In a pump configuration, the fluid enters axially near the centre. Theoretical and experimental analyses of a turbine generator assembly utilizing compressed air, saturated steam and water as the working fluids were performed and are presented in this work. Tesla turbine claims high rotor efficiency for optimum design, but experimentally. Also, the turbine is unaffected by the quality of the fluid, thus can be used with fluids containing particulates. Highest recorded tesla turbines efficiency was at 00 angles of 34. A challenge related to tesla turbine is low efficiency. Operation of the tesla engine depends upon two wellknown properties of fluids. Among other things, he tried to improve water and wind turbines. The particularly good thing about tesla turbines is they are very easy to build. In this study, the experimental data showed that a 1 cm rotor could achieve an efficiency of 36%. Peshlakai 28 plotted the change in rotor efficiency with the mass flow rate of air, water and steam. Sadly unlike the work done with electricity the tesla turbine never became popular and was simply forgotten about.
C ansys contour plots of velocity for 10 mm water turbine. Design and computational analysis of 1 kw tesla turbine. Tesla s geothermal solution 2 minimize, the huge energy losses between the well head and the turbine. Tesla turbines are also known as cohesion turbines, bladeless turbines, boundary layer turbines and prandtl layer turbines. Energy harvesting by a novel substitution for expansion valves. There are a few companies on the internet that can build these for you as well. Then we oveview the numerical solution for previously simpli. Pdf fluid dynamics assessment of the tesla turbine rotor. Several experiments have been carried and all that concluded the same result of tesla turbine outperforming the 2. Exploratory calculations with the model indicate that turbine efficiencies exceeding 75% can be achieved by designing for optimal ranges of the governing dimensionless parameters. Study and design of bladeless tesla turbine research india. The basic principle which determined tesla s investigations was the wellknown fact that when a fluid steam, gas or water is used as a vehicle of energy, the highest possible economy can be obtained only when the changes in velocity and direction of the movement of. Tesla turbine, boundary layer turbine, rotating machinery 1.
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. Usually tesla turbine uses the water or pressurized air as a fuel thus its running cost is lowest than any other engine or turbine and its fuel is abundantly available everywhere in the world. The development of a micro tesla turbine was investigated by romanin et al. Tesla turbine design and the theory of operation of an. Two methods were chosen to model tesla turbine stall. Theoretical and experimental analyses of a turbinegenerator assembly utilizing compressed air, saturated steam and water as the working fluids were.
Selfpowered ammonia synthesis under ambient conditions. Tesla turbine features the work of ken rieli and others. Fluid entering through the inlets spirals inwards between disks, transferring power to the rotor shaft. The tesla turbine a solution looking for the right problem. How the tesla turbine works tesla turbine, tesla, water. Several criterion are therefore established for turbines and systems. With a design inspired by a ships sails, saphon energy has created the saphonian. Pdf a micro tesla turbine for power generation from low. Only in the last few years has there been new interest.
Tesla turbine kit, turbogenerator, from obi laser products. At the lowhead and lowflow region, the tesla cmscale turbine operating range is superimposed. Then, ammonia will be formed as a product of the reaction in the selfpowered system. Keywords tesla turbine, viscous turbine, miniaturize turbine, power mems, microturbine. 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. The turbine, invented by nikola tesla, which is based on a new principle. Maybe, one day, this invention created more than 110 years ago could completely change the way we produce safe drinking water, power or movement. A tesla turbine is a reversible turbomachine therefore it can be used as pump. A preliminary design of a tesla turbine for pico hydro. In this theoretical design of tesla turbine is a nonconventional bladeless turbine it. Tesla turbine has advantages of ease of production, versatility and low maintenance. 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.
Complete optimization of tesla turbine performance is beyond the scope of this paper. 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 32 days and reached approx. Design and fabrication of portable water turbine mechanical. In order to construct a dynamometer, thermodynamic flow apparatus and future turbines, we modeled the tesla turbine using theoretical calculations and preliminary experiments. Water turbines stredni prumyslova skola strojnicka. You can also convert a pressure cooker into a steam broiler to produce steam to run your tesla turbine. The pros and cons of tesla turbines are discussed in this article, as are those of the tesla pump. Jun 24, 2012 qizhi micro hydro water turbine generator us plug for household lighting tv electric furnace ect us stock110v 500w 3. However we are people that have been adapting the turbine for such purposes. Theory and performance of tesla turbines by vincent domenic. I have spent alot of time and effort trying to make this easy to understand and easy for anyone out there to do.
In this paper a water turbine is designed and fabricated based on the ideals of tesla s turbine. Industrial tesla turbines may be used in hybrid cars or in commercial applications. The goal of this thesis is not to optimize the performance of the tesla turbine, but to compare its performance with various working fluids. Inordertosolvethemanalitically,weneglectnonlinearterms.
May 17, 2019 tesla type turbines can also be referred to as multipledisk, friction, shearforce, or boundary layer turbomachinery. Tesla turbine was patented by nikola tesla, a serbian american inventorelectrical engineermechanical engineerphysicist in early 20th century. 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 being demonstrated in practice that each single disk of the rotor is capable of performing as much work as a whole. Pdf tesla turbine torque modeling for construction of a. Thus a series of experiments were run to determine stall torque and maximum run speed for a known. Treatment of a bladeless turbine designed by nikola tesla is given. The tesla turbine also makes a great steam engine motor to run a, ac or dc generator. The same parametric trends in performance are compared to test data for a microscale tesla turbine with water as a working fluid. 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. The tesla turbine is a bladeless centripetal flow turbine patented by nikola tesla in 19. It is referred to as a bladeless turbine because it uses the boundary layer. It works on pretty much same concept as any centripetal turbine. Tesla turbine, bladeless turbine, domestic purpose, design and fabrication, energy conversion 1.
In tesla s fullsized turbine, these discs were of hardened steel. Results and discussion the tesla turbine teng and ammonia synthesis mechanism as shown in fig. Teslas turbine is a bladeless turbine which uses series of rotating discs to covert fluid flow energy into mechanical energy. All major turbine components are shown and the actual rotorhousing clearance given. In remote places due to frequent power cuts the alternate source of energy for house hold power requirements is very essential. Construction and designing the basic design of the new turbine is similar to the conventional tesla turbine with some. It was invented and patented by nikola tesla on the 21st october 1909 at the united states patent office from experiments done in england. Indeed, it is a simple, reliable, and low cost machine. A schematic of tesla turbine flow theory is shown in figure 4. The basic principle which determined tesla s investigations was the wellknown fact that when a fluid steam, gas or water is used as a vehicle of energy, the highest possible economy can be obtained only when the changes in velocity and direction of the movement of the fluid are made as gradual and easy as possible. The theory of operation of a tesla turbine relies on boundary layer effects, which makes for good efficiency for the tesla turbine.
Experimental stall torque measurements were conducted in two stages. Design and fabrication of portable water turbine mechanical project abstract. Aug 1, 2016 how to make a tesla turbine greenest turbine. The steam produced in this reaction goes through the tesla turbine, in order to be condensed into distilled water when it comes out on the other side of the turbine. Signup for your free trial to the great courses plus here. Shaft speed measurements were taken with an optical laser tachometer and tesla turbine stall torque was measured using a spring force gauge.
Plastic turbine, metal turbine and hybrid tesla turbine from. These losses often amount to 70 percent of the available energy. Performance of tesla turbine using open flow water source. Pdf design and analysis of prototype tesla turbine for. The tesla rotor consists of parallel discs on a shaft, spaced apart a distance equal to or slightly greater than their thickness. Tesla turbine is much easier compared to the conventional turbines. While conventional turbines have been extensively researched and tested, tesla and boundary layer type turbines have not. The tesla turbine seems to offer several points of attractiveness when applied to lowpower applications. Modern improved and effective design of boundary layer turbine for. More applications are yet to be studied and developed. If you like this instructable please vote for it in the epilog challenge coming up. Description the banki turbine has a cylindrical runner with a horizontal shaft, which can. The tesla turbine was patented by none other than nikola tesla in 19. The use of tesla turbine in generation of electricity is.
Attaining high efficiency inne poses many tesla turbi. Aug 28, 2020 this article composes a systematic design methodology to obtain optimal parameters of the tesla turbine, which is applicable in water distribution systems, faced with the need to supply power for wireless sensors and other components used in smart water networks and the challenges associated with the feasibility of tesla turbine in a small scale. The tesla turbine us patent and plans sp500 generator. It has been untested with steam, water and other mediums. In an article written in 1912, tesla showed off a small engine that produced 110 hp and was the size of a derby hat. Theoretical and experimental analyses of a turbine generator assembly utilizing compressed air, saturated steam and water as the working fluids were. 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. Working with air, steam, water, vacuum and hot gases. As can be seen in figure 4, there is nothing complicated about the way a tesla turbine works. 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.
Our tesla turbine design represents the ideal, economical and efficient way to convert the ecat thermal heat into electricity. It is unaffected by sediment erosion due to lack of vanes. Hybrid tesla pelton 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. Introduction the cohesive properties of water enable the ascent of. Figure 4 schematic of fluid flow through the tesla turbine. Challenging the versatility of the tesla turbine asu digital. So, applications can be somewhat limited in the traditi. Assessment of performance of tesla turbine in water.
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