Zhan Xu

ORCID: 0000-0001-9558-0930
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About
Contact & Profiles
Research Areas
  • Electric and Hybrid Vehicle Technologies
  • Hybrid Renewable Energy Systems
  • Spacecraft and Cryogenic Technologies
  • Hydrogen Storage and Materials
  • Maritime Transport Emissions and Efficiency
  • Hydraulic and Pneumatic Systems
  • Advanced Battery Technologies Research
  • Superconducting Materials and Applications
  • Fuel Cells and Related Materials
  • Electric Vehicles and Infrastructure
  • Fiber-reinforced polymer composites
  • Iterative Learning Control Systems
  • Advancements in Solid Oxide Fuel Cells
  • Rocket and propulsion systems research
  • Brake Systems and Friction Analysis
  • Thermodynamic and Exergetic Analyses of Power and Cooling Systems
  • Refrigeration and Air Conditioning Technologies
  • Advanced Thermodynamic Systems and Engines
  • Color perception and design
  • Nuclear Materials and Properties
  • Underwater Vehicles and Communication Systems
  • Vehicle Dynamics and Control Systems
  • Vehicle emissions and performance
  • Design Education and Practice
  • Engineering Applied Research

University of Birmingham
2022-2025

First Automotive Works (China)
2021-2023

Southeast University
2020-2021

Tsinghua University
2012

All diesel-only trains in the UK will be phased out by 2040. Hydrogen and ammonia emerge as alternative zero-carbon fuel for greener railway. Solid Oxide Fuel Cells (SOFCs) provide an prime mover option, which efficiently convert fuels into electricity without emitting nitrogen oxides (NOx), unlike traditional engines. Superior to Proton Exchange Membrane (PEMFCs) efficiency, SOFCs fulfil MW-scale power needs can use directly. This study investigates innovative strategies integrating hybrid...

10.1016/j.ijhydene.2024.05.347 article EN cc-by International Journal of Hydrogen Energy 2024-05-31

All diesel-only trains in the UK will be removed from services by 2040. High volumetric density, rapid refuelling ability, and sophisticated experience infrastructure logistics make ammonia a perfect hydrogen carrying fuel for rail freight, which urgently requires an economically viable solution. This study conducted novel techno-economic of ammonia-fuelled cell powertrains to compared with current diesel engine-based system emerging direct hydrogen-fuelled system. The results demonstrate...

10.1016/j.trd.2023.103739 article EN cc-by Transportation Research Part D Transport and Environment 2023-04-21

Fuel cell heavy trucks present a pivotal means for road transportation decarbonization. Cryo-compressed hydrogen (CcH2) emerges as promising solution storage due to its high energy capacity and low boil-off, making it well-suited on-board storage. However, fluctuations in temperature pressure can lead challenges such inadequate flow during the supply process. To ensure efficient stable supply, supplementary heat must be integrated into system design. This work investigates dynamics of...

10.1049/icp.2024.4508 article EN IET conference proceedings. 2025-03-01

The new four-dimensional geometry whose Killing vectors span the Poincaré algebra is presented and its structure analyzed. can be regarded as Poincaré-invariant solution of degenerate extension vacuum Einstein field equations with a negative cosmological constant provides static spacetime Lobachevsky space. motion free particles in discussed.

10.1088/0256-307x/29/4/040303 article EN Chinese Physics Letters 2012-04-01

Abstract Based on Hertz contact theory and EHL, the model of elliptic elastohydrodynamic lubrication considering load, speed, roughness, thermal effect, shear-thinning effect non-Newtonian fluids is established. The variation trend oil film pressure, thickness, temperature with entrainment velocity, slide-roll ratio analyzed. Then, several states characteristics fluid are compared. Compared smooth surface, roughness when RMS 0.15 μm increases maximum pressure ( P max ) by 8.34%, T 7.18%,...

10.1088/1742-6596/2587/1/012091 article EN Journal of Physics Conference Series 2023-09-01

On-demand four-wheel-drive vehicles have apparent advantages in power performance, stability, and manufacturing costs. The transfer case clutch is the core component of on-demand vehicles. torque significant for control while not easy to measure or calculate. Thus, this aticle aims estimate torque. First, constructs a model vehicle simulation. Second, system longitudinal established an extended Kalman filter based unknown input observer designed. Third, effectiveness validated by simulation...

10.1109/tvt.2022.3206216 article EN IEEE Transactions on Vehicular Technology 2022-09-13

The electronic controlled multi-disk wet clutch transfer case is used in the on-demand 4-wheel-drive(4WD) vehicle. temperature an important status of because friction characteristic would change with temperature, and may be damaged at extremely high temperatures. However, there no sensor due to limitation manufacturing cost. Therefore, this paper proposes a model-based estimation method verifies effectiveness by bench experiment. First, heat generation model established, second, increment...

10.1016/j.ifacol.2021.10.165 article EN IFAC-PapersOnLine 2021-01-01

10.4271/2009-01-2908 article EN SAE technical papers on CD-ROM/SAE technical paper series 2009-10-06

To extend the range and enhance delivery capacity for railway hydrogen-powered vehicles, research is being conducted on an sLH2-fuelled hybrid train, particularly its energy management strategy corresponding to newly applied hydrogen. Firstly, a train simulator established predict motion power consumption given route train. Subsequently, onboard sLH2 supply system implemented, which ensures comprehensive utilization. This incorporates reutilization of waste heat generated by fuel cell...

10.2139/ssrn.4578282 preprint EN 2023-01-01
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