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@lincolnharmer lincolnharmer changed the title Update base Ph attributes of flow, power and energy Ph: Update base Ph attributes of flow, power and energy Dec 14, 2025
@lincolnharmer lincolnharmer changed the title Ph: Update base Ph attributes of flow, power and energy Ph.attrs: Update base Ph attributes of flow, power and energy Dec 16, 2025
- Rename all attributes to put phenomenon (Air, Water, Elec) at far left
- Replace redundant capacity concept with AirPowerAttr hierarchy
- Add Air/Water phenomenon prefixes to temp, pressure attributes
- Convert elec.xeto to "add to left" modifier ordering
- Add base types: AirTempAttr, WaterTempAttr, AirPressureAttr, etc.

Follows pattern: AirPowerAttr -> AirCoolingPowerAttr -> AirRatedCoolingPowerAttr
- Add AirThermalPowerAttr and WaterThermalPowerAttr for thermal capacity
- Add AirMechanicalPowerAttr (fan shaft) and WaterMechanicalPowerAttr (pump shaft)
- Add ElecPowerAttr as parent for ElecMotorPowerAttr
- Add fuel power types: NaturalGas, FuelOil, Propane, Diesel

Key distinction:
- Thermal power = heat transfer capacity (BTU/hr)
- Mechanical power = shaft power output
- Electrical power = motor input power
- Fuel power = combustion equipment input
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