【摘 要】
：
The flow through a single fracture is numerically studied by means of the Fluent Software.The results show that the roughness of the fracture significantly affe
【机 构】
：
Laboratory of Environmental Mechanics
【基金项目】
：
国家自然科学基金;the National Key Basic Research Program of China (973 Program);the National Natural Science Funds of China for Distinguished Young Scholar
论文部分内容阅读
The flow through a single fracture is numerically studied by means of the Fluent Software.The results show that the roughness of the fracture significantly affects the hydraulic conductivity in the fracture as compared with the cubic law model widely used to describe the flow between two smooth parallel plates.A new model is proposed in this paper,the non-symmetric sinusoidal fracture model,to simulate the flow in a real fracture.This model involves two sinusoidal-varying walls with different phases to replace the flat planes in the cubic law model.The relationships between the effective hydraulic apertures and the phase retardation for different relative amplitudes and wavelengths are numerically investigated.A simple expression of the effective hydraulic aperture of the fracture is obtained,together with the law of the effective hydraulic aperture against the amplitude,the phase retardation and the wavelength of two sinusoidal-varying walls.
其他文献
Flower-like microstructured nickel was synthesized by a facile mixed-solvent thermal process.The structure,morphology,and magnetic properties of the reaction pr
Surface-enhanced Raman scattering(SERS) spectra of different silver nanoplate self-assembled films at different excitation wavelengths were fairly compared.Shap
Three new suprarnolecular networks based on paratungstate and N-donor bridging ligands,[H2bpmp]25H[H2W12O40].2H2O( 1 ),[H2(bpp)] 2[H(py-CH3)]0.25[H(py--C2H5)]0.
This study evaluated the morphological characteristics and dynamic variation in characteristics of soil crust and identified the relationships between soil crus
A 9-month incubation experiment using composted and non-composted amendments derived from vine pruning waste and sewage sludge was carried out to study the effects of the nature and stability of organ
In this study,we have performed first-principles screened exchanged hybrid density function theory with the HSE06 function calculations of the C-Mo,C-W,N-Nb and
The G-quadruplexes formed from G-rich strands in the telomere and oncogene-promoter regions are regarded as new promising targets in the cancer therapy.A G-quad
Background Anxiety appears to be more common in patients with coronary artery disease (CHD) than in the general population,and anxiety symptoms may precede onse
In a low permeability reservoir,the existence of a moving boundary is considered in the study of the transient porous flow with threshold pressure gradient.The
Mesoporous γ-aluminas with large pore size (up to 19 nm,denoted as MA19) are prepared from dispersed pseudo-boehmite using pluronic P123 as template.It is foun