Non-uniform slot injection (suction) into water boundary layer flow past yawed cylinder

Roy, S.; Saikrishnan, P.

doi:10.1016/j.ijengsci.2003.12.008

Cited by 29 publications

(15 citation statements)

References 17 publications

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“…The density changes are modeled using the Boussinesq approach [5,35]. The governing equations representing the fluid flow variations are as follows [17,[24][25][26][27]30…”

Section: Mathematical Simulationmentioning

confidence: 99%

“…The nonsimilar transformations and the resulting variables are The governing equations representing the fluid flow variations are as follows [17,[24][25][26][27]30,36] Continuity equation ∂u ∂x…”

Section: Mathematical Simulationmentioning

confidence: 99%

“…Further, Bucker and Lueptow [23] have examined the boundary layer flow on weakly yawed cylinders, and they have found that the thickness of boundary layer rises nonlinearly for small degree yaw angle. In this direction, many of the researchers have worked on the boundary layer flow past a yawed cylinder with the influence of non-uniform suction/injection [17,[24][25][26][27]. Marshall [28] has studied the disturbed flow along a moving yawed cylinder and found that, as cross stream Reynolds number increases, the surface vorticity enhances.…”

Section: Introductionmentioning

confidence: 99%

“…From the above literature review, it is found that the investigation of double diffusive combined convection past a moving yawed cylinder has not been attempted so far. Since, many authors such as Roy [25], Chiu and Lienhard [31], Roy and Saikrishnan [26] and Revathi et al [17] have analyzed a boundary layer flow over a yawed cylinder. The works of these researchers have stimulated us to work on the present article, and, therefore, we have scrutinized the considered challenge.…”

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Nonlinear Mixed Convective Flow over a Moving Yawed Cylinder Driven by Buoyancy

2021

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The fluid flow over a yawed cylinder is useful in understanding practical significance for undersea applications, for example, managing transference and/or separation of the boundary layer above submerged blocks and in suppressing recirculating bubbles. The present analysis examines nonlinear mixed convection flow past a moving yawed cylinder with diffusion of liquid hydrogen. The coupled nonlinear control relations and the border restrictions pertinent to the present flow problem are nondimensionalized by using nonsimilar reduction. Further, implicit finite difference schemes and Quasilinearization methods are employed to solve the nondimensional governing equations. Impact of several nondimensional parameters of the analysis on the dimensionless velocity, temperature and species concentration patterns and also on Nusselt number, Sherwood number and friction parameter defined at the cylinder shell is analyzed through numerical results presented in various graphs. Velocity profiles can be enhanced, and the coefficients of friction at the surface can be reduced, for increasing values of velocity ratio parameters along chordwise as well as spanwise directions. Species concentration profile is reduced, while the Sherwood number is enhanced, for growth of the Schmidt number and yaw angles. Furthermore, for an increasing value of yaw angle, skin-friction coefficient in chordwise direction diminishes in opposing buoyancy flow case, whereas the results exhibit the opposite trend in assisting buoyancy flow case. Moreover, very importantly, for increasing magnitude of nonlinear convection characteristic, the liquid velocity and surface friction enhance in spanwise direction. Further, for increasing magnitude of combined convection characteristics, velocity profiles and coefficient of friction at the surface enhance in both spanwise and chordwise directions. Moreover, we have observed that there is no deviation for zero yaw angle in Nusselt number and Sherwood number.

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“…The density changes are modeled using the Boussinesq approach [5,35]. The governing equations representing the fluid flow variations are as follows [17,[24][25][26][27]30…”

Section: Mathematical Simulationmentioning

confidence: 99%

Section: Mathematical Simulationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Nonlinear Mixed Convective Flow over a Moving Yawed Cylinder Driven by Buoyancy

2021

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show abstract

“…After several decades discussed the flow of nature and stability of velocity and temperature profiles. S. Roy et al [3][4][5][6][7] are discussed the flow of three dimension with rotating sphere with the help of fine difference scheme using quasi-linearization technique. The same work to extended for laminar flow in diverging channel with variable viscosity and Prandtl number and the effects of viscous dissipation number by Iyyappan.…”

Section: Introductionmentioning

confidence: 99%

A Stability of Force Convection Boundary Layer Laminar flow in Diverging Chennal

G.*¹,

Singh²

2019

IJITEE

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The objective of this paper works is to study, a stability analysis of two dimensional boundary layer forced convection over a fixed vertical plate vary in viscosity and prandtl number with time dependent . The governing equations are transformed to non linear coupled partial differential equations with boundary conditions have been solved numerically by finite difference scheme in combination with quasi-linearization technique with suitable step size along the stream-wise direction. Results are showed different values of mass transfer parameter (A) . It was found that the solutions is stable when increases the suction/injection parameter A.

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Quadratic mixed convective nanofluid flow past a moving yawed cylinder in the presence of thermal radiation and diffusive liquids

2022

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The fluid flow around a yawed cylinder helps to understand the practical implications for undersea applications, such as managing transference, separating the boundary layer above submerged blocks, and suppressing recirculating bubbles. As many authors such as Roy, Chiu and Lienhard, Roy and Saikrishnan, and Revathi et al. have analyzed a boundary layer flow over a yawed cylinder, and their work sticks to only forced convection, we are interested to work on mixed convection flow. Therefore, the work of these researchers has stimulated us to work on the present article. As a result, we have examined the work on triple diffusion quadratic mixed convective nanofluid flow over a moving yawed cylinder. The impact of yaw angle, which exists due to the inclination of a vertically moving cylinder away from the origin, is mathematically investigated in the present paper by converting the governing equations into a compatible form using appropriate nonsimilar transformations and the quasilinearization technique. Nanofluids have crucial usages in science and technology, marine engineering, and applications in industries such as plastic, polymer industries, cancer home therapy, and building sciences. Many processes in new engineering areas occur at high temperatures, and knowledge of radiation heat transfer becomes very important for designing the pertinent equipment. Nuclear power plants, gas turbines, and the various propulsion devices for aircraft, missiles, satellites, and space vehicles are examples of such engineering areas. The finite difference approximation is employed to solve the resulting equations. Enhancing the magnitude of thermal radiation enhances the temperature of the liquid and the energy transport strength. However, liquid hydrogen and liquid oxygen species concentration patterns are reduced in nanofluid compared to traditional liquids. At the same time, the outcomes behave conversely in the case of their wall gradients. Furthermore, the temperature of the liquid enhances the enhancing values of Brownian motion and thermophoresis characteristics. Moreover, nanoparticle mass transport augments with enhancing yaw angle and Lewis number values. Both species' concentration profiles decrease for increasing values of yaw angle. The velocity profiles increase for increasing values of velocity ratio parameter in the spanwise and chordwise directions.

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Non-uniform slot injection (suction) into water boundary layer flow past yawed cylinder

Cited by 29 publications

References 17 publications

Nonlinear Mixed Convective Flow over a Moving Yawed Cylinder Driven by Buoyancy

Nonlinear Mixed Convective Flow over a Moving Yawed Cylinder Driven by Buoyancy

A Stability of Force Convection Boundary Layer Laminar flow in Diverging Chennal

Quadratic mixed convective nanofluid flow past a moving yawed cylinder in the presence of thermal radiation and diffusive liquids

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