Xumin Zhao

ORCID: 0000-0003-3073-1210
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About
Contact & Profiles
Research Areas
  • Advanced Combustion Engine Technologies
  • Combustion and flame dynamics
  • Biodiesel Production and Applications
  • Refrigeration and Air Conditioning Technologies
  • Turbomachinery Performance and Optimization
  • Industrial Technology and Control Systems
  • Catalytic Processes in Materials Science
  • Heat transfer and supercritical fluids
  • Metal Alloys Wear and Properties
  • Microstructure and Mechanical Properties of Steels
  • High-Voltage Power Transmission Systems
  • Aluminum Alloys Composites Properties
  • Advanced Sensor and Control Systems
  • Thermodynamic and Exergetic Analyses of Power and Cooling Systems
  • Magnetic Bearings and Levitation Dynamics
  • Rocket and propulsion systems research
  • Advanced Computational Techniques and Applications
  • Catalysis and Oxidation Reactions
  • Electric Motor Design and Analysis
  • Video Surveillance and Tracking Methods
  • Human Mobility and Location-Based Analysis
  • Engine and Fuel Emissions
  • Urban Transport and Accessibility
  • Power Systems and Technologies
  • High Temperature Alloys and Creep

Academy of Military Transportation
2022-2025

Zhejiang Yuexiu University
2024-2025

Yangon University of Economics
2025

Philippine Christian University
2024

Gree (China)
2022

Tianjin University
2018-2021

Jilin University
2017-2018

State Key Laboratory of Automotive Simulation and Control
2018

Fuzhou University
2011

Baoding University
2004

Biodiesel has a higher oxygen content and cetane number, which can compensate for the intake deficiency in diesel engines plateau environment to certain extent. However, decreased air density makes biodiesel fuel spray atomization evaporation more difficult due its kinematic viscosity, reducing quality of air-fuel mixture. The investigations this study focus on effects blending ratios their coupling with injection timing engine performances under varying altitude conditions. results show...

10.3390/en18081955 article EN cc-by Energies 2025-04-11

<title>Abstract</title> A mobile communication network is a complex system with millions of interconnected devices, each acting as node and their forming edges. Securing such large-scale networks challenging crucial area research. While dynamic structure detection effective, existing methods often overlook the topology local disturbances. Therefore, effectively identifying community structures within addressing multimedia security issues remains significant challenge. This paper presents...

10.21203/rs.3.rs-5592658/v1 preprint EN Research Square (Research Square) 2025-04-14

The topological phase of matter brings extra inspiration for efficient light manipulation. Here, we propose two-parameter tunable transitions based on distorted Kagome photonic crystals. By selecting specific splicing boundaries, successfully visualize several diverse types robust edge states and corner states. Through introducing optical vortices with orbital angular momentum, demonstrate the directional excitation multi-dimensional as needed. Furthermore, have studied coupling effects...

10.3390/photonics12050488 article EN cc-by Photonics 2025-05-15

Simultaneously improving the strength, toughness, and ductility of cast steels has always been a difficult problem for researchers. Biphase TiCx-TiB2 nanoparticle-reinforced are prepared by adding in situ nanosized biphase TiCx-TiB2/Al master alloy during casting process. The experimental results show that series significant changes take place microstructure steel: ferrite-pearlite structure as-cast bainite after heat treatment refined, grain size is reduced, content nanoparticles increased....

10.3390/met8090707 article EN cc-by Metals 2018-09-09

In order to modulate the permanent magnet flux of motor, solving problem that range operating speed motor is narrow and efficiency high-frequency low, a variable hybrid-permanent-magnet synchronous machine (VFHPMSM) proposed in this paper. Firstly, topological structure PMs magnetic circuit electromagnetic characteristics different structures are studied. Then, from such as modulating ability re-and demagnetization characteristics, design ideas methods VFHPMSM described detail. Finally,...

10.1109/icems56177.2022.9982987 article EN 2021 24th International Conference on Electrical Machines and Systems (ICEMS) 2022-11-29

Due to the common operating characteristics of medium duty (MD) gasoline engines, achieving higher load at expense fuel efficiency is not an acceptable tradeoff. EGR dilution-stoichiometric combustion can suppress knocking and improve thermal efficiency, but has problems such as slow rate poor stability, which have limitations in optimizing for MD engines with strong swirl. The experimental investigations this study focus on interaction charge motion anti-knock performance under different...

10.1177/14680874231203738 article EN International Journal of Engine Research 2023-10-19

The twin variable geometry turbocharger (VGT) System, through efficient use of exhaust energy, maximizes internal combustion engine (ICE) power, reduces emissions and improves reliability. However, the flow characteristics twin-VGT system are greatly affected by environment. To ensure that two-stage adjustable supercharged is in all geographical environments under operating conditions, it necessary to conduct in-depth research on high- low-pressure turbines. In this paper, an experimental a...

10.3390/en16237873 article EN cc-by Energies 2023-12-01

Understanding the influence of environmental boundary parameters on through-flow characteristics two-stage supercharged centrifugal compressors is key to maximizing power recovery potential diesel engines at high altitudes. In this paper, compressor full-load thermal cycle performance a engine under variable altitude studied by means tests and simulation. The results show that with increase in altitude, range stable work flow decreases, pressure ratio plugging point changes greatly altitude....

10.3390/pr12010046 article EN Processes 2023-12-23

EGR dilution combustion has problems such as weakened anti-knock capability at high load, slow speed and poor stability, which results in limitations the thermal efficiency improvement load boundary extension of medium-duty highly-downsized engines. It is necessary to combine other measures collaboratively control in-cylinder thermodynamic state process. The experimental investigations this study isolate effect ethanol blending ratio gasoline on performance, performance efficiency, verifies...

10.1177/14680874241274035 article EN International Journal of Engine Research 2024-09-10

10.23919/icems60997.2024.10921010 article EN 2021 24th International Conference on Electrical Machines and Systems (ICEMS) 2024-11-26
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