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For this research, a 5 KW standalone wind and solar power combined system is developed, manufactured and ground tested. The dimension of this transportable device is width= 8 ft, 5 in, depth =∼ 8 in, 4 in, and height = ∼ 38 ft. This device comprises of four solar panels (120 watts), a wind turbine (1.5 KW), a solar charge controller, remote power storage, battery and battery control. Without the need for a grid, this hybrid device can be used in highways, and various other applications. A summary and characterizations of this device and the photovoltaic data collected in the month of April (Mangalore) are provided. To further increase the performance of solar panel technology, this device can be used. The plan of construction the hybrid energy tower is simple. The hybrid energy tower is a combination of vertical wind axis turbine to obtain wind energy and solar panel to obtain solar energy. The tower is placed in between the divider and the automobile on the roadway, which, owing to its velocity, creates a significant amount of air. The solar panel is utilized for producing energy and is also mounted in a manner which deflects the air from the automobile to the turbine. To produce power, the generator and the gear systems are attached to the shaft of the wind turbines. So it is possible to get a portable solution to energy issues.

This article deliberates the finite element formulation as applied to the conjugate heat transfer in a porous domain fixed in an annular geometry. The porous domain is such that a solid wall is attached to the iner surface of annulus. The article is aimed to discuss the application of finite element method to problem under investigation and elaborate the solution strategy as applied to porous annulus. The governing equations are taken in the form of non-dimensional equations. A simple triangular element is used to simulate the problem under investigation. The solution is presented in terms of convergence behavior of temperature and stream function. The convergence is faster at low Rayleigh numberThis article deliberates the finite element formulation as applied to the conjugate heat transfer in a porous domain fixed in an annular geometry. The porous domain is such that a solid wall is attached to the iner surface of annulus. The article is aimed to discuss the application of finite element method to problem under investigation and elaborate the solution strategy as applied to porous annulus. The governing equations are taken in the form of non-dimensional equations. A simple triangular element is used to simulate the problem under investigation. The solution is presented in terms of convergence behavior of temperature and stream function. The convergence is faster at low Rayleigh number

Opposing flow arises when two forces are acting in opposite direction. The present work investigates the opposing flow mixed convection in an annulus having porous medium fixed within its boundaries. The equations are considered in non-dimensional form which is further treated with the help of finite element method to facilitate the solution of governing parameters. The heating of the inner surface is considered in 3 steps such as 20%, 35% and 50% of the annulus height at top section of inner radius. The results are presented with respect to Peclet number, thermal conductivity ratio and heater length, in terms of Nusselt number along the heated section.Opposing flow arises when two forces are acting in opposite direction. The present work investigates the opposing flow mixed convection in an annulus having porous medium fixed within its boundaries. The equations are considered in non-dimensional form which is further treated with the help of finite element method to facilitate the solution of governing parameters. The heating of the inner surface is considered in 3 steps such as 20%, 35% and 50% of the annulus height at top section of inner radius. The results are presented with respect to Peclet number, thermal conductivity ratio and heater length, in terms of Nusselt number along the heated section.

Opposing flow mixed convection occurs due to the fluid being forced to flow in opposing direction as that of rising fluid due to thermal buoyancy. This paper undertakes the investigation of heat transfer in an annular porous medium because of mixed convection opposing flow from top of the cylinder. The fluid velocity designated as Vo is applied from top of the cylinder in negative gravitational direction. The governing equations are converted into dimensional form having the Peclet number. The inner radius of the annulus is heated in three segments as 20%, 35% and 50% of the annulus height in such a way that the heater always coincides with the bottom of cylinder.Opposing flow mixed convection occurs due to the fluid being forced to flow in opposing direction as that of rising fluid due to thermal buoyancy. This paper undertakes the investigation of heat transfer in an annular porous medium because of mixed convection opposing flow from top of the cylinder. The fluid velocity designated as Vo is applied from top of the cylinder in negative gravitational direction. The governing equations are converted into dimensional form having the Peclet number. The inner radius of the annulus is heated in three segments as 20%, 35% and 50% of the annulus height in such a way that the heater always coincides with the bottom of cylinder.

This paper discusses the heat transfer characteristics of mixed convection in a porous medium for aiding flow. The aiding flow refers to a condition when the applied velocity and the buoyancy help each other making it a assisting flow. The annulus is subjected to discrete heating of 20%, 35% and 50% at bottom of the annulus being heated with hot temperature and whole of the outer surface being cooled to cooler temperature. The whole phenomenon of mixed convection is simulated with respect to above said heating condition by using finite element method as solution tool. The results are predominantly discussed with respect to the mixed convection parameter such as Peclet number.This paper discusses the heat transfer characteristics of mixed convection in a porous medium for aiding flow. The aiding flow refers to a condition when the applied velocity and the buoyancy help each other making it a assisting flow. The annulus is subjected to discrete heating of 20%, 35% and 50% at bottom of the annulus being heated with hot temperature and whole of the outer surface being cooled to cooler temperature. The whole phenomenon of mixed convection is simulated with respect to above said heating condition by using finite element method as solution tool. The results are predominantly discussed with respect to the mixed convection parameter such as Peclet number.