# User:Bill Flanagan/docs/Rankine–Hugoniot equation

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Jump to: navigation, search This article may be too technical for most readers to understand, and needs attention from an expert on its subject. Please expand it to make it accessible to non-experts, without removing the technical details. A schematic of a standing shock wave with the density ρ, velocity u, and temperature T in each region described by the Rankine–Hugoniot equations.

The Rankine–Hugoniot equation governs the behaviour of shock waves normal to the oncoming flow. It is named after physicists William John Macquorn Rankine and Pierre Henri Hugoniot, French engineer, 1851-1887.