Pengfei Hu

ORCID: 0000-0003-3994-1572
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About
Contact & Profiles
Research Areas
  • Minerals Flotation and Separation Techniques
  • Coagulation and Flocculation Studies
  • Aquatic Ecosystems and Phytoplankton Dynamics
  • Thermochemical Biomass Conversion Processes
  • Gyrotron and Vacuum Electronics Research
  • Catalytic Processes in Materials Science
  • Coal Properties and Utilization
  • Particle Dynamics in Fluid Flows
  • Erosion and Abrasive Machining
  • Radical Photochemical Reactions
  • Pulsed Power Technology Applications
  • High-Temperature Coating Behaviors
  • Coal Combustion and Slurry Processing
  • Photonic and Optical Devices
  • Surface Modification and Superhydrophobicity
  • Catalysts for Methane Reforming
  • Extraction and Separation Processes
  • Diamond and Carbon-based Materials Research
  • Heat transfer and supercritical fluids
  • Fluid Dynamics and Mixing
  • Landslides and related hazards
  • Photonic Crystals and Applications
  • Catalytic C–H Functionalization Methods
  • Artificial Intelligence in Healthcare
  • Marine and coastal ecosystems

Stevens Institute of Technology
2024

University of Science and Technology Beijing
2024

Naval University of Engineering
2024

Southwest University
2022-2023

State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering
2023

University of South China
2016-2023

Central South University
2023

Chongqing University
2023

Northeast Electric Power University
2017-2022

China University of Mining and Technology
2019-2021

CM247LC, a Ni-based superalloy widely used in the aerospace industry due to its exceptional high-temperature performance, faces severe cracking issues laser powder bed fusion (L-PBF) processing. This study investigates effects of removing Hf and reducing Al content on mechanical behaviors LPBF-processed CM247LC. Microstructure characterization thermodynamic calculation reveal that narrows solidification interval, reduces fraction size inter-dendritic MC carbides, thereby lowers...

10.1016/j.jmrt.2024.02.082 article EN cc-by-nc-nd Journal of Materials Research and Technology 2024-02-09

In recent years, unmanned aerial vehicle (UAV) technology has advanced significantly, enabling its widespread use in critical applications such as surveillance, search and rescue, environmental monitoring. However, planning reliable, safe, economical paths for UAVs real-world environments remains a significant challenge. this paper, we propose multi-strategy improved red-tailed hawk (IRTH) algorithm UAV path real environments. First, enhance the quality of initial population by using...

10.3390/biomimetics10010031 article EN cc-by Biomimetics 2025-01-06

The present work aimed to study the effect of slurry conditioning on flocculant-aided filtration coal tailings by analysis kinetics and filter cake structure. Laboratory tests showed that both shear rate agitation time have significant effects moisture. Moderate at 92 s−1 was favorable for fast filtration, but high moisture encountered. low-field 1H nuclear magnetic resonance (NMR) measurements has a residual water in large pores negligible small pores. X-ray micro-tomography (XRM) indicated...

10.1016/j.ijmst.2020.07.008 article EN cc-by-nc-nd International Journal of Mining Science and Technology 2020-08-08

Ti and its alloys have received wide attention in marine engineering. However, the limited anti-biofouling capability may hinder their application. In present work, micro-arc oxidation (MAO) with without introduction of ultrasonic vibration (UV) has been conducted on metallic substrate an aqueous solution containing Na2Cu-EDTA to produce a Cu-modified TiO2 coating. Microstructural characterization reveals that UV increased thickness coating (ranging from ~13.5 μm ~26.2 μm) compared ~8.1...

10.3390/coatings14040376 article EN Coatings 2024-03-22

<div><div><div><p>A user-friendly approach to sidestep the venerable Grignard addition unactivated ketones access tertiary alcohols by reversing polarity of disconnection. In this work a ketone instead acts as nucleophile when adding simple olefins accomplish same overall transformation. The scope coupling is broad enabled using an electrochemical and reaction scalable, chemoselective, requires no precaution exclude air or water. Multiple applications demonstrate...

10.26434/chemrxiv.13139510 preprint EN cc-by-nc-nd 2020-10-27

Preconditioning of coal tailings with flocculants is a useful technology to improve filtration performance.In this study, anionic and cationic polyacrylamides were used for the pretreatment before filtration.Nondestructive rapid measurement filter cakes at different stages was conducted using nuclear magnetic resonance (NMR).The transverse relaxation time (T2) results NMR provided information concerned state water in cake, showing that free entrapped larger pores removed mainly during...

10.37190/ppmp/133822 article EN Physicochemical Problems of Mineral Processing 2021-03-02

Efficient beneficiation of microcrystalline graphite remains a challenge. Selective recovery from quartz using hydrophobized magnetite as magnetic seed is studied in this work. Magnetite was by the surface coating sodium oleate. The hydrophobic agglomerates were then separated separation. Sedimentation experiments performed to study adhesion and particles. results showed that led higher than original magnetite, due probability bond with graphite. However, hydrophobization had an...

10.3390/min10010024 article EN Minerals 2019-12-27

Chemical conditioner is employed widely to improve the filtration rate of coal tailings in preparation plant. However, little attention has been paid physical which could be economic and effective. In this study, carbon-containing fly ash (CCFA) was used tailings. The experiments were conducted with addition CCFA. It found that increased increase CCFA amount from 0 150 kg/t. permeability filter cake, obtained framework Darcy’s theory, significantly after conditioning. nuclear magnetic...

10.1080/15567036.2020.1808740 article EN Energy Sources Part A Recovery Utilization and Environmental Effects 2020-08-17
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