The Rotating Disk Model:
Revolving Ferrofluid Flow due to Rotating Disk
... Abstract - A revolving flow of ferrofluid over a rotating disk is investigated by solving the boundary layer equations with boundary conditions by using Neuringer-Rosensweig model. The components of ...
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Stability of the flow over a rough, rotating disk
... the rotating disk ...TSI model 1218-20W single sensor, right angled film probes which are made from a tungsten wire 1mm long and 50μm wide with a platinum ...
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Vibration Analysis of Rotating Shaft with Loose Disk
... this model is given in Table 1. The second disk as a loose disk is considered as the same disk on the ...shaft, disk, and mass unbalance is obtained as ...
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Mathematical Models of the Infinite Porous Rotating Disk Electrode
... The current on porous rotating disc electrodes depends on the parameters K, D, B and G . A sensitivity analysis is performed based on the differentiation of the aggregated model [29]. Thus, the partial ...
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High-order LES benchmarking in confined rotating disk flows
... rapidly rotating flows. These enclosed or opened rotating flows simulate conditions found in a large variety of rotating machinery, including centrifugal pumps, air cycle machines, axial thrust ...
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Buongiorno Model with Revised Boundary Conditions for Hydromagnetic Forced Convective Nanofluid Flow past a Rotating Porous Disk
... A close observation of the literature reveals that, to the best of author’s knowledge, so far no one has considered the role of Brownian motion and thermophoresis on steady, laminar, hydromagnetic flow of a Nanofluid ...
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Measurement of Reaction Rate of Gelled Acids and Calcite with the Rotating Disk Apparatus
... HCl. All measurements were performed at 50˚C and a shear rate from 57 to 1020 s −1 . The effect of changing the shear rate on the apparent viscosity of gelled acid is shown in Figure 1, which represents a log-log plot of ...
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Effect of MFD Viscosity and Porosity on Revolving Axi-symmetric Ferrofluid with Rotating Disk
... Neuringer-Rosensweig model for ferrofluid flow by using power series approximations and discussed the effect of magnetic field-dependent viscosity on the velocity components and pressure ...of rotating ...
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Revolving Ferrofluid Flow under the Influence of MFD Viscosity and Porosity with Rotating Disk
... Email: [email protected], [email protected] Received June 25 th , 2011; revised July 26 th , 2011; accepted August 15 th , 2011. ABSTRACT In the present case, we have studied the effect of magnetic ...
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Chapter 2 Modelling of Fluid Flow and Heat Transfer in Rotating-Disk Systems
... The method of Slezkin-Targ was used in the work [41] to model laminar fluid flow over a free rotating disk at β= 0 and N = 0, as well as for the case of N = const and.. β= 0.[r] ...
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Numerical study of heat transfer and viscous flow in a dual rotating extendable disk system with a non Fourier heat flux model
... stretchable rotating disks spinning at dissimilar velocities is studied with a non-Fourier heat flux ...Darcy model is employed to simulate matrix ...upper disk stretching, lower disk ...
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Analysis of Heat Transfer over a Stretching Rotating Disk by Using Homotopy Analysis Method
... a rotating disk has found many applications in different fields of engineering and ...using disk rotation such as: fans, turbines, centrifugal pumps, rotors, viscometers, spinning disk ...
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HEAT TRANSFER IN LIQUID FILM OVER THE SURFACE OF A ROTATING DISK SUBJECTED TO IMPINGING JET
... turbine disk cooling, the coolant is usually air supplied from the compressor section of the engine, and its use generally penalizes the engine cycle ...of disk cooling scheme design is to provide the ...
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Analytical solution of the concentration and current in the electoenzymatic processes involved in a PPO rotating disk bioelectrode
... mathematical model for electroenzymatic process of a rotating-disk-bioelectrode in which polyphenol oxidase occurs for all values of concentration of catechol substrate is pre- ...The model is ...
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Effect of Concentrated Axial Harmonic Force on Lateral Vibration of a Mono- Disk Rotating Shaft
... simple model for surge and stall and assumes that its effect as a concentrated force acting on a rotor-disk ...conceptual model for future investigations in this ...assembled disk on a ...
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REFERENCES. Attia H.A. and A.L. Aboul-Hassan (2004). On hydromagnetic flow due to a rotating disk, Appl. Math. Model., Vol. 28, pp
... Hang, X., Z.L. Lin, S.J. Liao, and J. Majdalani (2010). Homotopy based solutions of the Navier-Stokes equations for a porous channel with orthogonally moving walls. Phys. Fluids, Vol. 22, pp. 053601-18. Hayat, T. and M. ...
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Heterogeneous reactions with rotating disk electrode.
... a rotating disk serves as the reaction site. The rotating disk is employed in electrochemistry and is convenient for studying chemical kinetics under laboratory condi ...a rotating ...
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Note on porous rotating disk flow
... Abstract We revisit the classical K´ arm´ an rotating disk problem. A series analysis is used to derive estimates of boundary conditions at the sur- face. Using these estimates, computed thermal and flow ...
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The Accelerated Rotating Disk in a Micropolar Fluid Flow
... ABSTRACT The problem of a micropolar fluid about an accelerated disk rotating with angular velocity Ω proportional to time has been studied. By means of the usual similarity transformations, the governing ...
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Plastic Yield of a Rotating Compound Hyperbolic Disk
... mirujoč disk nespremenljive debeline 121 oziroma za enovit disk spremenljive debeline 131 (hiperbolična oblika, ki jo uporabljajo v turbinah), z določitvijo največje vrednosti mejnega tlaka na notranji ...
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