自喷计算书,K1

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1、本文格式为Word版，下载可任意编辑自喷计算书,K1自喷计算书K=80计算原理参照《自动喷水灭火系统设计规范GB50084-2021》基本计算公式1.喷头流量q=KSQRT(10P)式中：q-喷头处节点流量，L/minP-喷头处水压，MPaK-喷头流量系数2.流速VV=(4Q)/(DjDj)式中：Q-管段流量L/sDj-管道的计算内径（m）3.水力坡降i=0.00107VV/(pow(Dj,1.3)式中：i-每米管道的水头损失（mH20/m）V-管道内水的平均流速（m/s）Dj-管道的计算内径（m

2、）4.沿程水头损失h=iL式中：L-管段长度m5.局部损失（采纳当量长度法）h=iL(当量)式中：L(当量)管段当量长度，单位m(《自动喷水灭火系统设计规范》附录C)6.总损失h=h(局)+h(沿)7.终点压力Hn=Hn-1+h第2页共2页本文格式为Word版，下载可任意编辑管段名称起点压力mH2O管道流量L/s管长m当量长度管径mmK水力坡降mH2O/m流速m/s损失mH2O终点压力mH2O1-27.001.112.700.8025800.5392.091.898.892-38.892.362.

3、702.1032800.5242.492.5111.403-411.403.781.802.7040800.6363.012.8614.268-97.111.122.900.8025800.5472.112.029.139-109.132.392.902.1032800.5352.522.6811.8110-411.813.831.002.7040800.6543.052.4214.234-514.267.613.303.7050800.6423.594.4918.7611-129.081.272

4、.700.8025800.6992.382.4511.5212-1311.522.692.702.1032800.6792.843.2614.7813-514.784.311.803.0040800.8253.433.9618.7414-159.241.282.900.8025800.7112.402.6311.8715-1611.872.722.902.1032800.6962.873.4815.3516-515.354.371.003.0040800.8503.483.4018.755-618

5、.7616.293.155.4080800.3103.282.6521.4117-1810.391.352.700.8025800.8002.552.8013.1918-1913.192.882.702.1032800.7773.043.7316.9219-616.924.611.803.0040800.9443.674.5321.4520-2110.551.362.900.8025800.8122.573.0113.5621-2213.562.912.902.1032800.7953.073.9

6、717.5322-617.534.671.003.0040800.9703.723.8821.426-721.4125.571.456.10100800.1752.951.3222.73计算结果:所选作用面积:161.1平方米总流量:25.57L/s平均喷水强度:9.52L/min.平方米入口压力:22.73米水柱第2页共2页