6.20 DHWSolarCollector (owner: DHWSolarSys)
@DHWSolarCollector[1..].
| Name | Input? | Runtime? | Type | Variability | Description |
|---|---|---|---|---|---|
| name | X | X | string | constant | – |
| mult | X | X | number | input time | Multiplier (for multiple panels). default 1. |
| multLR | X | X | number | end of run (of each phase, autoSize or simulate) | Last run multiplier, re probing in chained runs |
| area | X | X | number | input time | Srcc collector area, ft2 |
| tilt | X | X | number | input time | Array tilt, radians (input as degrees) |
| azm | X | X | number | input time | Array azimuth, radians (input as degrees) |
| testFRUL | X | X | number | input time | Srcc test (rated) slope, btuh/f-ft2 |
| testFRTA | X | X | number | input time | Srcc test (rated) intercept |
| testMassFlow | X | X | number | input time | Collector loop srcc rating mass flow rate, lb/h-ft2 |
| oprMassFlow | X | X | number | input time | Collector loop operating mass flow rate, lb/h-ft2 |
| kta60 | X | X | number | input time | Incidence angle modifier at 60 deg (from srcc rating) |
| piping.len | X | X | number | run start time (of each phase, autoSize or simulate) | – |
| piping.size | X | X | number | run start time (of each phase, autoSize or simulate) | – |
| piping.insulK | X | X | number | run start time (of each phase, autoSize or simulate) | – |
| piping.insulThk | X | X | number | run start time (of each phase, autoSize or simulate) | – |
| piping.exH | X | X | number | run start time (of each phase, autoSize or simulate) | – |
| piping.count | X | X | number | run start time (of each phase, autoSize or simulate) | – |
| piping.len | X | X | number | run start time (of each phase, autoSize or simulate) | – |
| piping.vol | X | X | number | run start time (of each phase, autoSize or simulate) | – |
| piping.exArea | X | X | number | run start time (of each phase, autoSize or simulate) | – |
| piping.UA | X | X | number | run start time (of each phase, autoSize or simulate) | – |
| piping.beta | X | X | number | subhourly | – |
| pipingTEx | X | X | number | end of each hour | Collector piping surround temp |
| areaTot | X | X | number | run start time (of each phase, autoSize or simulate) | Total area, ft2 (=sc_area*sc_mult) |
| flowCorrection | X | X | number | run start time (of each phase, autoSize or simulate) | Flow correction factor |
| oprFRUL | X | X | number | run start time (of each phase, autoSize or simulate) | Operating (flow-corrected) collector slope, btuh/f-ft2 |
| oprFRTA | X | X | number | run start time (of each phase, autoSize or simulate) | Operating (flow-corrected) collector intercept |
| oprMCp | X | X | number | run start time (of each phase, autoSize or simulate) | Operating heat capacity flow rate, btuh/f (not per ft2) |
| oprVolFlow | X | X | number | run start time (of each phase, autoSize or simulate) | Nominal collector loop volume flow rate, gpm (not gpm/ft2) |
| b0 | X | X | number | run start time (of each phase, autoSize or simulate) | Incidence angle modifier coefficient |
| ktaDS | X | X | number | run start time (of each phase, autoSize or simulate) | Tau-alpha modifier (kta) for sky diffuse radiation |
| ktaDG | X | X | number | run start time (of each phase, autoSize or simulate) | Tau-alpha modifier (kta) ground-reflected diffuse radiation |
| incA | X | X | number | end of each hour | Beam angle of incidence, radians (pi/2 if no beam) |
| ktaDB | X | X | number | end of each hour | Tau-alpha modifier (kta) for beam (varies by hour) |
| poaRadDB | X | X | number | end of each hour | Beam |
| poaRadDS | X | X | number | end of each hour | Diffuse from sky |
| poaRadDG | X | X | number | end of each hour | Diffuse from ground |
| poaRadTot | X | X | number | end of each hour | Total |
| poaRadIAM | X | X | number | end of each hour | Component-weighted iam factor |
| pumpPwr | X | X | number | run start time (of each phase, autoSize or simulate) | Pump power, w |
| tickPumpQ | X | X | number | run start time (of each phase, autoSize or simulate) | Pump input energy per tick, btu |
| pumpLiqHeatF | X | X | number | run start time (of each phase, autoSize or simulate) | Fraction of sc_pumppwr added to liquid stream |
| pumpDT | X | X | number | run start time (of each phase, autoSize or simulate) | Fluid temp increase due to pump, f |
| pumpOnDeltaT | X | X | number | run start time (of each phase, autoSize or simulate) | Temperature difference between the |
| pumpOffDeltaT | X | X | number | run start time (of each phase, autoSize or simulate) | Temperature difference between the |
| tOutletM | X | X | number | end of each hour | – |
| tOutletB | X | X | number | end of each hour | – |
| effM | X | X | number | end of each hour | – |
| effB | X | X | number | end of each hour | – |
| tInlet | X | X | number | end of each subhour | Tick inlet temp, f (at tank / before to-collector piping) |
| eff | X | X | number | end of each hour | Fraction of incident heat added to the fluid |
| tickQFluid | X | X | number | end of each subhour | Tick heat added to the fluid, btu |
| hrQFluid | X | X | number | end of each hour | Hour total heat added to fluid, btu |
| totQFluid | X | X | number | end of run (of each phase, autoSize or simulate) | Run total sc_qfluid total, btu |
| tOutletP | X | X | number | end of each hour | Tick potential outlet temp, f |
| tOutlet | X | X | number | end of each hour | Tick outlet temp, f (at tank / after from-collector piping) |
| tickVol | X | X | number | end of each subhour | Volume moved during this tick, gal |
| pumpInElec | X | X | number | end of each hour | Actual electricity use (note not kwh) |