Numerical simulation study on the damage characteristics of water jet impact in drill holes with gangue coal rock.

Sci Rep · 2025 · PMC12137702 · PMID 40467590

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a decreasing trendno p-value reported

At the beginning of the water jet front-end particles contacting the coal rock, the particle impact velocity all showed a decreasing trend, and then the particle velocity rose and experienced a small fluctuation trend after the peak value.

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