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rahimi asbooie, M., alizade, E., rahgoshai, M., khorshidian, M., masroori saAdat, H. (2019). Improving Performance and Decreasing of Cooling System Volume in Low Temperature PEM Fuel Cell Using Nanofluid. Electronic and Cyber Defense, 15(2), 1-16.
mazaher rahimi asbooie; ebrahim alizade; majid rahgoshai; majid khorshidian; hosein masroori saAdat. "Improving Performance and Decreasing of Cooling System Volume in Low Temperature PEM Fuel Cell Using Nanofluid". Electronic and Cyber Defense, 15, 2, 2019, 1-16.
rahimi asbooie, M., alizade, E., rahgoshai, M., khorshidian, M., masroori saAdat, H. (2019). 'Improving Performance and Decreasing of Cooling System Volume in Low Temperature PEM Fuel Cell Using Nanofluid', Electronic and Cyber Defense, 15(2), pp. 1-16.
rahimi asbooie, M., alizade, E., rahgoshai, M., khorshidian, M., masroori saAdat, H. Improving Performance and Decreasing of Cooling System Volume in Low Temperature PEM Fuel Cell Using Nanofluid. Electronic and Cyber Defense, 2019; 15(2): 1-16.

Improving Performance and Decreasing of Cooling System Volume in Low Temperature PEM Fuel Cell Using Nanofluid

مکانیک هوافضا
Article 1, Volume 15, Issue 2 - Serial Number 56, September 2020, Pages 1-16    PDF (1.12 M)
Authors
mazaher rahimi asbooie; ebrahim alizade* ; majid rahgoshai; majid khorshidian; hosein masroori saAdat
malek ashtar
Receive Date: 28 October 2017,  Revise Date: 20 February 2019,  Accept Date: 19 September 2018 
Abstract
Correct heat management is one of the major problems in fuel cells that should be somehow solved. The performance of the cell at high temperatures causes the membranes to dry, increasing ohmic resistance of cell, shrinking and rupture of membranes and at low temperatures decrease the reaction rate, voltage, efficiency, output power, as well as condensation of water and occurrence of flooding at the cathode side. Increasing power in fuel cells associated with increasing the number of cells in a fuel cell stack. By increasing power, high flow rate of the cooling fluid is required to dissipate more generated heat. Increasing cooling flow rate increases the volume of the cooling system, parasitic power and reduces the efficiency of the stack. In this paper, using of nanofluids as an approach to solving this problem is presented and its effect on reducing the parasitic power is investigated. The results showed with using mixture of water and 2% volume fraction of Al2O3, at Re=6000 the temperature difference of all parts of flow field compare to inlet is smaller than 5℃. At the case that base fluid is used, this goal achieved at Re=9000.
Keywords
Cooling flow field; Nanofluid; Heat management; Cooling fluid; Convective heat transfer coefficient
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