WO2012122940A1 - Turbine de tesla - Google Patents

Turbine de tesla Download PDF

Info

Publication number
WO2012122940A1
WO2012122940A1 PCT/CN2012/072366 CN2012072366W WO2012122940A1 WO 2012122940 A1 WO2012122940 A1 WO 2012122940A1 CN 2012072366 W CN2012072366 W CN 2012072366W WO 2012122940 A1 WO2012122940 A1 WO 2012122940A1
Authority
WO
WIPO (PCT)
Prior art keywords
rotor
nozzle
stator
tesla turbine
fins
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.)
Ceased
Application number
PCT/CN2012/072366
Other languages
English (en)
Chinese (zh)
Inventor
时剑
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of WO2012122940A1 publication Critical patent/WO2012122940A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

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
    • F01D1/32—Non-positive-displacement machines or engines, e.g. steam turbines with pressure velocity transformation exclusively in rotor, e.g. the rotor rotating under the influence of jets issuing from the rotor, e.g. Heron turbines

Definitions

  • the present application relates to the field of steam turbine technology, and in particular to a Tesla turbine.
  • Tesla turbines also known as bladeless turbines, are usually constructed by securing a plurality of smooth and thin discs at a pitch on a shaft. The airflow impacts the discs from the tangential direction, and the discs are driven by the boundary layer effect. The shaft rotates together.
  • the conventional structure of the above-described Tesla turbine has problems that the disk is easily deformed, the eddy current between the disks is large, and the vibration is large.
  • the purpose of the present application is to provide a Tesla turbine comprising a rotor and a nozzle, the rotor of which is Annular, the inner wall of the rotor is distributed with annular fins extending in the radial direction of the rotor, the nozzle is located at one end of the inner portion of the rotor, and the fluid ejection direction of the nozzle is substantially along the tangential direction of the fin, and the fin near one end of the nozzle The spacing of the fins is smaller than the spacing of the fins away from the end of the nozzle .
  • the Tesla turbine of the present application replaces the thin disc of the conventional Tesla turbine with a ring-shaped fin on the inner side of the ring, so that the large-diameter rotor is also not easily deformed, and the pitch of the fins near one end of the nozzle is smaller than that of the far-away nozzle.
  • the spacing of the fins at one end makes the distribution of the fins more suitable for the volume expansion after the fluid is ejected, and the change of the speed from high to low is beneficial to improve the conversion efficiency of the energy carried by the fluid.
  • FIG. 1 is a schematic structural view of an embodiment of a Tesla turbine of the present application, wherein FIG. 1(a) is a plan view and FIG. 1(b) is a longitudinal cross-sectional view;
  • FIG. 2 is a schematic structural view of another embodiment of the Tesla turbine of the present application, wherein FIG. 2(a) is a plan view and FIG. 2(b) is a longitudinal cross-sectional view.
  • FIG. 1 One embodiment of the Tesla turbine of the present application can be referred to FIG. 1 and includes a rotor 101 and a nozzle 102.
  • the rotor 101 is annular, and the inner wall of the rotor 101 is distributed with annular fins 103 extending in the radial direction of the rotor.
  • the nozzle 102 is located at one end of the interior of the rotor 101, and the fluid discharge direction of the nozzle 102 is substantially along the tangential direction of the fin.
  • the pitch of the fins near one end of the nozzle 102 is smaller than the pitch of the fins away from one end of the nozzle.
  • the number of nozzles is two, and in other embodiments, a larger or smaller number of nozzles may be provided.
  • the fins 103 are parallel to each other.
  • the fins may also be connected end to end to form an internal thread shape, which are advantageous for the fluid to form a vortex.
  • the rotor upper cover 104 fixedly coupled to the rotor and the rotating shaft 105 fixed to the upper cover 104 are provided at one end of the rotor close to the nozzle, and in other embodiments, Other power output modes can be used, and the power output mode of the rotor is not limited in this application.
  • the fluid passes from the passage 106 to the nozzle 102, and the nozzle 102 is sprayed toward the fin 103 on the inner side of the rotor 101.
  • the fluid forms a vortex under the guiding action of the fin 103, and the rotor 101 is greatly increased by the fin 103 on the inner side of the rotor 101.
  • the contact surface with the fluid according to the boundary layer effect, the rotor 101 will be rotated together by the air flow, thereby realizing the rotation of the rotor 101, and the exhaust gas that has been completed is discharged from the other end of the rotor.
  • the boundary layer formed on the surface of the fin is relatively thin, and when the fluid gradually expands to reach the lower part of the rotor, the flow velocity gradually decreases, and the boundary is gradually lowered.
  • the thickness of the layer is correspondingly increased, so that the spacing of the fins near the nozzle is set smaller and the spacing of the fins away from the nozzle is set larger, which can better utilize the boundary layer effect and improve the conversion of the energy carried by the fluid. usage efficiency.
  • FIG. 2 Another embodiment of the Tesla turbine of the present application can be referred to FIG. 2, including a rotor 201, a nozzle 202, and a stator 207.
  • the structure of the fin 201 of the rotor 201 and its inner wall is similar to that of the rotor 101 and the vane 103 in the first embodiment.
  • the stator 207 is placed inside the rotor 201 and substantially fills the space inside the rotor 201.
  • the term "substantially full” refers to occupying more than half of the space inside the rotor 201.
  • the nozzle 202 is disposed at one end of the stator 207, and the inside of the stator 207 is provided with a fluid passage 206 communicating with the nozzle 202.
  • the number of nozzles is two, symmetrically distributed on both sides of the stator. In other embodiments, a greater or lesser number of nozzles may be provided, preferably evenly distributed around the stator, so that the rotor is evenly stressed.
  • the stator 207 is provided with a diameter of one end of the nozzle 202 larger than the diameter of the other end, so that a gap 208 is formed between the small end of the stator 207 and the rotor (compared to the gap at the other end of the stator), the gap It can be the exhaust port.
  • the stator may have other shapes, such as a shape having a uniform upper and lower diameter.
  • the rotor upper cover 204 and the rotating shaft 205 for the power output of the rotor are similarly provided.
  • other power output modes may be adopted, and the power output mode of the rotor is not limited in the present application. .
  • stator which substantially fills the internal space is provided inside the rotor, the fluid is more concentrated on the surface of the fin than the internal space of the hollow crucible of Embodiment 1, and energy dissipation can be reduced, and utilization efficiency can be improved. Further, the stator is arranged to have a structure that is large and small, and can better adapt to changes in fluid from high speed to low speed and gradually expand in volume.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

L'invention porte sur une turbine de Tesla, comprenant un rotor et une buse ; le rotor est de forme circulaire, et des ailettes de forme annulaire qui s'étendent radialement le long du rotor sont disposées sur la paroi intérieure du rotor ; la buse est placée à l'intérieur du rotor à une première extrémité, le fluide sortant de la buse est projeté sensiblement dans la direction tangentielle des ailettes, et l'espacement des ailettes à proximité de la buse est plus petit que celui des ailettes à distance de la buse.
PCT/CN2012/072366 2011-03-16 2012-03-15 Turbine de tesla Ceased WO2012122940A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2011100639134A CN102678186A (zh) 2011-03-16 2011-03-16 一种环形特斯拉涡轮
CN201110063913.4 2011-03-16

Publications (1)

Publication Number Publication Date
WO2012122940A1 true WO2012122940A1 (fr) 2012-09-20

Family

ID=46810686

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2012/072366 Ceased WO2012122940A1 (fr) 2011-03-16 2012-03-15 Turbine de tesla

Country Status (2)

Country Link
CN (1) CN102678186A (fr)
WO (1) WO2012122940A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105201559A (zh) * 2014-06-20 2015-12-30 时剑 一种穿透式涡轮
CN106801631A (zh) * 2015-11-25 2017-06-06 熵零股份有限公司 一种热功转换方法
CN112354275B (zh) * 2020-10-23 2022-10-21 河北华丰能源科技发展有限公司 具有自清理功能的气体过滤装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997040259A1 (fr) * 1996-04-18 1997-10-30 Quangui Shen Turbine a vapeur sans pales
WO2004109074A2 (fr) * 2003-03-18 2004-12-16 Johnson Neldon P Turbine a gaz sous pression presentant une amelioration electrothermodynamique
CN2704687Y (zh) * 2004-06-02 2005-06-15 沈泉贵 汽穴转子汽轮机
DE102007013136A1 (de) * 2007-03-15 2008-09-18 Gerhold, Richard, Dr. Wärmekraftmaschine in Form eines hermetischen Heron-Dampf-Rotors mit Flüssigkeitsring
CN201753619U (zh) * 2010-08-18 2011-03-02 时剑 一种环形特斯拉涡轮

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2087834A (en) * 1932-05-23 1937-07-20 Chester W Brown Fluid impeller and turbine
US5746789A (en) * 1995-11-28 1998-05-05 Innovatech, Inc. Apparatus for separating particulates from a fluid stream
US6368078B1 (en) * 2000-11-27 2002-04-09 John F. Palumbo Bladeless turbocharger
US20060216149A1 (en) * 2004-10-26 2006-09-28 Wilson Erich A Fluid Flow Channels in Bladeless Compressors, Turbines and Pumps
US7824149B2 (en) * 2005-11-23 2010-11-02 Momentum Technologies Corporation Turbine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997040259A1 (fr) * 1996-04-18 1997-10-30 Quangui Shen Turbine a vapeur sans pales
WO2004109074A2 (fr) * 2003-03-18 2004-12-16 Johnson Neldon P Turbine a gaz sous pression presentant une amelioration electrothermodynamique
CN2704687Y (zh) * 2004-06-02 2005-06-15 沈泉贵 汽穴转子汽轮机
DE102007013136A1 (de) * 2007-03-15 2008-09-18 Gerhold, Richard, Dr. Wärmekraftmaschine in Form eines hermetischen Heron-Dampf-Rotors mit Flüssigkeitsring
CN201753619U (zh) * 2010-08-18 2011-03-02 时剑 一种环形特斯拉涡轮

Also Published As

Publication number Publication date
CN102678186A (zh) 2012-09-19

Similar Documents

Publication Publication Date Title
CN106168143B (zh) 一种具有侧向抽气槽及球窝的透平叶片尾缘冷却结构
CN111120008B (zh) 一种新型透平叶片旋流冷却结构
CN102834588B (zh) 用于涡轮机的轮叶或叶片
CN105114186B (zh) 一种用于预旋冷却系统的叶孔式预旋喷嘴
CN105275499B (zh) 一种具有离心增压和封严效果的双辐板涡轮盘盘心进气结构
CN102588000B (zh) 涡轮叶片前缘沉槽肋内冷结构及其方法
CN103089335A (zh) 适用于涡轮叶片后部冷却腔的w形肋通道冷却结构
JP6145157B2 (ja) タービン翼の後縁冷却スロット
CN105041479A (zh) 一种带有齿腔射流的航空发动机篦齿封严密封结构
WO2012122940A1 (fr) Turbine de tesla
CN203891942U (zh) 一种新型汽轮机叶片
CN106438456A (zh) 一种前端带螺旋结构的旋流泵叶轮及其设计方法
CN101173613A (zh) 向心涡轮叶轮顶部间隙泄漏抑制结构
CN107060889A (zh) 一种具有盘腔扰流柱的双辐板涡轮盘
CN202707620U (zh) 新型多隔板泵体
CN112324522B (zh) 一种基于涡流效应的预旋喷嘴
WO2026082199A1 (fr) Micro-générateur hydroélectrique
CN102619572A (zh) 叶轮及采用该叶轮的动力装置
JP7523471B2 (ja) 翼型用の壁面近傍前縁冷却チャネル
CN111350549B (zh) 一种适用于富燃工质涡轮高温静叶的冷却结构
WO2022227582A1 (fr) Structure de chambre de combustion ayant un échangeur de chaleur
JPH10306702A (ja) ガスタービン翼
CN113187561A (zh) 一种新型迷宫、隔板、穿孔密封结构
WO2014008800A1 (fr) Turbine filamenteuse
CN218324972U (zh) 一种新型隔板-穿孔隔板组合式迷宫密封结构

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 12757469

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 13/02/2014)

122 Ep: pct application non-entry in european phase

Ref document number: 12757469

Country of ref document: EP

Kind code of ref document: A1