A new equation of state for the inverse power, r n potential, fluid is proposed. It is derived on the basis of the local scaling behaviour of its structural properties, without referring to any perturbative scheme, and therefore recourse to an effective hard sphere diameter. It is shown that...
The tangential velocity profile for pseudoplastic power-law fluids in a hydrocyclone is determined with an analytical solution to a simplified momentum balance equation by the method of perturbation. A numerical solution of the non-linear two-point boundary-value problem by the finite-difference ...
Such Power law fluids are “pseudoplastic” when 0<n<1, Newtonian when n=1, and “dilatant” when n>1. Most drilling fluids are pseudoplastic. In the limit (n=1, K=µ), Equation 2.48a reduces to the Newtonian model with N(Γ)=µ, where µ is the constant laminar viscosity;...
The flow of a power-law fluid is investigated in an asymmetric vertical channel caused by the movement of peristaltic waves with the same speed but with different amplitudes and phases on the flexible walls of the channel. The differential equation governing the flow is nonlinear and can admit ...
in gaseous or vapor form. For unit mass of fluid, the heat transfer equation in the 3 types of heat ex-changers are given by,QEconomizer = h5 –h4QEvaporator = h6 –h5QSuperheater = h1 –h6Out, of these 3 major heat ex-changer components, only the economizer operates with, zero ...
To verify the foregoing analysis result, in addition, the relations between the calculated values of f and n were analyzed, when Re MR was given. The f value calculated from each equation was compared with each mean value of all the f values from the 14 equations, when each combination (...
Mixed convection flow of a power‐law fluid in horizontal ducts The laminar mixed convection heat transfer of a non‐Newtonian fluid modelled by a power‐law constitutive equation is studied. The equations of motion subject to the Boussinesq approximation and an axially uniform heat flux and ...
Initially, both plates and fluid were at rest after some time the left plate start moving with constant velocity due to which the fluid flow in channel and the right plate is fixed. The governing equations for the present flow regime are given below: The continuity equation is given by25,...
2001 Moving boundary problems and non-uniqueness for the thin film equation, to appear. About this Chapter Title The Spreading of Power-Law Fluids Book Title IUTAM Symposium on Free Surface Flows Book Subtitle Proceedings of the IUTAM Symposium held in Birmingham, United Kingdom, 10–14 July...
LX. Observations on the law of the expansion of water at temperatures below 42°; extracted from a paper on the power of fluids to conduct heation-selective electrodesmembranesliquid junctionsnumerical simulationfinite-difference methodNernst-Planck equation...