JPS56154105A - Nozzle for hot-water turbine - Google Patents
Nozzle for hot-water turbineInfo
- 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
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
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) |
-
1980
- 1980-04-30 JP JP5841180A patent/JPS56154105A/en active Pending
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