A preliminary design of a tesla turbine for pico hydro applications has been undertaken employing rices analytical method. Design, construction and testing of a tesla turbine. Tesla s formula for determining torque from patent. On this page are listed tesla coil formulas for a reference to those who prefer to make calculations on paper. As a result of this model work, a new tesla turbine of different dimensions was designed to adjust for flaws in the experimental turbine. Speed control systems for steam turbines consist of three basic elements. The fluid passes between the rotor disks and causes the rotor to spin. It introduces the operating principle of the tesla turbine, which was invented by engineer nikola tesla, a turbine. 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. Tesla turbine torque modeling for construction of a. The design of the tesla turbine is also such that saturated steam does not appear to damage the turbine or reduce its. Tesla turbine design and the theory of operation of an. Our tesla turbine design represents the ideal, economical and efficient way to convert the ecat thermal heat into electricity. This is a new tesla turbine design that produces more energy at lower rpms than the original design.
Tesla turbine, bladeless turbine, domestic purpose, design and fabrication, energy conversion 1. Design and fabrication of portable water turbine mechanical. Teslas design of turbines is the topic of this seminar. The bladeless wind turbine is completely enclosed in a relatively small compact unit. Design and operation of tesla turbo machine a state of. Tesla turbine design has the fluid flow between two parallel disks in which the gap is. The design of a 1 kw tesla turbine was carried using iterative process for head and discharge for main dimensions of the turbine. The rotor is housed by a metal casing which contains the inlet nozzle as well as. Sensing elements include fly ball weights, electric generators, and positive displacement pumps. In comparison, a bladed turbine design uses pressure forces from the fluid on the blades to turn them, not frictional forces. Thus a series of experiments were run to determine stall torque and maximum run speed for a known. This paper presents results of the design analysis of a tesla bladeless turbine intended for a cogenerating micropower plant of heat capacity 20 kw, which operates in an organic rankine cycle on a lowboiling medium.
Modern improved and effective design of boundary layer. Jul 19, 2017 this tesla turbine design use 10inch saw blades with 200 teeth to build this 30 blade turbine. Understanding and preventing steam turbine overspeeds 1 control design intentions is very important. Design and optimization of a tesla turbine for orc.
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. If you like this instructable please vote for it in the epilog challenge coming up. What is important to take note of is that the tesla turbine has been documented to operate with a lower steam consumption than other bladed type turbines operating in the same class. Theory and performance of tesla turbines by vincent domenic romanin doctor of philosophy in engineering mechanical engineering university of california, berkeley professor van p. Teslas design sidestepped the key drawbacks of the bladed turbine. Design and scaling of microscale tesla turbines vedavalli g krishnan1 2vince romanin2 van p carey and michel m maharbiz1 1 eecs, university of california berkeley, ca. If you want an easy way of getting a physical model of the tesla turbine, this is a great way. The turbine design and generator mount allows for possibility of changing the generator or connecting to something else. Thus a series of experiments were run to determine stall torque and.
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. Impulse turbine efficiency calculation methods with. Construction and designing the basic design of the new turbine is similar to the conventional tesla turbine with some. Instead of using windpowered blades to rotate a shaft and generator, the tesla inspired design consists of an. It is not intended to be used for prolonged periods or to be permanently used. Results of the models show that the vortex model sets. Design and analysis of prototype tesla turbine for power generation applications.
Tesla turbine, how to make your own tesla turbine for. Tesla had nearly 300 patents and countless ideas and inventions, but frequently referenced his particular turbine innovation as one of his most important. The gas turbine outlet temperature is maintained at the level of t4a 630 c. By altering the blade pattern and the outer surface edges this. In the same year kenneth hicks 11 published a patent with an. Theoretical and experimental research performed on the. The pros and cons of tesla turbines are discussed in this article, as are those of the tesla pump. Instead of using windpowered blades to rotate a shaft and generator, the teslainspired design consists of.
A novel methodology for the complete design of a tesla turbine was proposed and assessed. It assumes the same vent diameter to disc diameter ratio as for tesla s 9. Each component was designed taking into account the mutual relationships between the different parts of the machine. An innovative model for the solution of the rotor flow field was developed. Boundary layer tesla turbine page stanford university. The modifications planned so that the turbine is made suitable for low head applications. History of tesla turbines a tesla turbine is a quite unique technology.
Industrial tesla turbines may be used in hybrid cars or in commercial applications. There are a lot of factors geometry, pressure ratios, rpm that affect the efficiency of a turbomachine, but generally, tesla turbines perform poorly at. Output powercalculations on tesla turbine physics forums. This, more than anything, prevented the tesla turbine from becoming more widely used. In the second patent, tesla modified the basic design so it would work as a turbine. Study and design of bladeless tesla turbine 883 also be achieved with protuberances which are raised in the plates by blows or pressure. The turbine is supplied on a aluminium base for display and demonstration purposes connected using two m6 hex cap screws. For each of the following outlet conditions state 2, determine the specified quantities. A theory of tesla disc turbines sayantan sengupta, abhijit. In the first patent, tesla introduced his basic bladeless design configured as a pump or compressor.
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. The investigation yielded a design capable of generating 300 w under conditions of 20 m head and 2. Design and computational analysis of 1 kw tesla turbine ijsrp. So, when jet of fluid passes through the disk,dueto adhesion the disk will rotate. We are talking about water turbine so the materials, of which is the turbine going to made, cannot come under rust. Polish maritime research, design analysis of tesla micro. The tesla turbine is a bladeless centripetal flow turbine patented by nikola tesla in 19. Naturally, the performance of tesla turbines has already been characterized by a number of researchers. Previous work tesla turbine was patented by nikola tesla in 1903. Pdf development of tesla turbine for green energy applications. The purpose of this project is to design and fabricate low head water turbine based on teslas turbine design.
Pdf verification of model calculations for the kaplan. The program takes user input for disc diameter and gap width. I am shibiraj, four year mechanical engineering student. We report on the scaling properties and loss mechanisms of tesla turbines and provide design. As the part of my projects designing of tesla turbine is take as my projects topic. Pdf design and analysis of prototype tesla turbine for. Pdf this dissertation discusses the design and scaling characteristics of tesla or socalled friction turbines, and offers design solutions. Pdf design and fabrication of cmscale tesla turbines. Pdf in order to design a water turbine, the theory of the physical similarity of hydraulic machines is used in technical practice. Study and design of bladeless tesla turbine research india.
The torsion of the spring is automatically shown by beams of light and mirrors and the horsepower is read off a scale. Tesla turbine cold steam engine theory 100% efficiency as claimed by nikola tesla. Barriers to tesla turbine commercialization howstuffworks. 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.
It does suffer from other problems such as shear losses and flow restrictions. While conventional turbines have been extensively researched and tested, tesla and boundary layer type turbines have not. The efficiency of the preliminary turbine design was near 80% but it is believed that. The tesla turbine, as you may have guessed, was patented by nikola tesla in 19. Polish maritime research, design analysis of tesla. 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. Discs have to be as thin as possible, to preventturbulenceatdiscedges.
Design analysis of tesla microturbine operating on a lowboiling. I have spent alot of time and effort trying to make this easy to understand and easy for anyone out there to do. Some of tesla turbines advantages lie in relatively low flow rate applications or when small applications are called for. The theoretical stall torque models were then applied to the new tesla turbine design. The theory of operation of a tesla turbine relies on boundary layer effects, which makes for good efficiency for the tesla turbine. Attaining high efficiency inne poses many tesla turbi. Theory and performance of tesla turbines by vincent domenic. On october 8th, 2014 andrea rossi publicly released his third party independent report of his hot cat lenr cold fusion reactor, which ran nonstop for. Understanding and preventing steam turbine overspeeds by. Calculated design data for the multipledisk turbine using incompressible. To make the turbine run, a highpressure fluid enters the nozzles at the stator inlets.
Calculation of various parameters as per the design requirements. Millimeterscale, microelectromechanical systems gas turbine. This paper includes design and fabrication of portable water turbine along with necessary results and calculations. The word turbine in this situation can be misleading. Design and fabrication of portable water turbine mechanical and automobile ieee project topics, thermal engineering base paper ideas, synopsis, abstract, report, figures, full pdf, working details for mechanical engineering me, diploma, btech, be, mtech and msc college students. A micro tesla turbine for power generation from low pressure heads and evaporation driven flows vedavalli g. The definition of an impulse turbine is that the majority of the fluid expansion takes place in the fixed turbine stators. Impulse turbine efficiency calculation methods with organic. 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.
Rices 2 analysis was among the first, and claims that turbines can be made up to 90% efficient. The data are presented in both graphical and numerical form. Carey, chair this document summarizes the development of an integral perturbation solution of the. Design and operation of tesla turbo machine a state of the. After the experiment the tesla turbine will be used as an educational instrument. In 19 nikola tesla patented a turbine without blades, that uses. And finally, with the third patent, he made the changes necessary to operate the turbine as an internal combustion engine. Tesla turbine is an unconventional turbine that uses fluid properties such as boundary layer and adhesion of fluid on series of smooth disks keyed to a shaft. Numerical calculations of flow in several tesla turbine models were performed for a range of design parameters. 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.
Pdf this paper offers a fundamental ideal to design household. Can i get the empirical formula or mathematical relation which used for the design of tesla turbine. Its working principle is the combination of the principles of both these type of turbines i. Pdf optimization of tesla turbine using computational. In order to construct a dynamometer, thermodynamic flow apparatus and future turbines, we modeled the tesla turbine using theoretical calculations and preliminary experiments. Design and computational analysis of 1 kw tesla turbine. 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.
Eventually, the fluid exits through the exhaust ports in the center of the turbine. Based on teslas model modifications are planned to the design to improve the efficiency. May 07, 2010 the bladeless wind turbine is completely enclosed in a relatively small compact unit. It assumes the same vent diameter to disc diameter ratio as for teslas 9. In the case of the tesla turbine, the calculation is complicated by the speed of the rotor at the time of consideration. Exploratory calculations with the model indicate that turbine.
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