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Oscar Scussel, Michael J. Brennan, Jennifer M. Muggleton, Fabrício C. L. de Almeida, Phillip F. Joseph and Yan Gao
In buried plastic water pipes, the predominantly fluid-borne wave is of particular interest, as it plays a key role in the propagation of leak noise. Consequently, it has been studied by several researchers to determine the speed of wave propagation and ...
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Ruoxuan Li, Bai-Qiao Chen and C. Guedes Soares
This paper focuses on the buckle propagation pressure of a pipe-in-pipe system under uniform external pressure. After the validation of the finite element model used in this research, several effects were studied. At first, the effects of the initial imp...
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Yi Wang, Jun Huang, Menglan Duan, Chengong Sun and Xiongfei Wang
Pipe-in-pipe (PIP) flowlines have been widely arranged in offshore oil and gas fields for transportation, to achieve a significant thermal insulation capacity and outstanding resistance to external loads. However, the lateral indentation mechanisms of th...
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Mohammad Damen Bani Fawwaz, Mohammad Najafi and Vinayak Kaushal
Pipeline asset management derives from pipelines? physical conditions, condition rating, and serviceability through investigating, monitoring, and analyzing the rupture history. The remaining asset life and structural condition of the pipeline network ru...
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Jianxing Yu, Fucheng Wang, Yang Yu, Xin Liu, Pengfei Liu and Yefan Su
This paper presents a full-scale deep-water steel catenary riser fatigue test system. The proposed system can carry out fatigue tests on steel catenary risers, hoses, and subsea pipelines up to 21 m in length, ranging from 8 to 24 inches in diameter. The...
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Zhen Li, Zijian Lin, Shilei Lyu, Zhiwei Wei and Heqing Huang
Research on tree-type irrigation pipe networks is an important component of agricultural water-saving projects. The optimal design of tree-type irrigation pipe networks is a key aspect regarding the profitability of irrigated agriculture. Meanwhile, swar...
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Andrii Zahorulko,Aleksey Zagorulko,Maryna Yancheva,Olena Dromenko,Mariana Sashnova,Kateryna Petrova,Lyudmila Polozhyshnikova,Nina Budnyk
Pág. 70 - 75
The result of improving the pasteurizer is a 6-fold decrease in the specific metal consumption by the device, in comparison with the basic design (26 kg/m2 versus 160 kg/m2). The duration of heating and pasteurization of drinking milk at a temp...
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Adel Eswiasi and Phalguni Mukhopadhyaya
Use of ground source heat pumps has increased significantly in recent years for space heating and cooling of residential houses and commercial buildings, in both heating (i.e., cold region) and cooling (i.e., warm region) dominated climates, due to its l...
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Hongyuan Fang, Peiling Tan, Xueming Du, Bin Li, Kangjian Yang and Yunhui Zhang
The high-density polyethylene (HDPE) double-wall corrugated pipe, which is a kind of flexible pipe, is widely used in municipal drainage networks. The characteristics of the surrounding soil and pipe bed, pipe cover depth, backfill compaction, type of pa...
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Yahui Gan, Jinjun Duan, Ming Chen and Xianzhong Dai
In this paper, the trajectory planning and position/force coordination control of multi-robot systems during the welding process are discussed. Trajectory planning is the basis of the position/ force cooperative control, an object-oriented hierarchical p...
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