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Wenzheng Zhang, Jiumao Cai, Guoliang Zhai, Lei Song and Mouchao Lv
The sand media filter is a crucial component of micro-irrigation filtration systems. Investigating the effects of various factors on filtration performance and the migration patterns of sediment particles within the filter can enhance the healthy operati...
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Joo-Hong Chung, Hyung-Suk Jung and Hyun-Ki Choi
In reinforced concrete (RC) structures, bond behavior between concrete and deformed steel bar (rebar) has a great effect on the structural behavior of members including voided slabs. According to previous research, bond behavior of a rebar in voided slab...
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Gillo Giuliano, Andrea Corrado and Wilma Polini
This paper presents a geometric algorithm to evaluate the thickness distribution through finite element modelling (FEM) of a sheet obtained through a forming process.
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Handan Huang, Li Jiang, Yiyun Yao, Zhong Zhang, Zhanshan Wang and Runze Qi
The laterally graded multilayer collimator is a vital part of a high-precision diffractometer. It is applied as condensing reflectors to convert divergent X-rays from laboratory X-ray sources into a parallel beam. The thickness of the multilayer film var...
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Manh Tien Nguyen, Truong An Nguyen, Duc Hoan Tran, Van Thao Le
Pág. 251 - 261
This work aims to optimize the process parameters for improving the wall thickness distribution of the sheet superplastic forming process of AA7075 alloy. The considered factors include forming pressure p (MPa), deformation temperature T (°C), and formin...
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Ben Wang, Xiuhua Fu, Shigeng Song, Hin On Chu, Desmond Gibson, Cheng Li, Yongjing Shi and Zhentao Wu
Optimization of thin film uniformity is an important aspect for large-area coatings, particularly for optical coatings where error tolerances can be of the order of nanometers. Physical vapor deposition is a widely used technique for producing thin films...
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Qiaoyan Ye and Karlheinz Pulli
This paper presents a numerical simulation of the spray painting process using a pneumatic atomizer with the help of a computational fluid dynamics code. The droplet characteristics that are necessary for the droplet trajectory calculation were experimen...
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Qiaoyan Ye and Karlheinz Pulli
This paper presents a numerical simulation of the spray painting process using a pneumatic atomizer with the help of a computational fluid dynamics code. The droplet characteristics that are necessary for the droplet trajectory calculation were experimen...
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Yunseon Choe, Hyeonuk Kim, Cheol Huh, Choong-Ki Kim, Meang-Ik Cho and Hyuek-Jin Choi
Recovery modeling and countermeasures for oil spilled at sea have been extensively researched, but research remains insufficient on recovery potential estimation methods. It is required to access the mechanical recovery potential by considering the relat...
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Xiaopeng Xie and Yinan Wang
This work aims to study the influence of the spraying parameters on the spray flow field and coating thickness distribution during the air spraying process. The shaping air pressure and the target geometry have an important influence on the distribution ...
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Sugie Prawono
Pág. pp. 65 - 72
Existing theories of stress distribution in a homogeneous soil do not consider the effect of soil density, even though the density test is always used to check the quality of compacted fill. It is always assumed that a surface load is distributed in the ...
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Cristian Rios-Escalante, Silvia Albán-Fernández, Rubén Espinoza-Rojas, Lorena Saavedra-Garcia, Noël C. Barengo and Jamee Guerra Valencia
The escalating prevalence of overall and abdominal obesity, particularly affecting Latin America, underscores the urgent need for accessible and cost-effective predictive methods to address the growing disease burden. This study assessed skinfold thickne...
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Kamil Bacharz, Wioletta Raczkiewicz, Magdalena Bacharz and Wioletta Grzmil
The article concerns the assessment of technical condition of the precast loggia wall in a large panel building after 25 years of use as well as the cause of its damage. As a result of the study, cracks and losses of the concrete cover were found. Corros...
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Julio C. Velázquez-Altamirano, Itzel P. Torres-Avila, Gerardo Teran-Méndez, Selene I. Capula-Colindres, Roman Cabrera-Sierra, Rafael Carrera-Espinoza and Enrique Hernández-Sánchez
The stochastic nature of the thickness of boride layers formed on carbon steel is described in this paper. Additionally, the probability distribution of the layer thickness is studied to determine the best-fit probability distribution. The study combines...
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Jianguo Zhang, Yongdong Wang, Ying Zhao, Xinwen Xu, Jiaqiang Lei, Shengyu Li
Pág. 1 - 13
Understanding the formation and spatial-temporal distribution of soil salt crusts (SSCs) is important for the sustainable management of the artificial shelterbelt and high-salinity groundwater utility in the Taklimakan Desert in Northwest China. The SSCs...
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Bingliu Wu, Ke Xu, Mingchang Yang, Zheng Dong, Jianwen Shao, Chuanqing Fu and Wenhao Ni
Reinforcement corrosion significantly impacts the service life of reinforced concrete structures. The present study investigates the circumferential and longitudinal non-uniformity of steel corrosion in concrete subjected to mechanical load. Results indi...
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Xianlei Fu, Maozhi Wu and Limao Zhang
This paper developed a data analysis approach to estimate the probabilistic life of an earth pressure balance (EPB) tunnel boring machine (TBM) under wearing conditions with incomplete information. The marginal reliability function of each system compone...
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Seunguk Na and Inkwan Paik
Rebar corrosion monitoring techniques have been used in studies involving embedded sensors that can detect changes in the corrosion currents and the polarization resistance of rebars in large structures. Defect detection methods that employ infrared came...
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Yongyong Li, Huili Gong, Lin Zhu and Xiaojuan Li
Beijing is located on multiple alluvial-pluvial fans with thick Quaternary unconsolidated sediments. It has suffered serious groundwater drawdown and land subsidence due to groundwater exploitation. This study aimed to introduce geographical distribution...
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Yongyong Li, Huili Gong, Lin Zhu, Xiaojuan Li
Pág. 1 - 17
Beijing is located on multiple alluvial-pluvial fans with thick Quaternary unconsolidated sediments. It has suffered serious groundwater drawdown and land subsidence due to groundwater exploitation. This study aimed to introduce geographical distribution...
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