Qulan Zhou

Xi'an Jiaotong University

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Na Li

Inner Mongolia University of Technology

Shien Hui

Xi'an Jiaotong University

Tongmo Xu

Xi'an Jiaotong University

Xi Chen

Xi'an Jiaotong University

Du Wen

Qinghai Normal University

Yuqing Pan

Xi'an Jiaotong University

Na Li

Ningxia University

Xiaole Chen

Hong Kong Baptist University

Zhiyuan Ning

Xi'an Jiaotong University

Qinlan Luo

Hunan University

Cooperative Institutions

Xi'an Jiaotong University

Chinese Academy of Sciences

University of Chinese Academy of Sciences

University of Maryland, College Park

Tsinghua University

State Key Laboratory of Multiphase Flow in Power Engineering

Central South University

University of Science and Technology of China

Shandong University

Columbia University

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Effect of Electric Field on Liquid Infiltration into Hydrophobic Nanopores

Langmuir (2011)

Baoxing Xu Yu Qiao Qulan Zhou Xi Chen

Understanding the variation of nanofluidic behavior in the presence of an external electric field is critical for controlling and designing nanofluidic devices. By studying the critical infiltration pressure of liquids into hydrophobic nanopores using molecular dynamics (MD) simulations and experiments, important insights can be gained on the variation of the effective liquid-solid interfacial tension with the magnitude and sign of electric field, as well as its coupling with the pore size and the solid and liquid species. It is found that the effective hydrophobicity reduces with the increase of electric intensity and/or pore size, and the behavior is asymmetric with respect to the direction of the electric field. The underlying molecular mechanisms are revealed via the study of the density profile, contact angle, and surface tension of confined liquid molecules.

Nanopore

10.1021/la200477y

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Citations (37)

An electroactuation system based on nanofluids

Applied Physics Letters (2011)

Baoxing Xu Yu Qiao Yibing Li Qulan Zhou Xi Chen

Views Icon Views Article contents Figures & tables Video Audio Supplementary Data Peer Review Share Icon Share Twitter Facebook Reddit LinkedIn Tools Icon Tools Reprints and Permissions Cite Icon Cite Search Site Citation Baoxing Xu, Yu Qiao, Yibing Li, Qulan Zhou, Xi Chen; An electroactuation system based on nanofluids. Appl. Phys. Lett. 30 May 2011; 98 (22): 221909. https://doi.org/10.1063/1.3597367 Download citation file: Ris (Zotero) Reference Manager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentAIP Publishing PortfolioApplied Physics Letters Search Advanced Search |Citation Search

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10.1063/1.3597367

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A comparative study of the pyrolysis and combustion characteristics of sodium‐rich Zhundong coal in slow and rapid processes

Energy Science & Engineering (2018)

Zhong Huang Na Li Qulan Zhou Duanyang Wang Huaqiang Yin

Abstract Coal with high content of alkali metal has limited use in the combustion process. The slow and rapid pyrolysis and combustion characteristics of sodium‐rich Zhundong coal were investigated using a thermal gravimetric analyzer and one‐dimensional drop‐tube furnace. The results show that the process was complete when the final temperature exceeds 900°C in slow pyrolysis, while in rapid pyrolysis it lasts for short residence time in the whole furnace. The weight loss ratio in rapid pyrolysis was significantly higher than that in slow pyrolysis, and shows different trends at different reaction temperatures. There is an extremum value of weight loss ratio obtained at 800°C in rapid pyrolysis, which is accompanied by the maximum value for the diameter of pores and the minimum value for specific surface area. Most alkali elements are released from the solid product, and the amounts of released alkali elements in combustion are higher than that in pyrolysis process. The apparent activation energy in the two pyrolysis processes and release of alkali in combustion were evaluated using different models, which demonstrates that the alkali release trend in combustion is easier than that of pyrolysis.

Tube furnace

Heat of combustion

Gravimetric analysis

Thermogravimetric analysis

10.1002/ese3.242

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Effect of coal-over-coal reburn on furnace temperature and heat flux distributions in 1MW tangentially fired furnace

International Journal of Thermal Sciences (2009)

Sen Li Tongmo Xu Qulan Zhou Houzhang Tan Shien Hui

Flue

10.1016/j.ijthermalsci.2009.07.007