CN106545363A - A kind of miniature blade-free turbine - Google Patents
A kind of miniature blade-free turbine Download PDFInfo
- Publication number
- CN106545363A CN106545363A CN201710029592.3A CN201710029592A CN106545363A CN 106545363 A CN106545363 A CN 106545363A CN 201710029592 A CN201710029592 A CN 201710029592A CN 106545363 A CN106545363 A CN 106545363A
- Authority
- CN
- China
- Prior art keywords
- turbine
- blade
- inner sleeve
- sleeve
- armature spindle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D1/00—Non-positive-displacement machines or engines, e.g. steam turbines
- F01D1/34—Non-positive-displacement machines or engines, e.g. steam turbines characterised by non-bladed rotor, e.g. with drilled holes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D9/00—Stators
- F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
- F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
Abstract
The present invention relates to a kind of blade-free turbine, belongs to heat energy power mechanism technical field, including inner sleeve, outer sleeve, armature spindle, sealing ring and nozzle of air supply.This patent can be used as miniature and superminiature gas turbine acting part.Application boundary layer principle of the present invention, makes the air-flow into turbine drive inner sleeve and armature spindle rotation, externally does work, so as to break away from the restriction of conventional turbine Leaf.This patent overcome that tesla's type turbine is too high to disc type blade material intensity requirement and disc type blade running in deformation stability difference the shortcomings of, it is complicated that conventional gas turbine blade construction is solved simultaneously, manufacture requirements are high, and problem difficult in maintenance proposes a kind of blade-free turbine of new utilization boundary layer theory.
Description
Technical field
The invention belongs to heat energy power mechanism technical field, and in particular to a kind of miniature blade-free turbine.
Background technology
Gas turbine is a kind of internal combustion engine with the gas of continuous flowing as working medium, and the chemical energy of fuel is converted into machinery
The machinery of work(.Gas turbine is widely used in big power station, and the dynamical system of big machinery.Gas turbine exists
Each industrial circle such as aviation, naval vessel, locomotive, electric power, oil has obtained quite varied application.With in miniature and superminiature
The development of combustion engine demand, traditional heavy type, the direct miniaturization of heavy duty gas turbine cannot avoid heat transfer efficiency low, and blade
The problems such as difficult design.Meanwhile, gasoline engine and diesel engine there is also heat transfer efficiency low, it is impossible to small-sized due to cylinder engine complexity
The problem of change.Efficiency high, the miniature and superminiature gas turbine of simple structure receive the very big attention of countries in the world.
The simple cycle system of gas turbine is mainly made up of compressor, combustor and three big part of turbine, then is equipped with
Various aid systems, you can realize continuous externally acting.Its basic principle of operation is that compressor compressed air enters combustor,
The mixed combining combustion of compressed air and fuel in combustor, the gas after burning enter turbine, promote turbine with calming the anger
Machine impeller rotates together.Therefore, blade is the critical component of gas turbine, is worked under the operating mode of High Temperature High Pressure, and work liquid
Atom or molecule kinetic energy it is very big, a large amount of blades that clash into cause blade injury.Meanwhile, turbine is rotated with very high rotating speed, quilt
The debris of compressor intake system also easily cause blade injury, and working condition is very severe.Therefore, conventional gas turbine is to leaf
The intensity of piece, toughness, high-temperature stability, the performance such as corrosion resistance and cold and hot working propose very high requirement.Miniature and super
In miniature gas turbine, blade is faced with huge difficulty on material, processing and mounting technology.Especially superminiature combustion gas wheel
Machine, blade should meet the requirement of conventional gas turbine, while very high machining accuracy is also required to, therefore miniaturization difficult to realize
And large-scale production.
On October 21st, 1909, Ni Gula teslas (Nikola Tesla) have submitted a patent application, most finally
On May 6th, 1913 obtains two licenses：Entitled " fluid-propelled (the Fluid in the U.S. the 1,061,142nd
The patent of patent and the U.S. the 1st, 061,206 entitled " turbine (Turbine) " propulsion) ", this two specially
Profit is submitted on January 17th, 1911 as divisional application.The inventive point of this two patents is all to include that one splices between near-earth
The rotor without blades of the disk for separating.Working fluid is mutual with rotor by the viscosity of the fluid and its to the adhesiveness of the disk
Effect.Although being founded and proved by tesla, both as pump and turbine, and relatively good grinding is there has also been in the modern times
Study carefully, but the business success of tesla's turbine is little.In concept, tesla's formula turbine is simple and is substantially easy to build, phase
For conventional leaf gas turbine, which is more suitable on miniature or superminiature gas turbine.However, in order to obtain with by band leaf
The efficiency of the machine peer-level of piece, tesla's formula on-bladed turbine need material and the skill also not obtained up to date
Art.
The content of the invention
In view of this, it is an object of the invention to provide a kind of new micro blade-free turbine, it is adaptable to miniature and super
Miniature gas turbine field, can solve the problem that conventional gas turbine blade construction is complicated, and manufacture requirements are high, problem difficult in maintenance.
Can solve the problem that the restriction too high to material and technical requirements of tesla's formula turbine simultaneously.
The present invention is achieved through the following technical solutions：
A kind of miniature blade-free turbine, including：Inner sleeve, outer sleeve, armature spindle, nozzle of air supply, sealing shroud；
Matrix of the outer sleeve as system, the positioning and installation for other all parts；
The armature spindle is just connect with inner sleeve, is connected by bearing with outer sleeve, with inner sleeve rotation and externally
Acting；
The inner sleeve can follow the working fluid rotation imported between outer sleeve and inner sleeve；
The sealing shroud is by inlet end outer sleeve integral sealing；
The nozzle of air supply is gas leading-in device, and airintake direction is tangent with inside and outside sleeve.One turbine symmetrically can be matched somebody with somebody
Put multiple nozzles of air supply.
Operation principle：It is gases at high pressure into turbine, gases at high pressure can be by combustor is by burning acquisition or directly connects
Connect high pressure gas holder.Gases at high pressure into turbine are imported between outer sleeve and inner sleeve, and outer sleeve is fixed in
Laboratory reference system, armature spindle have just been connect with inner sleeve and have been connected by bearing with outer sleeve, therefore, inner sleeve rotor driven
Axle, as working fluid rotates, so as to externally do work.
This purposes of turbine application boundary layer theory, therefore, between the sleeve of inside and outside, distance is with work liquid property, border thickness
Spend and determine.As between inside and outside sleeve, distance excessively exceedes boundary layer thickness, extensive work liquid does not drive inner sleeve to do work
Just turbine is discharged, causes efficiency to reduce.As between inside and outside sleeve, distance is excessively less than boundary layer thickness, to inside and outside sleeve machinery
Requirement on machining accuracy can increase, and cause cost increase.Between the sleeve of inside and outside, distance should be determined by specific works liquid, be close to side
Thickness of boundary layer.
As inner sleeve will be rotated relative to outer sleeve, therefore, inner sleeve should be identical with outer sleeve shape
Axial symmetry sleeve, such as cylinder or cone.The advantage of conical design is that gas is imported by large radius, inside and outside
Rotate between portion's sleeve, derived by minor radius, gas is considered into into control quality such as, the radius of gas position is by gas
Kinetic energy determine, therefore, when gas is derived by minor radius, the most of mechanical energy for having changed into armature spindle of its kinetic energy.
Beneficial effect：(1) this blade-free turbine structure is simple, low to material and technical requirements, is capable of achieving extensive
Low cost production, and in optimization inside and outside sleeve spacing, after inside and outside sleeve axial length and inside and outside sleeve radius, extensively should
For various types of miniature and superminiature gas turbine.
(2) this blade-free turbine is capable of achieving the design of greater compactness of miniature and superminiature gas turbine, such as cone
Inner sleeve design can be imported between inside and outside sleeve as a part for compressor, gases at high pressure, drive inner sleeve rotation, rotation
The inner sleeve rotor driven axle acting for turning, while internally coldblade can be increased sleeve inner, becomes a compressor.Such as
Phenolphthalein enters gas and can lower the temperature for inner sleeve from air in combustor, compressor, and inner sleeve can pre- hot compressed air, reach
More fully burn in combustor.
(3) this blade-free turbine can reach higher efficiency, and traditional combustion engine limits effect due to complex structure
The further raising of rate.Wherein, portion of energy discharges internal combustion engine with heat energy, if realizing low-temperature burning in a combustion chamber, and leads to
Cross nozzle and heat energy is changed into into gas kinetic energy as far as possible, and gas kinetic energy is converted mainly into armature spindle mechanical energy, internal combustion engine free energy
Efficiency further can be improved.Meanwhile, a part of free energy is also due to working fluid is changed into turbulent flow and loses, and this turbine
Machine is done work using laminar flow.
(4) traditional combustion engine work efficiency has positive correlation with compression ratio, and generally, compression ratio higher position can reach higher
Efficiency.And too high compression ratio, the problems such as combustion knock can be caused.This blade-free turbine is capable of achieving combustor and individually sets
Meter, can reach very high efficiency without the need for big compression ratio.
(5) this blade-free turbine structure is simple, can meet the demand of superminiature gas turbine.Although traditional combustion engine
Experience is updated, but due to complex structure, ultraminiaturization is limited by self structure.And this blade-free turbine is due to knot
Structure is simple, can meet the requirement of ultraminiaturization.
Description of the drawings
Fig. 1 is blade-free turbine structure principle schematic.
Fig. 2 is blade-free turbine inlet road sectional drawing.
Wherein, 1- outer sleeves, 2- inner sleeves, 3- armature spindles, 4- nozzles of air supply, 5- sealing shrouds.
Specific embodiment
Develop simultaneously embodiment below in conjunction with the accompanying drawings, describes the present invention.
The invention provides a kind of miniature blade-free turbine, referring to accompanying drawing 1, including：Outer sleeve 1, inner sleeve
2nd, armature spindle 3, nozzle of air supply 4, sealing shroud 5；
Referring to accompanying drawing 1, gas is entered between outer sleeve 1 and inner sleeve 2 by nozzle of air supply 4, drives inner sleeve 2 to revolve
Turn, inner sleeve 2 is just connect with armature spindle 3, armature spindle 3 externally can do work.Gas is rotated in turbine, as kinetic energy reduces,
Radius of turn reduces, until outlet side excludes turbine.
Sealing shroud 5 seals the outer sleeve of inlet end, to prevent inlet end gas leakage.
Referring to accompanying drawing 2, it is air intake duct sectional drawing, gas enters turbine from nozzle of air supply 4.One Microturbine can be matched somebody with somebody
There are symmetrical some nozzles of air supply.
In sum, the preferred embodiments of the present invention are these are only, protection scope of the present invention is not intended to limit.It is all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvements made etc., should be included in the guarantor of the present invention
Within the scope of shield.
Claims (3)
1. a kind of turbine, critical piece is outer sleeve, inner sleeve, three part of armature spindle, it is characterised in that the outside
Sleeve is used for the positioning of other all parts and installation, and inner sleeve is just connect with armature spindle, can be outside with importing from nozzle of air supply
Working fluid before sleeve and inner sleeve is rotated, and so as to rotor driven axle is rotated, is externally done work.
2. a kind of Microturbine as claimed in claim 1, outer sleeve and the axle pair that inner sleeve is arbitrarily same shape
Claim housing, and have poor with the radial distance of boundary layer thickness decision.
3. a kind of Microturbine as claimed in claim 1, on-bladed, drive inner sleeve and armature spindle rotation by boundary region
Turn acting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710029592.3A CN106545363A (en) | 2017-01-06 | 2017-01-06 | A kind of miniature blade-free turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710029592.3A CN106545363A (en) | 2017-01-06 | 2017-01-06 | A kind of miniature blade-free turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106545363A true CN106545363A (en) | 2017-03-29 |
Family
ID=58398565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710029592.3A Pending CN106545363A (en) | 2017-01-06 | 2017-01-06 | A kind of miniature blade-free turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106545363A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020093952A1 (en) * | 2018-11-09 | 2020-05-14 | 时剑 | Oblique-impact-type turbine having needle-shaped components |
| WO2022150933A1 (en) * | 2021-01-18 | 2022-07-21 | Boundary Energy Inc. | Boundary-layer turbomachine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2087834A (en) * | 1932-05-23 | 1937-07-20 | Chester W Brown | Fluid impeller and turbine |
| US4534699A (en) * | 1983-06-22 | 1985-08-13 | Possell Clarence P | Coal fired turbine |
| DE102005039024A1 (en) * | 2005-08-18 | 2007-02-22 | Seemann Gmbh | Tesla boundary layer turbine and porous burner combination for e.g. motor vehicle, has closed fluid loop between porous burner and tesla boundary layer turbine, and compressor provided at connection of side parts of turbine |
| CN103306738A (en) * | 2012-03-08 | 2013-09-18 | 时剑 | Annular Tesla turbine |
| CN103620163A (en) * | 2011-05-10 | 2014-03-05 | 埃尔拉股份有限公司 | Turbo-engine, particularly internal combustion engine |
| CN104747239A (en) * | 2015-04-01 | 2015-07-01 | 南京航空航天大学 | Composite single screw expander |
-
2017
- 2017-01-06 CN CN201710029592.3A patent/CN106545363A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2087834A (en) * | 1932-05-23 | 1937-07-20 | Chester W Brown | Fluid impeller and turbine |
| US4534699A (en) * | 1983-06-22 | 1985-08-13 | Possell Clarence P | Coal fired turbine |
| DE102005039024A1 (en) * | 2005-08-18 | 2007-02-22 | Seemann Gmbh | Tesla boundary layer turbine and porous burner combination for e.g. motor vehicle, has closed fluid loop between porous burner and tesla boundary layer turbine, and compressor provided at connection of side parts of turbine |
| CN103620163A (en) * | 2011-05-10 | 2014-03-05 | 埃尔拉股份有限公司 | Turbo-engine, particularly internal combustion engine |
| CN103306738A (en) * | 2012-03-08 | 2013-09-18 | 时剑 | Annular Tesla turbine |
| CN104747239A (en) * | 2015-04-01 | 2015-07-01 | 南京航空航天大学 | Composite single screw expander |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020093952A1 (en) * | 2018-11-09 | 2020-05-14 | 时剑 | Oblique-impact-type turbine having needle-shaped components |
| WO2022150933A1 (en) * | 2021-01-18 | 2022-07-21 | Boundary Energy Inc. | Boundary-layer turbomachine |
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Application publication date: 20170329 |
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