Under the experimental conditions of the study, pressure - drop type oscillation and thermal oscillation have been observed.

在该项研究的实验条件下，已经观察到压力降落型脉动和热力脉动。

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Based on the homogeneous model, the numerical computation for the oscillation period and amplitude of pressure drop type instability was conducted.

根据两相流的均相模型，对压力降型脉动的周期和振幅进行了数值计算。

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The pressure drop pulsation is analyzed by using a lumped parameter nonlinear model. The results show that the pressure drop type instability can be described by a second-order differential equation.

使用集总参数非线型模型来分析蒸发管中汽液两相流压力降型脉动，结果表明：压力降型不稳定性可以用二阶常微分方程来描述。

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"For our part, we have detected no significant drop because of that type of situation, " he said.

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