Vipin uniyal, nikhil kanojia, kshitij pandey shivalik college. The project was based on an existing impulse turbine, a onestage turbine set in an organic rankine cycle with the working fluid being r245fa. The turgo impulse turbine provides a unique and novel solution to increasing the capacity of a hydraulic impulse turbine while maintaining the nozzle and spear injector system as. In factory and lab tested turgo turbine performs with efficiency of about 90%. The jet coming out of the nozzle hits one or multiple buckets, rotating the turbine wheel and thus creating mechanical power. The present research work describes the development of turgo turbine blades on the solidworks software. Graduate thesis or dissertation experimental study of. Micro hydro page turgo power pelltonwheels runners pellton. The turgo turbine is a impulse turbine shown in fig 3. Reaction turbines are acted on by water which changes pressure as it. Pico turgo turbine below 5kw professional micro hydro power. Flow analysis of turgo impulse turbine for low head power plant. Other articles where turgo water turbine is discussed.
Sph method used for flow predictions at a turgo impulse. The turgo turbine is classified as an impulse turbine, similar to the pelton wheel, often used in picohydro systems. The turgo turbine is similar in operation to the pelton wheel. The design allows larger jet of water to be directed at an angle onto the runner face. In fact, it resembles a pelton only with half cups arranged around the. This ability to deal better with large volumes of water gives the turgo turbine an advantage when used in hydroelectric plants that have medium hydraulic heads. The impulse turbines are turgo, jornal, banki, girad and pelton turbine. Turgo turbine the turgo impulse turbine is a high capacity impulse turbine which utilises the same nozzle and spear injector system as the pelton. Pdf the present research work describes the development of turgo turbine blades on the solidworks software. Thus the turgo impulse turbine was born and a patent was applied for in 1919 and granted to the young engineer, eric crewdson. When the steam passes through the stationary nozzles and is directed at high velocity against the rotor buckets. Operational turgo turbine achieve efficiency of about 87%.
In this article, we see about the impulse turbine and reaction turbine principle, working and difference. Turgo turbine impulse turbine 3d cad model library. In most other respects they are very similar to peltons so the discussion above applies to both turbine types. Technical note impulse turgo and pelton turbine performance characteristics and their impact on picohydro installations bryan r. The water in a turgo turbine is moving quickly high velocity head, figure 2. An experimental investigation of design parameters. The pelton turbine was found to be less efficient with a peak of just over 70% at a speed ratio of about 0. This is widely used in pico hydro power plant because the cost of the turbine is low.
Instead of the jet striking the centre the bucket at a right angle and splitting into two the jet on the turgo enters the runner at an acute angle, passes through the wheel, and discharges from the other side. Turbine and generator is designed as a whole body, which has 3 bearings. The model is non realistic, build for just explaining the blade shape and design of turgo turbine. Mar 15, 2016 the turgo hydro turbine belongs to the impulse turbines class, along with pelton and cross flow machines, in which the energy exchange is based on the kinetic energy of the water that enters and leaves the turbine at atmospheric pressure. The impulse turbine may be set up in a number of ways. The turgo turbine is used for pico hydro power generation. Difference between pelton and turgo basically, the only difference is that the turgo has the jet enter about 20 degrees angle to the plane of rotation. It was a part of my masters research project in mechanical. The turgo hydro turbine belongs to the impulse turbines class, along with pelton and cross flow machines, in which the energy exchange is based on the kinetic energy of the water that enters and leaves the turbine at atmospheric pressure.
The turgo turbine, in figure 3, is an impulse turbine. Development of the turgo impulse turbine research portal. Designed in 1919 by gilkes as a modification of the pelton wheel, the. Flow analysis of turgo impulse turbine for low head power. Turgo turbine was developed gilkes energy company in 1919.
Renewable energy, hydropower, impulse turbines, turgo turbines, computational. Over 100 years later the turgo maintains its place as one of the most popular hydropower turbine designs, testament to the longevity of the original design and technology. The main classical hydraulic turbine types, after their invention in the last centuries, francis, 1848. Vipin uniyal, nikhil kanojia, kshitij pandey shivalik. Impulse turbine efficiency calculation methods with. This configuration may be developed in search of better efficiency or higher output. Dec 30, 20 the turgo turbine is an impulse water turbine designed for medium head applications. In a hydroelectric power plant, this is used to drive the generator of the turbine and that generator generates the mechanical energy of the turbine into electrical energy. Steam turbine is the widely use as a prime mover in power plants, refineries, petrochemical plants, food processing plants, power plants etc. The most common type of impulse turbine is pelton turbine.
The initial cost of the turbine is low and is similar to pelton wheel. In factory and lab tests turgo turbines perform with efficiencies of up to 90%. The main difference between the turgo and pelton turbine is the. This turbine is a modification of a standard impulse turbine. The turbine efficiency curve calculation is based on rated head design gross head less. The simplest configuration is a singlestage turbine. The research was carried out in order to perform cfd analysis of turgo turbine. In a hydroelectric power plant, this is used to drive the generator of the turbine and that generator generates the mechanical energy of. The initial cost of the turbine is low and is similar to. Pico turgo turbine is our regular water turbine generator on stock, people can buy it from us, and we can deliver the turbine and voltage controller by express couriers like dhl etc. Fem analysis of turgo impulse turbine blade sourabh khurana1, varun goel2 and anoop kumar2 1school of engineering and technology, shoolini university, bajhol, solan 173212, india 2department of mechanical engineering, national institute of technology, hamirpur 177005, india corresponding authors email.
Presents the turgo impulse turbine development from its invention until today. This type of turbine has been used in mediumsized units for moderately high heads. The type of hydropower turbine selected for a project is based on the height of standing waterreferred to as headand the flow, or volume of water, at the site. Because different hydro power project head and flow should choose different turbine and different size turbine runner to meet, turbine specification table can not show all the detail to meet all kind of condition of customers project situation, here table only for reference, so.
In the pulley is an open trapeze channel in which is located a steel. The maximum efficiency of an impulse wheel is achieved when the velocity of the runners at the center line of the nozzle is half the velocity of the incoming water. Highlights open issues for further research and development of the turgo turbine. Turgo turbine turgo impulse turbine 16 models available. The turgo turbine is an impulse water turbine designed for medium head applications. The turgo turbine is a hydroelectric impulse turbine that has. The turgo turbine is an impulse water turbine design for medium head application. Development of hydro impulse turbines and new opportunities. Turbine selection criteria for small hydropower development. Turgo turbines can handle higher water flow rates than a pelton turbine. An experimental comparison of the performance of two impulse. The turgo turbine is an impulse turbine, and can handle flow rates that are higher than those a pelton turbine can handle. This is a video taken from the inside of a test rig that measures the efficiency small scale impulse hydro turbine impellers.
Turgo hydro generator 48 volt dc langstons alternative power. In this case the jets aimed to strike the plane of the runner on one side and exists on the other. These turbines are in use for hydropower since 1919cobb and sharp, 20. Analysis of the mini turgo hydro turbine performance for different working regimes, pp.
Both offer high efficiency for a broad range of site conditions, but the primary difference is that the turgo can handle significantly higher water flow rates, allowing for efficient operation in lower head ranges and thus. Nov 12, 2015 this is a video taken from the inside of a test rig that measures the efficiency small scale impulse hydro turbine impellers. Fem analysis of turgo impulse turbine blade sourabh khurana 1, varun goel 2 and anoop kumar 2 1 school of engineering and technology, shoolini university, bajhol, solan 1732 12, india. The turgo turbine is an impulse machine similar to a pelton turbine but which was designed to have a higher specific speed. Model of a modified impulse turbine known as turgo. Operational turgo turbines achieve efficiencies of about 87%. Turgo turbine is the preferred turbine for hydropower when the available water source has a relatively high hydraulic head at low flow rates. The main difference between a pelton turbine and a turgo turbine is that turgo turbines use single cups instead of double cups on the wheel, and these cups are more shallow. Hydraulic turbineshydraulic turbines raven mechanical. The turgo impulse design is a high capacity, medium head, free jet impulse turbine. The working principle of this turbine is same as other impulse water turbines. The expansion may be divided into several stages, where a part of the expansion is performed through each.
By inclining the jet axially it allows more flow thorough the runner at a higher speed providing a machine suitable for use at head and flow rates usually reserved for francis. Difference between pelton and turgo hartvigsen hydro. The turgo impulse turbine is known for its reliability and strength, and it can perform efficiently with the range of flows. Turgo impulse wheel the turgo wheel is basically an improved version of the pelton. This has produced a turbine which operates in the higher flow ranges usually reserved for francis machines while maintaining a relatively flat efficiency curve. Compact structure, easy to install, very little civil works. Jan 31, 2020 turgo turbine is the preferred turbine for hydropower when the available water source has a relatively high hydraulic head at low flow rates.
The runner of turgo turbine look like a pelton runner split in half. A turgo turbine is a type of hydro turbine specifically an impulse turbine, developed in the 1920s, that is a variant of the pelton turbine. Turgo turbines were developed by gilkes in 1919 and are a development of the pelton turbine. Turgo impulse turbine design was developed by gilkes in 1919 to provide a simple impulse type machine with cons iderably higher specific speed than a singgj g g j gle jet pelton. As a result of its ability to maintain its original. Impulse turbine efficiency calculation methods with organic.
Turgo turbine turgo turbine is a kind of impulse turbine suit for head over 8m, flow over 0. Various methods of loss calculation were explored in the search for a method sufficiently accurate to. The type of turbine is entered by the user based on its suitability to the available head and flow conditions. Effect of nozzle angle and silt parameters on erosion and. Turgo hydro generator 48 volt dc langstons alternative.
Turgo hydro turbine, performance, efficiency, microhydro. The characteristic of pelton and turgo turbine performance. They can handle a higher flow rate than a physically similarsized pelton turbine and the rotor is slightly cheaper to manufacture. Impulse turgo and pelton turbine performance characteristics and. Analysis of the mini turgo hydro turbine performance for.
Impulse turbine and reaction turbineprinciple, working. Reaction turbines are acted on by water which changes pressure as it moves through the turbine and gives up its energy. The pelton wheel and turgo turbine are both termed as an impulse turbine and they can be applied in the picohydro systems because possess high efficiency. This in turn makes it possible to use a larger jet relative to the turbine pitch diameter, therefore for a given head and target rpm the turgo can handle more water and produce more power. It gives greater efficiency than the pelton turbine. In principle, the impulse steam turbine consists of a casing containing stationary steam nozzles and a rotor with moving or rotating buckets. Recent studies have shown that modern cfd tools combined with faster computing processors can be used to accurately simulate the operation of impulse turbine runners and injectors in timescales suitable for design optimisation studies and which. Impulse turbine and reaction turbineprinciple, working and.
Pdf fem analysis of turgo impulse turbine blade researchgate. The design of this impulse water turbine is inspired from pelton turbine. The turgo impulse turbine was invented and patented by eric crewdson, in 1919. I have not studied turgo turbine, so cant explain any concepts. The turgo impulse turbine provides a unique and novel solution to increasing the capacity of a hydraulic impulse turbine while maintaining the nozzle and spear injector system as used in pelton turbines for flow regulation. Fem analysis of turgo impulse turbine blade thaiscience. Forster technology is focused on design, manufacturing and marketing of micro hydro turbine generators. The use of computational fluid dynamics cfd has become a wellestablished approach in the analysis and optimisation of impulse hydro turbines. Effect of silt particles on erosion of turgo impulse. Under the best conditions, the turgo turbine efficiency was observed to be over 80% at a speed ratio of about 0. Design of impulse hydro turbines longdom publishing sl.
The turgo impulse turbine is a simple and robust design that generates power from a high velocity jet of water. A turbine was investigated by various methods of calculating its efficiency. Pico turgo turbine below 5kw professional micro hydro. Effect of silt particles on erosion of turgo impulse turbine. Difference between impulse and reaction turbine with pdf. A pelton turbine is installed horizontally and may contain numerous stages of runners and cups, each stage adding to the turbines efficient kinetic energy to drive the power generator. It converts the kinetic energy from the water jet into mechanical energy. The jet impinges at an oblique angle on the runner from one side and continues in a single path, discharging at the other side of the runner. Flow analysis of turgo impulse turbine for low head.
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