Xiaofeng Xu

ORCID: 0000-0002-0471-7557
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Research Areas
  • Phase Change Materials Research
  • Adsorption and Cooling Systems
  • Solar Thermal and Photovoltaic Systems
  • Advanced Thermoelectric Materials and Devices
  • Nanofluid Flow and Heat Transfer
  • Heat Transfer and Optimization
  • Thermal properties of materials
  • Polymer crystallization and properties
  • Energy and Environmental Systems
  • Advanced Battery Technologies Research
  • Refrigeration and Air Conditioning Technologies
  • Microencapsulation and Drying Processes
  • biodegradable polymer synthesis and properties
  • Advanced Sensor and Energy Harvesting Materials
  • Innovative concrete reinforcement materials
  • Power Systems and Renewable Energy
  • Conducting polymers and applications
  • Liquid Crystal Research Advancements
  • Diverse Academic Research Analysis
  • Food Supply Chain Traceability
  • Heat Transfer and Boiling Studies
  • Concrete and Cement Materials Research
  • Energy, Environment, Agriculture Analysis
  • Structural Behavior of Reinforced Concrete
  • Building Energy and Comfort Optimization

Shanghai Jiao Tong University
2024

Shanghai Maritime University
2017-2022

Zaozhuang University
2016

Shenyang Jianzhu University
2015

Beijing Chemical Industry Research Institute (China)
1993

To maintain the quality of fruits, vegetables, and other agricultural products during cold chain transportation, a constant temperature in range −5°C to 8°C is optimal. In this work, thermal storage material, containing sodium polyacrylate, multiwalled carbon nanotubes (MWCNTs), water, was prepared polyethylene plate, which then placed vacuum insulation box. The material exhibits high economic efficiency, phase transition −0.037°C, latent heat 335.4 J/g polyacrylate (PASS) system....

10.1002/er.4187 article EN International Journal of Energy Research 2018-08-22

Phase-change energy storage technology is one of the remarkable technologies in recent years. This can effectively solve mismatching contradiction supply and demand time space. It promote optimisation utilisation improve efficiency utilisation. There are two technical problems using mirabilite alone as phase change materials. One super-cooling phenomenon, other separation. research used cooling curves, differential scanning calorimetry experimental methods. Heat characteristics were studied...

10.1179/1432891714z.0000000001232 article EN Materials Research Innovations 2015-05-01

Octanoic-myristic acid binary eutectic mixture (OA-MA) was prepared as a base liquid. A novel shaped composite PCM of OA-MA/expanded graphite (EG) with an optimum mass ratio (OA-MA:EG=93:7) by uniformly absorbing OA-MA into the porous structure EG. The micro observed scanning electronic microscopy (SEM). phase change temperature and latent heat were measured DSC.The thermal conductivity Hot Disk constant analyzer. Besides, cycling tests carried out for 100 times to validate stability...

10.1016/j.egypro.2019.01.642 article EN Energy Procedia 2019-02-01

The environment temperature has great effects on field of cold storage refrigerator car and melting process materials. NaCl aqueous solution was used as the material, Solidworks to establish physical model car, Gambit for meshing Ansys make simulation calculation. results indicate that: with rise temperature, plate will be fast, time latent heat discharge shorter. can stabilize in a high is short. When 303K, material needs 70.2h melted into salt solution. 293K 73.6h. At this moment, existed...

10.1016/j.egypro.2017.12.476 article EN Energy Procedia 2017-12-01

In order to find a low temperature phase change material with range of 2–8°C, decyl alcohol (DA) and myristyl (MA) binary eutectic mixture was prepared based on theoretical calculation, mass ratio DA: MA=87:13. DA-CA/EG an optimal DA-MA: EG=14:1 obtained after vacuum adsorption. Scanning electron microscope Fourier transformation infrared spectroscopy results show that DA-MA uniformly distributed in the porous network structure EG due physical action. Phase latent heat DA-MA/EG were measured...

10.1080/01411594.2020.1758319 article EN Phase Transitions 2020-05-03

Engineered cementitious composite (ECC) functional gradient concrete has a promising application future, and its mechanical features are piquing the interest of researchers. The impacts this strength class concrete, interface reinforcement technique, ECC thickness (i.e., fiber dosage), other factors on splitting tensile qualities explored using an experimental investigation concrete. tests 150 mm × specimens were used to explore link between grade, reinforcing with polyvinyl alcohol (PVA)...

10.3390/coatings14020231 article EN Coatings 2024-02-17

Phase change energy storage is a new type of technology that can improve utilization and achieve high efficiency savings. hysteresis affects the effect phase storage, influencing factors are unknown. In this paper, low-temperature eutectic material, CaCl2·6H2O-MgCl2·6H2O, was selected as research object, combined with mechanism characteristics, using temperature acquisition instrument to draw step cooling curve. A differential scanning calorimeter used measure DSC (differential calorimetry)...

10.3390/ma15082775 article EN Materials 2022-04-09

The present paper aims at establishing a phase-change thermal storage air-conditioning cooling water system heat transfer model. impact factors of phase change materials in the regenerative process were researched by numerical simulation. amount was determined. Heat capacity after adding predicted. With an increase Na2SO4·10H2O unit number from 104 to 614, increases. can improve 30% compared with original capacity. Analogue values are within range ±3–±5% error experiment results any time...

10.1179/1432891714z.0000000001234 article EN Materials Research Innovations 2015-05-01
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