JPS56154105A - Nozzle for hot-water turbine - Google Patents

Nozzle for hot-water turbine

Info

Publication number
JPS56154105A
JPS56154105A JP5841180A JP5841180A JPS56154105A JP S56154105 A JPS56154105 A JP S56154105A JP 5841180 A JP5841180 A JP 5841180A JP 5841180 A JP5841180 A JP 5841180A JP S56154105 A JPS56154105 A JP S56154105A
Authority
JP
Japan
Prior art keywords
throat
nozzle
tapering
circular
sectional area
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
Application number
JP5841180A
Other languages
Japanese (ja)
Inventor
Sadao Sato
Koki Kakihara
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.)
Kobe Steel Ltd
Original Assignee
Kobe Steel Ltd
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 Kobe Steel Ltd filed Critical Kobe Steel Ltd
Priority to JP5841180A priority Critical patent/JPS56154105A/en
Publication of JPS56154105A publication Critical patent/JPS56154105A/en
Pending legal-status Critical Current

Links

Landscapes

  • Engine Equipment That Uses Special Cycles (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

PURPOSE: To raise turbine efficiency by providing a tapering part with the narrowing angles of 60W180° on the upper course side of a throat part.
CONSTITUTION: The narrowing angle θ of the tapering part of a tapering divergent nozzle 3 having a throat part 3d whose angle θ is set at 60W180° is maintained at the range between the throat 3d and the part on the upper course side of the throat 3d where the sectional area is smaller than 5 times of that of the throat 3d. The ratio of the curvature of a throat circle 3 to the diameter of the throat 3d is set to 0W2.0 when the section of the nozzle 3 is circular, and that to hydraulic diameter which is represented by equation (hydraulic diameter=4×sectional area/sectional circumference) to 0W2.0 when the section is not circular. The outlet part ranging between the throat 3d and an outlet is formed divergent. Thereby, high-temperature water is finely atomized for preventing the corrosion of a moving vane and raising turbine efficiency.
COPYRIGHT: (C)1981,JPO&Japio
JP5841180A 1980-04-30 1980-04-30 Nozzle for hot-water turbine Pending JPS56154105A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5841180A JPS56154105A (en) 1980-04-30 1980-04-30 Nozzle for hot-water turbine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5841180A JPS56154105A (en) 1980-04-30 1980-04-30 Nozzle for hot-water turbine

Publications (1)

Publication Number Publication Date
JPS56154105A true JPS56154105A (en) 1981-11-28

Family

ID=13083622

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5841180A Pending JPS56154105A (en) 1980-04-30 1980-04-30 Nozzle for hot-water turbine

Country Status (1)

Country Link
JP (1) JPS56154105A (en)

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