A5018378800- Hybrid Renewable Energy Systems
- Coal Combustion and Slurry Processing
- Erosion and Abrasive Machining
- Advanced Battery Technologies Research
- Energy and Environment Impacts
- Heat Transfer and Optimization
- Fuel Cells and Related Materials
- Cyclone Separators and Fluid Dynamics
- Aerosol Filtration and Electrostatic Precipitation
- Welding Techniques and Residual Stresses
- Subcritical and Supercritical Water Processes
- Intermetallics and Advanced Alloy Properties
- Advanced ceramic materials synthesis
- Granular flow and fluidized beds
- Environmental and Industrial Safety
- Spacecraft and Cryogenic Technologies
- Electrocatalysts for Energy Conversion
- Metallurgical and Alloy Processes
- interferon and immune responses
- Ultrasound and Cavitation Phenomena
- Industrial Gas Emission Control
- Aluminum Alloys Composites Properties
- Aluminum Alloy Microstructure Properties
- Fluid Dynamics and Turbulent Flows
- Heat Transfer Mechanisms
Xi'an Jiaotong University
2019-2024
China Railway Group (China)
2004
Based on the field of coal chemical industry, exploring applicability high-performance heat exchangers for water slurry and their flow transfer mechanism is great significance promoting development clean technology. In this paper, pattern forced convection a pair tandem heated cylinders with different distances were discussed using bi-viscous Bingham model by numerical simulation. And novel spiral wound exchanger variable diameter tubes was proposed. The results illustrate that coefficient...
Water electrolysis for hydrogen production is one of the most promising technologies addressing future energy crises. The electrolytic cell's structure and flow field distribution directly critically impact its consumption yield. This article constructs a high coupling numerical model with multiple physical fields industrial cell, which considers interaction among electrochemical reactions, mass transfer, multiphase flow. provides detailed information on phase inside structure−performance...
Rheological properties of coal water slurry (CWS) with different concentrations (45.77, 50.78, 52.13, 55.56, 57.67, and 61.06 wt%) were investigated by rotational rheometer at temperatures (20–60°C), shear rate integral magnitude logarithmically increased from 1 to 200 s−1. The results show that the CWS is a pseudoplastic fluid, whose rheological characteristic follows Bingham model well. Both yield stress plastic viscosity increase increasing concentration usually decrease temperature. has...
Abstract Twisted oval tubes were proposed to be installed in rod‐baffle heat exchangers (RBHXs) enhance transfer performance. A comparison between RBHXs with twisted and those circular is performed. The results show that the coefficient ( h ) per unit pressure drop (Δ p of larger than 36.01%~100.24% compared when Reynolds numbers are 4577~22 889, enhancement more obvious under lower inlet velocity. Then structural parameters optimized using response surface model genetic algorithms....
Abstract Spiral wound heat exchangers are widely used in industrial production for their advantages, such as large transfer areas and compact structures. However, design also poses significant difficulties numerical simulation experimental research. The spacing bar between tube bundles has an essential impact on the performance of exchangers. This paper presents a new type vertically installed core barrel spiral exchanger to enhance comprehensive performance. A model wrapped been...
The mechanical performance caused by fluid pressure or uneven temperature in heat exchangers is important to predict dangerous locations and guide the manufacture installation. Under background of coal-water slurry (CWS) preheating technology, using fluid–structure interaction, distribution law, mechanism von Mises stress deformation for CWS preheaters under different loads were studied, sensitivity analysis combining metamodel prognosis was carried out determine most influential parameters...