Optimization of geometric parameters of ejector for fuel cell system based on multi-objective optimization method

M Hou, F Chen, Y Pei - International Journal of Green Energy, 2024 - Taylor & Francis
In this study, the multi-objective orthogonal experiment is employed to optimize the
geometric parameters of the ejector. The optimization objective is determined by applying …

Experimental analysis and physics-informed optimization algorithm for ejector in fuel cells based on boundary-breaking and dimension reduction

C Li, J Fu, Y Huang, X Sun - Renewable Energy, 2024 - Elsevier
As an important auxiliary component in renewable devices such as fuel cells and solar
cooling systems, ejectors have demonstrated excellent potential due to their parasitic power …

Multi-response optimization of ejector for proton exchange membrane fuel cell anode systems by the response surface methodology and desirability function …

M Hou, F Chen, J Jiao, F Pei, Y Li… - International Journal of …, 2024 - Taylor & Francis
In a fuel cell system, the performance of the ejector is limited when it operates under off-
design conditions. To improve the performance of the ejector under all operating conditions …

Theoretical studies on wide-operating-range ejector based on operating conditions and multi-parameter coupling effect in proton exchange membrane fuel cell system

J Zou, J Li, L Zhang, P Ming - Applied Thermal Engineering, 2024 - Elsevier
When the ejector in a fuel cell system operates under off-design conditions, its performance
will significantly decrease. To improve the performance of the ejector under all operating …

Optimization of geometric parameters for design a high-performance ejector in the proton exchange membrane fuel cell system using artificial neural network and …

A Maghsoodi, E Afshari, H Ahmadikia - Applied Thermal Engineering, 2014 - Elsevier
In this study, a CFD model is adopted for investigating the effects of the four important ejector
geometry parameters: the primary nozzle exit position (NXP), the mixing tube length (L m) …

Numerical studies on ejector in proton exchange membrane fuel cell system with anodic gas state parameters as design boundary

T Ma, M Cong, Y Meng, K Wang, D Zhu… - International Journal of …, 2021 - Elsevier
A comprehensive entrainment performance evaluation system of the ejector was built
including four indexes. An ejector's Computational Fluid Dynamics (CFD) model was …

Numerical studies on wide-operating-range ejector based on anodic pressure drop characteristics in proton exchange membrane fuel cell system

P Pei, P Ren, Y Li, Z Wu, D Chen, S Huang, X Jia - Applied Energy, 2019 - Elsevier
The applicable operating range of the ejector is limited in the proton exchange membrane
fuel cell system, although the ejector recirculates the unused hydrogen reliably without …

Optimization of hydrogen ejector structure in proton exchange membrane fuel cell system under wide operating conditions

A Wu, Z Hao, G He, D Cai - Energy Sources, Part A: Recovery …, 2024 - Taylor & Francis
Considering the characteristics of the hydrogen ejector for proton exchange membrane fuel
cell system used in vehicles, with the aim of expanding the operating range, the ejector …

Performance evaluation of ejector with different secondary flow directions and geometric properties for solid oxide fuel cell applications

O Genc, B Timurkutluk, S Toros - Journal of Power Sources, 2019 - Elsevier
The mixing chamber length, secondary flow tube inclination angle, diffuser length and
diverging angle as well as the direction of secondary flow on the ejector performance are …

Multi-round optimization of an ejector with different mixing chamber geometries at various liquid volume fractions of inlet fluids

J Yan, H Wen - Applied Thermal Engineering, 2022 - Elsevier
The performance of the ejector relies on the geometrical parameters and the fluid phase
state. Although the optimization of geometries of the ejector has been conducted in previous …