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标准地面小剖面
自由命令超过25View交通地图		 7点PST
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(计票出局)		 3点PCC
标准地面货运
自由命令超过25		 1:00PST
  • 卸载截取时间应用到批量项目请注意项目排列时前置时间
  • 周末或节日命令次商日处理
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    计算静态压力

    风扇从管道生成的压力通常很小精确测量静态预感对正确选播者至关紧要风扇系统静态压力通常小2'SP或0.072psi


    静态压力量风扇必须克服取决于管道工程的空气速度、管道旋转数(和其他阻抗元素)和管道长度设计得当并有足够的填充空气系统可使用下表指南估计静态压力

    *
    获取帮助计算管道压力
    *
    获取帮助计算相容压力
    静态压力

    * 星际项目表示字段需求

    静态压力指南

    非插件0.05到0.20

    装饰0.20至0.40/100尺管道(假设管道空气速度介于1,000至1800尺/分钟内)

    适配0.08乘以装配(elbow、寄存器、栅栏、damper、lover、管道转转接等)

    厨房hoodExhaust0.625到1.50

    重要点 :静态压力需求受到向一区提供充气量的重大影响充气增加静态压力并减少空气耗竭量记住,每立方英尺空气耗竭后,必须提供一立方英尺空气

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