In thermal fluid dynamics, the Nusselt number (Nu, after Wilhelm Nusselt: 336 ) is the ratio of total heat transfer to conductive heat transfer at a boundary...

diffusivities: Ra = B/μ × ν/α. It is closely related to the Nusselt number (Nu). The Rayleigh number describes the behaviour of fluids (such as water or air)...

Kraft Wilhelm Nußelt (Nusselt in English; November 25, 1882, in Nuremberg – September 1, 1957, in Munich) was a German engineer. Nusselt studied mechanical...

heat transfer coefficient is often calculated from the Nusselt number (a dimensionless number). There are also online calculators available specifically...

The Sherwood number (Sh) (also called the mass transfer Nusselt number) is a dimensionless number used in mass-transfer operation. It represents the ratio...

layer thickness. For incompressible flow over a flat plate, the two Nusselt number correlations are asymptotically correct: N u x = 0.339 R e x 1 2 P r...

fluctuations and of the systematic average behavior in mesoscopic systems Nusselt number Patankar, Suhas V. (1980). Numerical Heat Transfer and Fluid Flow. New...

\mathrm {Pr} }}} where Nu is the Nusselt number; Re is the Reynolds number; Pr is the Prandtl number. The Stanton number arises in the consideration of...

Churchill–Bernstein equation is used to estimate the surface averaged Nusselt number for a cylinder in cross flow at various velocities. The need for the...

local Nusselt number. This is only true when the magnitude of Prandtl number is small or prescribed wall heat flux (WHF) is considered. Sherwood number, Bejan...

can accept or emit light. Sherwood number – (also called the mass transfer Nusselt number) is a dimensionless number used in mass-transfer operation. It...

dimensionless numbers such as the Reynolds number in fluid dynamics, the Nusselt number in heat transfer, and the Archimedes number in sedimentation. They also develop...

length [m] of the geometry considered. (The Biot number should not be confused with the Nusselt number, which employs the thermal conductivity of the fluid...

can be evaluated as the ratio of (NNIF) to (FFIF)[6]. Where (NNIF)=Nusselt Number Improvement Factor and (FFIF)=Friction Factor Improvement Factor Temperature...

{0.5}{Pr}}\right)^{\frac {9}{16}}\right]^{\frac {-16}{9}}} Nu is the Nusselt number and the values of Nu0 and the characteristic length used to calculate...

forward. For this purpose, correlations for the peripherally averaged Nusselt number are, if none, of little use when keeping heat flux conditions constant...

(Nu+), a form of seed reproduction that occurs in certain plant species Nusselt number (Nu), a dimensionless heat transfer ratio Nanodalton, a unit of mass;...

intuition about the view factor was developed by Wilhelm Nusselt, and is called the Nusselt analog. The view factor between a differential element dAi...

transfer coefficient, N u c {\displaystyle {\mathit {Nu}}_{c}} is the Nusselt number, k {\displaystyle k} is the thermal conductivity of the fluid and d...

several dimensionless numbers are used such as Nusselt number, Reynolds number, and Prandtl number. The commonly used equation is N u a = h a D k {\displaystyle...

gas to the droplet can be expressed as a function of the Nusselt number. The Nusselt number describes a non-dimensional heat transfer rate to the droplet...

friction coefficient (Cf), which is a dimensionless frictional stress, and Nusselt number (Nu), which indicates the magnitude of convectional heat transfer. Turbine...

including convection and evaporation. Conduction is negligible – the Nusselt number is much greater than unity. Evaporation by perspiration is only required...

{Nu} _{b}=C_{fc}(\mathrm {Re} _{b},\mathrm {Pr} _{L})} Where Nu is the Nusselt number, defined as: N u b = ( q / A ) D b ( T s − T s a t ) k L {\displaystyle...

while correlations for the calculation of Darcy-Friction-Factor and Nusselt number in pillow plates over a wide range of geometrical parameters variations...

properties are calculated when using the Prandtl number, Nusselt number, Reynolds number or Grashof number to calculate a heat transfer coefficient, because...

diagonals give common symbols for the quantities, and the given dimensionless number is the ratio of the left column quantity over top row quantity; e.g. Re...

conduction Thermal radiation Heat pipe Laser-heated pedestal growth Nusselt number Thermomagnetic convection CIMAS (2008). "Ocean Surface Currents Glossary"...

power. Vafai has conducted research on the interrelationship between Nusselt number oscillations, temperature distribution, fluid flow patterns, and vortex...

utilize the Nusselt number and are only valid when the Reynolds number is greater than 10,000. While Dittus-Boelter requires the Prandtl number to be between...