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ROOFC.FOR
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1992-04-16
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SUBROUTINE ROOFC(HO, TODBR4, ISKY, FAROOF, NSUBR, EATTC1,
+ EATTC2, DTIM1, TR0, QLSRF, QSKYS, QCONRF,IDBG)
C
C COMPUTE ROOF TEMPERATURES FOR EACH ATTIC
C
C - - - PARAMETER CONSTANTS
C
CMDK FTR
CMDK NZN
CMDK NIWL
CMDK NKONST
CMDK NWL
CMDK NWN
CMDK NZW
CMDK SIGMA
C
C - - - COMMON BLOCKS
C
CMDK BLKQS
CMDK ENCBK1
CMDK IRDFQ
CMDK IZZQ
CMDK OWETHR
CMDK SOLARB
CMDK SURFAR
CMDK TCNBLK
CMDK TEMPB
REAL QLOSRF(2),QSKY(2), SMA(2), SMT(2)
DATA PATM/1./
C
C TCON VALUES WERE CALC WITH DTIM1 AND DTIM1/NSUBR IS NEEDED BELOW, SO
C TCON VALUES MUST BE MULTIPLIED BY DTR
DTR=1./NSUBR
FASGE1=(1.-EATTC1)/EATTC1
FASGE2=(1.-EATTC2)/EATTC2
C
C FIND ALL CEILINGS CONNECTED TO EACH ATTIC AND WEIGHT UPPER SURFACE
C TEMPERATURES BY CEILING AREA
SMT(1)=0.
SMT(2)=0.
SMA(1)=0.
SMA(2)=0.
DO 502 J=1,NROOMS
NRM=NRMA(J)
N2=NWALLA(NRM)
DO 502 K2=1,N2
IZW=NENC(NRM,K2)
ID=IDEXP(IZW)
IF(ID.EQ.5)THEN
IF(NZNC(IZW).EQ.4)THEN
SMT(1)=SMT(1)+TMP(1,IZW)*AWALLA(IZW)
SMA(1)=SMA(1)+AWALLA(IZW)
ENDIF
IF(NZNC(IZW).EQ.5)THEN
SMT(2)=SMT(2)+TMP(1,IZW)*AWALLA(IZW)
SMA(2)=SMA(2)+AWALLA(IZW)
ENDIF
ENDIF
502 CONTINUE
C
C STORE WEIGHTED UPPER SURFACE TEMPS IN SMT ARRAY
IF(SMA(1).NE.0.)SMT(1)=SMT(1)/SMA(1)
IF(SMA(2).NE.0.)SMT(2)=SMT(2)/SMA(2)
C
C BEGIN ROOF CALCULATIONS
C
RRAD=FASGE1+1.+FASGE2
CON1=SIGMA/RRAD
QRADRF=0.
QLSRF=0.
QSKYS=0.
ACEIL(2)=0.
QRFSUM(2)=0.
C
DO 510 IA=1,NATC
QRFSUM(IA)=0.
C ACEIL(IA) IS CEILING AREA IN CONTACT WITH ATTICS IA
ACEIL(IA)=SMA(IA)
SMT4=(SMT(IA)+FTR)**4
IQZ=IZT+IA
T1=TMP(1,IQZ)
T14=(T1+FTR)**4
QLOSRF(IA)=FAROOF*ROFOM(IA)*SIGMA*(T14-TODBR4)*RAREA(IA)
C
C SKY RADIATION CORRELATION
PW=(PATM*WODHUM/(.62198+WODHUM))*29.92
TDP=((ALOG(PW)*1.8893)+30.5790)*ALOG(PW)+79.047
TDPC=(TDP-32.)*0.5555
C CHECK NIGHT OR DAY
IF (SOLARL(1).EQ.0.) THEN
ESKY=0.741+0.0062*TDPC
ELSE
ESKY=0.727+0.006*TDPC
END IF
QSKY(IA)=ISKY*SIGMA*(1.-FAROOF)*(ROFOM(IA)*T14-ESKY*TODBR4)
+ *RAREA(IA)
RRAREA=1./RAREA(IA)
RARAT=SMA(IA)*RRAREA
C -----CALCULATE TEMPERATURES OF EACH ROOF LUMP
TR0=(SOLARL(IA)-(QLOSRF(IA)+QSKY(IA)*ISKY)*RRAREA)/HO+TODDB
QCONRF=QCONRF+(TMP(1,IQZ)-TODDB)*HO*RAREA(IA)
K=KONRF(IA)
TR1=TMP(1,IQZ)
TR2=TMP(2,IQZ)
TR3=TMP(3,IQZ)
TR4=TMP(4,IQZ)
IF(IDBG.NE.0)THEN
TR1S=TR1
TR2S=TR2
TR3S=TR3
TR4S=TR4
ENDIF
TC1=TCON(1,K)
TC2=TCON(2,K)
TC3=TCON(3,K)
TC4=TCON(4,K)
TC5=TCON(5,K)
TC6=TCON(6,K)
TC7=TCON(7,K)
TC8=TCON(8,K)
DO 504 I=1, NSUBR
TR1N=(TC1*(TR2-TR1)+HO*TC2*(TR0-TR1))*DTR+TR1
TR2N=(TC3*(TR1-TR2)+TC4*(TR3-TR2))*DTR+TR2
TR3N=(TC5*(TR2-TR3)+TC6*(TR4-TR3))*DTR+TR3
QRFATC=CON1*(SMT4-(TR4+FTR)**4)
QRFSUM(IA)=QRFSUM(IA)+QRFATC
TR4N=(TC7*(TR3-TR4)+TC8*(QROOF(IA)/RAREA(IA)
1 +QRFATC*RARAT))*DTR+TR4
TR1=TR1N
TR2=TR2N
TR3=TR3N
TR4=TR4N
504 CONTINUE
TMPN(1,IQZ)=TR1
TMPN(2,IQZ)=TR2
TMPN(3,IQZ)=TR3
TMPN(4,IQZ)=TR4
QRFSUM(IA)=QRFSUM(IA)/NSUBR
QRADRF=QRADRF+QRFSUM(IA)*SMA(IA)
QLSRF=QLSRF+QLOSRF(IA)
QSKYS=QSKYS+QSKY(IA)
IF(IDBG.NE.0)THEN
WRITE(60,600)IA,HO, TODBR4, TODDB, ISKY, FAROOF,
+ NSUBR, EATTC1, EATTC2, DTIM1, TR0, QRFSUM,
+ QRADRF, QLOSRF(IA), QSKY(IA), QROOF(IA)
WRITE(60,601)DTR, FASGE1,FASGE2,SMT(IA),SMA(IA),
+ IQZ,TR4, T1,T14,TDP,TDPC,SOLARL(IA),ESKY,
+ ISKY,SIGMA,FAROOF,ROFOM(IA),RAREA(IA),
+ TR0,SOLARL(IA),K,TATTA(IA),
+ TR1S,TR1,TR2S,TR2,TR3S,TR3,TR4S,TR4,
+ RRAD,QRFATC, DTIM1,ACEIL(IA),
+ TC1,TC2,TC3,TC4,TC5,TC6,TC7,TC8
ENDIF
510 CONTINUE
RETURN
600 FORMAT(10X,'ROOFC:IA,HO,TODBR4,TODDB= ',I3,3G13.5/
+10X,' ISKY,FAROOF,NSUBR= ', I5,G13.5,I5/
+10X,'EATTC1,EATTC2,DTIM1 = ',3G13.5/
+10X,'TR0,QRFSUM(1),QRFSUM(2),QRADRF,QLOSRF= ',5G13.5/
+10X,'QSKY,QROOF(IA)= ',2G13.5)
601 FORMAT(10X,'DTR, FASGE1,FASGE2,SMT(1),SMA(1)= ',5G13.5/
+10X,'IQZ,T4, T1,T14= ',I5,3G13.5/
+10X,'TDP,TDPC,SOLARL(1),ESKY= ',4G13.5/
+10X,'ISKY,SIGMA,FAROOF,ROFOM(1),RAREA(1)= ',I5,4G13.5/
+10X,'TR0,SOLARL(1),K,TATTA(1)= ',2G13.5,I5,G13.5/
+10X,'TR1,TR1N= ',2G13.5/
+10X,'TR2,TR2N= ',2G13.5/
+10X,'TR3,TR3N= ',2G13.5/
+10X,'TR4,TR4N= ',2G13.5/
+10X,'RRAD,QRFATC, DTIM1,ACEIL(1)= ',4G13.5/
+10X,'TC1= ',G13.5,' TC2= ',G13.5/
+10X,'TC3= ',G13.5,' TC4= ',G13.5/
+10X,'TC5= ',G13.5,' TC6= ',G13.5/
+10X,'TC7= ',G13.5,' TC8= ',G13.5)
602 FORMAT(1X,'ROOFC:TC1,TC2,TC3,TC4= ',4G13.5/
+1X,'TC5,TC6,TC7,TC8= ',4G13.5/
+1X,'HO,DTR,RRAD, SIGMA= ',4G13.5/
+1X,'SMT(IA),FTR,SMT4,CON1= ',4G13.5/
+1X,'DT,HIR,DTRC8,SMA(IA),RRAREA,RARAT= ',6G13.5)
603 FORMAT(1X,'TR0,TR1,TR2,TR3,TR4,TATTA(IA)= ',6G13.5)
604 FORMAT(1X,'TR1N,TR2N,TR3N,TR4N,QRFATC,QRFSUM(IA)= ',6G13.5)
END