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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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Yeweon Kim, Hye-Ry Shin, Su-hyun Oh and Ki-Hyung Yu
In this study, a comparative economic analysis was conducted for typical greenhouses, plant factories with natural and artificial light, and those with only artificial light, based on the insulation, artificial light, and photovoltaic (PV) installation c...
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Xiaoyu Liu, Chong Zhao, Hao Guo and Zhongcheng Wang
In order to investigate the effect of different influencing factors on the application of temperature differential power generation in the ship exhaust gas and to explore the potential of waste heat recovery and the utilization of exhaust gas during ship...
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André Luiz Missio,Darci Alberto Gatto,Gianluca Tondi
In a world seeking environmentally sustainable products, bio-resources are investigated as suitable replacements to oil-derived products. Tannin extracts represent one of the most abundant phenolic resources of the earth, with more than 200,000 T/year. T...
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Najmuddin Mohd Ramli
Pág. 23
The operation theatre has to maintain the temperature lower than the ambient condition which may result in condensation and lead to fungi problems. The aim of this research is to eradicate the fungi problems by analysing the effect on coating and insulat...
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Bo Gao, Rui Yu, Guangcai Hu, Cheng Liu, Xin Zhuang and Peng Zhou
The pressboard surface is the electric weak link of the oil-paper insulation in transformers, and long-term partial discharge (PD) erosion is the dominant cause of degradation in pressboard. To explore the development processes of surface tracking under ...
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Anna Kutovaya, Karsten F. Kroeger, Hannu Seebeck, Stefan Back and Ralf Littke
In the past two decades, numerical forward modeling of petroleum systems has been extensively used in exploration geology. However, modeling of petroleum systems influenced by magmatic activity has not been a common practice, because it is often associat...
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Qingguo Chen, Jinfeng Zhang, Minghe Chi and Chong Guo
An AC-DC combined voltage is applied to the oil-pressboard insulation near the valve side during the operation of a converter transformer. To study the breakdown characteristics of an oil-pressboard insulation under such voltages, a typical plate electro...
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Lefeng Cheng, Tao Yu, Guoping Wang, Bo Yang and Lv Zhou
This paper develops a novel dynamic correction method for the reliability assessment of large oil-immersed power transformers. First, with the transformer oil-paper insulation system (TOPIS) as the target of evaluation and the winding hot spot temperatur...
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Yunpeng Liu, Shuo Jiang, Xiaozhou Fan and Yuan Tian
With the development of fiber optic sensing technology, optical fiber sensors have been widely used in online monitoring of power transformers. To investigate the influence of aging fiber sheaths on transformer oil, two kinds of special optical fibers wi...
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