所提出的模型相似律得到了黄河高含沙洪水的验证。
The propsed similarity laws were examined using measurements from hyper-concentrated flood of th…
结果表明,由近似计算方法所得结果与实测数据和相似律结果一致。
The results show that the calculated results by this approximate method well agree with experiment data and law of similitude.
本文首先回顾了前人在河流悬移质泥沙模型相似律方面取得的大量研究成果。
This thesis reviewed at first the existing research results of the law of similarity for river models carrying sediment.
通过控制方程的相似律分析,可预言混合对流传热由阿基米德数和几何因子控制。
With similarity considerations on governing equations, the heat transfer of mixed convection can be predicted to be controlled by Archimedes number and geometric factors.
针对船舶耐撞特性研究问题的特点,提出进行结构碰撞相似律研究的必要性和重要性。
The necessity and significance of the analogue rule for ship structure collisions have been discussed based on the characteristic of this topic.
以水中有限长圆柱壳体为理论模型,用辐射声功率和辐射效率作为表征量导出了相似律。
Similarity rules were derived for a finite cylindrical shell, characterized by radiated sound power and radiation efficiency.
数值模拟结果表明,模拟弹与原型弹的成型符合相似律,其对钢靶的侵彻深度也满足模拟比。
The numerical results indicate that, the shaping of the prototype and the simulation EFP accord with the analogue rule, and the depth of penetration on steel target also satisfy simulation ratio.
如《诗经》中所涉及的鱼类多隐含生殖崇拜的寓意,这便是人们顺势巫术(相似律)心理下的产物;
Some works relating to fish in Book of songs convey a profound message about reproductionworship, which is the result of the sorcery mentality.
激光推进的能量相似律,指确定的激光能量有与之相对应的最佳喷管尺寸,使得冲量耦合系数最大且不变的规律。
Energy law of similitude for laser propulsion refers to the law that there is an optimum nozzle configuration for the largest value of impulse coupling coefficient at certain incident laser energy.
在满足相似律的条件下,通过输入不同地震波类型、频率、激振方向和振幅,系统地研究模型斜坡的地震动力响应特性。
Under the condition of similitude law, the seismic responses of model slopes are investigated with different input wave kinds, frequencies, excitation directions and amplitudes.
通过对在室内冰池进行的平台冰力模型试验中相似律、模型比尺选择、模拟冰条件以及冰力测量系统论述,证明了该项试验是可靠的和严密的。
The test is testified to be reliable and accurate by the description of scaling law of indoor ice pool platform model test, model scale choice, simulated ice conditions, and ice force measure system.
水泵装置在非最优工况下变速运行时,大流量侧装置性能参数按相似律换算误差变小,在小流量侧换算误差增大,最大相对误差达3.043%。
When the pump runs off the peak efficiency, the error of conversion method decreases in the large flow-rate region, while increases in the small flow-rate region, with a maximum error of 3.043%.
本文通过对炸药装药在火炮内发射的研究,建立能模拟火炮发射力学环境的装置及相应的研究炸药装药在膛内早炸的模拟弹,证实了装置模拟的可行性及模拟弹与实弹发射的相似律,从而建立起模拟实验系统。
Based on a study of an explosive charge launching in the gun, a device and the corresponding projectile that can simulate the mechanical environment of the cannon upon launching have been established.
先后完成的黄河花园口至东坝头河段1988年中水丰沙型洪水及“92.8”高含沙洪水验证试验结果表明,采用本文提出的模型相似律进行模型设计,模型水流运动、泥沙运动及河床演变规律,均与原型相似。
The test results of this model for the floods of 1988 and 1992 show that the flow pattern, the sediment movement and the channel deformation all conform very well with the field data of these floods.
使我们将分维概念从自相似和点集的几何性质,扩展到物理场的强弱区域有不同的标度,并将物理场的功率谱和分维、标度律联系起来。
The scaling is thus no longer confined to the notion of self-similarity nor to the geometric properties of sets of points. the weak and intense regions of physical fields have different scaling.
联想要遵循三条主要的联想规律,即接近联想律、对比(相反)联想律和相似联想律。
There are three principal laws of association to follow: close association, contrary association and similar association.
利用相似理论的知识分析了爆炸成形弹丸的穿甲模拟律问题,在此基础上,建立了爆炸成形弹丸的穿甲模拟律关系。
This paper analyses the geometrical analogue rules of explosively formed projectile (EFP) penetrating armours with the help of similarity theory, and establishes EFP penetrating armour simulation law.
利用相似理论的知识分析了爆炸成形弹丸的穿甲模拟律问题,在此基础上,建立了爆炸成形弹丸的穿甲模拟律关系。
This paper analyses the geometrical analogue rules of explosively formed projectile (EFP) penetrating armours with the help of similarity theory, and establishes EFP penetrating armour simulation law.
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