Browsing Journals and Magazines by Author "Zhang, X"

Now showing items 1-6 of 6

Effect of post-annealing on microstructure and piezoelectric properties of ZnO thin film for triangular shaped vibration energy harvester

Zhang, X; Wang, P; Liu, X; Zhang, W; Zhong, Y; Zhao, H; Shi, S; Jin, S; Amarasinghe, YWR [Article-Full-text]

In this paper, a triangular shaped piezoelectric vibration energy harvester (TS-PVEH) with zinc oxide (ZnO) thin films as the piezoelectric layer is reported. The effect of post-annealing temperature on the microstructure ...
Effects of Water and Brine Saturation on Mechanical Property Alterations of Brown Coal

Zhang, X; Gamage, RP; Perera, MSA; Ranathunga, AS [Article-Full-text]

The adsorption of moisture or brine into coal causes the coal mass mechanical properties to be significantly altered, which can greatly affect the coal mining and coal seam gas extraction process. A study was therefore ...
Experimental investigation of the influence of CO2 and water adsorption on mechanics of coal under confining pressure

Zhang, X; Ranjith, PG; Lu, Y; Ranathunga, AS [Article-Full-text]

Adsorption of CO2 into the coal matrix causes significant alterations in coal's mechanical properties and this process may be further complicated by water+CO2 saturation. The aim of this study is therefore to investigate the ...
The influence of CO2 saturation time on the coal gas flow: Fractured bituminous coal

Zhang, X; Gamage, RP; Perera, MSA; Haque, A; Ranathunga, AS [Article-Full-text]

The permeability reduction due to the coal matrix swelling induced by the adsorption of CO2 is the major concern during enhanced coalbed methane recovery (ECBM) as well as CO2 sequestration in coal reservoir. Many problems ...
Numerical investigation of effects of trees on cross-ventilation of an isolated building

Zhang, X; Buddhika, JWG; Wang, J; Weerasuriya, AU; Tse, KT [Article-Full-text]

Trees are often planted next to buildings for shade, evapotranspiration cooling, and as windbreaks. As windbreaks, trees slow down wind, consequently reducing the natural ventilation of the buildings that they shield. ...
Sub- and super-critical carbon dioxide flow variations in large high-rank coal specimen: An experimental study

Zhang, X; Ranjith, PG; Ranathunga, AS [Article-Full-text]

Many experimental studies to date have investigated CO2 sequestration in coal using small-scale samples (usually less than 100mm in length), and the results may not be applicable to large-scale samples which better ...

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Browsing Journals and Magazines by Author "Zhang, X"

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