AT99553B - Guide or rotor blades for centrifugal machines, in particular water, steam and gas turbines. - Google Patents

Guide or rotor blades for centrifugal machines, in particular water, steam and gas turbines.

Info

Publication number
AT99553B
AT99553B AT99553DA AT99553B AT 99553 B AT99553 B AT 99553B AT 99553D A AT99553D A AT 99553DA AT 99553 B AT99553 B AT 99553B
Authority
AT
Austria
Prior art keywords
steam
guide
gas turbines
rotor blades
particular water
Prior art date
Application number
Other languages
German (de)
Original Assignee
Escher Wyss Maschf Ag
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 Escher Wyss Maschf Ag filed Critical Escher Wyss Maschf Ag
Application granted granted Critical
Publication of AT99553B publication Critical patent/AT99553B/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
    • F03B3/16—Stators
    • F03B3/18—Stator blades; Guide conduits or vanes, e.g. adjustable
    • 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
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/14—Form or construction
    • F01D5/141—Shape, i.e. outer, aerodynamic form
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
    • F03B3/12—Blades; Blade-carrying rotors
    • F03B3/121—Blades, their form or construction
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/20—Hydro energy

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Hydraulic Turbines (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Description

  

   <Desc/Clms Page number 1> 
 



  Leit-oder Laufschaufeln für Kreiselmaschinen, insbesondere Wasser-, Dampf-und
Gasturbinen. 
 EMI1.1 
 

 <Desc/Clms Page number 2> 

 
 EMI2.1 
 Die Neigung der Wendepunktstangente zur x-Achse ist wesentlich für die Grösse des hydraulischen Widerstandes, welchen die Schaufeln der strömenden Flüssigkeit bietet, u. zw. ist es erforderlich, um einen möglichst kleinen hydraulischen Widerstand zu erhalten, die Neigung dieser Wendepunktstangente mit der Grösse der   Strömungsgeschwindigkeit   zu verändern. Es sollte also für jede Strömungsgeschwindigkeit 
 EMI2.2 
 
Die angegebene Gleichung kann auch auf Zylinderkoordinaten umgeformt werden, wenn an Stelle der x-Achse ein Kreisbogen gewählt wird, wobei dann die y-Achse zum Radiusvektor wird. Es ist auf diese Weise möglich, die Funktion auf Schaufelschnitte mit beliebig gekrümmter Mittellinie anzuwenden.

   Schaufeln der beschriebenen Art lassen sich sowohl als Leit-wie auch Laufschaufeln bei Kreiselmasehinen beliebiger Art, insbesondere aber bei Wasser-, Dampf-und Gasturbinen verwenden.



   <Desc / Clms Page number 1>
 



  Guide or rotor blades for centrifugal machines, in particular water, steam and
Gas turbines.
 EMI1.1
 

 <Desc / Clms Page number 2>

 
 EMI2.1
 The inclination of the inflection point tangent to the x-axis is essential for the size of the hydraulic resistance offered by the blades of the flowing liquid, u. zw. In order to obtain the smallest possible hydraulic resistance, it is necessary to change the inclination of this inflection point tangent with the magnitude of the flow velocity. So it should be for any flow rate
 EMI2.2
 
The specified equation can also be converted to cylindrical coordinates if an arc is selected instead of the x-axis, the y-axis then becoming the radius vector. In this way, it is possible to use the function on blade cuts with any curved center line.

   Blades of the type described can be used both as guide blades and rotating blades in centrifugal machines of any type, but in particular in water, steam and gas turbines.

Claims (1)

PATENT-ANSPRUCH : EMI2.3 EMI2.4 PATENT CLAIM: EMI2.3 EMI2.4
AT99553D 1923-05-17 1924-03-29 Guide or rotor blades for centrifugal machines, in particular water, steam and gas turbines. AT99553B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH104164T 1923-05-17

Publications (1)

Publication Number Publication Date
AT99553B true AT99553B (en) 1925-04-10

Family

ID=4362987

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99553D AT99553B (en) 1923-05-17 1924-03-29 Guide or rotor blades for centrifugal machines, in particular water, steam and gas turbines.

Country Status (5)

Country Link
AT (1) AT99553B (en)
CH (1) CH104164A (en)
DE (1) DE421265C (en)
FR (1) FR580271A (en)
GB (1) GB216113A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3722839A1 (en) * 1986-11-28 1990-02-08 Blauer Miklos Zoltan Dipl Masc Ideal streamlined body
GB0510417D0 (en) 2005-05-21 2005-06-29 Rotech Holdings Ltd Improved turbine
CN102011672B (en) * 2010-12-08 2012-07-25 清华大学 Mixed flow turbine employing novel guide blade and runner blade profile
CN110925127A (en) * 2019-12-26 2020-03-27 薛冻 Novel water flow generator

Also Published As

Publication number Publication date
CH104164A (en) 1924-06-16
DE421265C (en) 1925-11-09
GB216113A (en) 1924-10-09
FR580271A (en) 1924-11-04

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