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Mohammad Sadegh Tale Masoule and Ali Ghahremaninezhad
This study investigates the hydration, microstructure, autogenous shrinkage, electrical resistivity, and mechanical properties of Portland cement pastes modified with PEG-PPG triblock copolymers with varied molecular weights. The early age properties inc...
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Jingjiang Xiao, Haiping Long, Xuemei He, Guoyu Chen, Tao Yuan, Yi Liu and Qiaoling Xu
In order to treat phosphorus-containing wastewater and realize the resource utilization of wetland plant residues, biochar was prepared by the pyrolysis of canna aquatic plant waste at 700 °C, and the adsorption characteristics of phosphorus by MgO-modif...
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Shuyin Ma, Jianjun Cao, Qinghua Zhang and Sheng Xue
In order to study the influence law of gas desorption accumulation and emission characteristics under hydraulic fracturing, this experiment uses coal-rock adsorption?desorption test equipment to carry out isothermal desorption tests of water-bearing coal...
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Imran Shabir Chuhan, Jing Li, Ziyu Guo, Muhammad Yaqub and Malik Abdul Manan
The main purpose of this study is to investigate the thermal behavior of power law fluid within a plus-shaped cavity under the influence of natural convection, also taking into account the Darcy number and magnetohydrodynamics (MHD). The problem is formu...
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Kai Yao, Qing Li, Ping Chen, Juntong Li, Penghuai Wang and Wenqi Tang
In response to the high water sorptivity of alkali-activated slag?red mud?steel slag cementitious material (AASRSS), water and aggressive ions are easily transferred to the interior of cementitious materials, which poses a significant threat to their dur...
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Krzysztof Aniolek, Bozena Losiewicz, Julian Kubisztal, Patrycja Osak, Agnieszka Stróz, Adrian Barylski and Slawomir Kaptacz
Titanium and its alloys are among the most promising biomaterials for medical applications. In this work, the isothermal oxidation of Ti-6Al-7Nb biomedical alloy towards improving its mechanical properties, corrosion resistance, and bioactivity has been ...
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David Engelmann, Martin Sinkwitz, Francesca di Mare, Björn Koppe, Ronald Mailach, Jordi Ventosa-Molina, Jochen Fröhlich, Tobias Schubert and Reinhard Niehuis
This article provides a summarizing account of the results obtained in the current collaborative work of four research institutes concerning near-wall flow in turbomachinery. Specific questions regarding the influences of boundary layer development on bl...
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Xiaomin Liu, Changlin Li, Jianjun Du and Guodong Nan
In this paper, a thermo-hydrodynamic model of the bump foil thrust gas bearing is developed, which solves the coupled gas film three-dimensional energy equation, non-isothermal Reynolds equation, and the foil deformation equation. The effects of bearing ...
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Dong-Jun Kim and Kyuho Sim
This paper presents a linear dynamic analysis on operable charge pressure and working frequency of free-piston Stirling engines (FPSE) along with experimental verifications. The equations of motion of the FPSE are formulated as a 2-degree-of-freedom (DOF...
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Yongfeng Liu, Jianhua Gao, Na Wang and Shengzhuo Yao
A three-dimensional and isothermal anode relative humidity (ARH) model is presented and used to study the anode inlet humidity effects on the fastest power attenuation single cell in a vehicle fuel cell stack. The ARH model is based on the phenomenon tha...
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