Journal of Food, Agriculture and Environment

The influence of the mass flow rate for thermal dynamics on PEM-FC sustainable energy for environmental protection

Author(s):

Bin Li *, Bing Qi, Yi Sun, Jun Lu, Gangjun Gong

Recieved Date: 2013-05-30, Accepted Date: 2013-09-27

Abstract:

The PEM-FC is commonly regarded as one of the best sustainable clean resource and can be used for further micro-grid demand side management so that long distance power transmissions can be avoid through cogeneration system. In this paper, a novel finite difference numeric method that based on the multi-films theorem is proposed to solve the transient thermal diffusion analysis problem. This work provides a detail mathematic model for PEM-FC multi-layer structure, which comprises a flow channel, gas diffusion layer, catalyst layer and proton exchange membrane with anode and cathode plate, respectively. It is concluded that initial temperatures of the thermal source falls are experiencing gradually faster while the exposed side is gradually slower, oppositely. The performance of mass flow rate for air inlet has different evolution trend with the air outlet temperature, and it will also be influenced by the inlet hydrogen flow rate. The thermal dynamic action is solved with numeric techniques to present PEM-FC conduction analysis by subdividing the two-dimensional plate into several smaller regions. The results indicated that the propose algorithm can obtain the thermal distribution as expected, and the heat distribution diagram of the polymer and aluminum fuel cell plate can be obtained by means of continuous extension so as to guarantee that the precision is kept in the same level for a specified time span.

Keywords:

Proton exchange membrane, fuel cell, thermal diffusion, heat transfer, sustainable energy

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Journal: Journal of Food, Agriculture and Environment
Year: 2013
Volume: 11
Issue: 3&4
Category: Environment
Pages: 2481-2487

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