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6. CHAPTER IV INOEX* (Cont.) packaged variable air volume system (PVAVS): (Cont.) supply air: (Conto) temperature, dry-bulb, 53-57, 63-64, 69 variable volume, 53-54, 69-70 zone: latent heat gain, 92 temperature, dry-bulb, 53-55, 57 performance, equipment: at off-rated conditions, using default curves, 7-10, 23 at off-rated conditions, using user-specified data. See also BOL Index (CURVE-FIT), 7-10, 23 plenum. See also desired type of system,S, 26, 35-36, 38, 44, 174, 178-179, 184 preheat: load, 62, 64, 81, 83, 192-193 load, for solar, 61, 80, 100, 116 reheat coil. See zone coil and desired type of system reheat fan system (RHFS): contro 1, 21 entering dry-bulb temperature, 50 entering wet-bulb temperature, 50 supply air, control, 19 relative humidity. See humidity ratio relief air. See exhaust 'air residential system (RESYS): baseboard heaters: outdoor reset, 117, 124-125 output (energy consumption), 127, 129-130 thermostatically controlled from zone, 117-118, 129 contro 1, 21 cooling unit: bypass factor, 118, 132-133 capacity, sensible, 49-50, 118-119, 122 capacity, total. See also equipment 51z1ng, 49, 118-119, 122, 134 default performance. See also performance, equipment defroster, 135-136 entering dry-bulb temperature, 50, 118-119, 132, 134 entering wet-bulb temperature, 50, 118, 132-134 exit air temperature. See supply air (this system) heat extraction rate, design, 117-120, 125-127, 131 heat extraction rate, hourly, 117, 119-122, 126-127, 130-131 surface humidity ratio, 132-133 surface temperature, 132 electric resistance heater, 119-120, 135-136 fan, supply air: energy consumption, 134 flow rate, 132, 136 *All page numbers are to be preceeded by "IV." IV.236
6. CHAPTER IV INOEX* (Cont.) residential system (RESYS): (Cont.) fan, supply air: (Cont.) heat/temperature gain in air stream, caused by, 118 with furnace, 117, 129-130, 135 with heat pump, 17, 117, 119-120, 135-136 heating unit: capacity. See also equipment sizing, 34-35, 48-49, 119 default performance. See also performance, equipment, 119 entering dry-bulb temperature, 120, 136-137 entering wet-bulb temperature, 134 heat addition rate, design, 117-120, 125-127 heat addition rate, hourly, 117, 120-122, 125-127, 130 load, for solar, 117, 134-136 infiltration, 3, 122, 131-133 interzone heat transfer correction, 117, 120-124, 130 LIGHT-TO-SPACE correction, 117, 124 mixed air: humidity ratio, 133-134 temperature, dry-bulb, 118-120, 132, 134, 136-137 temperature, wet-bulb, 118, 132-134 outdoor (natural ventilation) air: entha 1 py, 128 flow rate, 128 humidity ratio, 132-133 temperature, dry-bulb, 118-120, 124-125, 128-129, 135-136 temperature, wet-b.ul b, 135 part load ratio, 120 plenum, 124 simulation, 117-137 supply air: control, 19 design flow rate, 119-120, 125-126 flow rate, 131-137 loss/gain of temperature, 131-135 temperature, dry-bulb, 117-120, 132 zone coi 1 , 21 zone: humidity ratio, 132-133 latent heat gain, 131, 133 temperature, dry-bulb, 117-130, 135 return air. See also desired type of system: altitude correction, 28-29 with economizer, 20 flow rate, 184 heat gain from, 5 humidity ratio. See also zone (space), 1-2, 7, 13-14, 20, 28-30, 38-39, 50-51, 211-214 temperature, dry-bulb, 1, 5, 12-13, 23, 28-29, 35, 184 *A 11 page numbers are to be preceeded by "I V ." IV.237
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DOE-2:ENGINEERS MP.NUAL .( Versi on
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ABSTRACT •...... ACKNOWLEDGMENTS
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TABLE OF CONTENTS (Cont.) Page 2.3.
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TABLE OF CONTENTS (Cont.) III. LOAD
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TABLE OF CONTENTS (Cont). 2.2 Equip
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2.3 TABLE OF CONTENTS (Cont.) Page
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ABSTRACT ••....• ACKNOWLEDGME
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ACK NOWLE DGMENTS This Engineers Ma
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DOE-2 STAFF PERSONNEL Principal Inv
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STATUS - MAY 1981 This edition of t
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SERVICE BUREAU MISSOURI McDonnell-D
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1.4 Volume IV - Engineers Manual Th
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4. CHAPTER I REFERENCES 1. D. A. Yo
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2.4 TABLE OF CONTENTS (Cont.) 2.3.4
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3. CURVE FIT. 4. CHAPTER II REFEREN
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These are the fundamental equations
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1.2 Outline of Algorithm Step 1 Let
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1.3 Description of the Subroutines
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2. WEIGHTING FACTORS by J. F. Kerri
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can be selected for use in 00E-2. T
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t o 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
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In terms of Laplace transfer functi
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This infin ite sequence can be ch a
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The total energy in the pulse is no
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the outside air temperature, and Kv
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calculated from the wall response f
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This is the basis of the air-temper
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TABLE 11.6 LIGHTING DATA FOR WEIGHT
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In the sketch, Rc is the convective
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R' ! Ts Os Circuit A ROO 1 Circuit
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I -'- I + DOE-2 Values -- This Corr
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2.4. Weighting-Factor Subroutines i
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18. Count number of delayed surface
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4. Increment surface counter and in
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emainder, 0.4, to the other walls a
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2.4.S Subroutine WFMATG 2.4.8.1 Sum
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The \/0 \/1 \/2 - d1 WJ. - d(jl2 =
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N WFDDT = L Xi Y i' i=1 where N is
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TABLE 11.10 (Cant. ) Section II.2.3
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Program Variable FLRFUR FLRWT FR FR
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Program Var iab 1e PFA QFLOOR QSi Q
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has been simplified to ZX, etc. The
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5. CHAPTER II INDEX (Cont.)* Duhame
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5. CHAPTER II INDEX (Cont.)* solar.
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III. LOADS SIMULATOR TABLE OF CONTE
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1.2 LOADS Relationship to the Rest
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Within the space loop, but outside
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2.2 Weather 2.2.1 Weather V ariab l
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1061 = the enthalpy of saturated wa
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2 • 3. So 1 ar Cal cu 1 at ion s
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The diffuse radiation for cloudy co
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Step 2 In Eq. (IIL8) the hour angle
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Step 6 10) , where Equation (IILI0)
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The clear sky value is then reduced
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1. A new coordinate system is defin
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then --> --> (V 3 - V 2 ) rV; -V; I
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Step 5. Transformation of the shadi
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2.5 Interior Loads 2.5.1 Interior H
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7. If the user has input a schedule
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PPN TZONER SV ISCHR The
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2.5.2 Calculation of Cooling Loads
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2.6. Heat Conduction Gain 2.6.1. He
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For a wall with no heat capacity, t
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Then, Q = QIN t * XSAREA = [XSQCMP
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and RA = C * UWI where UWI is the i
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where UW = l/(RO + RA + Rl), and th
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Steps 5 through 8 For < 8 and < 2
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2.7. Solar Incident On Surfaces Thi
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uilding, the amount of diffuse sola
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Program Variable SOLID DRGOLGE QDI
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Equation (111.37) is the same as Eq
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4. CHAPTER III INDEX (Cont.)* coord
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4. CHAPTER III INDEX (Cont.)* peopl
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4. CHAPTER III INDEX (Cont.)* so 1
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IV. SYSTEMS SIMULATOR TABLE OF CONT
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1. SYSTEMS OVERVIEW by James J. Hir
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1.3 Simulation of Heat and Moisture
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where Tsurf is the coil surface tem
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ErR PLR=lead 1.0 - - - - - - - - -
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In addition to the types of heating
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air will remain at the mlnlmUm unti
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load is calculated as discussed in
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B. Calculate the supply air and ret
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Otherwise, = the larger of (OA-CHA
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QHM1 = CVAL(HEAT-CAP-FT,DBT,TMZ). H
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= MAX-HEAT-RATE + (HEATING-CAPACITY
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If the user has specified COOLING-C
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(1) (2 ) where MAX-SUPPL Y-T = MIN-
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QHMI = CVAL{HEAT-CAP-FT,DBT,TMIN),
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it is possible to use TC and TMAX i
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3. SYSTEM SIMULATION ROUTINES 3.1 C
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This is the temperature that will b
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exhaust fan energy consumption, nzo
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nsystems CFMP = L ns=l TMP = CFM ,
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The mixed air controller set point
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COIL-BF-FCFM is a correction functi
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MIN-UNLOAD-RATIO is equal to 1. 0,
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ERMAXM = CONS(l) * CFMIN * «TNOW>
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D. Calculate the mixed air temperat
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WMM = [(1.0 + F) * WRMINJ - ow - (F
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If variable-air-volume control to t
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3.1.5 Ceiling Induction System (sub
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Because the baseboard heaters are a
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The specification of HEAT-SOURCE =
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1. The maximum supply air temperatu
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TH is less than the return air temp
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nsystems CFMP = L CFM ns ' and (IV.
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(1) MIN-SUPPLY-T and (2) TCMIN, as
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Q = - [CFMZ * (TAVE - TC]) (I V. 3
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The specification of HEAT-SOURCE =
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Calculation Algorithms I. Simulate
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THMAX = TM - CONS(l) * ' and (I V.
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If, additionally, it is assumed tha
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6. Update the zone temperature and
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1. The Cooling Mode If PLRC is not
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nsystems CFMP = CFM , and L: ns ns=
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OA-CHANGES * PO = the larger of 60
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total zone heating coil energy cons
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QCS = the smaller of {[ * CVAL(COOL
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II. Simu 1 ate the central fl u i d
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3.2.3. Packaged Terminal Air-Condit
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where QHPT = * CVAL(HEAT-CAP-FT,DB
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lIW = CONS(Z) , the space latent e
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continuously. If no outside ventila
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3.2.4. Unit Heaters and Unit Ventil
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nzones = L (ZKW nz + ZFANKW nz ) *
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nzones QH = L ZQHnz * MULTIPLIER nz
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where ZQH = , if < 0.0 -- if > 0.
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For SYSTEM-TYPEs that do not allow
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thermostat action. an analogous equ
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Step 6. Update the History of the Z
Page 472 and 473: 4.2. Furnace Simulation (subroutine
Page 475 and 476: would require solving all zone and
Page 478: RETURN-DELTA-T = the temperature ga
Page 481: TRC is then added to the set point
Page 485 and 486: D. If COOL-CONTROL = RESET, TC is c
Page 487 and 488: where WSURF A - B - C = (1.0 - CBF)
Page 489 and 490: In this control simulation, the ent
Page 491: 4.4. Outside Air Control (subroutin
Page 494 and 495: 4.5 Calculation of Fan Energy Consu
Page 496 and 497: and PLS PLR PWR S - no--=-- , for s
Page 499 and 500: 4.7 Calculation of Humidity Ratio (
Page 502: 6. CHAPTER IV INDEX* air handler, c
Page 506 and 507: 6. CHAPTER IV INDEX* (Cont.) coolin
Page 508: 6. CHAPTER IV INDEX* (Cont.) econom
Page 511 and 512: 6. CHAPTER IV INDEX* (Cont.) four p
Page 514 and 515: 6. CHAPTER IV INOEX* (Cant.) multiz
Page 516 and 517: 6. CHAPTER IV INDEX* (Cant.) packag
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Page 526 and 527: 6. CHAPTER IV INDEX* (Cant.) supply
Page 529 and 530: 6. CHAPTER IV INDEX* (Cont.) two-pi
Page 531 and 532: 6. CHAPTER IV INDEX* (Cont.) unitar
Page 533 and 534: 6. CHAPTER IV INDEX* (Cont.) variab
Page 535 and 536: 2.2.3.5 2.2.3.6 TABLE OF CONTENTS (
Page 537 and 538: TABLE OF CONTENTS (Cont.) 3.2 Syste
Page 539 and 540: 1.2 Communication with Other Progra
Page 541 and 542: 1.3 Simulation Limitations 1. There
Page 543 and 544: 2. ALGORITHM DESCRIPTIONS This sect
Page 546 and 547: --- 0:: ...J ..E:...o:: J: PLR --0
Page 548 and 549: 2.1.4. Effect of Temperature on Ene
Page 550 and 551: Keywords FORTRAN Variables TOT CAP
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Page 554 and 555: Keywords STM-BOILER-HIR HW-BOILER-H
Page 556 and 557: 2.2.2.1.1 Steam or Hot-Water Boiler
Page 558 and 559: This calculation assumes that the e
Page 560 and 561: The fuel consumption during the hou
Page 563 and 564: The skin losses from the boiler are
Page 566 and 567: Keyword ABSORS-HIR ABSOR1-HIR ABSOR
Page 568: 2.2.3.2 Initial Calculations The ca
Page 571 and 572: where LOAD is the load on this type
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SIZE MAX-NUMBER-AVAIL Economi c Dat
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where AUXIKW is the additional elec
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RCAPi = f1 (CHWT,ECT = TTOWR). f1 i
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is The compressor load including an
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Keyword TWR-CELL MAX-GPM TWR-PUMP
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(b) If the desired water exit tempe
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The water flow rate has been set by
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It can be seen from Fig. V.12 that
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APP = TTOWR - TWBDES, where TWBDE5
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number of double bundle chillers +
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Step S. Determine the approach for
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The power is then equa 1 to the pow
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With the exception of heat recovery
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where TOTCAP19 is the heat storage
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TFREZH is the fluid freezing point
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500,000 MBtu of jacket heat will be
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a. If the tank has been defined in
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Equations (V.29) through (V.32) are
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The pumps are not explicitly define
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V ar i ab 1 eli s t: Keywords FORTR
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FORTRAN Engineering Keywords Variab
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The heat exchanger UA factor is ass
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Keyword FORTRAN Engineering Variabl
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FORTRAN Engineering Keyword Variabl
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The load that has just been allocat
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2. RElCOM = where HIRNOMi correspon
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or ECOOLT or CAPA, whichever is sma
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priority on the generator heat. The
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g. The coupled absorption chiller l
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Step 8. Step 9. Step 10. Step II. S
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Step 34. Recalculate the excess ste
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where KAVQi : KAVi + 1. KAVi in tur
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2.3 Economic Calculations Calculati
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Keywords UNIT INSTALLATION ESCALATI
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2.3.1 Equipment Costs (subroutines
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(V.llO) Cyclical Costs. The equipme
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Step 6 The cyclical cost coefficien
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Q * p-mo Qblock = M Fbill (U29) whe
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4. CHAPTER V REFERENCES 1. J. J. Al
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5. CHAPTER V INDEX (for non-solar e
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1. DESCRIPTION OF THE LIFE-CYCLE CO
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1.3 Cost Types In ooE-2, non-energy
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1.5 Calculation of Investment Stati
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1.6 Subroutine Deser iption RDESF R
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DAYLIGHTING CALCULATION IN DOE-2 Fr
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1. Introduction DAYLIGHTING CALCULA
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a b c Fig. 2. Window with diffusing
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Fig. 5. Sun height' 20° Sun height
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, ¢sun ¢sun,deg L z y altitude of
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New York Ci ty, NY .34 .33 .40 .54
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The background luminance, L b , is
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(1) One or more coordinates of the
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specified. ( 4) Print error message
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where GILSK and GILSU are the illum
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• 3. A shade is left open if the
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