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- To derive the Bernoulli equation, we apply the work-energy theory to the fluid in a section of a flow tube. 我们应用功能原理来导出流体在一段流管流动的伯努利方程。
- "Shouli" chart, which reveals the rule of pump operation, is deduced using Bernoulli Equation as the first e-quation. 笔者用伯努利方程作为第一方程,推导出泵系统操作的“守力图”,揭示了泵系统操作的规律。
- The Bernoulli equation in hydromechanics and its application to flowrate testing has been discussed in this paper. 本文论述了流体力学中伯努利方程及其在流量测试中的应用。
- Integrating factor of Bernoulli equation is found, and the formula of its integral from is presented in the paper. 文章找出了贝努利(Bernoulli)方程的积分因子,给出了其积分形式的通解公式。
- By Bernoulli equation which analyzes actual fluid,we can disign heavy fluid pipe system that drains off polluted water. 通过分析实际流体的伯努利方程可在建筑中设计重力流排污水管系统;
- The result showed the experiment error was allowable to laboratory apparatus and proved Bernoulli equation. 结果显示:实验误差在设备装置允许的范围内,从而验证了柏努利方程。
- A gas-liquid two-phase flow ratio equation through Venturi tube is deduced based on the separated-phase model from the Bernoulli equation. 摘要从伯努利方程出发,基于分相流模型,推导出气液两相流流过文丘里管的流量公式。
- Calculation method of piston air induced by train motion in subway tunnels is derived based on fluid continuity equation and Bernoulli equation. 以流体连续性方程及伯努利方程为理论依据,针对地铁特点,推导得出隧道内列车活塞风的计算方法,并对影响活塞效应的因素做定性分析。
- Based on the Bernoulli equation, the thickness of thesilver paper could be controlled by adjusting the speed of the molten tin. 根据流体力学的伯努利方程,通过控制液态锡的流动速度来控制锡箔的厚度。
- This equation can sub- stitutes, previous methods based on the Bernoulli equation to analyze and calculate the dy-namic behavior of practical working process of the pump. 研究和计算结果表明,该方程全面地、接近实际地反映了往复泵工作过程中液体的动态特性,从而替代以往的、建立在伯努利方程基础上的往复泵液力系统、用于泵实际工作过程的动态特性分析计算方法。
- This paper introduces the new method to prove the Bernoulli equation by using the experimental equipment made by ourselves and analyses its experimental errors. 介绍了用自行研制的伯努利方程实验仪验证伯努利方程的新方法;给出了该实验依器验证伯努利方程的实验数据;并对其实验误差进行了分析.
- Proceeding from the viewpoint of two-phase flow,the Bernoulli equation for silt-laden water flow is derived, which reflects real mechanic characteristics of silt-laden water flow. 从两相流动观点出发,推导了含沙水流时的伯努利方程式,使其更能真实地反映含沙水流的力学特性;
- In this paper,using total differentiation method and variation of constants,we give general solution formula of Bernoulli equation with different methods. 本文使用全微分法和常数变易法,从不同角度给出伯努利方程通解的公式。
- By means of formula of orifice come out, Bernoulli equation, formula of discharge along way and law of lose, general group of equation of discharge flow was established. 运用孔口出流公式、伯努力方程、沿途泄流公式及损失规律,建立了泄流管路的通用方程组。
- On the basis of comparison of the Bernoulli equation and operating parameteres for clean water flow with those for silt-laden water flow,different features of energy transformation in clean water flow and silt-laden water flow are obtained. 经过与清水条件下的伯努利方程及工作参数进行对比分析,得出了清水与含沙水流能量转换的不同特点。
- Based on releasing rate of lagging displacement, the Bernoulli equation ofdisplacement rate for excavation work of tunnel, foundation pit etc. has been developed, aconverse curve of displacement ageing was obtained. 本文在提出滞后位移释放率的基础上,建立了基坑隧道等开挖工程的位移速度贝努利方程,从而得到位移时效反弯曲线。
- Bernoulli equation Was derived in quantum system in this a paper, further, it is explained that Bernoulli equation is correct not only for classical system but also for quantum system. 本文以量子体系为研究对象导出伯努利方程,从而说明了伯努利定理不仅适于经典体系,而且对量子体系仍然有效,具有普适性。
- But it will bring some error because of the change of inner energy in practical fluid flow calculation, it is necessary to discuss Bernoulli equation on its accuracy whether to meet the requirements. 但由于实际流体流动过程中有内能变化,计算时会带来一定的误差,因此有必要对柏努利方程能否满足工程对精度的要求进行论证。
- In this article, We give several kinds of special differential equations and obtain solving methods, generalized Bernoulli equation. 本文给出了几类特殊的常微分方程并提供了求解方法,推广了伯努利方程。
- A NEW METHOD TO PROVE BERNOULLI EQUATION 改进伯努利方程实验仪的原理及实验方法