The design of a 1 kw tesla turbine was carried using iterative process for head and discharge for main dimensions of the turbine. I see a lot of references to the efficiency of the tesla turbine, however, i cant find any actual data. This is part 1 out of three of the mk2 micro tesla building series. Design and fabrication of cmscale tesla turbines spotlight. It took way longer than i was expecting, due to the fact that i had to rebuilt the rotor. As a result, model s acceleration is instantaneous, silent and smooth. 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. 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. Study and design of bladeless tesla turbine 883 also be achieved with protuberances which are raised in the plates by blows or pressure. 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 turbine was patented by nikola tesla, a serbian american inventorelectrical engineermechanical engineerphysicist in early 20th century. The corotating disks are centred and locked to the shaft. The bladeless wind turbine is completely enclosed in a relatively small compact unit.
Tesla turbine design and the theory of operation of an. Design and optimization of a tesla turbine for orc. Tesla is a really genius smartest person i have ever seen. Attaining high efficiency inne poses many tesla turbi. Organic rankine cycle orc system has been proven to be an effective method for the low grade energy utilization. The tesla turbine is a nonconventional promising technology that is yet to be fully researched and optimized. Does anyone have a handle on actual achievable efficiencies of the tesla turbine. The tesla turbine is made of acrylic and aluminium.
Design analysis of tesla microturbine operating on a lowboiling. 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. Design and analysis of prototype tesla turbine for power generation applications. However this work is not done in an afternoon, and would require a big investment. 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. Although tesla never tested his turbine in a car, he did, by some accounts, develop an electric car in 1931. Tesla turbine claims high rotor efficiency for optimum design, but experimentally many difficulties has been found to achieve high efficiencies in nozzles and rotors. A tesla turbine differs from a conventional turbine only in the mechanism used for transferring energy to the shaft.
A micro tesla turbine for power generation from low pressure heads and evaporation driven flows vedavalli g. A schematic of tesla turbine flow theory is shown in figure 4. Yet power plants use this very design to pump fly ash through a 21 stage vacumn system, 14 inch dia. Pdf design and analysis of prototype tesla turbine for. 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. Therefore, the propelling fluid of tesla turbine moves in. Ive read everything from 25 to 95% but have found 4060% to be believeable, based on videos.
Theory and performance of tesla turbines by vincent domenic. 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. Instead of using windpowered blades to rotate a shaft and generator, the teslainspired design consists of. The results indicate the turbine is capable of achieving a turbine efficiency of 31. Micro tesla turbine mk2 part2 housing, end caps, nozzle. The theory of operation of a tesla turbine relies on boundary layer effects, which makes for good efficiency for the tesla turbine. Design, construction and testing of a tesla turbine. I have spent alot of time and effort trying to make this easy to understand and easy for anyone out there to do. The design consists of several, closelyspaced rigid disks set in parallel on a shaft figure 1. Working with air, steam, water, vacuum and hot gases. In 19, nikola tesla discovered tesla turbine was produced again in todays technology.
The upper part of the casing is removed to show the rotor, which is eighteen. It works on pretty much same concept as any centripetal turbine. 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. I have seen tesla fans try to make jet engines using the tesla turbines for.
Instead of using windpowered blades to rotate a shaft and generator, the tesla inspired design consists of an. The design of a 1 kw tesla turbine was carried using iterative process for head and discharge for main dimensions of the. The particularly good thing about tesla turbines is they are very easy to build. 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. Within the literature, the tesla turbine has been commonly referred as a boundary layer, multipledisk, friction, or shear force turbine rice, 2003. 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. Its working principle is the combination of the principles of both these type of turbines i. Industrial tesla turbines may be used in hybrid cars or in commercial applications. This turbine is ideal for experiments with air, steam, water and hot gases. Previous work tesla turbine was patented by nikola tesla in 1903. 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. More applications are yet to be studied and developed. Design and computational analysis of 1 kw tesla turbine ijsrp. Several experiments have been carried and all that concluded the same result of tesla turbine outperforming the 2.
The pros and cons of tesla turbines are discussed in this article, as are those of the tesla pump. Pdf design and analysis of prototype tesla turbine for power. The testing resulted in an estimated maximum efficiency of 8. Tesla turbines have high efficiency when driven with low pressure flows, are relatively simple to manufacture and scale down very favorably. May 26, 2016 this is part 2 of the micro tesla turbine mk2 building series.
If you like this instructable please vote for it in the epilog challenge coming up. A tesla turbine design can reach much higher efficiency, therefore creating a much larger roi. While conventional turbines have been extensively researched and tested, tesla and boundary layer type turbines have not. Unlike conventional turbines, jet engines and most pumps, teslas turbine can be designed to be reversible with no loss in efficiency. The investigation yielded a design capable of generating 300 w under conditions of 20 m head and 2. The turbine efficiency has been increased by increasing nozzle. Naturally, the performance of tesla turbines has already been characterized by a. Design and computational analysis of 1 kw tesla turbine. May 07, 2010 the bladeless wind turbine is completely enclosed in a relatively small compact unit. Complete optimization of tesla turbine performance is beyond the scope of this paper. Tesla turbine, with the upper section of the case removed to show the disks, etc. 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. Performance estimation of tesla turbine applied in small.
Pdf development of tesla turbine for green energy applications. 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. Tesla was denied a patent for a transmission he designed using his pump and turbine. Tesla turbines are also known as cohesion turbines, bladeless turbines, boundary layer turbines and prandtl layer turbines. The goal of this thesis is not to optimize the performance of the tesla turbine, but to compare its performance with various working fluids. Figure 4 schematic of fluid flow through the tesla turbine.
In turn, making the discs bigger will reduce the rpm of the tesla turbine, but it could increase efficiency. As can be seen in figure 4, there is nothing complicated about the way a tesla turbine works. New tesla metal turbine closed loop, hybrid, ceramic bearings and higher efficiency once again this tesla turbine is eagerly awaited. Tesla turbine torque modeling for construction of a dynamometer and turbine. Various analyses demonstrate the flow rate between the disks must be kept relatively low to maintain efficiency. 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.
Design and offdesign analysis of a tesla turbine utilizing co2 as. 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. As a pump it can do some really cools stuff as other people have posted. 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. A preliminary design of a tesla turbine for pico hydro applications has been undertaken employing rices analytical method. Sep 09, 2011 as a turbine the tesla turbine is terrible. 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. The car was a piercearrow, which had been configured with an 80horsepower, 1,800rpm electric motor instead of a gaspowered engine. The efficiency of the preliminary turbine design was near 80% but it is believed that. 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.
Treatment of a bladeless turbine designed by nikola tesla is given. 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. Design and operation of tesla turbo machine a state of the. Working fluid variations and turbine performance by aaron peshlakai.
Modern improved and effective design of boundary layer turbine for. Tesla s formula for determining torque from patent. This, more than anything, prevented the tesla turbine from becoming more widely used. 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. In small scale applications, the tesla turbine offers an attractive option for the organic expander if an efficient design can be achieved. This is part 2 of the micro tesla turbine mk2 building series. The experts laughedat first when told this tesla turbine of 200 horsepower ran 16,000 revolutions to the minute. Tesla turbine boundary layer sheartorque bladeless test rig. 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. All major turbine components are shown and the actual rotorhousing clearance given.
How efficient are teslabladeless turbines as reddit. 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. Reportedly, the efficiency of the tesla turbine drops with increased load. Here a model is made of tesla turbine and effort is made to understand on how to increase the efficiency by experimenting onafew parameters. With air or a vacuum no special precautions need to be undertaken. Does anyone know the efficiency of a tesla turbine. 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. The efficiency of the tesla turbine depends on many parameters, namely on. A single gas turbine will have thermal efficiency anywhere from 20% like that in a fighter jet up to about 65% for power. Modern improved and effective design of boundary layer. Barriers to tesla turbine commercialization howstuffworks. As far as comparing efficiency, i have no idea how efficient a tesla turbine is, but if you want a comparison. This invention relates to improvements in the construction of the tesla turbine, british patent no. Nikola teslas revolutionary turbine still lies untouched.
948 543 1141 1389 1485 115 31 1256 94 658 353 1516 985 85 1177 1268 127 336 756 684 1057 1404 599 282 340 182 379 113 1232 259 439 521