1) thermo-acoustic combustion instability
热声耦合振荡
2) coupled oscillation
耦合振荡
1.
The law about coupled oscillation in the resonance is revealed.
对共振现象中的耦合振荡规律进行了探讨,并用数学方法解释了耦合振荡的特点,通过Laplace变换得出耦合振荡规律的数学描述,指出耦合弹簧振子与耦合LC电路有相同的变化规律。
2.
A mathematical description is reached, of the law and rule about coupled oscillation through applying the Laplace transformation method.
用Laplace变换方法得出耦合振荡规律的数学描述,并用数学方法分析了耦合振荡现象中的特点,论述了耦合振荡中能量的传递。
4) thermoacoustic oscillation
热声振荡
1.
Two of visual thermoacoustic oscillation demonstrators are introduced.
介绍制作的2套可视化型的热声振荡演示装置。
2.
Based on the model, autoregressive power spectrum of the system sound time series is obtained and analysis to its frequency characteristics are presented, which leads to the observation of “frequency combination effect” of subcooled boiling thermoacoustic oscillation.
在此基础上得到系统声压波动时序的自回归功率谱并分析其频谱特性;发现了管内欠热沸腾热声振荡的“频率聚合”特性;近似验证了系统“声放大”区的存在。
5) coupled mode
耦合振荡模
6) uncoupled oscillations
解耦合振荡
补充资料:热声振荡液面计(thermalacousticoscillationlevelgauge)
热声振荡液面计(thermalacousticoscillationlevelgauge)
一根细金属管上部封闭,把它做成一喇叭口,口上蒙一橡胶薄膜(或金属薄膜),另一端开口。当上端处于室温,下端接近低温液体时,由于低温气体不断进入开口的管子向上运动到热端,受热膨胀而形成纵向的振荡称之为热声振荡,在开口端经过低温液体时,可在喇叭口的振荡膜上感受到振荡有一个突变,用它可以测得液氢或液氦的液面高度。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条