Methodik
Berechnet nutzbares Speichervolumen, nominellen Umschlag und die Bestandskontinuität je Intervall aus deklarierten Zu-/Abflüssen und Zeitdauern. Nomineller Umschlag ist weder tatsächliches Wasseralter noch RTD, T10-Tracer-Kontaktzeit oder Desinfektions-CT; T10 wird nicht berechnet.
Usable storage = gross storage × user-entered usable fraction. Operational storage is separately entered as a declared operating-storage basis and remains a subset of usable storage.
Nominal turnover time = usable storage / average throughput; nominal turnovers/day = average throughput / usable storage.
Interval continuity uses Snext = Scurrent + (Qin − Qout) × duration. When physical limits are enabled, overflow is recorded above the maximum and supply shortfall below the minimum; the modeled endpoint is limited to the applicable bound.
Working storage swing = maximum modeled inventory − minimum modeled inventory, including initial inventory and all modeled interval endpoints.