Shock-induced behavior in micron-sized water aerosols
Shock-induced behavior in micron-sized water aerosols
复制标题
微米级水气溶胶中的冲击诱发行为
DOI：
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发表时间：
2007
期刊：
影响因子：
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通讯作者：
R. Hanson
中科院分区：
文献类型：
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作者：
T. C. Hanson;D. Davidson;R. Hanson
我们已经开发了一套工具来研究冲击波背后的气溶胶。为了研究微米级气溶胶在激波作用下的时间历程，发展了Mie消光粒子尺寸诊断和计算模型，以及专门设计的方形激波管。这些工具对于使用激波管来研究低蒸气压力燃料的燃烧行为是至关重要的。虽然该设备是为研究反应系统而设计的，但我们首先测量了冲击波后面1-10μm范围内的水气溶胶的行为，冲击波的温度在450K到600K之间，压力在0.64atm到1.1atm之间。根据这些数据，我们确定了蒸发率，并找到了以D2蒸发率和修正函数的形式提供非连续蒸发率的关联式。
We have developed a suite of tools for studying aerosols behind shock waves. A Mie-extinction particle sizing diagnostic and a computational model, along with a specially designed square-section shock tube were developed to study the time-history of micrometer-sized aerosols behind shock waves. These tools are critically needed to pursue the use of shock tubes to study the combustion behavior of low-vapor-pressure fuels. While the facility is designed to study reactive systems, we began by measuring the behavior of water aerosols in the range of 1–10μm behind shock waves with temperatures between 450 and 600K and pressures between 0.64 and 1.1atm. From these data we determined evaporation rates and found a correlation that provides the noncontinuum evaporation rate in terms of the d2 evaporation rate and a correction function.