Monthly performance report

I -


.I


/

P LK


Monthly

Performance

Report






HOWARD'S GROVE SCHOOL
JUNE 1979
- I'


.,'
--


%I All l J ^



































NOTICE
This report ws prepared as an account of work sponsored by the United States
Government. Neither the United States nor the United States Department of Energy, nor
any of their employees, nor any of their contractors, subcontractors, or their employees,
make any warranty, express or implied, or assume any legal liability or responsibility for
the accuracy, completeness or usefulness of any information, apparatus, product or
process disclosed, or represents that its use would not infringe privately owned rights.










HOWARDS GROVE SCHOOL
JUNE 1979


I. SYSTEM DESCRIPTION


This solar energy heating system is designed to provide 58 percent of
the space heating for an addition to the North View Elementary School in
Howards Grove, Wisconsin. The addition contains 12,330 square feet of
heated space. The collector array has a total of 138 collector panels
arranged in six rows, each row containing 23 flat-plate air collector
panels. The array panels, manufactured by Sun Stone Solar Energy Equipment,
have a gross area of 2,685 square feet. The collectors face south at an
angle of 50 degrees from the horizontal. Air is the medium used for
transferring energy from the collector array to storage. Solar energy
is stored in a 16- by 21- by 6-foot concrete block bin containing 1,500
cubic feet of crushed rock located below the equipment room. When solar
energy is inadequate to provide space heating, auxiliary thermal energy
is supplied from a 397,200 Btu/hr fuel-oil boiler. The space heating
control system modulates control dampers to mix outside air, return air
and thermally heated air (solar and auxiliary) to maintain a building
temperature of 670F during the day and 550F at night. A minimum of 10
percent fresh outside air is required by law to be mixed with return
air.
















1001 COLLECTOR PLANE TOTAL INSOLATION
V001 WIND SPEED
0001 WIND DIRECTION
1 T001 OUTDOOR TEMPERATURE
OUTSIDE
AIR



T150 woo1' 4
I I

-------
Ay I
D2
T400

0Fl

w1oo a I RE
W0i 0 DAMPER
T1O0





ST101

W101 D
W402

EPIO1


---- --. -- ---- ^HX1



T200 T202 T204 T206 T208 T210 401 T41 D4
147.000-LB ROCK f EP403
THERMAL STORAGE V1 P1
T201 T203 T205 T07 T209 T211






Figure 1. HOWARDS GROVE SCHOOL SOLAR ENERGY S,









Mode 2 Storage-to-Classrooms (Occupied): This mode is entered at the
beginning of each school day as determined by a seven-day clock timer.
Circulation fan F1 runs continuously to transfer energy from storage, to
classrooms, and to provide ventilation. Outside air and return air
dampers are modulated to supply fresh air at a mixed return air tempera-
ture of 600F. Multizone control dampers modulate the mixed return air
with thermally heated air from storage to maintain the space heating sys-
tem supply air temperature. The auxiliary fuel-oil boiler supplements
solar energy to meet the space heating demand, and to maintain the build-
ing's indoor ambient temperature. The seven-day clock timer terminates
this mode at the end of each school day. The clock timer may be manually
overridden to provide Mode 2 heating for irregularly scheduled (outside
normal class hours) school events.


Mode 3 Storage-to-Classrooms (Unoccupied): This mode is entered when
there is a demand for space heating and the system is not in the Occupied
mode. The outside air damper D1 is closed. Circulating fan Fl runs when
a space heating demand exists to transfer energy from storage to class-
rooms, and to provide ventilation. Multizone control dampers modulate
the return air with thermally heated air from storage to maintain the
space heating system supply temperature. The auxiliary fuel-oil boiler
supplements solar energy to meet the space heating demand and to maintain
the building's indoor ambient temperatures. This mode terminates when
either the demand for space heating ceases, or the system is changed to
the Occupied mode.


Mode 1 operation can occur while either Mode 2 or 3 is active.


II. PERFORMANCE EVALUATION


The system performance evaluations discussed in this section are based
primarily on the analysis of the data presented in the attached computer-
generated monthly report. This attached report consists of daily site
thermal and energy values for each subsystem, plus environmental data.
The performance factors discussed in this report are based upon the





3









definitions contained in NBSIR 76-1137, Thermal Data Requirements and
Performance Evaluation Procedures for the National Solar Heating and
Cooling Demonstration Program.


A. Introduction


The solar energy system at the Howards Grove School site operated con-
tinuously during the month of June. The system supplied 85 percent of
the indicated space heating demand of 3.36 million Btu. Operation of
the solar energy system resulted in a savings of 3.75 million Btu of
fossil fuel (26 gallons of fuel oil) at an expense of 3.45 million Btu
(1,010 kwh) of electrical energy.


B. Weather


May weather conditions were near normal. The measured outside ambient
temperature was 630F, which is 20F lower than the 650F predicted from
long-term averages. The measured wind velocity was 4 mph, less than
the 10.8 mph predicted from long-term averages. The long-term average
environmental conditions were obtained from the environmental data
listed in,Climatography of the United States No. 81 (By State).


The cloud cover was below normal, as indicated by the measured insola-
tion of 1,608 Btu/ft 2-day. The predicted long-term monthly insolation
was 1,553 Btu/ft2-day; this is derived from an average of the data for
Green Bay and Milwaukee, W;sconsin, as listed in SOLMET Volume 1 User's
Manual.


C. System Thermal Performance


Collector Of the 129.54 million btu of solar energy incident on the
collector array during May, 107.89 million Btu were incident on the
array when fan F2 was operating. The system collected 32.55 million









tu, or 25 percent of the total insolation incident on


ident energy. The operation of the collector circulating fan F2 required
.30 million Btu of electrical energy.


storage From the indicated 32.55 million Btu of solar energy collected,


million Btu was extracted from


'stem. storage lost za./l miiiion btu c
storage efficiency of only 11 percent.


Heating Load The space heating load


average for June. The 100
above the 91 heating degree


ie measured space heating
.85 million Btu of solar e


!ating degre
lays predict


?mand of 3.3
?rgy and 0.5


sured at
ig-term a,


3tu was si
3tu of au:


ion of 0.67 million Btu of fuel oil. This amounted to 5 gallons of fuel
ii.


IS



by
thermal


_ _








E. Energy Savings


The solar energy system installed in Howards Grove School resulted in an
indicated savings of 3.75 million Btu (26 gallons) of fuel oil during June
at an expense of 3.45 million Btu (1,010 kwh) of electrical operating en-
ergy. The space heating energy savings calculations are based on the en-
ergy requirements of a conventional propane-fired furnace with an efficiency
of 76 percent compared to the energy requirements of the solar energy system.

The actual solar energy system savings must include not only the direct
solar contribution from the rock thermal storage, but also the thermal loss
contribution to the space heating demand. In addition, the fan energy con-
tribution should be considered an auxiliary contribution to the space heat-
ing demand. When these additional energy contributions are considered, the
savings become 41.62 million Btu (288 gallons) of fuel oil.

III. ACTION STATUS

Additional instrumentation is being suggested to resolve the discrepancy
between space heating demand measured by different instrumentation sensor
sets. This would allow a more accurate determination of solar energy con-
tribution and identify the source of the faulty sensor indications.









SOLAR hEATING AND COOLING DEMCNSTRATICN PROGRAM


PChTHLY REPORT
SITE SUMMARY


SOLAR/2041-79/06


SITE: HOARDS GROVE SCFCCL, -PCARCS GROVEWIS
REPORT PERIOD: JUNE,1979


SITE/SYSTEN DESCPIPTICN:
THE HOWARD GROVE SOLAR ENERGY SYSTEM PROVIDES SPACE HEATING FOR A
12,330 SCARE FOCT ACCITICN TC THE KCRTHVIEW ELEMENTARY SCHOOL
IN HCWARDS GROVE, WIS. THE SYSTEM LSES AIR AS THE ENERGY TRANSFER
MEDIUM, 2685 SQUARE FEET CF COLLECTORS, TO COLLECT AND STORE SOLAR
ENERGY IN A 1500 CU. FT. FOCK STCPAGE UNIT. RETURN AIR FROM THE SCHOOL
IS DIRECTED THROUGH THE PCCK UNIT FOR SPACE HEATING. AUXILIARY HEAT IS
PROVIDED BY AN IN-DUCT FX SUPPLIED BY A FUEL CIL BCILER.


GENERAL SITE DATA:
INCIDENT SCLAR ENERGY


COLLECTED SOLAR ENERGY

AVERAGE AMBIENT TEMPERATURE
AVERAGE BUILDING TENFERATLRE
ECSS SCLAR CONVERSION EFFICIENCY
ECSS OPERATING ENERGY
TOTAL SYSTEM OPERATING ENERGY
TCTAL ENERGY CCNSUEDC


129.542
48238
32.551
12121
63
72
0.02
1.301
3.766
36.986


MILLION BTU
BTU/SQ.FT.
MILLION RTU
BTU/S .FT.
DEGREES F
DEGREES F

MILLION BTU
MILLION BTU
MILLION BTU


SUBSYSTEM SUMMARY:

LOAD
SOLAR FRACTION
SOLAR ENERGY USED
OPERATING ENERGY
AUX. THERMAL ENERGY
AUX. ELECTRIC FUEL
AUX. FOSSIL FUEL
ELECTRICAL SAVINGS
FOSSIL SAVINGS


-CT WATER
N.A.
N.A.
N.A.
N.A e
b.A.
N.A.
N.A.
N.A.
N.A.
N*A*

N o A
N o A


HEATING
3.361
85
2.852
2.465
0.509
N.A.
0.669
-2.145
2.753


COOLING
N.A.
N.A.
N.A.
N.A.
N.A.
N.A.
N.A.
N.A.
N.A.


SYSTEM TOTAL
3.361 MILLION BTU
85 PERCENT
2.852 MILLION BTU
3.766 MILLION BTU
0.509 MILLION BTU
N.A. MILLION RTU
0.669 MILLION BTU
-3.446 MILLION BTU
3.753 MILLION BTU


SYSTEM PERFORMANCE FACTOR:


0.254


* DENOTES UNAVAILABLE DATA
DENCTES NULL DATA
N.A. DENOTES NCT APPLICABLE CATA

REFERENCE: USER'S GUIDE TO THE MONTHLY PERFORMANCE REPORT
CF THE NATIONAL SCLAR DATA PROGRAMsFEBRUARY 28,1978,
SCLAR/0004-78/18









SCLAR -EATING AND CYCLING DEMONSTRATION PROGRAM


MONTHLY REPORT
SITE SUMMARY

SITE: HCWARDS GROVE SCHOOL. FCWARDS GRCVEWIS
REPORT PERICC: JUNE,1979


SCLAR/2041-79/06


SITE/SYSTEM CESCRIPTICN:
THE HOWARD GROVE SOLAR ENERGY SYSTEM PROVIDES SPACE HEATING FOR A
12,330 SQUARE FOOT ACCITICN TC THE NORTHVIEW ELEMENTARY SCHOOL
IN HOARDS GROVE, WIS. THE SYSTEM USES AIR AS THE ENERGY TRANSFER
MEDIUM, 2685 SQUARE FEET CF CCLLECTCRS, TC COLLECT AND STORE SOLAR
ENERGY IN A 1500 CU. FT. RCCK STCOAGE UNIT. RETURN AIR FROM THE SCHOOL
IS DIRECTED THROUGH THE RCCK UNIT FCR SPACE HEATING. AUXILIARY HEAT IS
PROVIDED EY AN IN-CUCT -X SUPPLIES BY A FUEL OIL BOILER.

GENERAL SITE DATA:
INCIDENT SCLAR ENERGY 136.6'


COLLECTED SOLAR ENERGY

AVERAGE AMBIENT TEMPERATURE
AVERAGE BLILCING TEMPERATURE
ECSS SOLAR CONVERSION EFFICIENCY
ECSS OPERATING ENERGY
TOTAL SYSTEM OPERATING ENERGY
TOTAL ENERGY CONSUMER


SUBSYSTEM SUMMARY:

LOAD
SOLAR FRACTION
SOLAR ENERGY USED
OPERATING ENERGY
AUX. THERMAL ENG
AUX. ELECTRIC FUEL
AUX. FOSSIL FUEL
ELECTRICAL SAVINGS
FOSSIL SAVINGS


hOT WATER
l.A.
N.A.
NoA.
NeA
NbA.
N .A.
N.A.
N.A.
NA.
NoAo
N*A*


HEATING
3.546
85
3.009
2.600
0 537
N.A.
0.706
-2.263
3.960


COOLING
N.A.
N.A.
N.A.
N.A.
N.A.
N.A.
N.A.
N.A.
N.A.


67 GIGA JOULES


547787 KJ/SQ.M.
34.341 GIGA JOULES
137646 KJ/SQ.M.
17 DEGREES C
22 DEGREES C
0.02
1.373 GIGA JOULES
3.973 GIGA JOULES
39.020 GIGA JCULES


SYSTEM TOTAL
3.546 GIGA JOULES
85 PERCENT
3.009 GIGA JOULES
3.973 GIGA JOULES
0.537 GIGA JOULES
N.A. GIGA JOULES
0.706 GIGA JOULES
-3.636 GIGA JOULES
3.960 GIGA JOULES


SYSTEM PERFCRNANCE FACTCF:


0.254


* DENOTES UNAVAILABLE DATA
T DENCTES NLLL DATA
N.A. DENOTES NCT APPLICABLE CATA

REFERENCE: USER'S GLIDE TC THE MCNTFLY PERFORMANCE REPORT
OF THE NATIONAL SCLAR DATA PRCGRAMFEBRUARY 28,1978,
SCLAR/0004-78/Ie







SCLAP EATING AhC CYCLING DEMONSTRATION PROGRAM

MONTHLY REPORT
ENERGY COLLECTION AhD STORAGE SUBSYSTEM (ECSS)


SOLAR/2041-79/06


SITE: HOWARDS GROVE SCHOOL, HCAROS GRCVEt.IS
REPORT PERICC: JUNE,1979


1.0


DAY
CF
MONTH



1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30

SUM

AVG

IBS ID


INCIDENT
SCLAR
ENERGY
WILLICh
ETL

5 42C
5.224
5.277
2.430

2.484
2.775
1 781
2.113
1 66's
5.865
5.4C
5.671
5.132


5.206
5.637
5.622
4. 075
4.173
1 127
4.925
5.886
6.289
6.153
4.456
5.C52
1.774
4.73 1

S129.542

4.318
S- O-----
----------C


AMBIENT
TEPF


DEG-F

62
66
72
67
*
60
67
65
59
59
61
56
61
69
*4

64
57
64
68
72
56
52
54
61
73
66
63
60
65


63

N113


ENERGY
TC
LOADS
WILLICN
8TU

C. 17S
000030
C.000
0 .079

0.239
0.112
C.101
0.003
C.C O
0.334
0.193
00160
0o137


C.OCC
0.019
C.CZE
0 C 036
0.075
C 057
0.172
C.000
C.000
0.249
C0218
0.067
C.036
0.103
C.000

2.852

0.095


-----~--~---
AUX
THERMAL
TC ECSS
1NILLION
aTU
-~--~------
h
C
T

A
P
P
L
I
C
A
E
L
E
















hN.A.

N.A.
----------


ECSS
ENERGY
REJECTED
MILLION
BTU

N
0
T

A
P
P
L
I
C
A
8
L
E


-------------(
ECSS
OPERATING
ENERGY
MILLION
BTU

0.055
0.048
0.045
0.017

0.039
0.034
0.033
0.039
0.004
0.055
0.056
0.057
0.055
*

0.038
0.046
0.054
0.039
0.058
0.006
0.049
0.049
0.055
0.066
0.048
0.051
0.026
0.050

1.301

0.043

0102


N.A.


ECSS SOLAR
CONVERSION
EFFICIENCY



0.033
0.000
0.000
0.032

0.096
0.040
0.057
0.002
0.000
0.057
0.034
0.028
0.027


0.000
0.003
0.006
0.018
0.014
0.152
0.000
0.000
0.040
0.035
0.015
0.007
0.058
0.000

-------------1

0.022
N111-
N111t
- -


* DENOTES LhAVAILAELE CATA.
E DENOTES NULL DATA.
N.A. DENOTES NCT APPLICABLE CATA.


N.A.










SOLAR hEATING AND COCLING DEMONSTRATION PROGRAM


NChTHLY REPCRT
CCLLECTCR ARRAY PERFORMANCE


SITE: HOWARDS GROVE SCI-CCL, HCWARDS GRCVEWIS
REFCqT PERICC: JUNE,1979


SOLAR/2041-79/06


CAY
CF
MCNTH



1
2
4
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30

SLM

AVG

I\SIC


INCIDENT
SCLAR
ENERGY
MILLION
BTU

5.420
5.224
5.277
2.420
*4
2.484
2.775
1.781
2.113
1.66G9
5.865
5.640
5.671
5.132


5. 206
5.637
5.622
4.075
4.173
1.127
4.925
5.666
6.289
6. 153
4.456
5.052
1.774
4.731

129.542

4.318

GO01


CPERATICNAL
INCIDENT
ENERGY
NILLICN
BTU

4.935
4.475
4.370
1.478

1.4C9g
2.130
1.247
1.464
0.286
5.301
5.150
5.225
4.662 |


4.003

5.064
3 .623
3.820
0.113
4.339
4.322
5.537
5597
3.818
4.454
0.810
4.285

107.886

3.596


COLLECTED
SOLAR
ENERGY
MILLION
BTU

1 .910
0.991
0.793
0.443

0.423
0.867
0.527
0.357
0.051
10853
1 .868
1.855
1 *729


0.504
1.328
1.463
1.194
1.176
0. o058
1.069
0.907
1.767
1.912
1.309
1.628
0.24,8
1.065

32.551

1.085

0100
-


DAYTIME
AMBIENT
TEMP
DEG F


68
76
83
74

66
75
67
63
57
70
67
71
81


70
632
70

-7
*
*
60
71
84
*

62
72


* DENOTES UNAVAILABLE DATA.
M DENCTES NULL DATA.
N.A. DENOTES NCT APPLICABLE DATA.


COLLECTOR
ARRAY
EFFICIENCY

-----------
0.352
0.190
0.150
0.182

0.170
0.312
0.296
0.169
0.031
0.316
0.331
0.327
0.337


0.097
0.236
0.260
0.293
0.282
0.051
0.217
0.154
0.281
0.311
0.294
0.322
0.140
0.225



0.251

N100









SOLAR EATING AND CCCLING DEMCNSTRATION PROGRAM

NCNTI-LY REPORT
STORAGE PERFORMANCE

SITE: HOARDS GROVE SCFCCL, HCWARDS GROVEWIS SOLAR/2041-79/06
REPORT PERIOD: JUNE,1979
------------------------------- ---------- ----------- ---------- ---------- -----------
DAY ENERGY ENERGY CHANGE STORAGE STORAGE
CF TC FROM IN STORED AVERAGE EFFICIENCY
MONTH STORAGE STORAGE ENERGY TEMP
MILLION MILLION MILLION DEG F
ETU ETU ETU

1 1.789 0.179 0.314 98 0.275
2 1. 31 CCCO 0.67 115 0.430
3 1.003 0.000 0.329 129 0.328
4 0.0eo C, 79 -0 .88 117 -2.050
5 -0.004 *
6 0.479 0.239 -0.456 92 -0.454
7 0.811 0.112 0.007 89 0.146
8 0.496 0.101 -0.111 87 -0.019
9 0.4E7 0.003 0.167 89 0.349
10 0.063 0.000 0.004 92 0.060
11 1. 36 C.334 0.285 95 0.337
12 1 .801 0.193 0.C48 100 0.134
13 1.713 C.160 0.C77 102 0.138
14 1.525 0.137 0.147 106 0.186
15 0.229 *
16 0.568 *
17 0.59 0.000 0.052 133 0.088
1e 1.204 0.019 -0. 4e 116 -0.523
19 1 .37 0.036 -0.053 108 -0.013
20 1.044 C.C75 -0.123 106 -0.046
21 1 061 0.057 -0.027 102 0.028
22 0.05 C 172 -0.734 89 -8o686
23 1.456 0.OCO 0.743 93 0.511
24 1.178 C.000 0.537 115 0.456
25 1.629 0.24S -0.365 112 -0.071
26 1.731 0.218 0.088 109 0177
27 1.126 0.067 0.C03 112 0.062
28 1.404 0.036 -0.0?3 111 0.009
29 0.242 C.1C3 -0.667 98 -2.330
30 1 447 0.000 0.73c 104 0.'10

SUM 32.463 2 .852 0.32

AVG 1.082 0.095 0.02e 104 0.114

NES ID 0200 C2C1 Q202 Ni03


* DENOTES UNAVAILABLE CATA.
@ DENCTES NULL CATA.
N.A. DENOTES NCT APFLICA8LE DATA.












SOLAR HEATING ANC CCCLING CEMCNSTFATICN PROGRAM


WCNTILY REPCNT
SPACE HEATI3N SUeSYSTEM


SOLAR/2041-79/06


SITE: HOWARDS GRCVE SCHICL, HCWARCS CFOVE.WIS
REPORT PERIOD: JUNE1l97C


DAY
CF
MON.



1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30

SUM

AVG


SPACE
HEATING
LOAD
MILLION
BTL

0.209
0.000
0.000
0.079
*
0.239
0.115
0.135
0.095
0.080
0.479
0.267
C.160
0.137


0.000
0.019
0.036
0.075
0.057
0.172
0.000
C.000
0.249
0.21E
0.067
0.036
0,103
0.000

3.361

0.112


SOLAR
FR.OF
LOAD
PCT


85
C
0

*
10C
97
75

0
7C
72
1OC
100
*

0

I OC
10C
100
100
10C
0
0
1)0
10C
100
100
100
0
C



85

N40C


SCLAR
ENERGY
USEC
MILLION
eTL

0.179
0.000
0.000
0.C7C

0.239
0.112
0.101
0.002
0.000
0.334
0.193
0.160
0.137


0.000
0 019
0.036
0.075
0.057
0.172
0.000
0.000
0.249
0.218
0.067
0.036
0.103
0.000

2.852

0.095

C400


CPER
EhERCY

MILLION
ETL

0.171
0.OOC
0.000
0.000
O.Gee
*
0.149
0.124
0. 10
0. C12
0.011
0.1 l4
0.175
0.129
0.113


0.000
0.CE7
0.036
0.C7C
0.041
0. 161
0.018
0.013
0. 150
0.166
0. C65
0.0C4
C. 1C
0.000

2.465


C402


AUX
ELECT
FUEL
VILLICN
ETC

N
C
T


AUX
THEPMAL
USEC
WILLICN
ETL

0.0?0,
0.000



0.000
.O000
0.C03
0.023|

0.080
0. 145,
0.074
0.000
0.CCC

*
0.000
0 CO0

0. 000
0.000
0.000
0.000
0 COO
C .CO
0.000
0 o1o
0.000

0.000
0 OCO
0.000

0.50s9

0.C17

C401


AUX
FOSSIL
FUFL
MILLION
=TL

0.040
0.000
0.000
0.000
*
0.000
0.004
0.044
0.120
0.106
0.191
0.097
0.000
0.000


0.000
0.000
0.000
0.000
0.000
0.000
0.000
0.000
0.000
0.0000
0.000
0.000
0.000
0.000

0.669
---------
0.022

0410


ELECT
ENERGY
SAVINGS
NILLIGN
BTL

-0.046
-0.000
0.000
-0.088
*
-0.149
-0.133
-0.065
-0.000
-0.001
-0.111
-0.162
-0.129
-0.113


0. 000
-0.057
-0 036
-0.070
-0.041
-0.161
-0.018
-0.013
-0.150
-0.166
-0 065
-0 049
-0 108
0.000

-2.145
-------- 1
-0.072,

0415
-------1


FOSSIL
ENERGY
SAVINGS
MILLION
3TU

0.235
0.000
0.000
0.104
*
0.314
0.147
0. 133
0.004
0.000
0.439
0.254
0.210
0.180
*
*
0.000
0.025
0.048
0.099
0.075
0.226
0.000
0.000
0.328
0.287
0 08 P
0.047
0.135
0.000

3.753

0. 125!

0417


* DENCTES UNAVAILABLE CATA.
5 DENCTES NULL DATA.
N.A. CENOTES NOT APPLICABLE DATA.


N.A.

N.A.


NBS 0402


BLDG
TEMP

DEG.
F

72
71
72
73
*
73
73
73
71
69
70
71
72
73
*
*
73
73
73
74
74
73
70
70
72
72
74
74
73
72


72

N4 06


AMB
TEMP

DEG.
F

62
66
72
67
*
60
67
65
59
59
61
56
6"
69
*
*
64
57
64
68
72
56
52
54
61
73
66
67
60
65

----
63

N113











SCLAR HEATING AND COOLING DEMCNSTRATICI

MONTHLY REPORT
EhNLIFChENTAL SUMMARY

;ITE: HCWARCS GRCVE SChCCL, ICWARCS GROVEWIS
REPORTT PERIOD: JUNE,1979


DAY TCTAL DIFFUSE AW~IENT DAYTIME RELATE
OF INSULATION INSCLATICS TEMPERATURE AMBIENT HUMID'
MONTH TEMP
ETU/SC.FT BTL/SQ.FT DEG F DEG F PERCEI

1 2018 N 62 68 I
2 1945 C 66 7 (
3 1965 T 72 83
4 905 67 74
5 A *
6 925 P 60 66
7 1033 F 67 75
8 663 L 65 67 I
S 787 I 59 63
PO 622 C 59 57
11 2184 A 61 70
12 2100 E 56 67
13 2112 L 61 71
14 1911 E 69 81
15 *
16 *
17 1938 64 70
18 2099 57 63
19 2094 64 70
20 1517 68
21 1554 72 77
22 420 56
23 1834 52 *
24 2192 54 60
25 2342 61 71
26 2291 73 84
27 1659 66 *
28 1881 63 *
29 661 60 62
30 1762 65 72

SUM 4E?3-2E h. -

AVG 1608 N.A. 63 70 I

NBS IC C001 113


C DENCTES UNAVAILABLE CATA.
t DENCTES NULL DATA.
*.A. CENCTES NCT APPLICABLE CATA.












UNIVERSITY OF FLORIDA
II I 12 0il0ill5I2I 11 201111li
3 1262 09052 1120

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