Lei Liu

ORCID: 0009-0005-0877-3168
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About
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Research Areas
  • Fluid Dynamics and Mixing
  • Heat Transfer and Boiling Studies
  • Cyclone Separators and Fluid Dynamics
  • Aerodynamics and Fluid Dynamics Research
  • Silicone and Siloxane Chemistry
  • Mechanical Failure Analysis and Simulation
  • Flow Measurement and Analysis
  • Fluid Dynamics and Turbulent Flows
  • Plasma and Flow Control in Aerodynamics
  • Reservoir Engineering and Simulation Methods
  • Enhanced Oil Recovery Techniques
  • Computational Fluid Dynamics and Aerodynamics
  • Rheology and Fluid Dynamics Studies
  • Fluid Dynamics and Vibration Analysis
  • Advanced ceramic materials synthesis
  • Drilling and Well Engineering
  • Hydraulic Fracturing and Reservoir Analysis
  • Advanced Sensor and Control Systems
  • Mechanical Engineering and Vibrations Research
  • Synthesis and properties of polymers
  • Heat Transfer and Optimization
  • Distributed Control Multi-Agent Systems
  • Integrated Circuits and Semiconductor Failure Analysis
  • Low-power high-performance VLSI design
  • Antenna Design and Analysis

Huazhong University of Science and Technology
2014-2024

Nanjing University of Aeronautics and Astronautics
2023-2024

Xi'an Jiaotong University
2006-2023

Zhejiang University
2023

State Key Laboratory of Clean Energy Utilization
2023

CCTEG Shenyang Research Institute
2023

State Key Laboratory of Multiphase Flow in Power Engineering
2020

GlobalFoundries (Singapore)
2019

National University of Defense Technology
2019

Shanghai University of Engineering Science
2016-2018

10.1016/j.ijheatfluidflow.2013.12.003 article EN International Journal of Heat and Fluid Flow 2014-01-03

10.1016/j.flowmeasinst.2018.02.015 article EN Flow Measurement and Instrumentation 2018-02-13

Van-atta array is able to retro-reflect the incident signal back income direction and, thus, it can maintain a relatively larger radar cross-section (RCS) in large range of incidence angles. The previous researches about van-atta focus mainly on satellite communication and radio frequency identification (RFID). In this paper, retro-reflective characteristic further extended processing angle range. To accomplish this, microstrip with adjustable transmission line designed add phase modulation...

10.1109/access.2019.2928321 article EN cc-by IEEE Access 2019-01-01

It is widely accepted that the frictional pressure drop impossible to be negative for pipe flow. However, drops were observed some cases of two-phase slug and churn flows in pipes, challenging general sense thermodynamic irreversibility. In order solve this puzzling problem, theoretical investigations performed entropy generation flows. found along with a buoyancy-like term contributes due mechanical energy loss steady, incompressible vertical inclined pipes. Experiments conducted diameter...

10.3390/e23020156 article EN cc-by Entropy 2021-01-27

For optimal aerodynamic efficiency of specific ultra-compact serpentine intake, fluid oscillators are utilized to regulate airflow. This study employs advanced numerical simulation techniques examine the effects various control positions, jet angles, and excitation pressures on flow efficacy. Control position significantly impacts field structure within with a lower surface configuration outperforming an upper scheme. Optimal performance is achieved angles set at 20° 25°, respectively, under...

10.3390/aerospace11121011 article EN cc-by Aerospace 2024-12-09

This study presents a numerical investigation of suction control in an aggressive S-shaped air intake with large boundary ingestion. The results show that the variation parameters such as location, pipe diameter, and angle all have impact on effectiveness flow control. In general, further upstream suction, near throat, is favorable for decrease second intensity area low-energy fluid region at exit inlet. However, it bad total pressure recovery circumferential uniform distribution. From...

10.3390/aerospace10120989 article EN cc-by Aerospace 2023-11-24

Fault diagnosis system of ship power can assist the crew to deal with faults, shorten processing time, and prevent faults expanding. Multiagent technique is adopted for fault system. Ship divided into several feeder units. Each one abstracted as a regional agent (FED-Agent). A multiagent established FED-Agent other functional agents. Considering characteristics agent, processes both autonomy interactivity. It solve problem effectively.

10.1155/2014/370246 article EN cc-by Mathematical Problems in Engineering 2014-01-01

An experimental loop was established with API X52 steel pipes to investigate the effect of drag-reducing polymer on heat transfer in gas-liquid two-phase flow. The inner diameter pipe is forty millimeter and test has four different sections such as horizontal, inclined upward, downward vertical upward sections. results were presented. relationship between drag reduction efficiency analyzed. When induced by about 60~70%, fluid wall obviously decreases. can reach up 80~90%, which greater than...

10.4028/www.scientific.net/amr.383-390.856 article EN Advanced materials research 2011-11-22

The reliability of automobile seat angle-adjuster directly affects the safety automobiles. In order to improve angle-adjuster, structure is optimised by bench test. test carried out in light standard enterprise and improved based on experimental results. finite-element model established according parameters analysis presented under boundary conditions. validity verified comparing results with analysis. system basis relationship key components. put forward stress strength interference...

10.1080/14484846.2018.1548720 article EN Australian Journal of Mechanical Engineering 2018-12-03

SRAMs used in automotive grade applications are required to meet stringent fail rate criteria through End-of-Life (EOL) operation. Current projections often involve Vmin testing at low voltages which introduce uncertainties due the large extrapolations involved. We propose complementary with negative read assist as a way improve EOL estimates use of triangulation constrained regression. The design is also shown be an effective time-zero (TO) product screening without very that not possible...

10.1109/irps.2019.8720397 article EN 2022 IEEE International Reliability Physics Symposium (IRPS) 2019-03-01

The reliability of the automobile seat angle-adjuster directly affects safety vehicle. is improved based on bench test. Liability model system established according to key parts failure mode. That provides technical support for design improvements angle-adjuster.

10.4236/wjet.2017.51001 article EN World Journal of Engineering and Technology 2016-12-09

In order to improve the efficiency of welding, automotive body pre-assembly was implemented in an automatic welding line. The author designed a robot gripper for station, and simulated motion cylinder on each unit by using CATIA DMU module inspect interferences optimize structure. practical application indicated this could make good use high-accuracy flexibility robots handle workpiece accurately assemble quickly.

10.4028/www.scientific.net/amr.756-759.233 article EN Advanced materials research 2013-09-01
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