초록

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Abstract ▼ AI-Helper

In this paper, in order to evaluate performance of fire extinguishing of waterworks direct couple sprinkler system fire test was executed. The experimental result, when emission pressure of sprinkler head is 0.1 MPa and size of lumber clip is $450{\times}450{\times}320mm$, the fire became...

In this paper, in order to evaluate performance of fire extinguishing of waterworks direct couple sprinkler system fire test was executed. The experimental result, when emission pressure of sprinkler head is 0.1 MPa and size of lumber clip is $450{\times}450{\times}320mm$, the fire became completely the extinguishment, then a heat release rate is 250 kW. When emission pressure of sprinkler head is 0.2 MPa and size of lumber clip is $450{\times}450{\times}480mm$, the fire did not become the extinguishment and when emission pressure of sprinkler head is 0.3 MPa. the fire was soon extinguished. Then a heat release rate of fire source is 400 kW. As the result, when waterworks pressure of the general residence is 0.3 MPa, it could verify that the fire of a heat release rate 400 kW class goes out.

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