โก Pelton Hydro Turbine Runner & Bucket Sizer
Size high-head Pelton impulse hydro turbines: water jet velocity, pitch circle diameter (PCD), bucket double-spoon dimensions, Tygun bucket count, and Euler power.
โก Fortran 90 Engine
Double Precision (IEEE 754)
โ ISO / ASME Validated
Turbomachinery
๐ Solver Telemetry
โ ACTIVE
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35
โก Solves
28
๐พ Downloads
298
๐ฆ Fortran Code
5.2 KB
๐
Released
Jun 2026
โฑ๏ธ Latency
< 1 ms
โก Rotating Pelton Wheel, High-Speed Nozzle Jets & Splitter Buckets
Real-time visual simulation: High-head needle nozzle jet striking bucket splitters and deflecting at 165ยฐ๐ Configuration & Presets
๐๏ธ High-Alpine (4-Jet)
โก Mega Pelton (6-Jet 1200m)
๐๏ธ Mountain Valley (2-Jet)
๐ง Pico-Hydro Mountain
Euler Impulse Pelton Formulation:
โข Water Jet Velocity: Vj = Cv ยท โ(2ยทgยทHnet) [m/s]
โข Runner Pitch Diameter: D1 = (60 ยท ku ยท Vj) / (ฯ ยท N) [m]
โข Tygun Buckets Formula: Zb = round(0.5 ยท (D1/dj) + 15)
โข Shaft Power: Pshaft = ฯ ยท Q ยท g ยท Hnet ยท ฮทoverall [MW].
โข Water Jet Velocity: Vj = Cv ยท โ(2ยทgยทHnet) [m/s]
โข Runner Pitch Diameter: D1 = (60 ยท ku ยท Vj) / (ฯ ยท N) [m]
โข Tygun Buckets Formula: Zb = round(0.5 ยท (D1/dj) + 15)
โข Shaft Power: Pshaft = ฯ ยท Q ยท g ยท Hnet ยท ฮทoverall [MW].
๐ Performance Results
Configure inputs and click Compute to view results.
๐ Calculation Methodology & Pelton Turbine Standards
Impulse Turbine Kinematics
All pressure energy is converted into kinetic energy in stationary needle nozzles, generating high-velocity water jets ($V_j > 100\,\text{m/s}$) that strike double-spoon buckets at atmospheric pressure.
Bucket Splitter & 165ยฐ Deflection
The central splitter ridge divides the jet symmetrically into two equal streams, deflecting them through $165^\circ$ to extract virtually all kinetic energy without interfering with the subsequent bucket.
Key Engineering Assumptions
- IEC 60193 hydraulic impulse turbine standards.
- Tygun bucket count empirical correlation.
- Widely used in high-head mountain hydroelectric plants ($H > 150\,\text{m}$).