射流式单重态氧发生器的气液两相耦合模型
Two-phase model of jet singlet oxygen generator
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摘要: 将气液两相耦合模型应用于射流式单重态氧发生器，通过数值模拟和实验的比较验证了该模型的可行性。分析了发生器工作参数对其动力学过程的影响，发现在保持其它参数不变的情况下，氯气和BHP溶液的相对浓度决定了发生器动力学过程的类型。给出了利用氯气吸收速率变化曲线判定发生器动力学过程类型的方法。在原有模型基础上考虑了热效应及其对模型参数的影响，计算了水蒸气的含量。模型改进后，模拟结果更接近于实验值。
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关键词:
- 射流式单重态氧发生器 /
- 气液两相耦合模型 /
- 数值模拟 /
- 热效应 /
- 水蒸气
Abstract: The two-phase model(TPM) is proved to be available in calculation of jet singlet oxygen generator(JSOG). The result of numerical simulation illustrates that the type of the generator kinetics is dependant on the relative concentration between chlorine and BHP, when the other parameters are fixed. An improved method determining the type of the generator kinetics by using the curve of chlorine absorption rate is presented. The TPM, including the thermal effect, could compute temperature and the fraction of water vapor. The results agrees with the experiment well.-
Key words:
- jet singlet oxygen generator /
- two-phase model /
- numerical simulation /
- thermal effect /
- water vapor
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