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火灾测试
相关语句
  fire test
     Large eddy simulation of temperature field and velocity field in standard fire test room
     标准火灾测试房间温度场和速度场的大涡模拟
短句来源
     In order to probe into the fire development and smoke movement in a single room,the temperature field and velocity field in standard fire test room were simulated by the means of large eddy simulation(LES). Large eddies were simulated directly,while small scale eddies were modeled by subgrid-scale turbulent model.
     为探索单个房间内的火灾发展和烟气流动,采用大涡模拟(LES)方法,对大尺度涡进行直接数值模拟,对小尺度涡采用亚格子应力模型处理湍流,计算了标准火灾测试房间内的气流流动,得到了其温度场和速度场.
短句来源
  相似匹配句对
     Test
     测试
短句来源
     A postbeamformer adaptive noise cancelling system
     编址火灾报警系统的测试
短句来源
     Discussion on the method of measurement for flow velocity of fire smoke
     浅论火灾烟气流速的测试方法
短句来源
     VALUE-ADDED TESTING
     增值测试
短句来源
     ⑦ fire hazard.
     ⑦火灾
短句来源
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  fire test
As one fire test on a slab showed an unexpected shear failure of a glued laminated timber beam, a series of tests was carried out to study the shear behaviour of different types of adhesives at high temperatures.
      
The first part of the paper describes the results of the shear tests at elevated temperatures, in the second part the shear test results are compared to the fire test on a slab.
      
Some tropical fast-growing woods were converted to edge-jointed lumber, and their fire-retardant properties due to chemical coating were evaluated using cone calorimetry and a standard fire test.
      
Though a similar trend was seen, the fire-retardant properties of the lumber revealed by the cone calorimeter test were inferior to those seen with standard fire test.
      
The insulators are urethane foams and were subjected to simulated and actual instantaneous fire test conditions.
      
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In order to probe into the fire development and smoke movement in a single room,the temperature field and velocity field in standard fire test room were simulated by the means of large eddy simulation(LES).Large eddies were simulated directly,while small scale eddies were modeled by subgrid-scale turbulent model.The numerical results agreed well with the experimental data obtained two-dimensional laser Doppler velocity measurement and fine heat-couples with the exception of the region near the ceiling.Numerical...

In order to probe into the fire development and smoke movement in a single room,the temperature field and velocity field in standard fire test room were simulated by the means of large eddy simulation(LES).Large eddies were simulated directly,while small scale eddies were modeled by subgrid-scale turbulent model.The numerical results agreed well with the experimental data obtained two-dimensional laser Doppler velocity measurement and fine heat-couples with the exception of the region near the ceiling.Numerical results show that there are obviously stratified phenomena in both temperature and velocity field,and that the buoyancy caused by the density variation is the main driving force for the gas movement.Renormalization Group(RNG) Subgrid-Scale turbulent model gives good performance in fire simulation(using) LES technique.

为探索单个房间内的火灾发展和烟气流动,采用大涡模拟(LES)方法,对大尺度涡进行直接数值模拟,对小尺度涡采用亚格子应力模型处理湍流,计算了标准火灾测试房间内的气流流动,得到了其温度场和速度场.模拟结果与采用二维多普勒激光测速仪和精细热电偶的试验数据相比较,除房间顶部外,模拟结果与试验数据吻合.模拟结果表明,房间内存在较大的温度梯度,温度场分层明显,密度差造成的浮力是气流运动的主要驱动力;重整化群(RNG)的亚格子应力模型适用于火灾的大涡模拟.

 
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