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- It is assumed that the free surface is rigid, and this corresponds to the low Froude number maneuvers in calm water. 自由表面假定为固化平面,这与静水中低佛鲁德数操纵情况相符。
- It is believed that the great turbulent energy at low Froude numbers acting on the downstream river bed is the main cause of the erosion The length of river bed to be protected downstream of a stilling basin is recommended. 认为较大紊动能的频繁作用是造成下游河床冲刷破坏的主要因素,并提出消力池下游最需要保护的河段长度。
- Maximum Post-Jump Height of Hydraulic Jump Wave in Low Froude Number 低佛氏数水跃跃后最大波高的研究
- Numerical simulation of turbulence flow for the still basin with opposed jet flow under low Froude number 低佛氏数对冲式消力池紊流水流的数值模拟
- Numerical simulation of turbulence flow for the still basinwith opposed jet flow under low Froude number 低佛氏数对冲式消力池紊流水流的数值模拟
- The hydraulic and aeration characteristics of low Froude number flow over a step aerator 低Fr数流动跌坎掺气槽的水力及掺气特性
- low Froude number 低佛氏数
- The argument hangs around what is known as a Froude number. 问题就在于那个著名的“弗鲁德值”。
- Experimental Studies on the Frequency Properties of the Fluctuating Pressure in Stilling Basins with Lower Froude Number 低佛洛德数消力池水流脉动压力频率特性的试验研究
- The hydraulic jump can be distinguished using the Froude number. 进一步研究表明,河槽束狭加大涨潮流速,河床淤浅则减缓潮波传速。
- Furthermore, the Froude number and density Froude number of the. 提出模型中弗劳德数和密度弗劳德数必须同时与原型相等。
- In low water head hydraulic constructions,a common hydraulic problem is energy dissipation for small Froude number water flow because the energy dissipation is less efficient. 低水头闸坝工程的一个普遍水力学问题是低佛氏数水流的消能防冲,其特点是消能率低,为达到较好的消能效果,常常要在消力池加一些辅助消能工程。
- The critical state of flow is defined as the condition for which the Froude number is equal to unity. 将弗氏标数等于1的情况规定为流动的临界状态。
- There exists a maximum drag-coefficient in the drag curves corresponding to a critical Froude number. 与深度的关系是在跃层以上阻力系数最大,在跃层中心阻力系数最小,下层中随着深度的增大而减小。 内波频率对阻力系数影响不大,但存在某一共振频率使得阻力系数增大。
- The Froude number of flow is the factor of flow status: supercritical flow or subcritical flow. 由流体流动的福劳德数可以确定流动的缓急程度。
- The volume of aeration was affected by the Froude number and the height of the cavity pocket at the back of the gate. 门后通气量主要受上游来流的弗劳德数和门后空腔相对高度的影响。
- If the Froude number exceeds 0.5, then it is more efficient to run than to walk. 如果佛氏数大于0.;5,那么奔跑比行走更有效率。
- The results showed that the effects of Froude number and the dimensionless height of ... 研究结果表明,弗鲁德数及无因次装料高度对最大扭矩与瞬时扭矩的比率及平均功耗有显著的影响。
- It shows that the depth rise and maximum width of backflow zone depend on froude number and bend angle. 根据能量和动量守恒原理,导出了计算上游水位壅高和下游回流区最大宽度的理论关系式,并用室内实验结果进行了验证。
- Finally,the uncertainties of the form factor(1+k),Froude number(Fr),and the breakwater resistance of the ship model were analyzed. 文中还对该船模的形状因子(1+K)、傅汝德数(Fr)以及水状态(破水阻力R)进行了不确定度分析;并给出了分析的结果.