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  1. No Access

    Article

    Numerical Simulation of Flow Field in Large Bottom-Blown Furnace Under Different Scale-Up Criteria

    In this paper, the fluid dynamics software Fluent is used to simulate the gas–liquid two-phase flow characteristics of a bottom-blown furnace under four different scale-up criteria. The results show that most ...

    Wenlong **, Li** Niu, **bo Song, Suhong Liu in JOM (2023)

  2. Article

    Open Access

    Research on prestressed loading strut of cable supported portal frame

    In this study, a novel type of loading strut device is presented, which is introduced in portal frame external prestressing reinforcement and used to constitute a cable-supported portal frame structural system...

    Shuhong Liu, Junqi Wu, Cong Wang, Yajun **n in SN Applied Sciences (2022)

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  3. No Access

    Article

    Flatness maintenance and roughness reduction of silicon mirror in chemical mechanical polishing process

    As an important optical component in laser system, silicon mirror surface is required to have micron-level flatness and subnanometer-level roughness. The research concentrates on how to improve roughness as fa...

    BoCheng Jiang, DeWen Zhao, BingQuan Wang… in Science China Technological Sciences (2020)

  4. No Access

    Article

    Influence of crystal structure on friction coefficient of ZnO films prepared by atomic layer deposition

    In this work, the influence of crystal structure on the friction coefficient of zinc oxide (ZnO) films was studied. The ZnO films were deposited on a Si (100) substrate using an atomic layer deposition process...

    ZhiMin Chai, YuHong Liu, **nChun Lu, DanNong He in Science China Technological Sciences (2016)

  5. No Access

    Article

    Numerical predictions and stability analysis of cavitating draft tube vortices at high head in a model Francis turbine

    Draft tube vortex is one of the main causes of hydraulic instability in hydraulic reaction turbines, in particular Francis turbines. A method of cavitation calculations was proposed to predict the pressure flu...

    ZhiGang Zuo, ShuHong Liu, DeMin Liu, DaQing Qin in Science China Technological Sciences (2014)

  6. No Access

    Article

    Nanowear pretreatment of AFM tips for reasonable friction force

    In a nanoscale friction test, wear of an atomic force microscope (AFM) tip is inevitable. The shape of the worn tip influences the friction force measured. In order to eliminate the influence, nanowear pretrea...

    ZhiMin Chai, YuHong Liu, WeiQi Wang, **nChun Lu… in Science China Technological Sciences (2014)

  7. No Access

    Article

    Excellent tribological behavior of hexadecylphosphonic acid films formed on titanium alloy

    Titanium alloy (Ti6Al4V) surfaces are generally modified to achieve some specific surface properties to satisfy requirements of clinical medicine. In our work, hexadecylphosphonic acid (HDPA) films were succes...

    Cai**a Zhang, YuHong Liu, ShiZhu Wen in Science China Technological Sciences (2014)

  8. No Access

    Article

    Achievement of a near-perfect smooth silicon surface

    During the ultra large scale integration (ULSI) process, the surface roughness of the polished silicon wafer plays an important role in the quality and rate of production of devices. In this work, the effects ...

    **g Li, YuHong Liu, Yuan**g Dai, DaChuan Yue… in Science China Technological Sciences (2013)

  9. No Access

    Article

    Superlubricity of Si3N4 sliding against SiO2 under linear contact conditions in phosphoric acid solutions

    Superlubricity phenomena, which were previously achieved merely under point contact conditions, have been observed under the linear contact condition between the silicon nitride (Si3N4) cylinder and the silica (S...

    Liang Sun, ChenHui Zhang, **** Li, YuHong Liu… in Science China Technological Sciences (2013)

  10. No Access

    Article

    A comparative study between graphene oxide and diamond nanoparticles as water-based lubricating additives

    The tribological properties of graphene oxide (GO) nanosheets and modified diamond (MD) nanoparticles with excellent water-solubility were investigated. GO nanosheets were synthesized using carbon fibers with ...

    YuHong Liu, **aoKang Wang, GuoShun Pan, JianBin Luo in Science China Technological Sciences (2013)

  11. Article

    Open Access

    Tunable tribological properties in water-based lubrication of water-soluble fullerene derivatives via varying terminal groups

    In this paper, three kinds of water-soluble fullerene derivatives were synthesized via electrophilic addition reaction and cycloaddition reaction, respectively. The chemical composition characterizations of th...

    YuHong Liu, Peng**ao Liu, Lu Che, ChunYing Shu, **nChun Lu in Chinese Science Bulletin (2012)

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  12. No Access

    Article

    Preparation of poly (N-isopropylacrylamide) brush bonded on silicon substrate and its water-based lubricating property

    The poly (N-isopropylacrylamide) brush was covalently bonded on an initiator-coated silicon wafer via surface-initiated atom transfer radical polymerization. The polymer brush was (76.2±0.1) nm in thickness (b...

    YuHong Liu, YuQi **ao, JianBin Luo in Science China Technological Sciences (2012)

  13. No Access

    Article

    Modification on the tribological properties of ceramics lubricated by water using fullerenol as a lubricating additive

    It is necessary to modify the running-in process for the application of ceramics using water as a lubricant in real conditions because ceramics sliding in water are characterized by a running-in period with se...

    YuHong Liu, **aoKang Wang, Peng**ao Liu… in Science China Technological Sciences (2012)

  14. Article

    Open Access

    Tunable water-based lubrication behavior of alkyl- and fluoroalkyl-silanes

    In this paper, we report the tribological properties of self-assembled molecular (SAM) films of fluoroalkylsilanes and non-fluoroalkylsilanes, with different chain-lengths, adsorbed on Si substrate surfaces by...

    YuHong Liu, Peng**ao Liu, YuQi **ao in Chinese Science Bulletin (2012)

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  15. No Access

    Article

    An optimization method on runner blades in bulb turbine based on CFD analysis

    In this paper an optimization method of the runner blades in a bulb turbine based on CFD analysis is proposed. In the method the main scales of the turbine including guide vane, runner and draft are maintained...

    Wei Yang, YuLin Wu, ShuHong Liu in Science China Technological Sciences (2011)

  16. No Access

    Article

    PIV measurement on internal instantaneous flows of a centrifugal pump

    In this paper, the internal flow field in a centrifugal pump working at the design flow rate operating condition has been measured using the particle image velocimetry (PIV) technique with the fluorescent part...

    YuLin Wu, ShuHong Liu, Hui**g Yuan, Jie Shao in Science China Technological Sciences (2011)

  17. No Access

    Article

    An experimental study on self-output-control characteristics of micro downwind rotor with coning soft blades

    In this short paper, we have treated the aerodynamic performance of micro downwind rotor with coning soft blades experimentally. The test wind rotor has the tip diameter of 1.5 m and three two-dimensional NACA...

    ShuHong Liu, **anWu Luo, Hidenori Eguchi… in Science in China Series E: Technological S… (2010)

  18. No Access

    Article

    Viscous liquid sloshing dam** in cylindrical container using a volume of fluid method

    Liquid sloshing is a kind of very complicated free surface flow and exists widely in many fields. In order to calculate liquid sloshing dam** precisely a volume of fluid method based on finite volume scheme ...

    Wei Yang, ShuHong Liu, Hong Lin in Science in China Series E: Technological Sciences (2009)

  19. No Access

    Article

    Numerical simulation of pressure fluctuation in Kaplan turbine

    As it is almost impossible to carry out the prototype hydro-turbine experiment before the power plant is built up, rational prediction of pressure fluctuations in the prototype turbine is very important at the...

    ShuHong Liu, Jie Shao, ShangFeng Wu… in Science in China Series E: Technological S… (2008)

  20. No Access

    Article

    Study on the spectral response of Brassica Campestris L. leaf to the copper pollution

    Brassica Campestis L. was cultivated in the soil at the laboratory. The red edge, the visual spectrum and the near-infrared spectrum of Brassica Campestis L. leaf were used to explore the spectral response of Bra...

    SuHong Liu, **nHui Liu, Juan Hou… in Science in China Series E: Technological S… (2008)

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