Search Results - "Yang, Yugui"

The effect of liquid nitrogen cooling on coal cracking and mechanical properties by Cai, Chengzheng, Gao, Feng, Yang, Yugui

“…Liquid nitrogen is a type of super-cryogenic fluid, which can cause the reservoir temperature to decrease significantly and thereby induce formation rock…”
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Strength criterion and elastoplastic constitutive model of frozen silt in generalized plastic mechanics by Yuanming, Lai, Yugui, Yang, Xiaoxiao, Chang, Shuangyang, Li

“…Triaxial compressive tests of frozen silt were carried out under confining pressures from 0.0 to 14.0 MPa at the temperatures of −2, −4 and −6 °C. A strength…”
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Modeling heat and mass transfer during artificial ground freezing considering the influence of water seepage by Hou, Shanshan, Yang, Yugui, Cai, Chengzheng, Chen, Yong, Li, Fulin, Lei, Dawei

“…•The dynamic liquid–ice equilibrium relationship considering the contribution of water seepage pressure is established.•The relationship between the decrease…”
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Changes in breakdown pressure and fracture morphology of sandstone induced by nitrogen gas fracturing with different pore pressure distributions by Hou, Peng, Gao, Feng, Gao, Yanan, Yang, Yugui, Cai, Chengzheng

“…To better understand effect of pore pressure distribution on fracturing behavior of reservoir rocks in gas fracturing, four types of pore pressure distribution…”
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A Dual Fractal Approach to Thermal–Hydrological–Mechanical Interactions of Unconventional Reservoir by Dayu, Ye, Guannan, Liu, Xu, Zou, Yugui, Yang, Fangtian, Wang, Feng, Gao

“…As one of the most essential clean energy sources, the extraction and utilization methods of Coal Bed Methane (CBM) have been widely investigated and analyzed…”
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Shear Strength Behavior of Coarse-Grained Saline Soils after Freeze-Thaw by Wang, Songhe, Ding, Jiulong, Xu, Jian, Ren, Jianwei, Yang, Yugui

“…The bearing capacity of embankment filled by coarse-grained saline soils will be deteriorated after freeze-thaw, especially when shallow groundwater is…”
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Experimental research on rock fracture failure characteristics under liquid nitrogen cooling conditions by Gao, Feng, Cai, Chengzheng, Yang, Yugui

“…•Experiment of rock fracture under liquid nitrogen cooling condition was performed.•The effect of liquid nitrogen cooling on rock fracture failure was…”
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Morphological change of the mouth bar in relation to natural and anthropogenic interferences by He, Yong, Wu, Yao, Lu, Chen, Wu, Menwu, Chen, Ying, Yang, Yugui

“…Mouth bars are important morphological units in deltaic and estuarine systems, which have encountered with significant topography variations driven by…”
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Experimental and theoretical studies on the creep behavior of warm ice-rich frozen sand by Yang, Yugui, Lai, Yuanming, Chang, Xiaoxiao

“…It is recognized experimentally that the creep property of warm ice-rich frozen soils will cause a significant deformation, which affects the stability of…”
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Laboratory and theoretical investigations on the deformation and strength behaviors of artificial frozen soil by Yang, Yugui, Lai, Yuanming, Chang, Xiaoxiao

“…In order to study the mechanical characteristic of artificial frozen soils, such as strength, and stress–strain relationship, a series of triaxial compression…”
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Experimental investigation on mechanical properties of coal samples under different freeze–thaw cycles by Zhou, Chengyong, Yang, Yugui, Hou, Shanshan, Cai, Chengzheng, Li, Fulin, Xu, Cheng

“…Due to the extensive excavation of open-pit coal mines in northwest of China, the rock slopes formed by special environments are subjected to freeze-thaw (F-T)…”
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The Numerical Stimulation of Methane-Air Mixing Characteristics in Wellbore during the Air Jet Injection by Tao, Zhixiang, Cai, Chengzheng, Zou, Zengxin, Yang, Yugui, Feng, Yinrong

“…At present, in situ blasting fracturing with formation methane is identified as an effective method for shale gas stimulation. In this paper, based on the in…”
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Experimental and theoretical investigations on the mechanical behavior of frozen silt by Yugui, Yang, Feng, Gao, Yuanming, Lai, Hongmei, Cheng

“…The mechanical properties of frozen soil are complicated due to their complex components and sensitivity to temperature, water content and pressure. This study…”
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Analytical solution and numerical simulation of the liquid nitrogen freezing-temperature field of a single pipe by Cai, Haibing, Xu, Liuxun, Yang, Yugui, Li, Longqi

“…Artificial liquid nitrogen freezing technology is widely used in urban underground engineering due to its technical advantages, such as simple freezing system,…”
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Application of Shallow-Hole Blasting in Improving the Stability of Gob-Side Retaining Entry in Deep Mines: A Case Study by Chen, Yong, Ma, Shuqi, Yang, Yugui, Meng, Ningkang, Bai, Jianbiao

“…The hanging of hard roof strata in the gob-side retaining entry in deep mines could lead to dynamic disasters. The pressure relief mechanism for the hard roof…”
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An elastoplastic model for gas flow characteristics around drainage borehole considering post-peak failure and elastic compaction by Xue, Yi, Dang, Faning, Liu, Fengyin, Li, Rongjian, Ranjith, P. G., Wang, Songhe, Cao, Zhengzheng, Yang, Yugui

“…The excavation and drainage drilling for underground mining induces stress redistribution around the gas drainage borehole, thus forming three physical zones:…”
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A Study on the Mechanical Mechanism of Injection Heat to Increase Production of Gas in Low-Permeability Coal Seam by Cheng, Hongmei, Zhang, Ning, Yang, Yugui, Peng, Weihong, Chen, Heng

“…This paper puts forward a new mathematical model, which is a coal damage-heat-fluid-solid multi-field coupling theory, in order to reveal the mechanical…”
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Numerical simulation on the flow field characteristics and impact capability of liquid nitrogen jet by Cai, Chengzheng, Gao, Feng, Huang, Zhongwei, Yang, Yugui

“…With the rapid progress of petroleum engineering, liquid nitrogen jet is expected to be used for perforation and jet fracturing, and then provide a new method…”
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Energy dissipation and failure criterion of artificial frozen soil by Yugui, Yang, Feng, Gao, Hongmei, Cheng, Peng, Hou

“…The failure mechanism of frozen soil is very complicated and shows closely dependence on many factors. A precise physical definition for failure state of…”
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Experimental study on the breakdown mechanism of high temperature granite induced by liquid nitrogen fracturing: An implication to geothermal reservoirs by Cai, Chengzheng, Zou, Zengxin, Ren, Keda, Tao, Zhixiang, Feng, Yinrong, Yang, Yugui, Wang, Bo

“…To reveal the breakdown mechanism of dry hot rock (HDR) induced by liquid nitrogen (LN) fracturing, the laboratory tests were performed on high temperature…”
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