Results 11 to 20 of about 364,533 (266)

Performance evaluation and comparison of commonly used optimization algorithms for natural gas liquefaction processes

Energy Reports, 2022
The genetic algorithm (GA), particle swarm optimization (PSO) algorithm, and BOX algorithm have been used in natural gas liquefaction process optimization.
Heng Sun, Jinliang Geng, Fengyi Na, Guangxin Rong, Chao Wang   +4 more
doaj   +1 more source

Distributed Bio-Oil Reforming [PDF]

, 2005
A PowerPoint presentation given as part of the 2005 Hydrogen Program Review, May 24, 2005, in Washington, D.C.
R. J. Evans, S. Czernik, R. French, K. Magrini   +3 more
openaire   +1 more source

Thaw Characteristics of Soil around Buried Pipeline in Permafrost Regions Based on Numerical Simulation of Temperature Fields

Journal of Thermal Science and Technology, 2012
The freezing-thawing processes of the soil around the buried oil and gas pipelines in permafrost regions due to the effect of the pipe and atmospheric environment may bring about dangers to the pipelines as frost heave and thaw settlement occur and go on,
Zaiguo FU, Bo YU, Jie ZHU, Wang LI
doaj   +1 more source

Dynamic Prediction of Natural Gas Calorific Value Based on Deep Learning

Energies, 2023
The natural gas quality fluctuates in complex natural gas pipeline networks, because of the influence of the pipeline transmission process, changes in the gas source, and fluctuations in customer demand in the mixing process.
Jingjing Hu, Zhaoming Yang, Huai Su
doaj   +1 more source

Numerical Simulation on Flow Field of Oilfield Three-Phase Separator

Journal of Applied Mathematics, 2013
The conventional measurement method can no longer guarantee the accuracy requirement after the oilfield development entering high water cut stage, due to the water content and gas phase in the flow.
Yong-tu Liang, Sheng-qiu Zhao, Xia-xue Jiang, Xian-qi Jia, Wang Li   +4 more
doaj   +1 more source

A New Lumped Parameter Model for Natural Gas Pipelines in State Space

Energies, 2018
Many algorithms and numerical methods, such as implicit and explicit finite differences and the method of characteristics, have been applied for transient flow in gas pipelines.
Kai Wen, Zijie Xia, Weichao Yu, Jing Gong   +3 more
doaj   +1 more source

Hydraulic Transients Induced by Pigging Operation in Pipeline with a Long Slope

Journal of Applied Mathematics, 2013
Pigging in pipelines basically performs operations for five reasons including cleaning the pipe interior, batching or separating dissimilar products, displacement, measurement, and internal inspection. A model has been proposed for the dynamic simulation
Tao Deng, Jing Gong, Haihao Wu, Yu Zhang, Siqi Zhang, Qi Lin, Huishu Liu   +6 more
doaj   +1 more source

Overall optimization of coal-to-oil supply chain

You-qi chuyun, 2020
With the continuous enhancement of people's environmental awareness and policy requirements as well as the increasing demand for oil, vigorously developing coal-to-oil technology is of strategic importance to ensure the energy security, adjust and ...
Rui QIU, Yongtu LIANG, Zhigang DUAN, Kaiqi WANG, Xingyuan ZHOU, Yueyue FENG, Haoran ZHANG   +6 more
doaj   +1 more source

A Reliability Assessment of the Hydrostatic Test of Pipeline with 0.8 Design Factor in the West–East China Natural Gas Pipeline III

Energies, 2018
The use of 0.8 design factor in Chinese pipeline industry is a breakthrough with the success of the test pipe section in the west–east China gas pipeline III. For such a design factor, the traditional P-V (Pressure-Volume) curve based pressure test
Kai Wen, Lei He, Weichao Yu, Jing Gong
doaj   +1 more source

Research progress of properties of wax deposit in waxy crude oil pipeline

You-qi chuyun, 2021
Wax deposition is the most serious problem influencing the flow of waxy crude oil in pipelines. Thus, study on the properties of wax deposit is of great significance to ensure the safe operation of crude oil pipeline.
Xuedong GAO, Cong WANG, Xun ZHANG, Yu ZHANG, Qiyu HUANG, Qi WANG   +5 more
doaj   +1 more source