1) meandering channel
曲流河道
1.
This paper, taking the depositional model and architecture model of meandering channel as a guideline, fully using the core, log, closely well spacing and so on, puts forward the researching methods of thin interbed architecture of meandering channel sandbody in.
单砂体内部薄夹层因规模小、薄、不稳定、参数与分布难于确定等,致使覆盖盆地单砂体内部薄夹层及其建筑结构研究较少且难度很大,为此,本文以曲流河道沉积、建筑结构模式为指导,充分利用岩芯、测井、密井网等油田现有资料,提出了‘一整套地下曲流河道单砂体内部薄夹层建筑结构研究方法’,特别是以‘侧积泥、侧积面、废弃河道的识别、恢复、测算;河道几何学、河流工程参数计算;建筑结构理论模式为基础的‘单一侧积泥岩薄夹层建筑结构参数(倾角、倾向、规模)三类13种提取方法’及薄夹层分布密度与河道侧积轨迹研究技术,为这一难题的解决提供了可行的思路与方法。
3) meander
[英][mi'ændə(r)] [美][mɪ'ændɚ]
曲流河曲
4) channel bend
弯曲河道
1.
To analyze the feature of dam-break flow in natural channel bends,channel-fitted orthogonal curvilinear coordinate system is established and two-dimensional shallow water equations are derived in this system through coordinate transformation,simplification and depth integration.
为分析溃坝波在天然弯曲河道中传播的特点,建立了跟踪河道走向的正交曲线坐标系,并通过坐标变换、简化和水深积分推导出了曲线坐标系下的二维浅水方程。
5) channel bends
弯曲河道
1.
A finite element, method was adopted for weighted convergent mass establishing 2-D flow mathematical model in flow simulation of channel bends, by which the flow pattern of middle and lower channel bends of Li River in the discharge of water transportation was simulated and the calculated results of which concerning water level, flow velocity and discharge were coincident well with measured data.
在弯曲河道的水流计算模拟中 ,用加权的质量集中有限元方法 ,建立了二维弯曲河道水流数学模型 ,模似了黎河中下游弯曲河段在输水流量下的流动形态 ,与实测水位、流速、流量资料相比完全吻合 ,提出弯曲河道护岸在水动力作用下的受力分析方法。
2.
In this paper, the bed form laws in channel bends are investigated.
本文对弯曲河道床面形态规律进行了较全面的理论分析与试验研究,给出了床面形态高度和波长的计算表达式,并用美国FallRiver原型观测资料进行了验证,结果令人满
6) meandering of river
河道蜿曲
补充资料:后曲
后曲
后曲 经穴别名。出《外台秘要》。即瞳子髎。见该条。
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