英语词汇“absolute or dynamic viscosity”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

c. In scientific use, the tendency of a liquid or gas to resist by internal friction the relative motion of its molecules and hence any change of shape; the magnitude of this, as measured by the force per unit area resisting a flow in which parallel layers unit distance apart have unit speed relative to one another; also called absolute or dynamic viscosity; kinematic viscosity, the dynamic viscosity divided by the density of the fluid.

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the world > matter > chemistry > physical chemistry > viscosity > [noun]

viscosity1866

the world > matter > chemistry > physical chemistry > viscosity > [noun] > kinematic

kinematic viscosity1866

the world > matter > constitution of matter > density or solidity > viscosity > [noun] > specifically in scientific use

viscosity1866

the world > matter > physics > mechanics > dynamics > fluid dynamics > [noun] > kinematic viscosity

kinematic viscosity1866

1866 J. C. Maxwell in Philos. Trans. (Royal Soc.) 156 249 The viscosity of a body is the resistance which it offers to a continuous change of form, depending on the rate at which that change is effected.

1866 J. C. Maxwell in Philos. Trans. (Royal Soc.) 156 254 Suppose that this friction is equal to a tangential force f on every square foot, then f = μυ/a, where μ is the coefficient of viscosity, υ the velocity of the upper plane, and a the distance between them.

1880 Proc. London Math. Soc. 11 58 If ν be the kinematic viscosity.

1913 R. M. Deeley & P. H. Parr in London, Edinb., & Dublin Philos. Mag. 6th Ser. 26 87 It would be a distinct advantage to have a name for the unit of viscosity expressed in C.G.S. units, and we would suggest that the word Poise be used for this; for it is to Poiseuille that we owe the experimental demonstration that when a liquid flows through a capillary tube..at constant temperature, the viscosity is constant at all rates of shear, provided that the flow is not turbulent.

1921 A. W. Judge Automobile & Aircraft Engines viii. 309 The kinematical viscosity of air is thirteen times that of water.

1927 Schoder & Dawson Hydraulics xvi. 275 The unit of absolute viscosity is called a poise.

1943 R. C. Binder Fluid Mech. v. 50 Viscosity = shearing stress/rate of shearing strain. Sometimes the foregoing term is called absolute viscosity. Probably a better term would be dynamic viscosity.

1962 J. M. McKelvey Polymer Processing ii. 41 In general, liquid viscosities decrease and gas viscosities increase with increasing temperature.

1964 Sabersky & Acosta Fluid Flow i. 10 In the c.g.s. system,..the unit of absolute viscosity..is called a poise, and the unit of kinematic viscosity, 1 cm.²/sec., is called a stoke.

1979 C. A. Marchaj Aero-hydrodynam. of Sailing ii. 169 The kinematic viscosity of water..needed for Reynolds Number computation at the ‘normal’ temperature of 15°C is..1·23 × 10⁻⁵ ft²/sec.

单词	absolute or dynamic viscosity
释义	> as lemmas absolute or dynamic viscosity c. In scientific use, the tendency of a liquid or gas to resist by internal friction the relative motion of its molecules and hence any change of shape; the magnitude of this, as measured by the force per unit area resisting a flow in which parallel layers unit distance apart have unit speed relative to one another; also called absolute or dynamic viscosity; kinematic viscosity, the dynamic viscosity divided by the density of the fluid. ΘΚΠ the world > matter > chemistry > physical chemistry > viscosity > [noun] viscosity1866 the world > matter > chemistry > physical chemistry > viscosity > [noun] > kinematic kinematic viscosity1866 the world > matter > constitution of matter > density or solidity > viscosity > [noun] > specifically in scientific use viscosity1866 the world > matter > physics > mechanics > dynamics > fluid dynamics > [noun] > kinematic viscosity kinematic viscosity1866 1866 J. C. Maxwell in Philos. Trans. (Royal Soc.) 156 249 The viscosity of a body is the resistance which it offers to a continuous change of form, depending on the rate at which that change is effected. 1866 J. C. Maxwell in Philos. Trans. (Royal Soc.) 156 254 Suppose that this friction is equal to a tangential force f on every square foot, then f = μυ/a, where μ is the coefficient of viscosity, υ the velocity of the upper plane, and a the distance between them. 1880 Proc. London Math. Soc. 11 58 If ν be the kinematic viscosity. 1913 R. M. Deeley & P. H. Parr in London, Edinb., & Dublin Philos. Mag. 6th Ser. 26 87 It would be a distinct advantage to have a name for the unit of viscosity expressed in C.G.S. units, and we would suggest that the word Poise be used for this; for it is to Poiseuille that we owe the experimental demonstration that when a liquid flows through a capillary tube..at constant temperature, the viscosity is constant at all rates of shear, provided that the flow is not turbulent. 1921 A. W. Judge Automobile & Aircraft Engines viii. 309 The kinematical viscosity of air is thirteen times that of water. 1927 Schoder & Dawson Hydraulics xvi. 275 The unit of absolute viscosity is called a poise. 1943 R. C. Binder Fluid Mech. v. 50 Viscosity = shearing stress/rate of shearing strain. Sometimes the foregoing term is called absolute viscosity. Probably a better term would be dynamic viscosity. 1962 J. M. McKelvey Polymer Processing ii. 41 In general, liquid viscosities decrease and gas viscosities increase with increasing temperature. 1964 Sabersky & Acosta Fluid Flow i. 10 In the c.g.s. system,..the unit of absolute viscosity..is called a poise, and the unit of kinematic viscosity, 1 cm.²/sec., is called a stoke. 1979 C. A. Marchaj Aero-hydrodynam. of Sailing ii. 169 The kinematic viscosity of water..needed for Reynolds Number computation at the ‘normal’ temperature of 15°C is..1·23 × 10⁻⁵ ft²/sec. extracted from viscosityn. < as lemmas
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> as lemmas