the type described and tested in the previous problem. The fuel cell stack operating point is at i=1000 mA/cm2 . The fuel cell needs 16W to operate and the fuel loss due to leakage is 2%. a. What are the current, potential and power of the fuel cell stack at this operating point? b. What is the overall electrical system efficiency based on fuel consumption?

answer
Answers: 2

Other questions on the subject: Engineering

image
Engineering, 04.07.2019 18:10, 19deleonl
Coiled springs ought to be very strong and stiff. si3n4 is a strong, stiff material. would you select this material for a spring? explain.
Answers: 2
image
Engineering, 04.07.2019 18:10, siri5645
At 12 noon, the count in a bacteria culture was 400; at 4: 00 pm the count was 1200 let p(t) denote the bacteria cou population growth law. find: (a) an expression for the bacteria count at any time t (b) the bacteria count at 10 am. (c) the time required for the bacteria count to reach 1800.
Answers: 1
image
Engineering, 04.07.2019 18:10, redrosesxx
Water at 55c flows across a flat plate whose surface temperature is held constant at 95c. if the temperature gradient at the plate's surface for a given value of x is 18 c/mm, find a) local heat transfer coefficient. b) heat flux
Answers: 3
image
Engineering, 04.07.2019 18:10, ijohnh14
Shafts are machine elements that are used to a) carry axial loads b) direct shear loads c) transmit power d) rotate at constant speed e) none of the above circular and square shafts subjected to the same torque under the same circum behave a) the same way b) almost the same way
Answers: 2
Do you know the correct answer?
A fuel cell stack is made from 40 cells of the type described and tested in the previous problem. Th...

Questions in other subjects:

Konu
Mathematics, 10.06.2021 22:10
Konu
Mathematics, 10.06.2021 22:10
Konu
Chemistry, 10.06.2021 22:10