V2EX non-newtonian

Non-Newtonian

释义 Definition

Non-Newtonian(非牛顿的):主要用于描述非牛顿流体黏度不会保持恒定,而会随剪切力/剪切速率变化(例如越搅越稀或越搅越稠)。常见于物理、化学、工程与材料科学语境。(另有较少见用法:泛指“不符合牛顿定律/经典模型”的现象。)

发音 Pronunciation

/nn njutnin/

例句 Examples

Non-Newtonian fluids can act like a solid when you hit them.
非牛顿流体在受到撞击时可能会表现得像固体。

Because the paint is non-Newtonian, its viscosity changes with how fast you brush or spray it, which affects the finish.
由于这种涂料是非牛顿的,它的黏度会随刷涂或喷涂速度改变,从而影响最终表面效果。

词源 Etymology

non-(“非、不是”)+ Newtonian(“牛顿的”)构成。Newtonian 源自科学家 Isaac Newton(艾萨克牛顿)之名;在流体力学中,“牛顿流体”指满足牛顿黏性定律、黏度与剪切速率成线性关系且恒定的流体。Non-Newtonian 则用来概括“不遵循该简单线性关系”的流体行为。

相关词 Related Words

文学与著作 Literary Works

  • The Feynman Lectures on Physics(费曼《物理学讲义》)
  • An Introduction to Fluid Dynamics(G. K. Batchelor,《流体动力学导论》)
  • Rheology: Principles, Measurements, and Applications(《流变学:原理、测量与应用》)
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