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February 5, 2026AIP AdvancesOpen Access

A study on the synergistic effects of hydrogen blending ratio and inlet configuration on mixing characteristics and energy efficiency in pipelines

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Authors

YQYilong QiuHCHuiyu ChenHHHongfa Huang

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Overview

Numerical simulation evaluates mixing characteristics and energy efficiency in hydrogen-blended pipelines, suggesting design improvements.

Key Points

  • This research aims to analyze how different hydrogen blending ratios and inlet configurations affect energy efficiency and mixing in pipelines.
  • Used three-dimensional numerical simulation based on the Shear Stress Transport k–ω turbulence model
  • Examined hydrogen blending volume fractions ranging from 5% to 25%
  • Compared dual-pipe and quadruple-pipe inlet configurations
  • Quadruple-pipe configuration enhances mixing uniformity and reduces mixing distances at low to medium blending ratios
  • At blending ratios of 20% or higher, the dual-pipe structure leads to localized jet concentration and unstable flow
  • Quadruple-pipe structure reduces pressure drop by 32.7% at a 25% blending ratio, outperforming dual-pipe structure

Cite This Study

Qiu et al. (2026) studied this question.

synapsesocial.com/papers/698435aaf1d9ada3c1fb4bcfhttps://doi.org/10.1063/5.0310432
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