Small hydropower (SHP) has been a major focus of hydro power research in recent years, as many of the large scale hydroelectric opportunities around the world have already been exploited. In particular, low head SHP is gaining interest as traditional turbines, such as the Kaplan and Pelton turbines,
Hydro Vortex Turbine
Small hydropower (SHP) has been a major focus of hydro power research in recent years, as many of the large scale hydroelectric opportunities around the world have already been exploited. In particular, low head SHP is gaining interest as traditional turbines, such as the Kaplan and Pelton turbines, are typically limited to heads greater than 3m. Hydro Vortex Turbine is one such low head hydropower solution. HVT exploits the energy available in a vortex flow, enabling hydropower generation at heads as low as 0.7m. A vertical axis turbine is placed in the center of a vortex flow and rotates with the flow, thus generating mechanical energy which can be converted into electrical energy. This paper describes a parametric experimental investigation of the operating conditions of HVT. Various flow rates, inlet conditions, blade sizes and blade numbers were made on modeling softwares and then tested by CFD analysis. The power input, power output and efficiency were then calculated and compared for the various settings.
The literature review had been done on three different designs of casing, and all the research revolved around the three designs and their optimization. None of the previous researches had had done a comparison between all the three designs to determine which one was the best or at least which one was the best for different pressure heads. Hence, there was a need of a research which would study all the different designs using same parameters, to obtain comparable results for lower pressure heads and then optimizing the design for a favorable output. Also one more design of the casing is added for research purpose. Different turbines designs are also made for calculating the efficiency of the whole framework at different turbine designs.
So until this point we have done the simulation of CAD models of casing for our turbine. On the basis of our simulation result we have selected the simple cylindrical basin. Also we have made several turbine designs and also have done the assembly of our selected casing for turbine. In our future work we’ll do the simulation of whole model. So at the end a fabricated model will be made accordingly.
These are some of the pictures of our Software work
Different Casing Designs for Turbine




After that we test these designs on Fluent ansys to get the best design




So we selected the simple cylindrial which is on the most right, becaue it gives the maximum outlet rotational velocity.
Next thing we did is, we make different turbine designs, pictures of somes are given below





And the End we done the assembly of the casing and turbines to select the turbine with maximum efficiency


Future Work
So until this point we have done the simulation of CAD models of casing for our turbine. On the basis of our simulation result we have selected the simple cylindrical basin. Also we have made several turbine designs and also have done the assembly of our selected casing for turbine. In our future work we’ll do the simulation of whole model. So at the end a prototype will be made accordingly.
With a consistently expanding risk of an Earth-wide temperature boost, the world is looking towards spotless, reasonable and safe energy sources. In this mind boggling circumstance, sustainable power source demonstrates an exit from the issue. Among all other sustainable power source frameworks, the world is gathering a large portion of its electricity from hydel assets. Generally electricity from hydel assets is delivered by building dams on the streams. Aside from being a powerful technique for delivering power, it additionally throws antagonistic consequences for the sea-going environments.
In the light of every one of these issues and impediments, there is need of such a framework that can:
And also, number of vortex power generation units can be installed on the same channel in series for even greater production of electricity.
The Hydro vortex turbine units are scalable in size to 100kW. By increasing our 15kW to a 100kW, the increase in power follows an exponential growth. By installing more Turbulent turbines in parallel and series along the length of the river you can increase the power output and reach MW projects that can power entire cities. The benefit is that you can cascade the turbines and produce the energy close to communities to limit distribution losses. Our decentralized approach also allows you to use standard series-produced turbines that are being manufactured at a lower cost
The total efficiency of a Turbulent turbine is 60%. This means the Turbulent turbines can transform 60% of the energy that is in the water into electricity.
The limit of cabling is around 1 km for a 15kW turbine, because of the cost of cabling. For larger projects, we can provide a transformer to go through higher voltages which allows longer distances of up to 30 kilometres.
Our fabricated model would have the following measurments
For Casing
| Height of channel opening | 0.3 m |
| Length of channel opening | 1 m |
| Diameter of the Casing | 1 m |
For Turbines
| Shape | Rectangular, Curved,Angled |
| Shaft Diameter | 0.16m |
| Turbine Height | 0.2m |
| Turbine Diameter | 0.96m |
| Blade Angle | 20o |
| Blade Max Width | 0.013m |
| Number of Blades | 6 |
So at the end of the our Project we would be able to get about 1KW of electricity from our Hydro Vortex Turbine depending upon the reservoir.
Height of channel opening
Length of channel opening
Diameter of the Casing
Shape
Shaft Diameter
Turbine Height
Turbine Diameter
Blade Angle
Blade Max Width
Number of Blades
| Shape | Rectangular, Curved,Angled |
| Shaft Diameter | 0.16m |
| Turbine Height | 0.2m |
| Turbine Diameter | 0.96m |
| Blade Angle | 20o |
| Blade Max Width | 0.013m |
| Number of Blades | 6 |
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