|
Based on the ε-NTU method, numerically simulates the refrigerant circuitry of the condensers with 2 to 4 rows of tubing and analyses the characteristics of the heat transfer and flow.
|
|
|
摘要运用分布参数模型对2~4排管冷凝器的流程布置方式进行了模拟计算，并对其换热和流动特性进行了分析和研究。 |
|
Based on theoretical analysis, microbubble drag reduction is due to structure change of turbulent boundary layer caused by the microbubbles.Experiments testify microbubble drag reduction for turbulent boundary layer, as well as bubble size,main flow veloc
|
|
|
理论分析提出微气泡降阻机理在于其引起湍流边界层结构的变化；实验证明了微气泡对湍流边界层的降阻作用以及气泡尺度、主流速度等对降阻作用的影响；数值方法利用适当的流场模型、湍流模型和差分格式，模拟边界层和气泡数等对降阻的影响。 |
|
Based on theoretical study, concerned conalusions are reached.
|
|
|
在理论分析的基础上，得出了有关的结论。 |
|
Based on there main types, different flavor types are produced by imitating, consulting and fusion of each other.
|
|
|
在三大基本香型的基础上，相互模仿、借鉴、融合产生出多种香型。 |
|
Based on there studies, a new temperature compensation method is proposed to stabilize the resonant frequency of a rectangular resonant cavity.
|
|
|
根据热双金属材料的温度特性，本文提出了一种稳定谐振腔谐振频率、对谐振腔进行温度补偿的方法。 |
|
Based on thermodynamics, effects of constituent fluctuations on nucleation is studied and testified in this paper.
|
|
|
笔者以形核热力学为基础，讨论了外来成分起伏对钢液形核的影响，并通过实验进行了难证。 |
|
Based on these and other experiments and field observations from the 1990s, geologists now think that the Bishop tuff—and probably most other supererupted debris—was expelled in a single event lasting a mere 10 to 100 hours.
|
|
|
根据这些实验，以及自1990年代就开始进行的野外观察，目前地质学家认为，毕夏普凝灰岩是一次持续约10~100小时的喷发而形成，其他大多数的超级喷发很可能也是如此。 |
|
Based on these approaches, we developed a semi-automatic system for ontology integration.
|
|
|
以此为基础,开发了一个半自动化的本体整合系统。 |
|
Based on these concepts, strategic and tactic deep-penetrating new geochemical techniques have been developed.
|
|
|
在这些新概念的基础上发展了战略性与战术性的深穿透地球化学新技术。 |
|
Based on these experimental values, the hydrodynamic forces are identified by a general regression neural network (GRNN) over a wide range of attack angles.
|
|
|
利用这些试验值，GRNN神经网络方法可以辨识出大攻角范围内的水动力函数。 |
|
Based on these features and varieties, it explores the possibility to obtain patent for fundament research achievement and analyses the effects form this obtainment.
|
|
|
根据这些特点与变化，探讨了基础研究成果获取专利的现实性和可能性，并对基础研究成果获取专利带来的效应作出分析。 |
