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Rheological study of mudflows at Lianyungang in China
Xu JY(许晶禹); 呼和敖德; Xu JY(许晶禹)
Source PublicationInternational Journal of Sediment Research
AbstractAn experimental study of the rheological properties of mudflows at Lianyungang in China was carried out by the RS6000 rheometer, including steady and dynamic measurements. Five samples with the range of mud volume concentration from 0.058 to 0.179 were investigated. Based on the experimental data, a Dual-Herschel-Bulkley model was developed to analyze the flow curve and interpolate the static and dynamic yield stresses. The results show that in the steady measurement, the consolidation time and the system temperature show some effects on the rheogram and the yield stress for the sample with low sediment volume concentration, and the effects are strengthened gradually with the sediment volume concentration increasing. Under a shear stress sweep, two linear visco-elastic regions, showing the viscous and the elastic behaviors respectively, were discovered. Complex viscosity, elastic modulus and loss modulus in the elastic region are several orders of magnitude larger than those in the viscous region. Furthermore, the analysis of experimental data show that both steady and dynamic rheological properties can be expressed as appropriate exponential functions of the sediment volume concentration.
Subject Area非牛顿流体力学
Indexed BySCI ; EI
WOS IDWOS:000375783200008
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorXu JY(许晶禹)
Recommended Citation
GB/T 7714
Xu JY,呼和敖德,Xu JY. Rheological study of mudflows at Lianyungang in China[J]. International Journal of Sediment Research,2016,31(1):71-78.
APA Xu JY,呼和敖德,&许晶禹.(2016).Rheological study of mudflows at Lianyungang in China.International Journal of Sediment Research,31(1),71-78.
MLA Xu JY,et al."Rheological study of mudflows at Lianyungang in China".International Journal of Sediment Research 31.1(2016):71-78.
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