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Yong Zhu, Hong Su, Shengnan Tang, Shida Zhang, Tao Zhou and Jie Wang
Since the hydraulic axial piston pump is the engine that drives hydraulic transmission systems, it is widely utilized in aerospace, marine equipment, civil engineering, and mechanical engineering. Operating safely and dependably is crucial, and failure p...
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István Derzsi, János Takács
Pág. 156 - 163
At present times, in the context of rising fuel and energy prices the energy saving is very actual phenomenon. A better building insulation and the replacement of large transparent constructions will significantly reduce heat loss of the building. The hy...
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Enhanced heat transfer surfaces allow more energy-efficient, compact and lightweight heat exchangers. Within this study, a method for comparing different types of enhancement and different geometries with multiple objectives is developed in order to eval...
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Yu Wang, Changhong Li, Yanzhi Hu and Yonggang Xiao
Seepage failure in the form of piping can strongly influence the stability of block-in-matrix-soils (bimsoils), as well as weaken and affect the performance of bimsoil structures. The multiple-factor evaluation and optimization play a crucial role in con...
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Yu Wang, Changhong Li, Yanzhi Hu, Yonggang Xiao
Pág. 1 - 17
Seepage failure in the form of piping can strongly influence the stability of block-in-matrix-soils (bimsoils), as well as weaken and affect the performance of bimsoil structures. The multiple-factor evaluation and optimization play a crucial role in con...
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Daniel Jancarczyk, Ireneusz Wróbel, Piotr Danielczyk and Marcin Sidzina
Vibration monitoring is essential for maintaining the optimal performance and reliability of industrial machinery, which experiences dynamic forces and vibrations during operation. This study delved into a comprehensive analysis of vibration monitoring i...
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Yavar Jalili Kashtiban, Ali Saeidi, Marie-Isabelle Farinas and Javier Patarroyo
Erosional incidents have heightened the necessity of studies regarding rock mass erosion in unlined dam spillways. Enhanced comprehension of hydraulic erodibility necessitates an investigation into the geomechanical and hydraulic aspects of erosional phe...
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Manuel D?Angelo, Alessandro Menghini, Paolo Borlenghi, Lorenzo Bernardini, Lorenzo Benedetti, Francesco Ballio, Marco Belloli and Carmelo Gentile
The present study deals with the structural safety evaluation of a 50-year-old river bridge, called Baghetto Bridge, located in north Italy on the Adda River. Generally speaking, hydraulic processes are the main cause of bridge failure. Scour and hydrody...
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Thi Hoang Thao Nguyen, Sungwon Park, Dongmin Jang and Jungkyu Ahn
The main goal of this study was comparing the performance of an open-source code OpenFOAM and a commercial software Ansys Fluent in simulating the turbulent flow through a scour hole developed in a sand bed channel, which helps to give a hint in choosing...
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Marek Milanowski, Alaa Subr and Stanislaw Parafiniuk
The use of worn-out agricultural nozzles in pesticide application has a negative effect on the efficiency and cost of the application process. It also has an effect on environmental pollution due to an excessive amount of pesticide being applied when spr...
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Weiner Gustavo Silva Costa, Dario Cardoso de Lima, Heraldo Nunes Pitanga, Carlos Ernesto Gonçalves Reynaud Schaefer, Taciano Oliveira da Silva, Claudio Henrique de Carvalho Silva (Author)
Pág. e35052
The present study evaluated the influence of the hydraulic gradient on soil conductivity changes using data from permeability tests performed in a column percolation test system, in order to represent geoenvironmental engineering applications. A mature r...
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Weiner Gustavo Silva Costa, Dario Cardoso de Lima, Heraldo Nunes Pitanga, Carlos Ernesto Gonçalves Reynaud Schaefer, Taciano Oliveira da Silva, Claudio Henrique de Carvalho Silva
Pág. e35052
The present study evaluated the influence of the hydraulic gradient on soil conductivity changes using data from permeability tests performed in a column percolation test system, in order to represent geoenvironmental engineering applications. A mature r...
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Xiyun Yang, Jinxia Li, Wei Liu and Peng Guo
Based on an analysis of the working principles of the hydraulic variable pitch system of a wind turbine, a novel Petri net model and reliability evaluation method are proposed. First, Petri net theory is adopted to build a model for each discrete state o...
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Zhengxian Zhang, Weiping Wang, Shisong Qu, Qiang Huang, Shuai Liu, Qiaoyi Xu and Ludong Ni
Investigating the hydraulic connectivity of a complex karst aquifer system is an important research topic for sustainable operation and optimization layout of karst groundwater exploitation and recharge. However, the identification of preferential sites ...
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Dein Shaw, Jyun-Jhe Yu and Cheng Chieh
This paper presents the design of a highly efficient pneumatic motor system. The air engine is currently the most generally used device to convert potential energy of compressed air into mechanical energy. However, the efficiency of the air engines is to...
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Sotirios Nik. Longinos, Azza Hashim Abbas, Arman Bolatov, Piotr Skrzypacz and Randy Hazlett
Research of microstructure and permeability evolution of coal following LN2 treatment elucidate the process of cryogenic fracturing due to environmentally friendly behavior in comparison with conventional hydraulic fracturing. The evolution of the 2D mic...
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Aristeidis Kastridis and Dimitrios Stathis
In this paper, three different flash floods episodes were analyzed, which occurred in October 2006, February 2010, and June 2018 in the Chalkidiki peninsula (North Greece). The Soil Conservation Service (SCS) model and a revised assessment of the CN para...
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Yehia Miky, Usama Hamed Issa and Wael Elham Mahmod
Controlling the hydraulic heads along a coastal aquifer may help to effectively manage saltwater intrusion, improve the conventional barrier?s countermeasure, and ensure the coastal aquifer?s long-term viability. This study proposed a framework that util...
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Andrea Gioia
This work investigates the routing effect provided by an artificial reservoir to a double-peak flood of a given return period. The present paper introduces a dimensionless form of the reservoir balance equation that describes the hydrologic-hydraulic pro...
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Andrea Gioia
Pág. 1 - 12
This work investigates the routing effect provided by an artificial reservoir to a double-peak flood of a given return period. The present paper introduces a dimensionless form of the reservoir balance equation that describes the hydrologic-hydraulic pro...
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