The law of pulsating laminar flow under the pushing of periodic pressure gradient is obtained by the combination of Maxwell fluids'constitutive equation and momentum equation of laminar flowing in the round pipe. The law of velocity distribution under different frequency and relaxation time is presented.
Modified Levy-Mangle and Dorodnitsyn-Howarth transformations are introduced tosolve the flow in the thin laminar boundary layer with no external pressure gradient on the smoothflat plate.
Numerical simulation of laminar premixed combustion in a porous burner
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In this paper, the premixed combustion of CH4/air mixture in a porous medium is numerically simulated with a laminar combustion model.
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3-D numerical simulations were presented for laminar flow and heat transfer characteristics in a rectangular channel with vortex generators.
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Boundary control of a laminar flow of a viscous incompressible fluid in the generalized Couette cell.
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In this paper, a limiting problem for an optimal boundary control problem of a laminar flow of a viscous incompressible fluid in the generalized Couette cell, when the number of inner cylinders unrestrictedly increases, is obtained.
In dealing with the problem of sand particles moving relative to the surrounding water, Stokes' formula of resistance has usually been used to render the velocity of sedimentation of the particles. But such an approach has not been proved rigorously, and its accuracy must be carefully examined. In the previous paper, we gave the resistance acting on a sphere moving in a non-uniform flow field. In this paper, we assume the concentration of sand particles to be very small, and using the previously obtained fo...
In a previous paper[1], a theoretical analysis has been presented to the heat-transfer coefficient for laminar boundary layer flow in the entrance region of a circular tube. This is a succeeding one based on Karman's method of approach, to attack the entrance effect on flow-friction behavior of an isothermal boundary layer flow of incompressible fluid. The family of climensionless velocity profiles is well defined by eq. (3) and (4). The predicted friction coefficients from eq. (17) or (19), eq. (23),...
This paper presents a simple formula for calculating the displacement thickness, momentum thickness and physical thickness of laminar boundary layer in high enthalpy flows in conic nozzles at hypersonic Mach numbers. The inviscid flow upstream of the throat is assumed to be in chemical and vibrational equilibrium and downstream of the throat the flow is frozen. The present expressions for δ*, θ and δ are given as explicit functions of the geometric dimensions of the nozzle and the parameters of the in...