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Program Var iab le ABSW AT ATNW ATWF ATWIN AWTW C CFM CHWTi COMRFi CONo..JF CONN CRS, CRSV F FC FLAR Section IL 2. 3 Variable C KT CRi f TABLE IL11 WEIGHTING FACTOR VARIABLES Descr i pt i on Solar absorptivity of inside wall surface - see DATWF. Total surface area of all walls in a space (WFMATG) • Total surface area of opaque walls (WFDATA). Precalculated air-temperature weighting factors (WF ASH). Tota 1 window area in a space (WFDATA). Total window area in a wall (WFDATA). Parameter used in precalculated weighting-factor interpolation (WFASH) see Sec. IL2.3.5. I nfi ltr ati on in cfm (WFDATA). Characteristic weight of furniture of type i-see DATWF and Sec. IL2.3.4.1. Corrmon ratio for response factors for furn iture of type i-see DA TWF and Sec. II.2.3.4.1. Precal culated conduction wei ghting factors (WFASH) • Conductance of space - see Sec. II.2.3.3.2. Common ratio of a cool ing-load sequence QSi - see Sec. II.2.3.3.1. (va + "1 + "2) 1(1 + WI + w2) WFDECN only - see Sec. IL2.3.3.2. Fraction of energy entering a conduction that leaves a wall by to the air (WFMATG only) IL2.3.4.5. in space by convection see Sec. Floor area of space input under AREA keyword. IL119
Program Variable FLRFUR FLRWT FR FREM FR1Li FWA FWT GP IFATAL IFRN IFUR IL ILT IRECAL IRECUN IREPRT35 IWFERR Section I!. 2. 3 Variable f' TABLE 11.11 (Cont.) Descr i pt i on Floor area of space as sum of walls with TILT = 180° (WFMAIN). Value input under FLOOR-WEIGKT ke)Word for space (WFASH). 1 - FC. Fraction of solar energy entering a space that is not ref1 ected back out the windows - see Sec. 11.2.3.4.2. Fraction of lighting energy that leaves by radiation for lighting type i-see Sec. r L 2. 3. 4. 4. Val ue ;n put under FURN ITURE-WE IGKT ke)Word. Fraction of reflected solar radiation incident on inside of glazing that is conducted out of the space - see Sec. II.2.3.4.2. Parameter used in precalculated wei ghting-factor interpolation (WFASH) see Sec. 11.2.3.5. Value is 0.009. Fatal error flag. Furniture fl ag; 1 for furniture in space. Furniture type; 1 for light and 2 for heavy. Lighting type; 1 to 4. Lighting type; 1 to 4 (WFASH only). Flag controlling calculation of matrix terms in Eq. (11069) (WFMATG). Fl ag indi cating whether cool ing-load sequence calculated for uniform radiant intensity on walls (WFMATG). Debug print f1 ago Error flag. 11.120
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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
Page 117: This is the basis of the air-temper
Page 129 and 130: TABLE 11.6 LIGHTING DATA FOR WEIGHT
Page 131 and 132: In the sketch, Rc is the convective
Page 135: R' ! Ts Os Circuit A ROO 1 Circuit
Page 141 and 142: I -'- I + DOE-2 Values -- This Corr
Page 143 and 144: 2.4. Weighting-Factor Subroutines i
Page 146 and 147: 18. Count number of delayed surface
Page 149 and 150: 4. Increment surface counter and in
Page 151: emainder, 0.4, to the other walls a
Page 154: 2.4.S Subroutine WFMATG 2.4.8.1 Sum
Page 157: The \/0 \/1 \/2 - d1 WJ. - d(jl2 =
Page 160: N WFDDT = L Xi Y i' i=1 where N is
Page 163: TABLE 11.10 (Cant. ) Section II.2.3
Page 167 and 168: Program Var iab 1e PFA QFLOOR QSi Q
Page 173: has been simplified to ZX, etc. The
Page 178 and 179: 5. CHAPTER II INDEX (Cont.)* Duhame
Page 180 and 181: 5. CHAPTER II INDEX (Cont.)* solar.
Page 182: III. LOADS SIMULATOR TABLE OF CONTE
Page 187 and 188: 1.2 LOADS Relationship to the Rest
Page 189 and 190: Within the space loop, but outside
Page 199 and 200: 2.2 Weather 2.2.1 Weather V ariab l
Page 201: 1061 = the enthalpy of saturated wa
Page 204: 2 • 3. So 1 ar Cal cu 1 at ion s
Page 208: The diffuse radiation for cloudy co
Page 211 and 212: Step 2 In Eq. (IIL8) the hour angle
Page 213 and 214: 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
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4.2. Furnace Simulation (subroutine
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would require solving all zone and
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RETURN-DELTA-T = the temperature ga
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TRC is then added to the set point
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D. If COOL-CONTROL = RESET, TC is c
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where WSURF A - B - C = (1.0 - CBF)
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In this control simulation, the ent
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4.4. Outside Air Control (subroutin
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4.5 Calculation of Fan Energy Consu
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and PLS PLR PWR S - no--=-- , for s
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4.7 Calculation of Humidity Ratio (
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6. CHAPTER IV INDEX* air handler, c
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6. CHAPTER IV INDEX* (Cont.) coolin
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6. CHAPTER IV INDEX* (Cont.) econom
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6. CHAPTER IV INDEX* (Cont.) four p
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6. CHAPTER IV INOEX* (Cant.) multiz
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6. CHAPTER IV INDEX* (Cant.) packag
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6. CHAPTER IV INDEX* (Cont.) packag
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6. CHAPTER IV INDEX* (Cont.) packag
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6. CHAPTER IV INOEX* (Cont.) packag
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6. CHAPTER IV INDEX* (Cant.) supply
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6. CHAPTER IV INDEX* (Cont.) two-pi
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6. CHAPTER IV INDEX* (Cont.) unitar
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6. CHAPTER IV INDEX* (Cont.) variab
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2.2.3.5 2.2.3.6 TABLE OF CONTENTS (
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TABLE OF CONTENTS (Cont.) 3.2 Syste
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1.2 Communication with Other Progra
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1.3 Simulation Limitations 1. There
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2. ALGORITHM DESCRIPTIONS This sect
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--- 0:: ...J ..E:...o:: J: PLR --0
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2.1.4. Effect of Temperature on Ene
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Keywords FORTRAN Variables TOT CAP
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is used in many of the equipment ro
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Keywords STM-BOILER-HIR HW-BOILER-H
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2.2.2.1.1 Steam or Hot-Water Boiler
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This calculation assumes that the e
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The fuel consumption during the hou
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The skin losses from the boiler are
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Keyword ABSORS-HIR ABSOR1-HIR ABSOR
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2.2.3.2 Initial Calculations The ca
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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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