A general steady distributed parameters model of fin-and-tube heat exchanger with complex refrigerant circuits was developed based on two-phase fluid network.
基于两相流体网络，建立了针对具有复杂流路布置的翅片管换热器稳态通用分布参数仿真模型。
High acceleration and complex grain can both cause particles to aggregate highly in local part of SRM, thus form high-temperature and dense two-phase flow.
高过载或复杂装药都会引起凝相颗粒在固体发动机局部高度聚集，形成高温稠密两相流。
The results indicate that the presented method can work well in the simulation of the two-phase flows of the filling processes of three dimensional complex castings.
结果表明：投影。水平集方法能够较好地模拟三维复杂铸件充型过程的两相流动。
The frequency and amplitude and phase of discrete spectral lines can be calculated through two DFT analyses one after another, which is one complex time domain signal analysis virtually.
相继两次DFT分析（实为一次复时域信号分析）可精确确定诸分立谱线的频率、幅度与相位。
For the complex characters of two-phase flow, it's really difficult to accurately measure those flow parameters.
但由于流体流动特性的复杂多变，使得两相流参数检测难度较大。
We present a method for preserving time-invariant phase relationships, through introduce a third signal as a reference, when ratios are taken between two complex signals that are harmonically related.
本文阐述了在任意两个复信号谐波相关情况下，通过引入第三个复信号作为参考，使得在计算复信号比值时能保持时不变相位的计算方法。
However, the two-phase flow field in drip emitter is too complex to be characterized using analytical approach now.
然而，由于灌水器内固液两相流场的复杂性，目前很难用解析的方法来描述整个流场特性。
However, the two-phase flow field in drip emitter is too complex to be characterized using analytical approach now.
然而，由于灌水器内固液两相流场的复杂性，目前很难用解析的方法来描述整个流场特性。
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