similarity law

Research on Similarity Simulation Experiment of Development Law of Mining-induced Overburden Stress

采动覆岩应力发展规律的相似模拟实验研究

The similarity law for real gas flow

真实气体流动的相似规律

According to the law of similarity of fan, the characteristic of long-distance tunneling ventilation was analyzed, and the energy consumption of variable frequency fan was described.

根据风杌的相似定律，阐述了特长隧道掘进通风的特性，详细分析了风机变频工作的能耗。

In order to quickly get the decision-making, vector cosine law is used for searching similarity cases. Compared to the use of words searching, it takes more less time to get the most similarity case.

为了快速得出决策，提出利用向量余弦法进行案例的相似度搜索，相比文字查询方法在时间上少了一个数量级。

Similarity Law in Simulation Test of Engineering Blasting

工程爆破模拟试验的相似律

Based on the simulation result, the similarity law of respective factor which has influenced cogging force and thrust characteristic is analyzed.

对比分析这些参数对齿槽定位力和推力特性影响的相似性规律。

From Similarity to Innovation The speed of gravity It is found that the bubble buoyancy velocity in model must obey the similarity law of gravity.

研究表明，若要求掺气水流的掺气浓度原、模型相似，并按重力相似律引伸，则掺气气泡的上浮速度应和水流流速一样满足重力相似律。

Research on Similarity Simulation Experiment of Development Law of Mining-induced Overburden Stress Overburden stress is calculated using the density logging data.

采动覆岩应力发展规律的相似模拟实验研究根据岩石密度测井资料计算了各个深度上静负载应力。

The current similarity law of model test for cooling water flow in pond is based on the principle of total heat balance, in which the flow structure is not taken into account.

我国现用的冷却池模型试验方法和模型与原体的水温换算关系，是由系统的总体热平衡关系求得的，没有考虑水流内部的运动关系。

New similarity law of hydraulic model test for cooling water flow in pond

冷却池试验模型律探讨

To these blasting hydraulic problems, in addition, the paper presents a feasible simulation method, which abides the law of gravity but ignores the similarity in blast dynamics.

文中还介绍了爆破水力学及试验模拟方法，确认忽略爆炸动力相似，按重力相似律进行模型设计是可行的。

Basing on the theory of similarity, the similarity law of model for homogeneous hyperconcentrated sediment flow in laminar regime in open channel has been studied and the expression of scale for similarity has been derived.

本文研究了明渠均质高含沙水流在层流区的模型律，导出了模型相似比尺表达式。