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momentum conservation是什么意思,momentum conservation的意思翻译、用法、同义词、例句

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常用词典

  • [力] 动量守恒

  • 例句

  • A droplet size and velocity distribution function was theoretically derived based on the maximum entropy principle and the momentum conservation law.

    应用最大熵原理和动量守恒定律,从理论上建立了喷雾液滴尺寸和速度联合分布函数。

  • The formula of stress on the projectile is obtained from relation of momentum conservation on the wavefront and continuum condition of the surface of projectile.

    利用波阵面上的动量守恒关系和弹体表面的运动规律,得到了有别于国内外的作用在弹体表面的应力表达式。

  • In this poper, an experimental method which can be used to quantitatively test the Angular Momentum Conservation Law is presented.

    本文提出了一种可以定量验证刚体角动量守恒定律的实验方法。

  • Taking rocket launch as an example, the motion instantaneity of momentum conservation problems was discussed in the paper.

    以火箭推进等问题,论述动量守恒问题中运动的瞬时性。

  • We exploit the energy and momentum conservation laws in this way.

    我们就是这样利用能量和动量守恒定律的。

  • Just imagine, having discovered the Law of Momentum Conservation, how could he have succeeded in establishing the Three Laws of Motion if he had simply taken pride in his past achievement ?

    试想一下,发现了动能守恒定律之后,如果他仅仅为过去的成就而骄傲,怎么可能成功的发现力学三定律呢?。

  • Based on the contacting mechanics and momentum conservation law, impact effect of great blocks in debris flow to controlling structures was analyzed.

    同时利用接触力学及动量守恒原理,分析了泥石流中大石块对防治结构的冲击作用。

  • Based development of physics history, We explain the development of momentum conservation in the physics and it is universality in nature.

    本文根据物理学的发展历史,说明了动量守恒概念的发展及其在自然界中的普适性。

  • A partial differential equation on momentum thickness is derived from unsteady mass and momentum conservation equations in integrating form on boundary layer of the tube.

    它是通过在膛壁边界层建立非稳质量守恒和动量守恒方程的积分式,而获得有关动量厚度的偏微分方程;

  • With the relationship of the system linear and angular momentum conservation, a system dynamics model was established by Lagrangian formulation.

    结合系统线动量及角动量守恒关系,通过拉格朗日法建立了系统的动力学模型。

  • In this paper, a distributed parameter model of room air-conditioner adiabatic capillary was developed, on the basis of mass-energy conservation and momentum conservation.

    本文根据质量守衡、能量守衡、动量守衡原理,建立了房间空调器绝热毛细管的分布参数模型。

  • In this chapter we develop the implication's of momentum conservation in the motion of a collection of particles.

    在本章中,我们要揭示一个质点集体作运动时动量守恒的含义。

  • Based on momentum balance and the law of momentum conservation, two new graphic methods are developed to determine the pre-impact vehicle momentum or collision speed in this paper.

    本文根据动量平衡和动量守恒定律的基本原理,提出了两种推算碰撞前汽车动量或碰撞速度的图解方法。

  • The Momentum Conservation Law and the Angular Momentum Conservation Law, which are two basic laws in the physics, are key points in both middle school teaching and college teaching.

    动量守恒定律、角动量守恒定律是物理学的基本规律。在中学和大学的物理教学中,它们都是教学的重点。

  • Based on the law of momentum conservation, the mathematics patterns of front collision and vertical side collision of motorcycles and motor vehicles are developed.

    根据动量守恒定律,建立了摩托车与汽车正面碰撞及直角侧面碰撞的数学模型。

  • The adiabatic capillary tube model was established based on energy conservation , mass conservation and momentum conservation equations.

    基于能量守恒、动量守恒、质量守恒方程,建立描述绝热毛细管特性的数学模型。

  • Based on the model to calculate mixture loss, a new calculation model of pressure drop for stratified flow in horizontal wellbore has been developed by applying the momentum conservation equation.

    在混合损失计算模型的基础上,应用动量守恒原理推导出了新的水平井筒气液两相分层流型压降计算模型。

  • A mathematical model for the trajectory of the jet axis was proposed on the principle of momentum conservation.

    以动量守恒原理为基础,建立了侧吹射流轴轨迹的数学模型。

  • Based on the laws of energy conservation and momentum conservation, the mass-speed equation is derived through Lorentz transformation.

    从能量守恒和动量守恒出发,通过洛仑兹变换,推出了质量-速率关系式。

  • The three-dimensional particle-wall collision mathematical models were founded in the light of the kinetic of rigid and the momentum conservation law, and the effects of wall on the f.

    文中根据刚体动力学及动量守恒定理,建立起颗粒–壁面碰撞三维数学模型,并采用此三维数学模型研究了壁面约束效应对细长颗粒流化特性的影响。

  • A continuity wave model is put forward for the dispersion process of liquid-liquid two-phase system, by coupling mass and momentum conservation equations of two-fluid model.

    以双流体模型为基础,通过质量守恒方程和动量守恒方程的耦合,提出了液液两相系中弥散传质的连续波模型。

  • The law of momentum conservation could supplant Newton's third law.

    我们就是这样利用能量和动量守恒定律的。

  • It is important to realize that momentum conservation applies even to inelastic collisions, in which the kinetic energy is not conserved.

    必须记住,动量守恒甚至对于非弹性碰撞也是成立的,尽管这时动能已不守恒。

  • The article deduces the general expression for the recovery coefficient in solution of dynamic collision, based on on-dimension face-to-face collision and law of particle momentum conservation.

    从一维正碰着手,应用质点动量定律,推导出力学碰撞问题中恢复系数的一般表达式,为我们正确理解恢复系数,解决与此相关的问题提供理论支持。

  • Due to total angular momentum conservation about the system centre of mass, a torque-free spacecraft system with space manipulators becomes the nonholonomic control system.

    自由漂浮空间机械臂系统在无外力矩作用时,系统的动量矩守恒而成为非完整系统。

  • According to the momentum conservation law, the dynamic equations of dual-arm space robot system were established through Lagrange equation of the second kind.

    依据系统动量守恒关系和拉格朗日第二类方程,推导了漂浮基双臂空间机器人系统的动力学方程。

  • Strictly speaking, the sumo wrestler will make a slightly louder sound because of momentum conservation, but the difference will be small, in spite of the fact that his arm may be 20 times heavier.

    严格说来,因为动量守恒的原因,相扑选手会弹出稍大的音量,但这个差异非常小,虽然他的手臂应该比六岁小孩的手臂重20倍吧!

  • Through air-floating platform simulating momentum conservation system, a method of coupling testing angular momentum based on the combination of moment of inertia and angular velocity is presented.

    利用单轴气浮平台模拟动量守恒系统,对转动部件角动量进行耦合测量,可对转动部件输出力学特性进行评估。

  • According to the moment of momentum conservation and force-balance, the algebraic equation is obtained to seek the solution of the orbital parameters of the system after deployment and cut-off.

    根据动量矩守恒和力平衡方程得到一代数方程,用于求解系统展开及剪断后的轨道参数。

  • 专业解析

    动量守恒是物理学中的核心定律之一,指封闭系统内总动量在不受外力作用时保持恒定。该定律由牛顿运动定律推导而来,是经典力学的重要基础,适用于宏观和微观尺度的物理现象。

    一、基本原理与数学表达

    动量守恒成立的前提是系统所受合外力为零。根据牛顿第三定律,系统内部物体间的相互作用力(如碰撞力)成对出现且大小相等、方向相反,因此内部作用不会改变系统总动量。其数学表达式为: $$ sum vec{p}{text{初}} = sum vec{p}{text{末}} $$ 其中$vec{p} = mvec{v}$代表动量,$m$为质量,$vec{v}$为速度矢量(参考来源:美国物理学会《物理评论》期刊)。

    二、典型应用场景

    1. 碰撞分析:例如台球碰撞时,碰撞前后的总动量守恒,可通过测量速度变化反推质量或速度(参考来源:HyperPhysics教育平台)。
    2. 火箭推进:火箭通过向后喷射物质获得向前的动量,遵循动量守恒原理。
    3. 粒子物理:在高能粒子对撞实验中,通过检测产物动量验证基本相互作用规律(参考来源:欧洲核子研究中心CERN官网)。

    三、扩展意义

    该定律与能量守恒、角动量守恒并称物理学三大守恒定律,在工程学、天体力学等领域有广泛应用。例如航天器借助“引力弹弓”效应改变轨道时,动量守恒帮助计算行星与航天器的速度交换关系(参考来源:NASA戈达德太空飞行中心技术文档)。

    网络扩展资料

    动量守恒(momentum conservation)是物理学中的基本定律之一,描述了一个孤立系统中总动量保持恒定的现象。以下是详细解释:

    1.定义

    动量守恒定律指出:当系统不受外力作用(或外力合力为零)时,系统的总动量保持不变。这意味着系统内物体间的相互作用(内力)不会改变系统的整体动量。

    2.数学表达式

    总动量守恒的公式为:
    $$ sum mathbf{p}{text{初}} = sum mathbf{p}{text{末}} $$
    其中动量 (mathbf{p} = mmathbf{v})(质量 (m) 乘以速度 (mathbf{v}))。

    3.适用条件

    4.应用实例

    5.与其他守恒定律的关系

    扩展说明

    动量守恒是牛顿第三定律(作用力与反作用力)的宏观体现,广泛应用于工程、天体物理(如行星轨道计算)和微观粒子相互作用分析。

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