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CFD modeling of chemical reactors: Single-Phase Complex Reactions and Fine-Particle Production

Liu, Y. (author), Tang, Q. (author), Fox, R.O. (author)

Computational fluid dynamics (CFD) is a useful tool for modeling chemical reactors. However, because the design goals and expected outcomes are different than in "traditional'' CFD applications, chemical reactors require special attention to the treatment of chemical reactions, and heat and mass transfer. Here we provide an overview of the...

conference paper 2006

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BQC: A new multi-GNSS data quality checking toolkit

Liu, H. (author), Tang, G. (author), Imparato, D. (author), Cui, H. (author), Song, B. (author), Rizos, C. (author)

Multi-GNSS networks, for example M-GEX and iGMAS, are set up and grow quickly with the development of new navigation systems and multi-GNSS receivers. It is unavoidable that GNSS signals are deteriorated by several error sources. Thus GNSS network operators, data users and receiver designers all require data quality checking (QC). However, few...

conference paper 2014

document

Time-dependent mechanical and transport behaviors of Callovo-Oxfordian argillite

Liu, Z. (author), Shao, J. (author), Tang, Y. (author)

An experimental study was carried out on the time-dependent mechanical and transport behaviors of the Callovo-Oxfordian (Cox) argillite, the geological barriers for high-level radioactive waste disposal in France. Six coupled one-step creep tests under the same confining pressure 6MPa and different deviatoric stresses were proposed to...

conference paper 2016

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Finite Element Analysis of Power Module Packages with One-step Molding for Power Inductors

Li, Xiao (author), Tang, Jiuyang (author), Zhao, Jiayan (author), Li, Jinbing (author), Zhang, Kouchi (author), Liu, Pan (author)

With the development of 5G communication technology and the rise of power semiconductors, the switching frequency of the circuit keeps increasing, which pushes for miniaturization of power modules and related components. Therefore, in this paper, a one-step molding technology was proposed for a DC/DC buck converter power module. We proposed a...

conference paper 2022

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An end-to-end geometric deficiencies elimination algorithm for 3D meshes

Ma, Bingtao (author), Liu, Hongsen (author), Nan, L. (author), Tang, Xu (author), Fan, Huijie (author), Cong, Yang (author)

The 3D mesh is an important representation of geometric data. It is widely used in computer graphics and has attracted more attention in computer vision community recently. However, in the generation of mesh data, geometric deficiencies (e.g., duplicate elements, degenerate faces, isolated vertices, self-intersection, and inner faces) are...

conference paper 2021

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Experimental investigation of nonlinear dynamic tension in mooring lines

Zhang, Su-xia (author), Tang, You-gang (author), Liu, Xi-jun (author)

journal article 2012

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Analysis of heave motions of a truss spar platform semi-closed moon pool

Liu, Liqin (author), Incecik, A. (author), Zhang, Y. (author), Tang, Y. (author)

journal article 2014

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The effect of the standing angle on reducing fatigue among prolonged standing workers

Liu, Zhihui (author), Wang, Li (author), Kong, Fanlei (author), Huang, Xia (author), Tang, Zhi (author), He, Shi (author), Vink, P. (author)

BACKGROUND: Many occupations require workers to stand for prolonged periods, which can cause discomfort, pain and even injures. Some supermarkets in life provide a foot pad for checkout staff to let them stand on it at work, thereby reducing standing fatigue caused by standing for a long time. The inclined platform is the same as the foot pad...

journal article 2021

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Analysis and Mitigation of Biases in Greenland Ice Sheet Mass Balance Trend Estimates From GRACE Mascon Products

Ran, Jiangjun (author), Ditmar, P.G. (author), Liu, Lin (author), Xiao, Yun (author), Klees, R. (author), Tang, Xueyuan (author)

Mascon products derived from Gravity Recovery and Climate Experiment satellite gravimetry data are widely used to study the Greenland ice sheet mass balance. However, the products released by different research groups—JPL, CSR, and GSFC—show noticeable discrepancies. To understand them, we compare those mascon products with mascon solutions...

journal article 2021

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On the magnetic nanoparticle injection strategy for hyperthermia treatment

Jiang, Qian (author), Ren, Feng (author), Wang, Chenglei (author), Wang, Zhaokun (author), Kefayati, Gholamreza (author), Kenjeres, S. (author), Vafai, Kambiz (author), Liu, Yang (author), Tang, Hui (author)

We developed a dedicated computational framework by coupling the lattice-Boltzmann-method (LBM) modeling and the particle-swarm-optimization (PSO) algorithm to search optimal strategies of magnetic nanoparticle (MNP) injection for hyperthermia-based cancer treatment. Two simplified tumor models were considered: a circular model representing...

journal article 2022

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Prediction of River Pollution Under the Rainfall-Runoff Impact by Artificial Neural Network: A Case Study of Shiyan River, Shenzhen, China

Tian, Zhan (author), Yu, Ziwei (author), Li, Yifan (author), Ke, Q. (author), Liu, Junguo (author), Luo, Hongyan (author), Tang, Yingdong (author)

Climate change and rapid urbanization have made it difficult to predict the risk of pollution in cities under different types of rainfall. In this study, a data-driven approach to quantify the effects of rainfall characteristics on river pollution was proposed and applied in a case study of Shiyan River, Shenzhen, China. The results indicate...

journal article 2022

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A Single-Stage Three-Mode Reconfigurable Regulating Rectifier for Wireless Power Transfer

Liu, Shurui (author), Lu, T. (author), Tang, Z. (author), Chen, Zhiyuan (author), Jiang, Junmin (author), Zhao, Bo (author), Du, S. (author)

In this article, we propose a reconfigurable regulating rectifier with a wide operational range for wireless power transfer. The proposed three-mode rectifier achieves a broad range voltage regulation without global loop control to minimize the chip area occupation. Compared with previous work, more working modes and greater voltage gain...

journal article 2023

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A highly selective and stable ZnO-ZrO₂ solid solution catalyst for CO₂ hydrogenation to methanol

Wang, Jijie (author), Li, G. (author), Li, Zelong (author), Tang, Chizhou (author), Feng, Zhaochi (author), An, Hongyu (author), Liu, Hailong (author), Liu, Taifeng (author), Li, Can (author)

Although methanol synthesis via CO hydrogenation has been industrialized, CO₂ hydrogenation to methanol still confronts great obstacles of low methanol selectivity and poor stability, particularly for supported metal catalysts under industrial conditions. We report a binary metal oxide, ZnO-ZrO₂ solid solution catalyst,...

journal article 2017

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Moisture source variations for summer rainfall in different intensity classes over Huaihe River Valley, China

Liu, Yubo (author), Zhang, Chi (author), Tang, Qiuhong (author), Hosseini-Moghari, Seyed Mohammad (author), Haile, Gebremedhin Gebremeskel (author), Li, Laifang (author), Li, Wenhong (author), Yang, Kun (author), van der Ent, R.J. (author), Chen, Deliang (author)

Rainfall is one of the most influential climatic factors on regional development and environment, and changes in rainfall intensity are of specific concern. In the Huaihe River Valley (HRV), heavy rainfall is a primary trigger of floods. However, the difference in the origin of moisture contributed to heavy rainfall and light rainfall is...

journal article 2021

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Simultaneous photocatalytic and microbial degradation of dye-containing wastewater by a novel g-C₃ N₄ -P₂₅ /photosynthetic bacteria composite

Zhang, Xinying (author), Wu, Yan (author), Xiao, Gao (author), Tang, Zhenping (author), Wang, Meiyin (author), Liu, Fuchang (author), Zhu, X. (author)

Azo dyes are very resistant to light-induced fading and biodegradation. Existing advanced oxidative pre-treatment methods based on the generation of non-selective radicals cannot efficiently remove these dyes from wastewater streams, and post-treatment oxidative dye removal is problematic because it may leave many byproducts with unknown...

journal article 2017

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Lanthanide-doped NaYF₄ near-infrared-II nanothermometers for deep tissue temperature sensing

Yuan, Xiangyang (author), Cui, Endian (author), Liu, K. (author), Jiang, Ying (author), Yang, Xiaoyan (author), Tang, Jianfeng (author), Yang, Lu (author), Liao, Xiaoling (author), Zhao, Yanan (author)

In this work, different lanthanides (Tm³⁺, Er³⁺; Yb³⁺, Ho³⁺, Nd³⁺) were doped into NaYF₄ via a high-temperature coprecipitation method, and followed by SiO₂ coating to improve the water dispersibility, resulting in NaYF₄:Tm³⁺, Er³⁺...

journal article 2022

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Exploring the driving factors of construction industrialization development in China

Xiahou, Xiaer (author), Yuan, Jingfeng (author), Liu, Y. (author), Tang, Yuchun (author), Li, Qiming (author)

Construction industrialization (CI) has been adopted worldwide because of its potential benefits. However, current research shows the incentives for adopting CI may differ in different regions. While the promotion of CI in China is still at the initial stage, a systematical analysis of the driving factors would help decision makers get a...

journal article 2018

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A Facile Surface Reconstruction Mechanism toward Better Electrochemical Performance of Li₄Ti₅O₁₂ in Lithium-Ion Battery

Qian, Kun (author), Tang, Linkai (author), Wagemaker, M. (author), He, Yan Bing (author), Liu, Dongqing (author), Li, Hai (author), Shi, Ruiying (author), Li, Baohua (author), Kang, Feiyu (author)

Through a facile sodium sulfide (Na₂S)-assisted hydrothermal treatment, clean and nondefective surfaces are constructed on micrometer-sized Li₄Ti₅O₁₂ particles. The remarkable improvement of surface quality shows a higher first cycle Coulombic efficiency (≈95%), a significantly enhanced cycling...

journal article 2017

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Finite element modeling and analysis of ultrasonic bonding process of thick aluminum wires for power electronic packaging

Tang, Jiuyang (author), Li, Liangtao (author), Zhang, Kouchi (author), Zhang, Jing (author), Liu, Pan (author)

Ultrasonic wedge bonding of aluminum (Al) wires is a widely applied interconnect technology for power electronic packaging. The joint quality of the wedge bonding is mainly affected by the process parameters and material properties. Inappropriate process parameters will lead to failure modes such as chip surface pit, metal layer peeling off,...

journal article 2022

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SlimML: Removing Non- critical Input Data in Large-scale Iterative Machine Learning

Han, Rui (author), Liu, Chi Harold (author), Li, Shilin (author), Chen, Lydia Y. (author), Wang, Guoren (author), Tang, Jian (author), Ye, Jieping (author)

The core of many large-scale machine learning (ML) applications, such as neural networks (NN), support vector machine (SVM), and convolutional neural network (CNN), is the training algorithm that iteratively updates model parameters by processing massive datasets. From a plethora of studies aiming at accelerating ML, being data...

journal article 2019