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Title: A comparison of evaporative and liquid cooling methods for fuel cell vehicles
Authors: Fly, Ashley
Thring, R.H.
Keywords: Thermal management
Water balance
Fuel cell vehicle
Heat transfer
Issue Date: 2016
Publisher: © The Authors. Published by Elsevier Ltd on behalf of Hydrogen Energy Publications LLC.
Citation: FLY, A. and THRING, R.H., 2016. A comparison of evaporative and liquid cooling methods for fuel cell vehicles. International Journal of Hydrogen Energy, 41 (32), pp. 14217-14229.
Abstract: Despite having efficiencies higher than internal combustion engines, heat rejection from fuel cells remains challenging due to lower operating temperatures and reduced exhaust heat flow. This work details a full system simulation which is then used to compare a conventional liquid cooled fuel cell system to two types of evaporatively cooled fuel cell systems. Both steady state and transient operation are considered. Results show the radiator frontal area required to achieve thermal and water balance for an evaporatively cooled system with an aluminium condensing radiator is 27% less than a conventional liquid cooled system at 1.25 A/cm2 steady state operation. The primary reason for the reduction is higher heat transfer coefficients in the condensing radiator due to phase change. It is also shown that the liquid water separation efficiency has a significant influence on the required radiator frontal area of the evaporatively cooled system.
Description: This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/)
Sponsor: This work has been funded by the Engineering and Physical Sciences Research Council (EPSRC) under grant number EP/ G037116/1.
Version: Published
DOI: 10.1016/j.ijhydene.2016.06.089
URI: https://dspace.lboro.ac.uk/2134/21933
Publisher Link: http://dx.doi.org/10.1016/j.ijhydene.2016.06.089
ISSN: 0360-3199
Appears in Collections:Published Articles (Aeronautical and Automotive Engineering)

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