Hybrid teslapelton wheel turbine works on the principle of boundary layer flow of tesla turbine and the impulse force of pelton wheel turbine its primary objective is to minimize the mechanical losses and achieve better efficiency. Reportedly, the efficiency of the tesla turbine drops with increased load. Design and optimization of a tesla turbine for orc. Tesla maintains that in the turbine which forms the subject of this article, he has carried the steam and gas motor a long step forward toward the maximum attainable efficiency, both theoretical and mechanical. Nikola teslas revolutionary turbine still lies untouched. More applications are yet to be studied and developed. Design and analysis of prototype tesla turbine for power generation applications. This is part 1 out of three of the mk2 micro tesla building series. He invented ac current generators and motors, radio, fluorescent, radar, mri, laser technology, robotics technology, earthquake machine and many more in fact, it can be used today, thanks to science, man. As can be seen in figure 4, there is nothing complicated about the way a tesla turbine works. Design and fabrication of cmscale tesla turbines by vedavalli gomatam krishnan doctor of philosophy in electrical engineering and computer science university of california, berkeley professor michel martin maharbiz, chair this dissertation discusses the design and scaling characteristics of tesla or socalled. Study and design of bladeless tesla turbine 883 also be achieved with protuberances which are raised in the plates by blows or pressure.
Within the literature, the tesla turbine has been commonly referred as a boundary layer, multipledisk, friction, or shear force turbine rice, 2003. Design and computational analysis of 1 kw tesla turbine ijsrp. Owing to a number of causes affecting the performance, it is difficult to frame a precise rule which would be generally applicable, but it may be stated that within certain limits, and other conditions being the same, the torque is directly proportionate to the square of the velocity of the fluid relatively to the runner and to the. The design of a 1 kw tesla turbine was carried using iterative process for head and discharge for main dimensions of the. Tesla maintains that in the turbine which forms the subjprt of this article, he has carried the steam and gas motor a long step forward toward the maximum attainable efficiency, both theoretical. A single gas turbine will have thermal efficiency anywhere from 20% like that in a fighter jet up to about 65% for power. Tesla is a really genius smartest person i have ever seen.
With air or a vacuum no special precautions need to be undertaken. Performance estimation of tesla turbine applied in small. A schematic of tesla turbine flow theory is shown in figure 4. A tesla turbine design can reach much higher efficiency, therefore creating a much larger roi. As far as comparing efficiency, i have no idea how efficient a tesla turbine is, but if you want a comparison. The efficiency of the preliminary turbine design was near 80% but it is believed that. As a result, model s acceleration is instantaneous, silent and smooth. Although tesla never tested his turbine in a car, he did, by some accounts, develop an electric car in 1931. In operation, a tesla turbine is simply a turbomachine which is reasonably efficient at a fairly high rotational speed, dependent on several factors, including gap between the discs and disc diameter, but not too efficient to get moving. Assume that the pumping process is to be reversed, that the disks, instead of being turned by an outside force, are to produce power themselves, that steam under pressure has been substituted for the water. All these things would be pretty easy to measure and get a real thermal efficiency for the tesla turbine. Theory and performance of tesla turbines by vincent domenic.
In 19, nikola tesla discovered tesla turbine was produced again in todays technology. The bladeless wind turbine is completely enclosed in a relatively small compact unit. It works on pretty much same concept as any centripetal turbine. Sep 09, 2011 as a turbine the tesla turbine is terrible. This turbine is ideal for experiments with air, steam, water and hot gases. Instead of using windpowered blades to rotate a shaft and generator, the tesla inspired design consists of an. The tesla turbine is a nonconventional promising technology that is yet to be fully researched and optimized. Therefore, the propelling fluid of tesla turbine moves in. Modern improved and effective design of boundary layer turbine for.
Complete optimization of tesla turbine performance is beyond the scope of this paper. This, more than anything, prevented the tesla turbine from becoming more widely used. Design and operation of tesla turbo machine a state of the. Does anyone know the efficiency of a tesla turbine. Design analysis of tesla microturbine operating on a lowboiling. A micro tesla turbine for power generation from low pressure heads and evaporation driven flows vedavalli g. The particularly good thing about tesla turbines is they are very easy to build. The assessed efficiency of the turbine was over 20% claiming that the main causes of losses were mainly parasitic losses, in particular due to bearings. The design consists of several, closelyspaced rigid disks set in parallel on a shaft figure 1. May 26, 2016 this is part 2 of the micro tesla turbine mk2 building series.
Does anyone have a handle on actual achievable efficiencies of the tesla turbine. This invention relates to improvements in the construction of the tesla turbine, british patent no. The guiding idea for developing tesla turbine is the fact that in order to attain the highest efficiency, the changes in the velocity and direction of movement of fluid should be as gradual as possible. Several experiments have been carried and all that concluded the same result of tesla turbine outperforming the 2. May 07, 2010 the bladeless wind turbine is completely enclosed in a relatively small compact unit. The pros and cons of tesla turbines are discussed in this article, as are those of the tesla pump. While conventional turbines have been extensively researched and tested, tesla and boundary layer type turbines have not.
Ive read everything from 25 to 95% but have found 4060% to be believeable, based on videos. As a pump it can do some really cools stuff as other people have posted. Tesla s formula for determining torque from patent. The goal of this thesis is not to optimize the performance of the tesla turbine, but to compare its performance with various working fluids.
Instead of using windpowered blades to rotate a shaft and generator, the teslainspired design consists of. The investigation yielded a design capable of generating 300 w under conditions of 20 m head and 2. New tesla metal turbine closed loop, hybrid, ceramic bearings and higher efficiency once again this tesla turbine is eagerly awaited. Pdf design and analysis of prototype tesla turbine for. Tesla turbine, with the upper section of the case removed to show the disks, etc. I have spent alot of time and effort trying to make this easy to understand and easy for anyone out there to do. Tesla turbine torque modeling for construction of a dynamometer and turbine.
The theory of operation of a tesla turbine relies on boundary layer effects, which makes for good efficiency for the tesla turbine. Tesla maintains that in the turbine which forms the subject of this article, he has carried the steam and gas motor a long step forward toward the maximum attainable efficiency, both. The testing resulted in an estimated maximum efficiency of 8. The results indicate the turbine is capable of achieving a turbine efficiency of 31. Design, construction and testing of a tesla turbine. In turn, making the discs bigger will reduce the rpm of the tesla turbine, but it could increase efficiency. This project is to design and fabricate the tesla turbine with gas as working fluid and looking at the potential of installation a tesla turbine onto the car in order to utilize those energy which. Tesla was denied a patent for a transmission he designed using his pump and turbine. The tesla turbine is made of acrylic and aluminium. Tesla turbine claims high rotor efficiency for optimum design, but experimentally many difficulties has been found to achieve high efficiencies in nozzles and rotors.
The turbine efficiency has been increased by increasing nozzle. Previous work tesla turbine was patented by nikola tesla in 1903. Master of arts mechanical engineering, may 2011, 80 pp. Tesla turbomachinery offers a robust, easily manufactured, extremely versatile prime mover with inherent capabilities making it perhaps the best, if not the only, solution for certain niche applications. A preliminary design of a tesla turbine for pico hydro applications has been undertaken employing rices analytical method. Pdf development of tesla turbine for green energy applications. Working fluid variations and turbine performance by aaron peshlakai. Tesla maintains that in the turbine which forms the subject of this article, he has carried the steam and gas motor a long step forward toward the maximum attainable efficiency, both theoretical and. A tesla turbine differs from a conventional turbine only in the mechanism used for transferring energy to the shaft.
Figure 4 schematic of fluid flow through the tesla turbine. Various analyses demonstrate the flow rate between the disks must be kept relatively low to maintain efficiency. Yet power plants use this very design to pump fly ash through a 21 stage vacumn system, 14 inch dia. Based on its compact size, it also has the potential to be bolted onto an ecat reactor into a car, producing the first cold fusion car in history, without the need for expensive batteries and infra structure. The 1 cm 3 rotor diameter turbine presented here is, to our knowledge, the smallest tesla turbine reported, with an unloaded peak power of 45 mw 12 ccsec flow, 17% efficiency and a peak. Design and offdesign analysis of a tesla turbine utilizing co2 as. The lowtech turbine, by nikola tesla who also loved cheap, and was shut down and marginalized for wanting to give the world low cost free energy, drawn from the quantum vacuum flux in the fabric of space time, which is well proven to contain abundance of energy. We currently have two turbine models for sale the standard tesla turbine kit and our new pumping and multi stage tesla turbine kit which is the only type of its kind available to buy worldwide, both of which can also be upgraded to electricity generating models, the details of all model types can be found below for your consideration. If you like this instructable please vote for it in the epilog challenge coming up. Its working principle is the combination of the principles of both these type of turbines i. The 1 cm3 rotor diameter turbine presented here is, to our knowledge, the smallest tesla turbine reported, with an unloaded peak power of 45 mw 12 ccsec flow, 17% efficiency and a peak. It took way longer than i was expecting, due to the fact that i had to rebuilt the rotor. All major turbine components are shown and the actual rotorhousing clearance given.
Pdf design and analysis of prototype tesla turbine for power. In small scale applications, the tesla turbine offers an attractive option for the organic expander if an efficient design can be achieved. I see a lot of references to the efficiency of the tesla turbine, however, i cant find any actual data. In the same year kenneth hicks 11 published a patent with an. Modern improved and effective design of boundary layer. How efficient are teslabladeless turbines as reddit. Here a model is made of tesla turbine and effort is made to understand on how to increase the efficiency by experimenting onafew parameters. Barriers to tesla turbine commercialization howstuffworks. Design and computational analysis of 1 kw tesla turbine. Naturally, the performance of tesla turbines has already been characterized by a. The upper part of the casing is removed to show the rotor, which is eighteen. Tesla turbine is best suited for low power generation spectrum or where primary cost is critical or where fluid properties hinder the performance of conventional turbine. The experts laughedat first when told this tesla turbine of 200 horsepower ran 16,000 revolutions to the minute.
This is compared to experimental measurements of the efficiency of a tesla turbine using. From what tesla wrote in the patent it seems his experiments were mainly done with fluids but had confirmed it works with air as well. This is part 2 of the micro tesla turbine mk2 building series. Unlike conventional turbines, jet engines and most pumps, teslas turbine can be designed to be reversible with no loss in efficiency. Tesla turbine design and the theory of operation of an. Attaining high efficiency inne poses many tesla turbi. Construction and designing the basic design of the new turbine is similar to the conventional tesla turbine with some. Organic rankine cycle orc system has been proven to be an effective method for the low grade energy utilization. The car was a piercearrow, which had been configured with an 80horsepower, 1,800rpm electric motor instead of a gaspowered engine. The design of a 1 kw tesla turbine was carried using iterative process for head and discharge for main dimensions of the turbine. Industrial tesla turbines may be used in hybrid cars or in commercial applications. If an automatic adjuster, for example controlled by a raspberry pi, would monitor the turbine, it could adjust the distance from the magnets, automatically for gaining higher overall efficiency of the generator part of the tesla turbine. Tesla intended to use his turbine to propel aircraft, in geothermal power plants, in cars instead of pistons, for vacuum pumps, for compressing air and liquifying gases.
I have seen tesla fans try to make jet engines using the tesla turbines for. The corotating disks are centred and locked to the shaft. Micro tesla turbine mk2 part2 housing, end caps, nozzle. The efficiency of the tesla turbine depends on many parameters, namely on. Design and fabrication of cmscale tesla turbines spotlight. Tesla turbines have high efficiency when driven with low pressure flows, are relatively simple to manufacture and scale down very favorably. Design and operation of tesla turbo machine a state of. Tesla turbine was patented by nikola tesla, a serbian american inventorelectrical engineermechanical engineerphysicist in early 20th century. However this work is not done in an afternoon, and would require a big investment. Treatment of a bladeless turbine designed by nikola tesla is given.
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