Explanipedia

Compressive Failure and Dual-Defect Coupling Effects of Open-Hole Composite Laminates with Drilling-Induced Delamination Open

Rui Zhu, Yonghui Liu, X.F. Nie, Qingqing Xiao, Jun Liang , et al. · 2025

This study investigates the influence of drilling-induced delamination damage on the compressive mechanical behavior of open-hole carbon fiber-reinforced composite laminates and explores the failure mechanisms under dual-defect coupling ef…

Skew-Normal Model Theories and Their Applications Open

Shuangzhe Liu, Yonghui Liu · 2025

A FRACTAL-MONTE CARLO APPROACH TO SIMULATE ELECTRICAL CONDUCTIVITY OF POROUS MEDIA WITH ROUGH SURFACES Open

Aimei Liu, Yongjun Xiao, Yonghui Liu, BOQI XIAO, WENJIE HUANG , et al. · 2025

The study of electrical conductivity in porous media has become increasingly important in wide fields such as geophysics and oil engineering. In this work, a probability model for electrical conductivity of porous media with rough surfaces…

PREDICTING EFFECTIVE THERMAL CONDUCTIVITY OF UNSATURATED FRACTAL POROUS MEDIA WITH ROUGH SURFACES USING FRACTAL-MONTE CARLO SIMULATIONS Open

SHASHA YE, Yonghui Liu, Yongjun Xiao, WENJIE CHEN, Y.L. Gong , et al. · 2025

The effective thermal conductivity (ETC) plays a critical role in studying heat transfer processes in unsaturated porous media. In this work, a probability model for the dimensionless ETC of unsaturated fractal porous media with rough surf…

A Novel Drift-Flux Model for High-Pressure Gas Wells Based on Dimensionless Gas/Liquid Velocity Numbers Open

Yonghui Liu, Pengbo Wu, Huaicai Fan, Chengcheng Luo, Mingjing Xu , et al. · 2025

A NOVEL MODEL FOR THE ELECTRICAL CONDUCTIVITY OF WATER-SATURATED TREE-LIKE BRANCHING NETWORK WITH FRACTAL ROUGH SURFACES Open

SHASHA YE, Yonghui Liu, Yongjun Xiao, Yilin Yang, RUOTONG LV , et al. · 2025

Tree-like branching networks play a critical role in various natural and engineering systems. In this work, a novel model for the electrical conductivity of water-saturated tree-like branching networks with fractal rough surfaces is derive…

Advances in 2,3-Dimethylmaleic Anhydride (DMMA)-Modified Nanocarriers in Drug Delivery Systems Open

Dong Wan, Yanan Wu, Yujun Liu, Yonghui Liu, Jie Pan · 2024

Cancer represents a significant threat to human health. The cells and tissues within the microenvironment of solid tumors exhibit complex and abnormal properties in comparison to healthy tissues. The efficacy of nanomedicines is inhibited …

Embedded sensors for <i>in situ</i> measuring and safety warning in lithium carbon fluorides batteries Open

Bingxin Wan, Wen Liu, Shangde Ma, Rui Guo, Weijie Yang , et al. · 2024

Lithium/carbon fluoride (Li/CFx) batteries are highly favored for ultra-high specific energy systems due to their attractive features. However, the significant heat generation poses serious risks including thermal runaway, illustrating the…

Microstructure and properties of LZQT600-3 HCCDIBs for plunger pump cylinder Open

Chunjie Xu, Yuanying Jin, Dong Ma, Zhen Zhao, Jiawei Qi , et al. · 2024

It is important to improve the comprehensive performance of the ductile iron bars (DIBs) for the cylinder block of the extra high pressure hydraulic plunger pump and accelerate the industrial application. In this work, the LZQT600-3 DIBs w…

Comparison of mechanical characteristics of different types of shales in the Ordos Basin Open

Liangbin Dou, Jingyang Chen, Xiongdi Zuo, Yonghui Liu, Lin Sun , et al. · 2023

Shale gas is a very important unconventional energy. The mechanical properties of the three types of shale (laminated shale, sandwich shale and foliated shale) are different, and the difference in fracturing effectiveness is very significa…

Robust autoregressive modeling and its diagnostic analytics with a COVID-19 related application Open

Yonghui Liu, Jing Wang, Víctor Leiva, Alejandra Tapia, Wei Tan , et al. · 2023

Autoregressive models in time series are useful in various areas. In this article, we propose a skew-t autoregressive model. We estimate its parameters using the expectation-maximization (EM) method and develop the influence methodology ba…

THERMAL CONDUCTIVITY OF UNSATURATED FIBROUS MEDIA BY FRACTAL-MONTE CARLO SIMULATIONS Open

Yonghui Liu, Jun Gao, BOQI XIAO, An Ning Feng, HAORAN HU , et al. · 2022

The effective thermal conductivity of unsaturated fibrous media is simulated by Fractal-Monte Carlo simulations in this work. Based on the probability model and thermal-electrical analogy method, the proposed model of the effective thermal…

Particle Number Emission of Turbulent Diffusion Flame Open

Kesong Zhang, Yonghui Liu, Ruixia Chu, Wanyou Huang · 2022

Autopatch: Learning to Generate Patches for Automatically Fixing Compatibility Issues in Android Apps Open

Yanjie Zhao, Pei Liu, Xiaoyu Sun, Yue Liu, Yonghui Liu , et al. · 2022

A New Approach for Modeling Mixed Lubricated Piston-Cylinder Pairs of Variable Lengths in Swash-Plate Axial Piston Pumps Open

Bo Zhao, Xinqing Hu, Haifeng Li, Yonghui Liu, Baocheng Zhang , et al. · 2021

The swash-plate axial piston pump is one of the most widely used pumps due to its simplicity and compactness in structure. In such a pump, the piston-cylinder system plays a crucial role, with its lubrication characteristics greatly affect…

Asymmetric autoregressive models: statistical aspects and a financial application under COVID-19 pandemic Open

Yonghui Liu, Chaoxuan Mao, Víctor Leiva, Shuangzhe Liu, Waldemiro A. Silva Neto · 2021

In the present study, we provide a motivating example with a financial application under COVID-19 pandemic to investigate autoregressive (AR) modeling and its diagnostics based on asymmetric distributions. The objectives of this work are: …

Unified model of sediment transport threshold and rate across subaqueous bedload, windblown sand, and windblown snow Open

Thomas Pähtz, Yonghui Liu, Yuezhang Xia, Peng Hu, Zhiguo He , et al. · 2021

<p>Nonsuspended sediment transport (NST) refers to the sediment transport regime in which the flow turbulence is unable to support the weight of transported grains. It occurs in fluvial environments (i.e., driven by a stream of liqui…

Unified Model of Sediment Transport Threshold and Rate Across Weak and Intense Subaqueous Bedload, Windblown Sand, and Windblown Snow Open

Thomas Pähtz, Yonghui Liu, Yuezhang Xia, Peng Hu, Zhiguo He , et al. · 2021

Nonsuspended sediment transport (NST) refers to the sediment transport regime in which the flow turbulence is unable to support the weight of transported grains. It occurs in fluvial environments (i.e., driven by a stream of liquid) and in…

Experimental study on the applicable range of surfactant injection technology Open

Yonghui Liu, Pengbo Wu, Chengcheng Luo, Tong Liu, Jie Ni , et al. · 2020

In order to clarify the drainage effect of the foam drainage process under various flow patterns and effectively guide the well selection, we design a set of visual air-water-foam three-phase pipe flow simulation experimental apparatus. At…

Diagnostic Analytics for an Autoregressive Model under the Skew-Normal Distribution Open

Yonghui Liu, Guohua Mao, Víctor Leiva, Shuangzhe Liu, Alejandra Tapia · 2020

Autoregressive models have played an important role in time series. In this paper, an autoregressive model based on the skew-normal distribution is considered. The estimation of its parameters is carried out by using the expectation–maximi…

Unified model of sediment transport threshold and rate across weak and intense subaqueous bedload, windblown sand, and windblown snow Open

Thomas Pähtz, Yonghui Liu, Yuezhang Xia, Peng Hu, Zhiguo He , et al. · 2019

Nonsuspended sediment transport (NST) refers to the sediment transport regime in which the flow turbulence is unable to support the weight of transported grains. It occurs in fluvial environments (i.e., driven by a stream of liquid) and in…

Bridging aeolian and fluvial sediment transport thresholds: A generalised Shields curve from a periodic saltation model Open

Thomas Pähtz, Yonghui Liu, Peng Hu, Zhiguo He · 2019

Unified model of sediment transport threshold and rate across weak and\n intense subaqueous bedload, windblown sand, and windblown snow Open

Thomas Pähtz, Yonghui Liu, Yuezhang Xia, Peng Hu, Zhiguo He , et al. · 2019

Nonsuspended sediment transport (NST) refers to the sediment transport regime\nin which the flow turbulence is unable to support the weight of transported\ngrains. It occurs in fluvial environments (i.e., driven by a stream of liquid)\nand…

Large eddy simulation study on flow characteristics of ultrasonic heat meter at low Reynolds number Open

Yonghui Liu, Fengyan Yi, C.Z. Zhou, Li-li Tao · 2019

Ultrasonic heat meter is widely used in heat metering, and its measurement accuracy depends on the flow characteristics of the reflected channel. In this paper, LES (Large Eddy Simulation) method is used to calculate the flow field of the …

Study on the influence of reflecting channel position on flow velocity characteristics of ultrasonic heat meter Open

Yonghui Liu, Fengyan Yi, C.Z. Zhou, Li-li Tao · 2019

In this paper, LES (Large eddy simulation) method is used to study the influence of different channel positions on the flow velocity of the ultrasonic heat meter, and the variation of the average linear velocity of different channel with t…

Microstructure and properties of ductile iron bars for plunger pump prepared by horizontal continuous casting process Open

Chunjie Xu, Zhen Zhao, Yu Lei, Yonghui Liu, Zhongming Zhang , et al. · 2019

Ductile iron bars (DIBs) with a diameter of 145 mm, used for plunger pump production, were made by the horizontal continuous casting (HCC). The microstructure of the samples cut at three locations with different distances away from the sur…

A study on weight-on-bit data correction method of a near-bit measuring tool Open

Xiaofeng Xu, Yingfeng Meng, Yonghui Liu, Yueying Ji · 2019

The real weight on bit is difficult to observe or estimate in highly deviated wells and extended-reach wells since complex loads are acted on drill string. Near-bit measurement while drilling tools, which are generally used to address this…

Study on variability smoothing benefits of wind farm cluster Open

Xuemei Dai, Kaifeng Zhang, Jian Geng, Qianqian Liu, Ying Wang , et al. · 2018

Smoothing effect is an important characteristic of large scale wind power. In this paper we analyze the smoothing effect from the prospect of output variability. Specifically, the aggregated output variability of a wind farm cluster may be…

Numerical simulation of the drill string buckling behavior in horizontal wells considering the orthotropic friction Open

Jianxun Liu, Hualin Zheng, Yuchun Kuang, Xiaofeng Xu, Yonghui Liu · 2018

The effect of the friction between the drill string and the borehole on the drill string buckling behavior has not been fully understood. First, we treated the friction between the drill string and the borehole as the orthotropic friction,…

A new model for predicting critical gas velocity ofliquid loading in horizontal well Open

Yonghui Liu, Xianting AI, Chengcheng Luo, Fengwei Liu, Pengbo Wu · 2018

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