In this study, we present the thermo-physical characteristics of Newtonian fluid over a heated rotating disk. Liquid and gas-type phenomena depending on temperature are considered near the boundary-layer region. Temperature-dependent liquid viscosity is found to reduce the mean velocity profile range ...
The resistance to the flow of a fluid, as well as a gas’s resistance to flow, change shape, or movement, is known as viscosity. The reverse of viscosity is fluidity, which measures the ease with which a liquid flows, whereas viscous liquids are those that are “sluggish” and high in...
THE viscosity of liquids is a subject which, so far as I know, has hitherto been without any general theoretical basis. No physical mechanism, for example, has ever been brought forward to account even for so simple and general a fact as the decrease of liquid viscosity with temperature, in...
It is determined experimentally by sandwiching a liquid or gas between two plates and appl ying a known amount of pressure to move the top plate the dyn amic viscositydepe 4、 nds on the pressure, the amount of time it was applied, and the dista nce the plate moved in that time. ...
Absolute viscosity, also called dynamic viscosity, measures a substance's resistance to flow. It is determined experimentally by sandwiching a liquid or gas between two plates and applying a known amount of pressure to move the top plate — the dynamic viscosity depends on the pressure, the ...
However, the nature of viscosity for gas and liquid are different. In general, the liquid viscosity is dependent on the strength of intermolecular attraction. The stronger the intermolecular attraction, the more the viscous the liquid is. In fact, raising the temperature of the liquid decreases it...
μL Viscosity of liquid, cP μm Gas mixture viscosity, μP γ∞ Activity coefficient at infinite dilution in water φ Association factor of solvent B, dimensionless ΔH Change in enthalpy, J/mol ΔHf Enthalphy of formation of ideal gas, kJ/mol ΔHv Enthalphy of vaporization, kJ/mol Δ...
1. resistance of a liquid to sheer forces (and hence to flow) 同义词 adhesion 行业词典 体育 黏滞性 公路科技 黏滞度 冶金学 黏度 力学 黏性黏度又称 :黏度(coefficient of viscosity)黏[滞]性 化学 黏度 医学 粘〔滞〕度,粘〔滞〕性:液体的一种物理性质,决定于对切力(shear forces)的内阻力 ...
New accurate experimental data are presented for the viscosity of liquid toluene. The viscosity was measured relative to the viscosity of liquid water with the aid of an Ubbelohde capillary viscometer. The data cover a temperature range from approximately 25 to 75°C and are represented with high...
ν– Viscosity of liquid, cSt T –Absolute temperature, °R or K (1.15)T=(t+460)°R for temperature t in °F (1.15a)T=(t+273) K for temperature t in °C A and B are constants that depend on the specific liquid. It can be seen from Eq. (1.14)...