DOE-2 Engineers Manual Version 2.1A - DOE-2.com

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The water flow rate through the space heating distribution piping is GPM = ________ ('-'.H;..;..TS:;....:U"-'M.!....) _______ _ [HDESDT * 8.341 lb/gal * 60 min/hr * 1.0 Btu/lb-°F] where HTSUM is the peak space heating load from SYSTEMS (Btu/hr), HDESDT is the design temperature drop (OF) through the system and can be input through the keyword HCIRC-DESIGN-T-DROP. The electrical power consumed hourly is ( HPHEAD * GPM ) * Btu-minute HPELEC = HEFFM * HEFFI .643 ft-gallons-hr where HPHEAD is the pressure head across the pump, HEFFM efficiency, and HEFFI is the pump impeller efficiency. through the keywords HCIRC-HEAD, HCIRC-MOTOR-EFF, and respectively. is the pump motor They can be input HCIRC-IMPELLER-EFF The hourly heat loss or gain is calculated as a fraction of the design space heatlng load HHGAIN = HTSUM * HLOSS, where HLOSS is the fraction of the design space heating load and can be input through the keyword HCIRC-LOSS. The loss is diminished somewhat by the pump energy that heats the loop HHGAIN = HHGAIN - (HPELEC * HEFFM). Here it is assumed that the pump motor is ventilated and that only the shaft energy heats the water. The algorithm for the chilled water pump is identical except that the pump heating effect increases the loss rather than decreases the loss as is the case for the hot pump. 2.2.7 Electrical Equipment Diesei and gas turbine generator simulations are described in this section. V.8S
V ar i ab 1 eli s t: Keywords FORTRAN Engineering Variables Variables CAP EELEC EELECD EEX EEXD EEXDT EFF EFUEL EFUELD EJACKD EJL ElUBED DIESEL-IIO- RELD FPLR GTURB-IIO FPLR FUEllG DIESEL-JAC- RJACD FPLR GTURB-I/O- FUEL2G FT DIESEL-LUB- RLUBD FPLR CAP EELEC EElECD EEX EEXD EEXDT EFF EFUEL EFUELD EJACKD EJL ELUBED Description the design (rated) capacity of the diesel generators operating this hour. the electrical load on the gas turbines. the electrical load on the diesel generators. the recoverable gas turbine exhaust. the recoverable diesel exhaust heat. the energy of the diesel exhaust gas. the efficiency of the engine generator. the fuel consumed by the gas turbine generators. the fuel consumed by the diesel generators. the recoverab le jacket heat. the sum of the recoverab le jacket and 1 ube oil heat. the recoverable lube oil heat. a quadratic expression for the efficiency of the diesel as a function of the part load ratio. a quadratic expression for the gas turbine fuel consumption as a function of part load ratio. a quadratic expression for the recoverable jacket heat as a function of part load ratio. a quadratic expression for the gas turb i ne fuel consumpt i on as a function of air temperature. a quadratic expression for the recoverable lube oil heat as a function of part load ratio. V.86
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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
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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
Page 571 and 572: where LOAD is the load on this type
Page 573 and 574: SIZE MAX-NUMBER-AVAIL Economi c Dat
Page 576 and 577: where AUXIKW is the additional elec
Page 578 and 579: RCAPi = f1 (CHWT,ECT = TTOWR). f1 i
Page 580 and 581: is The compressor load including an
Page 584: Keyword TWR-CELL MAX-GPM TWR-PUMP
Page 588 and 589: (b) If the desired water exit tempe
Page 590: The water flow rate has been set by
Page 593 and 594: It can be seen from Fig. V.12 that
Page 597: APP = TTOWR - TWBDES, where TWBDE5
Page 600: number of double bundle chillers +
Page 603 and 604: Step S. Determine the approach for
Page 605 and 606: The power is then equa 1 to the pow
Page 607 and 608: With the exception of heat recovery
Page 609 and 610: where TOTCAP19 is the heat storage
Page 611: TFREZH is the fluid freezing point
Page 615 and 616: 500,000 MBtu of jacket heat will be
Page 617 and 618: a. If the tank has been defined in
Page 619 and 620: Equations (V.29) through (V.32) are
Page 621: The pumps are not explicitly define
Page 625: FORTRAN Engineering Keywords Variab
Page 629 and 630: The heat exchanger UA factor is ass
Page 631 and 632: Keyword FORTRAN Engineering Variabl
Page 633: FORTRAN Engineering Keyword Variabl
Page 638: The load that has just been allocat
Page 642 and 643: 2. RElCOM = where HIRNOMi correspon
Page 644 and 645: or ECOOLT or CAPA, whichever is sma
Page 647 and 648: priority on the generator heat. The
Page 649 and 650: g. The coupled absorption chiller l
Page 652 and 653: Step 8. Step 9. Step 10. Step II. S
Page 654 and 655: Step 34. Recalculate the excess ste
Page 656 and 657: where KAVQi : KAVi + 1. KAVi in tur
Page 658 and 659: 2.3 Economic Calculations Calculati
Page 660: Keywords UNIT INSTALLATION ESCALATI
Page 663 and 664: 2.3.1 Equipment Costs (subroutines
Page 665: (V.llO) Cyclical Costs. The equipme
Page 669 and 670: Step 6 The cyclical cost coefficien
Page 671 and 672: 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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