scholarly journals Numerical investigation of a new combined energy cycle based on Miller cycle, Organic Rankine cycle, Stirling engine and alkaline fuel cell

2021 ◽  
Vol 7 ◽  
pp. 5406-5419
Author(s):  
Xin Yu ◽  
Chen She ◽  
Farid Gholizadeh ◽  
Yi-Peng Xu
Keyword(s):  
Fuel Cell ◽  
Numerical Investigation ◽  
Organic Rankine Cycle ◽  
Rankine Cycle ◽  
Stirling Engine ◽  
Alkaline Fuel Cell ◽  
Miller Cycle ◽  
Energy Cycle

scholarly journals Modeling and Simulation of a Proton Exchange Membrane Fuel Cell Alongside a Waste Heat Recovery System Based on the Organic Rankine Cycle in MATLAB/SIMULINK Environment

2021 ◽  
Vol 13 (3) ◽  
pp. 1218
Author(s):  
Sharjeel Ashraf Ansari ◽  
Mustafa Khalid ◽  
Khurram Kamal ◽  
Tahir Abdul Hussain Ratlamwala ◽  
Ghulam Hussain ◽  
...  
Keyword(s):  
Fuel Cell ◽  
Waste Heat Recovery ◽  
Proton Exchange Membrane ◽  
Waste Heat ◽  
Organic Rankine Cycle ◽  
Rankine Cycle ◽  
Proton Exchange ◽  
Waste Heat Recovery System ◽  
Recovery System ◽  
Exchange Membrane

The proton exchange membrane fuel cell (PEMFC) is the fastest growing fuel cell technology on the market. Due to their sustainable nature, PEMFCs are widely adopted as a renewable energy resource. Fabricating a PEMFC is a costly process; hence, mathematical modeling and simulations are necessary in order to fully optimize its performance. Alongside this, the feasibility of a waste heat recovery system based on the organic Rankine cycle is also studied and power generation for different operating conditions is presented. The fuel cell produces a power output of 1198 W at a current of 24A. It has 50% efficiency and hence produces an equal amount of waste heat. That waste heat is used to drive an organic Rankine cycle (ORC), which in turn produces an additional 428 W of power at 35% efficiency. The total extracted power hence stands at 1626 W. MATLAB/Simulink R2016a is used for modeling both the fuel cell and the organic Rankine cycle.

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