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Chinedu I. Ossai
Pág. 1 - 14
This study used Finite Element Modelling (FEM) to determine the relationship between the burst pressure (Pb) of internally, circumferentially corroded pipelines, with the corrosion defect depth (d), pipe wall thickness (t) and the pipe diameter (D). Afte...
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Chinedu I. Ossai
This study used Finite Element Modelling (FEM) to determine the relationship between the burst pressure (Pb) of internally, circumferentially corroded pipelines, with the corrosion defect depth (d), pipe wall thickness (t) and the pipe diameter (D). Afte...
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Hongzhen Zhu and Jianghai Wu
Pipelines are designed to carry seawater with hydrostatic pressure below sea level in the ship industry. Previously conducted studies have established the FSI (Fluid?Structure Interaction) equations for thin-walled, fluid-filled pipelines based on the Ti...
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Federico Ricci, Luca Petrucci, Francesco Mariani and Carlo Nazareno Grimaldi
The control of internal combustion engines is becoming increasingly challenging to the customer?s requirements for growing performance and ever-stringent emission regulations. Therefore, significant computational efforts are required to manage the large ...
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Zhan-Feng Chen, Hui-Jie Wang, Zhiqian Sang, Wen Wang, He Yang, Wei-Ming Meng and Yu-Xing Li
Cylindrical shells are principal structural elements that are used for many purposes, such as offshore, sub-marine, and airborne structures. The nonlinear mechanics model of internal blast loading was established to predict the dynamic blast pressure of ...
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Do-Young Kim, Chang-Hoon Sim, Jae-Sang Park, Joon-Tae Yoo, Young-Ha Yoon and Keejoo Lee
The internal pressure of a thin-walled cylindrical structure under axial compression may improve the buckling stability by relieving loads and reducing initial imperfections. In this study, the effect of internal pressure on the buckling knockdown factor...
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Mohammed Arab Fatiha, Benoît Augier, François Deniset, Pascal Casari and Jacques André Astolfi
In this work, a collaborative experimental study has been conducted to assess the effect an imposed internal pressure has on the controlling the hydrodynamic performance of a compliant composite hydrofoil. It was expected that the internal pressure toget...
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Tom Verstraete, Lasse Müller and Jens-Dominik Müller
The success of shape optimisation depends significantly on the parametrisation of the shape. Ideally, it defines a very rich variation in shape, allows for rapid grid generation of high quality, and expresses the shape in a standard Computer Aided Design...
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Tom Verstraete, Lasse Müller and Jens-Dominik Müller
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Yueyue Zhu and Cheng Liu
The internal water pressure condition influences the internal force of the circular hydraulic tunnel lining. However, calculating the lining?s internal force of this type of tunnel still lacks practical theory. Based on the modified routine method and th...
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Baoling Cui and Mingyu Shi
Centrifugal pumps are essential fluid transfer devices in marine engineering. As the two most critical components of a centrifugal pump, the dynamic?static interference between the volute and the impeller makes the flow near the cutwater highly unstable,...
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Ping Lou, Weixiong Huang and Xinde Huang
Research on tunnel excavation has rarely considered the effect of the tunnel excavation on a complete building. Therefore, this paper considered a building with a double basement and piles, and a three-dimensional finite-element model for shield tunnels ...
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Md. Meraz, Santosh Kumar, Ravi Prakash Singh
Pág. 351 - 369
In order to achieve crack free elliptical shape under controlled conditions, an experimental set-up was designed and fabricated. This setup consists of three hydraulic cylinders, an intensifier, a hydraulic power pack, storage tanks, forming die, and all...
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Wei Li, Mingjiang Liu, Leilei Ji, Yulu Wang, Muhammad Awais, Jingning Hu and Xiaoyan Ye
This paper presents the matching characteristics of impellers and guide vanes of high capacity and pressure seawater desalination pumps by using computational fluid dynamics (CFD). The single-stage pump is numerically calculated, and its external charact...
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Xijie Song, Chao Liu and Zhengwei Wang
The vortex in a pump sump is a negative problem for the pump unit, which can lead to the decline of pump performance. Focusing on the internal pressure characteristics of the floor-attached vortex (FAV) and its influence on the pump unit, the FAV was ana...
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Fan Yang, Pengcheng Chang, Yao Yuan, Na Li, Rongsheng Xie, Xiaowen Zhang and Zhikang Lin
Vertical axial flow pump device has the characteristics of large flow and low head, which is widely used in pumping station projects with head of 3?9 m. In order to study the influence of the timing effect of the impeller relative flow channel and guide ...
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Urban ?var Ba?kovic, Rok Vihar, Igor Mele and Toma? Katra?nik
An innovative computationally efficient method for the simultaneous determination of top dead centre (TDC) offset and pressure offset is presented. It is based on characteristic deviations of the rate of heat release (ROHR) that are specific for both off...
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Novita Puspasari,Meutia Karunia Dewi
Pág. 448 - 457
This study aims to examine the effect of government internal auditors moral levels and situational pressures on the tendency to commit fraud when conducting audit. Based on the hypothesis, despite the situational pressures, the government internal audito...
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Dianwicaksih Arieftiara,Pujiono Pujiono
Pág. 527 - 538
This research examinesfactors influence auditors, when they make ortake judgments duringaudit clients financial statement. Those factors were divided into two groups; environmentalfactors and auditor individual factors. Environmental factors are consists...
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Larysa Yuzevych,Larysa Yankovska,Lyubomyr Sopilnyk,Volodymyr Yuzevych,Ruslan Skrynkovskyy,Bohdan Koman,Lyudmila Yasinska-Damri,Nell? Heorhiadi,Roman Dzhala,Mykhailo Yasinskyi
Pág. 23 - 29
A new criterion of strength and a set of informative parameters have been devised for modelling the stressed-strained state (SSS) of the underground metal pipeline (UMP) taking into consideration the system of defects of the cavity type, atop of which th...
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