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Ying Wu, Changhai Yu, Zhiyong Qin, Wentao Wang, Zhijun Zhang, Rong Qi, Ke Feng, Lintong Ke, Yu Chen, Cheng Wang, Xiaojun Yang, Yuxin Leng, Jiansheng Liu, Ruxin Li and Zhizhan Xu
We experimentally demonstrated the generation of narrow energy-spread electron beams with enhanced energy levels using a hybrid laser-plasma wakefield accelerator. An experiment featuring two-color electron beams showed that after the laser pump reached ...
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Qi Ping, Shiwei Wu, Xiangyang Li, Yijie Xu, Jing Hu and Shijia Sun
The aim of this study was to examine the effects of sandstone ring specimens with different inner diameters on dynamic compression mechanical characteristics after dry and wet circulation. To carry out our study, we subjected a sandstone ring specimen wi...
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Ximei Wei, Meng Wang, Hongwen Zhang, Lei Wang, Xintian Du, Lixin Chen and Shaohua Zhi
Machine-harvested seed cotton was taken as the research object to further clarify its creep performance, minimize its power consumption during the loading process, and obtain a better loading method. The uniaxial compression creep test was carried out us...
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Zhiqi Wang, Xufei Gong and Xuebin Gu
To study the mechanical properties and energy evolution characteristics of the shallow fractured coal in the Western China mining area, a series of triaxial compression tests was carried out on fractured coal specimens. The stress?strain curve, mechanica...
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Semyon A. Vorobyov,Tatyana ?. Prikhodko
Pág. 22 - 30
The fact that people are equipped with smartphones and smartphones are equipped with a variety of different sensors and various communication protocols allows them to be used as ad-hoc network nodes for solving public sensing problems. Public sensing (PS...
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S. Tangwe, K. Kusakana
Air source heat pump (ASHP) water heaters are efficient devices for sanitary hot water heating. The coefficient of performance (COP) of the air to water heat pump (AWHP) is constantly lower than that of the corresponding ASHP unit. The study focused on d...
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Serhii Korniievych,Vitaly Zhelezny,Olga Khliyeva,Mykola Shymchuk,Natalya Volgusheva
Pág. 55 - 62
The optimal choice of compressor oil and the use of nanoparticles as additives are a promising way to improve the efficiency of vapor compression refrigeration systems. The main barrier for the practical implementation of this approach in the industry is...
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Ray-I. Chang, Yu-Hsien Chu, Lien-Chen Wei and Chia-Hui Wang
Emerging IoT (Internet of Things) technologies have enjoyed tremendous success in a variety of applications. Since sensors in IoT consume a lot of energy to transmit their data, data compression used to prolong system lifetime has become a hot research t...
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Shang Yang, Jun Wang, Jianguo Ning and Pengqi Qiu
To investigate the effect of the pure coal/rock strength on the mechanical behavior, failure behavior, and energy evolution of coal-rock combined (CRC) specimens, an AG-X250 Shimadzu Precision Universal Test was used to conduct uniaxial compressive loadi...
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Diyuan Li, Zhi Sun, Quanqi Zhu and Kang Peng
The specific application or a potential application of the work is related to deep mining and tunneling engineering.
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Stephen Loh Tangwe, Michael Simon, Russel Mhundwa
Renewable energy technologies that can provide optimum and cost-effective energy savings to mitigate global warming, energy crisis and to achieve energy efficiency continue to be of paramount importance. The present study focused on identifying critical ...
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Nyoman P. Sastra,W Wirawan,Gamantyo Hendrantoro
Pág. 146 - 154
Wireless Visual Sensor Network (WVSN) is a system that consists of visual sensor nodes with an embedded processor. WVSN devices have limited resources of energy, computation capability, memory, and bandwidth. Due to these limitations the implementation o...
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Chenglin Tao, Zhao Wang, Zeliang Liu, Yuan Wang, Xin Zhou, Xi Liang and Huijian Li
In this paper, a new hybrid structure of body-centered cubic lattice-filled thin-walled tube is designed, and the hybrid structure specimens of one-piece printing and split-printing are prepared by laser melting technique. The deformation mode and energy...
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Wanqi Wang and Wenge Qiu
Large deformations can easily occur when tunneling through weak surrounding rock with high underground stresses. Under high-stress environments, the surrounding rock stores a large amount of strain energy, and the strain energy stored in the soft and wea...
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Chengyu Li, Cong Luo and Aizhu Zhu
This paper proposes a new type of steel slip-friction column base connections with arc end-plates. Two arc end-plates of the steel column base, which can slide between each other to some extent, were set at the position where the column base is subject t...
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Jian Feng, Shuo Wang, Marco Meloni, Qian Zhang, Jingwen Yang and Jianguo Cai
This paper presents an experimental investigation of the seismic performance of interior beam?column joints with beams reinforced with Grade 600MPa longitudinal steel bars. Six full-scale reinforcement concrete (RC) interior joints are designed with diff...
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Mingzhi Wang, Junchao Zhang and Weidong Wang
The design of lightweight lattice structures with excellent specific mechanical properties has received great attention in recent years. In this paper, inspired by the hierarchical structure of biological materials, a novel hierarchical circular-cell con...
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Morteza Ghanbarpour, Adrián Mota-Babiloni, Bassam E. Badran and Rahmatollah Khodabandeh
The phase-down of hydrofluorocarbons and substitution with low global warming potential values are consequences of the awareness about the environmental impacts of greenhouse gases. This theoretical study evaluated the energy and exergy performances and ...
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Ming Ji and Hongjun Guo
During loading and unloading test, various rocks manifest different stress values of elastic-plastic transformation. This study proposes to include axial pressure increment ratio in the conventional triaxial compression test to evaluate different variabl...
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Alexander A. Ryabov, Evgeny E. Maslov, Dmitry Y. Strelets and Vladimir G. Slobodchikov
A complex modeling technique is presented in this paper for a numerical analysis of compressed stiffened composite panels with impact damage. The numerical technique is based on the LS-Dyna code application, which simulates both the dynamic deformation o...
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