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Pipe Fittings: Elbow, 180°, all, (r/D = 1.5)
Pipe fittings loss coefficients — Darby 3K method K-factors for elbows, tees, valves, and other fittings
| fitting type | K1 (dimensionless) | K ref (dimensionless) | Kd (dimensionless) | Ki (dimensionless) | category | description |
|---|---|---|---|---|---|---|
| Elbow, 180°, all, (r/D = 1.5) | 1,000 | 0.434901 | 4 | 0.1 | Elbow | Darby 3K: K = 1000.0/Re + 0.1*(1 + 4.0/D^0.3) |
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