초록

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Abstract ▼ AI-Helper

Recently, the building has been higher and more complicated. High-rise buildings are more dangerous when fire occurs because of fast fire spreading through vertical space. This makes difficulty for fire fighter's moving when they suppress fire. The pump impeller will be obstacle when fire water is s...

Recently, the building has been higher and more complicated. High-rise buildings are more dangerous when fire occurs because of fast fire spreading through vertical space. This makes difficulty for fire fighter's moving when they suppress fire. The pump impeller will be obstacle when fire water is supplied from fire department connection, if the power is failure or the pump is breakdown. This study identifies the defect of fire department connection system and compensates that. It is verified the difference of flow rate and pressure in the case through pump impeller and in the case through bypass piping by test. Based on the result of this study, it suggest that the installation of bypass piping at the discharge side of pressurization pump have to be prepared in case of pressurization pump stopping.

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