6.28 DuctSeg (owner: RSYS)
@DuctSeg[1..].
| Name | Input? | Runtime? | Type | Variability | Description |
|---|---|---|---|---|---|
| name | X | X | string | constant | – |
| ty | X | X | unrecognized | input time | Type: c_ducttych_ret / _sup |
| absSlr | X | X | number | subhourly | – |
| awAbsSlr | X | X | number | subhourly | – |
| epsLW | X | X | number | subhourly | – |
| zi | X | X | integer number | subhourly | – |
| F | X | X | number | subhourly | – |
| Fp | X | X | number | subhourly | – |
| frRad | X | X | number | subhourly | – |
| fSky | X | X | number | subhourly | – |
| fAir | X | X | number | subhourly | – |
| hcNat | X | X | number | end of each subhour | – |
| hcFrc | X | X | number | end of each subhour | – |
| hcMult | X | X | number | end of each subhour | – |
| hxa | X | X | number | end of each subhour | – |
| hxr | X | X | number | end of each subhour | – |
| hxtot | X | X | number | end of each subhour | – |
| uRat | X | X | number | end of each subhour | – |
| fRat | X | X | number | end of each subhour | – |
| cx | X | X | number | end of each subhour | – |
| sgTarg.bm | X | X | number | end of each subhour | – |
| sgTarg.df | X | X | number | end of each subhour | – |
| sgTarg.tot | X | X | number | end of each subhour | – |
| sg | X | X | number | end of each subhour | – |
| tSrf | X | X | number | end of each subhour | – |
| tSrfls | X | X | number | subhourly | – |
| qrAbs | X | X | number | end of each subhour | – |
| txa | X | X | number | end of each subhour | – |
| txr | X | X | number | end of each subhour | – |
| txe | X | X | number | end of each subhour | – |
| w | X | X | number | end of each subhour | – |
| qSrf | X | X | number | end of each subhour | – |
| pDS | X | X | unrecognized | subhourly | Pointer to parent ductseg |
| exArea | X | X | number | input time | Exterior heat transfer surface area, ft2 (outside of insulation) |
| diam | X | X | number | input time | Duct diameter (w/o insulation), ft |
| len | X | X | number | input time | Total length (all branches), ft |
| branchLen | X | X | number | run start time (of each phase, autoSize or simulate) | Average branch length, ft |
| branchCount | X | X | integer number | input time | # of branches |
| branchCFA | X | X | number | input time | Floor area served per per branch, ft2 |
| airVelDs | X | X | number | input time | Design air velocity, fpm |
| inArea | X | X | number | input time | Interior surface area, ft2 |
| insulR | X | X | number | input time | Rated insulation resistance, ft2-f/btuh |
| insulMati | X | X | integer number | input time | Insulation material, 0 if none |
| insulKA | X | X | number | run start time (of each phase, autoSize or simulate) | Constants for insul conductivity: kinsul = ka + kb*t |
| insulKB | X | X | number | run start time (of each phase, autoSize or simulate) | – |
| insulThk | X | X | number | run start time (of each phase, autoSize or simulate) | Insulation actual thickness, ft |
| insulThkEff | X | X | number | run start time (of each phase, autoSize or simulate) | Effective insulation thickness, ft |
| RconvIn | X | X | number | autosize and simulate phase start time | Inside surfce convection resistance, ft2-f/btuh |
| Rduct | X | X | number | end of each hour | Total resistance from duct air to exterior surface of insulation |
| Uduct | X | X | number | end of each hour | 1/ds_rduct |
| insulREff | X | X | number | end of each hour | Effective insulation resistance, ft2-f/btuh |
| exCnd | X | X | integer number | input time | Adjacent cond: adiabatic/ambient/spect/adjzn. |
| leakF | X | X | number | input time | Leakage fraction, 0-1 |
| uaTot | X | X | number | end of each subhour | Cur step total conductance between duct air |
| beta | X | X | number | end of each subhour | Cur step conduction loss parameter (1 - effectiveness) |
| air[0].tdb | X | X | number | end of each subhour | – |
| air[0].w | X | X | number | end of each subhour | – |
| air[1].tdb | X | X | number | end of each subhour | – |
| air[1].w | X | X | number | end of each subhour | – |
| air[2].tdb | X | X | number | end of each subhour | – |
| air[2].w | X | X | number | end of each subhour | – |
| air[3].tdb | X | X | number | end of each subhour | – |
| air[3].w | X | X | number | end of each subhour | – |
| amfFL | X | X | number | end of each subhour | Dry air mass flow rate at full load, lbm/hr |
| qCondFL | X | X | number | end of each subhour | Full load total conduction losses to surround (+ = out of duct), btuh |
| qCond | X | X | number | end of each subhour | Total conduction loss rate to surround (+ = out of duct), btuh |
| qCondAir | X | X | number | end of each subhour | … to txa (air) |
| qCondRad | X | X | number | end of each subhour | … to txr (radiant) |
| qLeakSen | X | X | number | end of each subhour | Leakage sensible heat loss rate, btuh (+ = out of duct) |
| qLeakLat | X | X | number | end of each subhour | Leakage latent heat loss rate, btuh (+ = out of duct) |