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Jhon Jairo Feria-Díaz, Felipe Correa-Mahecha, María Cristina López-Méndez, Juan Pablo Rodríguez-Miranda and Jesús Barrera-Rojas
Reverse osmosis is the leading technology for desalination of brackish water and seawater, important for solving the growing problems of fresh water supply. Thermal technologies such as multi-effect distillation and multi-stage flash distillation still c...
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Ming Yan, Chien Aun Chan, André F. Gygax, Jinyao Yan, Leith Campbell, Ampalavanapillai Nirmalathas and Christopher Leckie
Reducing the energy consumption of Internet services requires knowledge about the specific traffic and energy consumption characteristics, as well as the associated end-to-end topology and the energy consumption of each network segment. Here, we propose ...
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S. V. Raksha,O. S. Kuropiatnyk,O. L. Krasnoshchok
Pág. 60 - 71
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Zhao Ma, Junjie Ye, Xin Zhang and Wenhua Ye
To analyze the rock-breaking characteristics of an arcing-blade cutter in cutting red sandstone, a two-cutter cutting model was established based on the finite element method. Then, the cutting processes of the arcing-blade cutter at penetrations of 2 mm...
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Qianning Li, Xiaofei Cao, Xingxing Wu, Wei Chen, Chunbao Li and Xiaobin Li
An improved star-shaped honeycomb (ISSH) is a kind of honeycomb structure with excellent performance. The main objective of this study was to provide some ideas for the optimization of the ISSH structure in ships. As a result, 2D-ISSH specimens were fabr...
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Yingjie Wang, Qiang Tan, Desheng Wu, Hao Chen, Naikun Hu and Yuxuan Zhao
In the deep well drilling process in the Fukang Depression of the Eastern Junggar Basin, rock fracturing issues and low rate of penetration (ROP) have posed significant challenges to drilling efficiency. Accurate predictions of ROP prior to drilling are ...
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Han-eol Kim, Sang-gui Ha, Hafeezur Rehman and Han-kyu Yoo
Mechanical methods of tunnel excavation are widely used because of their high excavation output, and the selection of appropriate technology depends on ground composition and project-related features. Compared with tunnel boring machines (TBMs) and roadh...
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Zhao Xue, Jun Fu, Qiankun Fu, Xiaokang Li and Zhi Chen
Green forage maize harvesters face challenges such as high soil humidity and soft soil in the field, mismatched working parameters, and poor reliability and adaptability. These challenges often result in header blockage, significant harvest loss, and inc...
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Raman Devi, Vinay Kumar, Sunil Kumar, Mamta Bulla, Shruti Sharma and Ashutosh Sharma
MnO2 is the most favorable material in power storage due to its technological significance and potential applications in pseudocapacitance (due to various oxidative states allowing efficient charge transfer to meet energy demands), where its properties a...
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Han-eol Kim, Kyoung-min Nam, Hafeezur Rehman, Tae-su Kyeon and Han-kyu Yoo
Rock fragments obtained by excavation can provide information for evaluating the excavation efficiency, for which the coarseness index (CI) and particle size parameters (d50, dMPS, and d') are used. However, CI depends on the number and size of the sieve...
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Alina Girip, Razvan Calota and Anica Ilie
The paper presents a technical and economic analysis regarding the sandwich panels with polyurethane insulation layer (PUR) used in cold stores? construction. The authors determine the optimal thickness of the insulating layer (OIT) corresponding to the ...
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Juan Pablo Orozco-Muñiz, Tomas Salgado-Jimenez and Noe Amir Rodriguez-Olivares
The Variable Buoyancy System (VBS) is a critical device in the operation of underwater gliders that should be properly sized to achieve the required vehicle propulsion; safety within the operating range; and adequate efficiency at the nominal depth ratin...
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Hoyoung Jeong, Seungbeom Choi, Sudeuk Lee and Seokwon Jeon
Various numerical methods have been used to simulate the rock cutting process. Numerical simulation is a useful tool for estimating the performance of a cutting tool and for understanding the mechanism of rock cutting and interaction between a cutting to...
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Iman Babaei, Ravin Garg, Lorenzo Vigna, Davide Salvatore Paolino, Giovanni Belingardi, Lucio Cascone, Andrea Calzolari and Giuseppe Galizia
Despite superior specific mechanical characteristics of carbon-fiber-reinforced polymers (CFRPs), a lack of understanding of their fracture mechanisms under different impact conditions has limited the application of CFRP energy-absorbing structures. To a...
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Daniel Woldemariam, Andrew Martin and Massimo Santarelli
Exergy analyses are essential tools for the performance evaluation of water desalination and other separation systems, including those featuring membrane distillation (MD). One of the challenges in the commercialization of MD technologies is its substant...
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Ashlynn S. Stillwell and Michael E. Webber
Desalination is often considered an approach for mitigating water stress. Despite the abundance of saline water worldwide, additional energy consumption and increased costs present barriers to widespread deployment of desalination as a municipal water su...
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Ashlynn S. Stillwell, Michael E. Webber
Pág. 1 - 18
Desalination is often considered an approach for mitigating water stress. Despite the abundance of saline water worldwide, additional energy consumption and increased costs present barriers to widespread deployment of desalination as a municipal water su...
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So-Ryong Chae, Jin-Ho Chung, Yong-Rok Heo, Seok-Tae Kang, Sang-Min Lee and Hang-Sik Shin
In nutrient-sensitive estuaries, wastewater treatment plants (WWTPs) are required to implement more advanced treatment methods in order to meet increasingly stringent effluent guidelines for organic matter and nutrients. To comply with current and antici...
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A. Ya. Kulichenko,N. O. Kuzin,L. I. Vakulenko
Pág. 83 - 89
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K. O. Soroka,T. P. Pavlenko,D. A. Lychov
Pág. 77 - 91
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