|
|
|
|
|
Xing Wang, Yang Wu, Jie Cui, Chang-Qi Zhu and Xin-Zhi Wang
The particle shape of coral sand is a crucial factor that affects its accumulation characteristics. Two-dimensional particle images of coral sand with different particle sizes were obtained through optical imaging, and the basic size parameters of partic...
ver más
|
|
|
|
|
|
|
|
|
|
|
Weidong Cao, He Wang and Jian Tang
Guide vane submersible centrifugal pumps are a kind of submersible pump, and the fluid inside the pump is often mixed with gravel and other impurities during operation, affecting the pump?s operating efficiency and life expectancy. However, past studies ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Mohit Tunwal and Aaron Lim
The characterisation of particle shape is an important analysis in the field of sedimentary geology. At finer scales, it is key for understanding sediment transport while at coarser scales, such as boulders, it is vital for coastal protection. However, t...
ver más
|
|
|
|
|
|
|
|
|
|
|
Hamid R. Kaviani and Mohammad Moshfeghi
Blade optimization methods are crucial for wind turbine design. In this research, a new set of values for the parameters of the Particle Swarm Optimization (PSO) method is proposed, and its effects on the enhancement of the power generation of the NREL W...
ver más
|
|
|
|
|
|
|
|
|
|
|
Zeyang Zhou and Jun Huang
To study the influence of the tilt-back design of a vertical tail on its aerodynamic stealth characteristics, an optimization method based on a quantitative weight coefficient and a two-particle search algorithm is presented. When the aerodynamic perform...
ver más
|
|
|
|
|
|
|
|
|
|
|
Junjun Li, Jingyu Yang, Bowei Xu, Yongsheng Yang, Furong Wen and Haitao Song
Aimed to improve the efficiency of port operations, Shanghai Zhenhua Heavy Industries Co., Ltd. (ZPMC) proposed a new U-shape trafficked automated terminal. The new U-shape trafficked automated terminal brings a new hybrid scheduling problem. A hybrid sc...
ver más
|
|
|
|
|
|
|
|
|
|
|
Myeong-Seok Go, Shin-Mu Park, Do-Won Kim, Do-Soon Hwang and Jae Hyuk Lim
In this work, we generated a set of random representative volume elements (RVEs) of unidirectional composites considering actual noncircular cross-sections and positions of fibers with the aid of a shape-library approach. The cross-section of the noncirc...
ver más
|
|
|
|
|
|
|
|
|
|
|
Gun Park, Hyungchul Yoon and Ki-Nam Hong
When damaged by an earthquake, a general structure suffers only primary damage such as in the structure?s collapse, whereas a fluid storage structure can cause secondary damage such as environmental contamination or personal injury due to leakage of its ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Zhenhua Han, Luqing Zhang and Jian Zhou
Rock is an aggregate of mineral grains, and the grain shape has an obvious influence on rock mechanical behaviors. Current research on grain shape mostly focuses on loose granular materials and lacks standardized quantitative methods. Based on the CLUMP ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Kae Tsunematsu, Fukashi Maeno and Kouichi Nishimura
Snow avalanches are catastrophic phenomena because of their destructive power. Therefore, it is very important to forecast the affected area of snow avalanches using numerical simulations. In our study, we focus on applying a numerical model to snow aval...
ver más
|
|
|
|
|
|
|
|
|
|
|
Junjie Ye, Chenchen Chu, Zhi Zhai, Yongkun Wang, Baoquan Shi and Yuanying Qiu
This work improved upon an effective micromechanical method to analyze the mechanical properties of three-dimensional particle-reinforced composites (PRC) with consideration of the interfacial debonding. By incorporating the interfacial debonding model, ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Sandra Vázquez-Martín, Thomas Kuhn and Salomon Eliasson
We present ground-based in situ snow measurements in Kiruna, Sweden, using the ground-based in situ instrument Dual Ice Crystal Imager (D-ICI). D-ICI records dual high-resolution images from above and from the side of falling natural snow crystals and ot...
ver más
|
|
|
|
|
|
|
|
|
|
|
Muhammad Cahyono
This study proposes seven equations to predict the settling velocity of sediment particles with variations in grain size (d), particle shape factor (SF), and water temperature (T) based on the artificial neural network procedure. The data used to develop...
ver más
|
|
|
|
|
|
|
|
|
|
|
Shengbo Hu, Zhijun Li, Peng Lu, Qingkai Wang, Jie Wei and Qiuming Zhao
In their natural state, snow crystals are influenced by the atmosphere during formation and multiple factors after landing, resulting in varying particle sizes and unstable particle morphologies that are challenging to quantify. The current research main...
ver más
|
|
|
|
|
|
|
|
|
|
|
Junhua Wang, Junfei Xu, Yan Lu, Tancheng Xie, Jianjun Peng, Junliang Chen and Yanwei Xu
Laser?arc composite additive manufacturing holds significant potential for a wide range of industrial applications, and the control of morphological dimensions in the deposited layer is a critical aspect of this technology. The width and height dimension...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jaekyeong Jang, Uihwan Kim, Taehoon Kim and Younghak Cho
Recently, particle manipulation in non-Newtonian fluids has attracted increasing attention because of a good particle focusing toward the mid-plane of a channel. In this research, we proposed a simple and robust fabrication method to make a microchannel ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Thu Huynh Van, Sawekchai Tangaramvong, Soviphou Muong and Phuc Tran Van
This paper proposes the use of enhanced comprehensive learning particle swarm optimization (ECLPSO), combined with a Gaussian local search (GLS) technique, for the simultaneous optimal size and shape design of truss structures under applied forces and de...
ver más
|
|
|
|
|
|
|
|
|
|
|
Botond Szücs, Pál Szentannai
Pág. 188 - 194
In this work, lab-scale cold fluidization equipment is designed and constructed to investigate the mixing and segregating phenomena of binary fluidized beds. The focus of the investigation is carbon reduction with the fluidized bed technology-based Chemi...
ver más
|
|
|
|
|
|
|
|
|
|
|
Songqiang Xiao, Zhaolong Ge, Yiyu Lu, Zhe Zhou, Qian Li and Lei Wang
Water jet drilling (WJD) technology is a highly efficient method to extract coalbed methane from reservoirs with low permeability. It is crucial to efficiently remove the coal fragments while drilling. In this study, to disclose coal fragmentation featur...
ver más
|
|
|
|
|
|
|
|
|
|
|
Toni Holjevic, Sini?a Dru?eta, Luka Grbcic and Marta Alvir
Microplastics (MP) are found in nature in various forms. The transport and settling process of MP particles in water streams is highly influenced by particle size and shape. In order to investigate the impact of particle shape, an experimental analysis o...
ver más
|
|
|
|
|
|