Line Corporation (Japan)

Development of natural gas quality tracking technology: From steady-state simulation to intelligent hybrid modeling

With the creation of China’s National Integrated Pipeline Network and the transition to natural gas energy measurement, quality fluctuations caused by multisource gas mixing pose severe challenges to trade fairness and pipeline network safety. As a key technology for achieving ac...

A dynamic graph convolutional network with multiscaled attention for traffic prediction

Purpose Traffic flow prediction is vital for highway road planning and congestion alleviation. Nevertheless, highway traffic forecasting faces difficulties caused by complex spatio-temporal properties. Existing graph-convolution-based prediction approaches cannot sustain stable s...

High-performance computing in the hydrosciences

This paper provides an overview of High Performance Computing (HPC) in the hydrosciences. It begins with the development of HPC architectures and performance as well as with the expansion of application fields over the last decades. Subsequently, four HPC application cases are pr...

Dynamic pressure control and GA-based PID optimization study of fuel supply system for methanol-fueled ships

The search for clean alternative fuels to replace conventional high-emission marine fuels is a pressing issue in the context of carbon neutrality. Methanol, owing to its ability to be stored at ambient temperatures, is considered one of the promising substitutes for traditional f...

Numerical simulation for improving condensate gas reservoir recovery by CO₂ injection and geological storage

Abstract This study aims to explore the feasibility of CO₂ geological sequestration in reducing the greenhouse effect during the efficient utilisation of CO₂. This article completed the analysis of the potential for hydrocarbon recovery by CO₂ injection, discussed the mechanisms...

Experimental study of the startup and heat-transfer performance of a novel two-phase closed thermosyphon with an internal phase-separation structure

Two-phase closed thermosyphons (TPCTs) are widely used as active cooling devices in permafrost engineering. Countercurrent transport of rising gas and returning liquid through a shared flow channel can impede working-medium circulation and constrain heat-transfer performance. Thi...

Sensor-Based Tracking and Localization of In-Line Inspection Tools in Oil and Gas Pipelines: A Review

Accurate tracking and localization of in-line inspection (ILI) tools are essential for mileage calibration, defect mapping, and blockage prevention in oil and gas pipelines. This review summarizes sensor-based approaches for external ILI-tool localization, emphasizing how sensing...