Add `result.plot.load_duration(flow=...)` — flow rate sorted descending vs. cumulative hours (classic LDC). **Acceptance:** monotonic descending curve; supports one or several flows overlaid. Trivial — sort of `result.flow_rate(id)`.
Add
result.plot.load_duration(flow=...)— flow rate sorted descending vs. cumulative hours (classic LDC).Acceptance: monotonic descending curve; supports one or several flows overlaid.
Trivial — sort of
result.flow_rate(id).