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momentum conservation是什麼意思,momentum conservation的意思翻譯、用法、同義詞、例句

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  • [力] 動量守恒

  • 例句

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

    應用最大熵原理和動量守恒定律,從理論上建立了噴霧液滴尺寸和速度聯合分布函數。

  • 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.

    利用波陣面上的動量守恒關系和彈體表面的運動規律,得到了有别于國内外的作用在彈體表面的應力表達式。

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

    本文提出了一種可以定量驗證剛體角動量守恒定律的實驗方法。

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

    以火箭推進等問題,論述動量守恒問題中運動的瞬時性。

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

    我們就是這樣利用能量和動量守恒定律的。

  • 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 ?

    試想一下,發現了動能守恒定律之後,如果他僅僅為過去的成就而驕傲,怎麼可能成功的發現力學三定律呢?。

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

    同時利用接觸力學及動量守恒原理,分析了泥石流中大石塊對防治結構的沖擊作用。

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

    本文根據物理學的發展曆史,說明了動量守恒概念的發展及其在自然界中的普適性。

  • 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.

    它是通過在膛壁邊界層建立非穩質量守恒和動量守恒方程的積分式,而獲得有關動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.

    結合系統線動量及角動量守恒關系,通過拉格朗日法建立了系統的動力學模型。

  • 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.

    本文根據質量守衡、能量守衡、動量守衡原理,建立了房間空調器絕熱毛細管的分布參數模型。

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

    在本章中,我們要揭示一個質點集體作運動時動量守恒的含義。

  • 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.

    本文根據動量平衡和動量守恒定律的基本原理,提出了兩種推算碰撞前汽車動量或碰撞速度的圖解方法。

  • 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.

    動量守恒定律、角動量守恒定律是物理學的基本規律。在中學和大學的物理教學中,它們都是教學的重點。

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

    根據動量守恒定律,建立了摩托車與汽車正面碰撞及直角側面碰撞的數學模型。

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

    基于能量守恒、動量守恒、質量守恒方程,建立描述絕熱毛細管特性的數學模型。

  • 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.

    在混合損失計算模型的基礎上,應用動量守恒原理推導出了新的水平井筒氣液兩相分層流型壓降計算模型。

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

    以動量守恒原理為基礎,建立了側吹射流軸軌迹的數學模型。

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

    從能量守恒和動量守恒出發,通過洛侖茲變換,推出了質量-速率關系式。

  • 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.

    文中根據剛體動力學及動量守恒定理,建立起顆粒–壁面碰撞三維數學模型,并采用此三維數學模型研究了壁面約束效應對細長顆粒流化特性的影響。

  • 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.

    以雙流體模型為基礎,通過質量守恒方程和動量守恒方程的耦合,提出了液液兩相系中彌散傳質的連續波模型。

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

    我們就是這樣利用能量和動量守恒定律的。

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

    必須記住,動量守恒甚至對于非彈性碰撞也是成立的,盡管這時動能已不守恒。

  • 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.

    從一維正碰着手,應用質點動量定律,推導出力學碰撞問題中恢複系數的一般表達式,為我們正确理解恢複系數,解決與此相關的問題提供理論支持。

  • 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.

    自由漂浮空間機械臂系統在無外力矩作用時,系統的動量矩守恒而成為非完整系統。

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

    依據系統動量守恒關系和拉格朗日第二類方程,推導了漂浮基雙臂空間機器人系統的動力學方程。

  • 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.

    嚴格說來,因為動量守恒的原因,相撲選手會彈出稍大的音量,但這個差異非常小,雖然他的手臂應該比六歲小孩的手臂重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.

    利用單軸氣浮平台模拟動量守恒系統,對轉動部件角動量進行耦合測量,可對轉動部件輸出力學特性進行評估。

  • 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.

    根據動量矩守恒和力平衡方程得到一代數方程,用于求解系統展開及剪斷後的軌道參數。

  • 專業解析

    動量守恒是物理學中的核心定律之一,指封閉系統内總動量在不受外力作用時保持恒定。該定律由牛頓運動定律推導而來,是經典力學的重要基礎,適用于宏觀和微觀尺度的物理現象。

    一、基本原理與數學表達

    動量守恒成立的前提是系統所受合外力為零。根據牛頓第三定律,系統内部物體間的相互作用力(如碰撞力)成對出現且大小相等、方向相反,因此内部作用不會改變系統總動量。其數學表達式為: $$ sum vec{p}{text{初}} = sum vec{p}{text{末}} $$ 其中$vec{p} = mvec{v}$代表動量,$m$為質量,$vec{v}$為速度矢量(參考來源:美國物理學會《物理評論》期刊)。

    二、典型應用場景

    1. 碰撞分析:例如台球碰撞時,碰撞前後的總動量守恒,可通過測量速度變化反推質量或速度(參考來源:HyperPhysics教育平台)。
    2. 火箭推進:火箭通過向後噴射物質獲得向前的動量,遵循動量守恒原理。
    3. 粒子物理:在高能粒子對撞實驗中,通過檢測産物動量驗證基本相互作用規律(參考來源:歐洲核子研究中心CERN官網)。

    三、擴展意義

    該定律與能量守恒、角動量守恒并稱物理學三大守恒定律,在工程學、天體力學等領域有廣泛應用。例如航天器借助“引力彈弓”效應改變軌道時,動量守恒幫助計算行星與航天器的速度交換關系(參考來源:NASA戈達德太空飛行中心技術文檔)。

    網絡擴展資料

    動量守恒(momentum conservation)是物理學中的基本定律之一,描述了一個孤立系統中總動量保持恒定的現象。以下是詳細解釋:

    1.定義

    動量守恒定律指出:當系統不受外力作用(或外力合力為零)時,系統的總動量保持不變。這意味着系統内物體間的相互作用(内力)不會改變系統的整體動量。

    2.數學表達式

    總動量守恒的公式為:
    $$ sum mathbf{p}{text{初}} = sum mathbf{p}{text{末}} $$
    其中動量 (mathbf{p} = mmathbf{v})(質量 (m) 乘以速度 (mathbf{v}))。

    3.適用條件

    4.應用實例

    5.與其他守恒定律的關系

    擴展說明

    動量守恒是牛頓第三定律(作用力與反作用力)的宏觀體現,廣泛應用于工程、天體物理(如行星軌道計算)和微觀粒子相互作用分析。

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