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Nusselt

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Nusselt
Nusselt (ˈnʊsəlt) [the name of E. K. Wilhelm Nusselt (1882–1957), German engineer.] Nusselt number, a dimensionless parameter used in calculations of the heat transfer between a moving fluid and a solid, equivalent to hD/k, where h is the rate of heat loss per unit area per degree difference in temp... Oxford English Dictionary
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Wilhelm Nusselt
Ernst Kraft Wilhelm Nußelt (Nusselt in English; November 25, 1882, in Nuremberg – September 1, 1957, in Munich) was a German engineer. The Nusselt number used in Fluid Mechanics and Heat Transfer is named in his honour. wikipedia.org
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Nusselt number - Wikipedia
Nusselt number. In thermal fluid dynamics, the Nusselt number ( Nu, after Wilhelm Nusselt [1] : 336 ) is the ratio of convective to conductive heat transfer at a boundary in a fluid. Convection includes both advection (fluid motion) and diffusion (conduction). The conductive component is measured under the same conditions as the convective but ...
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Peclet
Peclet (ˈpɛkleɪ) Also Péclet. [Name of J. C. E. Peclet (1793–1857), French physicist; adopted in this context by H. Gröber Die Grundgesetze der Wärmeleitung und des Wärmeüberganges (1921) ii. 168.] Peclet number: a dimensionless parameter used in calculations of heat transfer between a moving fluid ... Oxford English Dictionary
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Nusselt number
In thermal fluid dynamics, the Nusselt number (, after Wilhelm Nusselt) is the ratio of convective to conductive heat transfer at a boundary in a fluid In contrast to the definition given above, known as average Nusselt number, the local Nusselt number is defined by taking the length to be the distance wikipedia.org
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Prandtl
Prandtl (prænt(ə)l) [Name of Ludwig Prandtl (1875–1953), German physicist.] Prandtl number: a dimensionless parameter used in calculations of heat transfer between a moving fluid and a solid body, equal to cpv/k, where cp is the heat capacity of unit volume of the fluid, v is its kinematic viscosity... Oxford English Dictionary
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Stanton
Stanton (ˈstæntən) [Name of Sir Thomas Edward Stanton (1865–1931), English engineer.] Stanton number, a dimensionless measure of heat transfer used in forced convection studies, equivalent to the ratio of the Nusselt number to the product of the Reynolds and Prandtl numbers, viz. h/cpρv, where h is ... Oxford English Dictionary
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Churchill–Bernstein equation
In convective heat transfer, the Churchill–Bernstein equation is used to estimate the surface averaged Nusselt number for a cylinder in cross flow at various The equation yields the surface averaged Nusselt number, which is used to determine the average convective heat transfer coefficient. wikipedia.org
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Schmidt number
Schmidt number Physics. (ʃmɪt) [Named after Ernst Heinrich Wilhelm Schmidt (b. 1892), German engineer.] A dimensionless number, analogous to the Prandtl number, used in the study of convective mass transfer and evaluated as the ratio of kinematic viscosity to mass diffusivity.1955 D. B. Spalding Som... Oxford English Dictionary
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Stanton number
transfer coefficient ρ = density of the fluid cp = specific heat of the fluid u = velocity of the fluid It can also be represented in terms of the fluid's Nusselt , Reynolds, and Prandtl numbers: where Nu is the Nusselt number; Re is the Reynolds number; Pr is the Prandtl number. wikipedia.org
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努塞尔数
努塞尔特数是流体力学中的无因次参数，以德国物理学家威廉·努塞尔特（Wilhelm Nusselt）的名字命名，其意义为流体系统的特征长度与热边界层厚度之比，计算式为： 其中， 为热对流系数 为特征长度 为流体的热导率 参见 舍伍德数 流体力学 无量纲 wikipedia.org
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Sherwood number
The Sherwood number (Sh) (also called the mass transfer Nusselt number) is a dimensionless number used in mass-transfer operation. These correlations are the mass transfer analogies to heat transfer correlations of the Nusselt number in terms of the Reynolds number and Prandtl number wikipedia.org
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View factor
Nusselt analog A geometrical picture that can aid intuition about the view factor was developed by Wilhelm Nusselt, and is called the Nusselt analog. The Nusselt analog has on occasion been used to actually measure form factors for complicated surfaces, by photographing them through a suitable fish-eye wikipedia.org
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Péclet number
, as a general measure for the relative importance of the random fluctuations and of the systematic average behavior in mesoscopic systems See also Nusselt wikipedia.org
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Rayleigh number
It is closely related to the Nusselt number (). See also Grashof number Prandtl number Reynolds number Péclet number Nusselt number Rayleigh–Bénard convection Notes References External links wikipedia.org
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