So, when jet of fluid passes through the disk,dueto adhesion the disk will rotate. Obviously the tesla turbine and other innovations products can be sold on the open market and have dozens of other uses and a huge potential for commercialization. In the netherlands there are several private initiatives to put up large wind turbines. Most people know nikola tesla, the eccentric and brilliant man who arrived in new york city in 1884, as the father of alternating current. The purpose of which is to enhance the torque of the turbine.
A revised tesla turbine concept for orc applications. The tesla turbine is different in the sense that air and water do not strike a blade. Jun 01, 2015 a practical design tool is also offered, which inputs user specifications on head, flow, particulate size, and medium to generate a list of possible turbine designs along with a recommendation for four candidate designs. The turbine is supplied on a aluminium base for display and demonstration purposes connected using two m6 hex cap screws. Instead of a conventional pump or turbine, which has blades, the solution from tesla lacks these elements. You can then run the motor on compressed air to test it. We are talking about water turbine so the materials, of which is the turbine going to made, cannot come under rust. It is referred to as a bladeless turbine because it uses the boundary layer effect and not a fluid impinging upon the blades as in a conventional turbine.
The turbine housing pieces were cut from standard 0. Design, manufacturing and testing of a hybrid tesla turbine ijeat. The word turbine in this situation can be misleading. Nelson turbomachinery consultant dickinson, texas and perryc. The aerodynamic design principles for a modern wind turbine blade are detailed, including blade plan shapequantity, aerofoil selection and optimal attack. There are a lot of factors geometry, pressure ratios, rpm that affect the efficiency of a turbomachine, but generally, tesla turbines perform poorly at high flow rates, most likely due to frictional losses. The steam enters at the periphery, and flows in spiral paths to exhaust at the center of the disks. It was invented and patented by nikola tesla on the 21st october 1909 at the united states patent office from experiments done in england. Our tesla turbine design and associated other innovations represent the ideal economical and efficient way to convert the ecat heat into electricity.
Pdf design of a bladeless wind turbine tresa harsha p. In 19 nikola tesla patented a turbine without blades, that uses a series. A tesla turbine is a blade less centripetal flow turbine patented by nikola tesla in the early 20th century. Pdf development of tesla turbine for green energy applications. Results of the models show that the vortex model sets. Re reynolds number based on blade height and absolute velocity at stator outlet. Pdf design and analysis of prototype tesla turbine for power. Pdf froude scaling is a generally reliable way to design models of floating wind turbines for wave basin testing. Contrary to popular belief, he didnt invent the bladeless turbine, but he took the basic concept, first patented in europe in 1832, and made several improvements. The top half of casings is removed, showing two rotors.
Three dimensional model of the new proposed design of the tesla turbine has been made with the. To avoid excessive vibration and cracking of the lexan material it was clamped between two pieces of 14 plywood while cutting. A matlab gui is provided for generating design specifications and turbine performance sensitivity. Air or steam is injected into the closed turbine housing at the outer edge of the disks. Aerodynamic design, analysis and dynamic modelling of a. Design and operation of tesla turbo machine a state of the. If not built properly, blades could break or crack. Abstract of the invention an improved turbine using the edge of the blades of the working surface instead of the blade s face, and further utilizing both expansion blades and adhesion discs. Design and fabrication of cmscale tesla turbines eecs at. Side pieces for the new 6 inch turbine runner housing were cut from 0.
Two and three dimensional models of the proposed tesla turbine. Each cad and any associated text, image or data is in no way sponsored by or affiliated with any company, organization or realworld item, product, or good it may purport to portray. Design and computational analysis of 1 kw tesla turbine. The aim is to eliminate these problems by advancement in design i. The theoretical stall torque models were then applied to the new tesla turbine design. Discs have to be as thin as possible, to preventturbulenceatdiscedges.
Turbines that would provide a quiet, safe, simple and efficient alternative to our supposedly advanced bladed turbine aircraft engines are the need of the hour. A tesla turbine seemed like the most interesting option, and this is the build. The bladeless wind turbine is completely enclosed in a relatively small compact unit. He retired fro m amoco oil company, after more than 36 years in. The design of such an unconventional turbine was conceived considering the catastrophic. Rices 2 analysis was among the first, and claims that turbines can be made up to 90% efficient. Previous work tesla turbine was patented by nikola tesla in 1903. The turbine design and generator mount allows for possibility of changing the generator or connecting to something else. The tesla turbine motor plans free energy motors and. The tesla turbine is also known as the boundarylayer turbine, cohesiontype turbine, and prandtllayer turbine after ludwig prandtl because it uses the boundarylayer effect and not a fluid impinging upon the blades as in a conventional turbine. May 07, 2010 the bladeless wind turbine is completely enclosed in a relatively small compact unit. Design and operation of tesla turbo machine a state of.
Rices 2 analysis was among the first and claims turbines can be made up to 90% efficient, and designs on paper by hoyan and lawn et al claim over 70% efficiency 3 4. Unique tesla turbine design tesla on the tesla turbine such a machine is a thermodynamic transformer of an activity surpassing by far that of any other prime mover, it. A hybrid tesla turbine with boundary layers and blades. As its description explains, the tesla turbine is a blade less solution. Tesla turbine implementation as a nonconventional energy resource vii.
In tesla turbines, the fluid profile and the length of the fluid path inside the rotor control the pressure drop and momentum transfer. Tesla turbines are made out of a series of thin disks attached to a central rotor. This design consists of bladeshape washers between the discs thus, the. The theory of operation of a tesla turbine relies on boundary layer effects, which makes for good efficiency for the tesla turbine. Pdf the objective of the present research is to examines the potential benefits of tesla. 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 had nearly 300 patents and countless ideas and inventions, but frequently referenced his particular turbine innovation as one of his most important.
Instead, some of the air or water pushes the outer edge of a disk, and the as the rest is pulled between the disks, flow is converted into tighter spirals which generate centrifugal force. Oct 19, 2016 as its description explains, the tesla turbine is a blade less solution. In this paper, a design method based on blade element momentum bem theory is explained for hawt blades. Ed nelson is a tu rbo machinery consultant based in dickinson, texas. The efficiency of the preliminary turbine design was near 80% but it is believed that. Tesla s new engine was a bladeless turbine, which would still use a fluid as the vehicle of energy, but would be much more efficient in converting the fluid energy into motion. The tesla turbine is a bladeless centripetal flow turbine patented by nikola tesla in 19. This tesla turbine design use 10inch saw blades with 200 teeth to build this 30 blade turbine. Teslas design of turbines is the topic of this seminar. Flowmodel cfd calculations of various models of tesla disk turbines were carried out on the basis of the rans model wilcox, 1993 supplemented by the k sst menter etal. Tesla turbine previous work tesla turbine performance has been characterized by many researchers. The tesla steam turbine scientific american september 30th, 1911 tesla s new monarch of machines new york herald oct. However, instead of using angled blades to rotate a shaft, it uses smooth, parallel discs. Nikola tesla in 19,1 whose rotation shaft was driven by the viscous.
Jul 19, 2017 this tesla turbine design use 10inch saw blades with 200 teeth to build this 30 blade turbine. Teslas new engine was a bladeless turbine, which would still use a fluid as the vehicle of energy, but would be. In comparison, a bladed turbine design uses pressure forces from the fluid on the blades to turn them, not frictional forces. Tesla turbine design and the theory of operation of an. I have seen tesla fans try to make jet engines using the tesla turbines for. Learn how to make a powerful high rpm tesla turbine motor from plywood and aluminum flashing. Understanding and preventing steam turbine overspeeds by william e. As a pump it can do some really cools stuff as other people have posted. One such turbine called the bladeless turbine that poses to be the ideal replacement for the conventional turbines was successfully designed. Tesla s patent paperwork doesnt define a specific number, but uses a more general description, saying that the rotor should contain a plurality of disks with a. Industrial tesla turbines may be used in hybrid cars or in commercial applications. Hasinger and kehrt9 explored the fluid flow in a blade less turbine.
The tesla turbine performance potential for orc application was assessed. Design and optimization of a tesla turbine for orc. Design and optimization of a tesla turbine for orc applications. Nearby is a bladeless waterwheel turbine of tesla s design. According to saphon energy, the saphonian is more efficient than bladed turbines and its performance coefficient cp is way beyond betz limit 59. Tesla turbine 3d printable 3d cad model library grabcad. A novel methodology for the complete design of a tesla turbine was developed. The investigation yielded a design capable of generating 300 w under conditions of 20 m head and 2. Aerodynamic design of horizontal axis wind turbine blades designing horizontal axis wind turbine hawt blades to achieve satisfactory levels of performance starts with the knowledge of aerodynamic forces acting on the blades. History of tesla turbines a tesla turbine is a quite unique technology. As a result of this model work, a new tesla turbine of different dimensions was designed to adjust for flaws in the experimental turbine. The apparatus comprises a runner composed of a plurality of flat rigid disks of suitable diameter, keyed to a shaft 16, and held in position thereon by a.
The aerodynamic power and power coefficients curves are drawn for the optimized wind turbine. An innovative model for the solution of rotor flow field was applied. Tesla turbine design has the fluid flow between two parallel disks in. Study and design of bladeless tesla turbine research india. Pdf design, analysis and test of a model turbine blade. The turbine is also known as the boundary layer turbine and prandtl turbine operating on the principle of the boundary layer. Like its bladed turbine counterparts, it converts moving fluids into energy. Fluid entering through the inlets spirals inwards between disks, transferring power to the rotor shaft. The same principle powers his famous turbine engine. Pdf design of a bladeless wind turbine semantic scholar. The tesla turbine does away with the blades and uses a series of disks instead. A boy watches a radiocontrolled boat in the town of smiljan, croatia, nikola tesla s hometown. The hybrid tesla pelton wheel turbine is similar to the tesla turbine, except for its discs, that are all or in part replaced by the new discs that have characteristics of the pelton wheel. Pdf this paper offers a fundamental ideal to design household green.
Understanding and preventing steam turbine overspeeds by. At the lowhead and lowflow region, the tesla cmscale turbine operating range is superimposed. Modern improved and effective design of boundary layer. One such turbine called the bladeless turbine that poses to be the ideal. The size and number of the disks can vary based on factors related to a particular application. Tesla turbine download pdf info publication number us20020182054a1. Tesla s pumps and motors were unique in that they only used discs, and took advantage of the boundary layer effect.
Each rotor consists of 25 disks 38inch thick by 18 inch diameter. With a design inspired by a ships sails, saphon energy has created the saphonian a bladeless wind turbine at double the efficiency, and half the cost, of a regular wind turbine. Instead of using windpowered blades to rotate a shaft and generator, the tesla inspired design consists of an. After the experiment the tesla turbine will be used as an educational instrument. Pdf design and fabrication of cmscale tesla turbines. Nikola teslas revolutionary turbine still lies untouched. Abstract turbines that would provide a quiet, safe, simple and efficient alternative to our supposedly advanced bladed turbine aircraft engines are the need of the hour.
The new addition in the design is that a special blade type strip is mounted on the top of the each disc. In the same year kenneth hicks 11 published a patent with an. Aerodynamic design of horizontal axis wind turbine blades. The tesla turbine, as you may have guessed, was patented by nikola tesla in 19. Ive been inspired by johnnyq90, so a massive thanks to. A preliminary design of a tesla turbine for pico hydro applications has been undertaken employing rices analytical method. Study and design of bladeless tesla turbine 883 also be achieved with protuberances which are raised in the plates by blows or pressure. Tesla s favorite invention, the turbine is a superefficient design that has no blades, relying instead on smooth, closely spaced discs that get dragged along by. Naturally, the performance of tesla turbines has already been characterized by a number of researchers. The design of a 1 kw tesla turbine was carried using iterative process for head and discharge for main dimensions of the turbine. In nikola tesla 1 patented a turbine without blades that uses a series of rotating discs to convert energy of fluid flow to mechanical rotation, which can be used to. The pros and cons of tesla turbines are discussed in this article, as are those of the tesla pump.
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