Monthly performance report

MISSING IMAGE

Material Information

Title:
Monthly performance report Howard's Grove school
Uncontrolled:
Howard's Grove school
Physical Description:
v. : ill. ; 28 cm.
Language:
English
Creator:
United States -- Dept. of Energy
Publisher:
Dept. of Energy
Place of Publication:
Washington
Publication Date:

Subjects

Subjects / Keywords:
Solar energy -- Wisconsin -- Howards Grove   ( lcsh )
Solar heating   ( lcsh )
Genre:
federal government publication   ( marcgt )
non-fiction   ( marcgt )

Notes

General Note:
National solar data program.
General Note:
Monthly Catalog Number: gp 80007831
General Note:
National solar heating and cooling demonstration program.
General Note:
"SOLAR/2041-79/03" ; "SOLAR/2041-79/04" ; "SOLAR/2041-79/05" ; "SOLAR/2041-79/06."

Record Information

Source Institution:
University of Florida
Rights Management:
All applicable rights reserved by the source institution and holding location.
Resource Identifier:
aleph - 027035802
oclc - 05908159
System ID:
AA00013873:00001


This item is only available as the following downloads:


Full Text










--- -------

Performance

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MARC


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This report
Government
any of their
make any w.
the accuracy
process discl


was prepared as an ai
Neither the United Sta
employees, nor any of t
irranty, express or implh
, completeness or usel
osed, or represents that


.___~ L-r -I- (I_--_~


NOTICE
:count of work spon
tes nor the United Stal
heir contractors, subcc
'd, or assume any lega
ulness of any inform
its use would not ini


States
gy, nor
loyees,
lity for
luct or
rights.









MONTHLY PERFORMANCE REPORT
HOWARDS GROVE SCHOOL
MARCH 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 collection subsystem has a total of 138 collectors
arranged in six arrays each containing 23 flat-plate air collectors.
The arrays, 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 arrays 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 sup-
plied 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 tem-
perature of 670F during the day and 55F at night. (A minimum of 10
percent fresh outside air is required by law to be mixed with return
air.) This system, shown schematically in Figure 1, has three modes of
operation.

Mode 1 Collector-to-Storage: This mode is entered when there is a
difference in temperature of 170F between the outlet of the collector
arrays and the temperature at the bottom of rock storage. Air is drawn
from the collector arrays, using the collector circulating fan F2, into
the rock storage and recirculated to the collectors. Circulation continues
in this mode until the difference in temperature between the collector
outlet and bottom of rock storage is less than 40F.

Mode 2 Storage-to-Classrooms Occupied: This mode is entered using
a seven-day clock with a manual override. Circulation fan Fl runs












0 T001 OUTDOOR TEMPERATURE


/ -I i wo "
vT150 wool H 0u--
SE 03AIR

I / |~ ---- T600
/ / D2
ST400
.-/ ^D3
FI
7&6 FIRE


FIRE
DAMPER




v a.1


F2
V E


Ii




V V *


W402
*



HX1



1 I WA


04

M*

M

.1="


T201 T203 T205 T207 T209 T211 BOILI
, B I L ,


CLASSROOMS



T601










SPACE
- HEATING
SUPPLY


II .,











tion of the









Btu was extracted from storage and c
subsystem.


Space Heating Load The space heati
average monthly temperature of 31F
term average for March. The 1,067 h
site is near the 1,085 heating degree
averages. The design heating load c
from data supplied through the Depar
design heating load was calculated a
infiltration of outside air exists c
Also, environmental energy infiltrat
a4iS"irn +k^ c m^r^ k^a+ 1t r Ar l^A










1.50F temDeratur


circulation fan and, thus, contributed to satisfying


Btu during March. The measured space heating demand, when combined with
the circulating fan and the environmental energy contribution to the
space heating load, results in an indicated space heating demand of
73.18 million Btu, which compares well with the predicted load of 75.88


3. Observations


The performance of the solar energy sys
earlier winter months. The removal of


The collection subsysti
expected performance o


In March, the reduced
to shut off when the ci


performance
the subsysti


eating load i
trol system


iuing to



? building(
from Mode


toward th



action fan
pied) to


W UW I %


%Al 1 i W Ill e 111% % I I %," IAI JIIU W IVW i A II*IA% %AUUV 11l1% I W %0 9% M UW
interval pressure which, in-turn, allows the collector fan to operate
more efficiently. The collector fan air flow to the rock bed increases
from 3,400 to 4,950 cubic feet per minute. This condition is suspected


Iivur, u \vrv~~uy,~-ul













SOLAR HEATING AND CODLING DEMONSTRATION PROGRAM

MONTHLY REPORT
SITE SUMMARY

SITE: HCARDS GROVE SChCGL, -CWARDS GRCVEWIS SOLAR/2041-79/03
REPORT PERIOD: MARCH,1979

SITE/SYSTEM DESCRIPTION:
THE CHWARD GROVE SOLAR ENERGY SYSTEM PROVIDES SPACE HEATING FOR A
12,330 SQUARE FCCT ADDITION TC THE hCRTHVIEW ELEMENTARY SCHOOL
IN HOWARDS GROVE, WIS. TWE SYSTEM USES AIR AS THE ENERGY TRANSFER
MEDIUM, 2685 SQUARE FEET CF CCLLECTCRS, TO COLLECT AND STORE SOLAR
ENERGY IN A 1500 CU. FT. ROCK STORAGE UNIT. RETURN AIR FRCM THE SCHOOL
IS DIRECTED THROUGH THE RCCK UNIT FOR SPACE HEATING. AUXILIARY HEAT IS
PROVIDED BY AN IN-DLCT hX SUPPLIED BY A FUEL CIL ECBOILER.

GENERAL SITE DATA:
INCIDENT SOLAR ENERGY 88.460 MILLION BTU
32940 BTU/SO.FT.
COLLECTED SOLAR ENERGY 17.281 MILLION BTU
6435 BTU/SQ.FT.
AVERAGE AMBIENT TEMPERATURE 31 DEGREES F
AVERAGE BUILDING TEMPERATURE 64 DEGREES F
ECSS SOLAR CONVERSION EFFICIENCY 0.17
ECSS OPERATING ENERGY 0.581 MILLION BTU
TOTAL SYSTEM OPERATING ENERGY 8.412 MILLION BTU
TOTAL ENERGY CONSUMED 93.435 MILLION BTU

SUBSYSTEM SUMMARY:
H-T %ATER EATING COOLING SYSTEM TOTAL
LOAD N.A. 66.881 N.A. 66.881 MILLION BTU
SOLAR FRACTION NhA. 23 NoAo 23 PERCENT
SOLAR ENERGY USED NhA. 15.397 NoA. 15.397 MILLION BTU
OPERATING ENERGY NoA. 7o831 N.A. 8,412 MILLION BTU
AUX. THERMAL ENERGY N.A. 51o484 N.A. 51.484 MILLION BTU
AUX. ELECTRIC FUEL Nh.A N.A, N.A. N.A. MILLION BTU
AUX. FOSSIL FUEL NoA, 67o742 N.A. 67,742 MILLION BTU
ELECTRICAL SAVINGS N.A. -1.718 N.A. -2.299 MILLION BTU
FOSSIL SAVINGS N.A. 20,259 N.A. 20.259 MILLION BTU

SYSTEM PERFORMANCE FACTOR: 0.698

* DENOTES UNAVAILABLE CATA
2 DENOTES NULL DATA
N.A. DENOTES NOT APPLICABLE CATA

REFERENCE: USER'S GUIDE TO THE ECNTHLY PERFORMANCE REPORT
OF THE NATIONAL SCLAR CATA PRCGRAMFEBRUARY 28,1978,
SCLAR/0004-78/le









kC CCCLING DEMCNSTRATICN PRC


SITE SUN


MARCH,19


CRIPTICh
ROVE SOL
E FOCT A
ROVE, WI
SQUARE
1500 CU.
THROUGH
AN Ih-CU

TA:
AR ENERC

LAR ENER

ENT TEMP
CING TEM
ONVERSIO
NG ENERGY
OPERATI
CONSUME

RY:


ON
USED
ERGY
ENG
C FUEL
FUEL
SAVINGS
GS

NCE FACT

AILABELE
DATA
T APPLIC


79


AR ENERGY S
CDITICN TO
S. THE SYST
FEET CF COL
FT. FCCK S
TI-E RCCK UN
CT IX SUFPL


Y

GY

ERATURE
FEFPTLRE
N EFFICIENCY
Y
NG EhERGY
C


hOT %ATEF
h.A.
h .A
h.A.
No.A

b.A.
h.A.
hA.
N.A.

CR:

CATA
ARI Fr nATA


YSTEN PROVIDES SPACE HEATING FOR A
ThE NORTHVIEt ELEMENTARY SCHOOL
EN USES AIR AS T-E ENERGY TRANSFER
LECTORS, TO COLLECT AND STORE SOLAR
TCRAGE UNIT. RETURN AIR FROM THE SCHOOL
IT FOR SPACE HEATING. AUXILIARY HEAT IS
IEC BY A FUEL OIL BOILER.


93.326 GIGA
374067 KJ/S
18.231 GIGA
73075 KJ/S
-1 DEGF
18 DEGF
Y 0.17
0.613 GIGA
8.875 GIGA
98.574 GIGA


HEATING COOLING SYSTEM TCT
70.559 N.A. 70.559 GIGA
23 N.A. 23 PERC
16.243 N.A. 16.243 GIGA
8.261 N.A. 8.875 GIGA
54.316 N.A. 54.316 GIGA
N.A N.A. N.A. GIGA
71.468 N.A. 71.468 GIGA
-1.812 N.A. -2.426 GIGA
21.373 N.A. 21.373 GIGA

0.698


R'S GUIDE TO ThE NCNThLY PERFORMAF
THE NATIONAL SOLAR DATA PRCGRAMFE
AR/0004-78/18










SOLAR HEATING AhC CCCLING DEMONSTRATION PROGRAM

MONTHLY REPORT
ENERGY COLLECTION ANC STORAGE SUBSYSTEM (ECSS)


SITE: HOWARDS GROVE SCHCCL, HCARDS GRCEEIS
REPORT PERICC: MARCH91979


SOLAR/204 1-79/03


DAY
OF
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
31

SUM

AVG

NBS ID


0GOl


INCIDENT
SCLAR
ENERGY
NILLICh
BTU

4.944
0.980
0.846
1.158
1.43S
5.908
0.792
1.276
0.946
5.629
2.986
6.297
5e073
4.945
*
5.861
10321
3.885
0.589
3.318
1 505
5.382
0.244
0.726
2.222
5.346
6.483
0.467
C0965
1.311
2.764

88.460

2.854
- -
2 e 5


AMEIENT
TEMP

CEG-F

31
31
35
35
28
30
32
34
32
8
14
25
37
21

30
34
40
41
38
37
36
40
22
18
20
22
34
35
44
33


31

N11-


AUX
THERMAL
TO ECSS
BILLION
BTU

N
0
T

A
P
P
L
I
C
A
E
L
E


ENERGY
TO
LCADS
MILLION
BTU
~-----------
C 774
0.452
0.131
0.106
0.034
0.827
0.638
0.099
0.059
0.764
0.155
0.886
1.051
1 174

0.935
0.392
0.266
C.718
0.528
0.313
0.846
0.457
0.327
0.011
0.744
1.090
0.567
0.101
C.076
0.379

15.397

C.497


ECSS
OPERATING
ENERGY
MILLION
BTU

0.037
0.000
0.000
0.006
0.000
0.044
0.000
0.000
0.000
0.044
0.011
0.046
0.042
0.033

0.053
0.004
0.039
0.000
0.033
0.000
0.047
0.000
0.000
0.000
0.047
0.055
0.000
0.000
0.003
0.018

0.581

0.019

C102


ECSS
ENERGY
REJECTED
MILLION
BTU

N
0
T

A
P
P
L
I
C
A
8e
L
E


N.A.

N.A.
N-A,


--------- I
ECSS SOLAR
CONVERSION
EFFICIENCY


0.157
0.461
0.155
0.091
0.023
0.140
0.806
0.077
0.063
0.136
0.052
0.141
0.207
0.237

0.160
0.297
0.068
1.219
0.159
0.208
0157
1.874
0.451
0.005
0.139
0.168
1.214
0.105
0.058
0.137


0.174

N111


* DENOTES UNAVAILABLE DATA.
DENOTES NULL DATA.
N.A. DENOTES NOT APPLICABLE DATA.


0


N.A.

N.A.e
-- ,A- --








SOLAR HEATING AND CCCLING DEMONSTRATION PROGRAM


MCNTELY REPORT
CCLLECTCR ARRAY PERFORMANCE


SITE: HOWARDS GRCVE SCHCCL, HCWARDS GROVE.WIS
REPORT PERIOD: NARCh.el79


SOLAR/2041-79/03


DAYTIME
AMBIENT
TEMP
DEG F

36
32
*
39
29
34
34
39
37

20
33
44
23
*

39
1

41
42
41
45
*
19
25
29
*
34
51
34


35


INCIDENT
SCLAR
ENERGY
WILLICN
ETU

4.944
0.980
0.846
1.158
1 439
5.908
0.792
1.276
0.946
o629
2,986
6.297
5.073
4.945
5 66
5.861
1.321
3.885

3.318
I 05
5.382
0.244
0 726
2.222
5.346
6.483
C4677
0o965
1.311
27644

88.460

2.854

Q001


CFERATIChAL
INCIDENT
ENERGY
MILLICN
BTU

3.859
0.000
0.000
0.219
CO000
5.153
C000
0.000
0o000
4,692
0.799
5.397
4.553
3o205
1
5o158
0.252
3.457
0.000
2,791
0.000
4o922
C.000
0.000
C.000
4.477
5.888
0.000
0.000
C.103
1.706

58.516

1.888


COLLECTED
SOLAR
ENERGY
NILLICN
BTU

1o384
0.000
0.000
0o046
0.000
1.847
0.000
0.000
0.000
0.831
0.103
1.838
1.35S
0.607

1.476
0.047
0.998
0.000
0,847
0.000
1779
0.000
0.000
0.000
1o247
1.926
0.000
0.000
0.045
0.345

17.281

0.557

0100


COLLECTOR
ARRAY
EFFICIENCY


0.280
0.000
0.000
0.040
0.000
0.313
0,000
0.000
0.000
0.148
0.035
0.292
0.268
0.123
*
0.252
0.035
0.257
0.000
0.255
0.000
0o330
0.000
0.000
0.000
0.233
0,297
0.000
0.000
0o034
0o125


CAY
OF
MCNTH


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
31

SUM
AVG

NESID


0.195


N1 00


* DENOTES UNAVAILABLE DATA.
8 DENOTES NULL DATA.
N.A. DENOTES NCT APPLICABLE DATA.










SOLAR HEATING AND CCCLING DEMNCSTRATICN PROGRAM


MONTHLY REPORT
STORAGE PERFORMANCE


SITE: HOWARDS GROVE SCI-COL. HOWARDS GROVE.WIS
REPORT PERICC: NAFCI-.179


SOLAR/2041-79/03


DAY
OF
MCNTH


I--------
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
31

SUM

AVG

NES ID


ENERGY
TC
STCRACE
MILLICN
BTU

1 300
0.000
O.OCO
0.062
OOCO
1.738
0.000
0.000
0.000
0:863
0.117
1.714
1 327
0.613

14CO0
0.060
10303
0.000
0.816
C.000
1 647
C .000
0.000
C0O000
1.168
I 795
0.000
0.000
0.045
0.444

16.959

0.547

0200


ENERGY
FRCM
STORAGE
NILLICh
ETU

0.774
0.452
0.131
0.106
0.034
00827
0.638

0.059
0.764
0.155
0.886
1.051
1.174


0.392
0.266
0.718
C.528
0.313
0.846
0.457
0.3227
0.011
0.744
1.090
0.567
0.101
0.076
0.379

15.397

- -----1----1L-
0.497

Q201


CHANGE
IN STORED
ENERGY
JILLICh
BTU

0.295
-0.416
-0. 132
-0.020
0.037
0.639
-0.578
0.029
-0.020
-0.106
-0.014
0.632
0.095
-0.639
0.329
0.273
-0.399
0.522
-0.572
0 243
-0.263
0.511
-0.468
-0.290
0.026
0.334
0.255
-0.388
-0.077
0.084
-0.071

-0.14S

-0.005

Q202
---------


STORAGE
AVERAGE
TEMP
DEG F

79
75
69
67
68
80
76
69
70
70
66
78
85
81

81
83
83
79
78
74
82
80
68
65
74
81
76
71
71
72


STORAGE
EFFICIENCY



0.822
1.000
1 000
1. 369
1.000
0.844
1.000
1000
1.000
0.763
1.213
0.886
0.864
00873

0.862
-0.108
0.605
1.000
0.944
1 000
0.824
1.000
1*000
1 000
0.922
0.749
1.000
1.000
3.571
0.694


0.899

N108


* DENOTES UNAVAILABLE CATA.
& DENOTES NULL DATA.
N.A. DENOTES NOT APPLICABLE DATA.







SOLAR HEATING AND COOLING DEMONSTRATION PROGRAM


MCNTILY REPORT
SPACE HEATING SUBSYSTEM


SOLAR/2041-79/03


SITE: HOWARDS GRCVE SCHOOL, HCWARCS CROVE9WIS
REPORT PERIOD: MARCH,1979


DAY
OF
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
31

SUM

AVG

NBS


SPACE
HEATING
LOAD
MILLION
BTL

1.861
1.649
1.392
1.6671
2.616
2.286
1.994|
2.024
1.811
3.500
3.277
2.740
1.911
2.432

2 152
0.881
0.958
10569
1.588
1.612
1. 738
1.282
4.338
4.649
3.113
2.485
1.669
1.8791
1.564
2.081

66.881

2.157

0402


SOLAR
FR.OF
LOAD
PCT


42
27
9
6
1
36
32
5

22
5
32
55
48

43
45
28
46
33
19
49
36
8
0
24
44
34
5
5
18


23

N400


SOLAR
ENERGY
USED
MILLION
BTU

0.774
0.452
0.131
0.106
0.034
0.827
0.638
0.099
0.059
0.764
0.155
0.886
1.051
1.174

0.935
0.392
0.266
0.718
0.528
0.313
0.846
0.457
0.327
0.011
0.744
1.090
0.567
0.101
0.076
0.379

15.397

0.497

0400


CPER
ENERGY

MILLION
ETU

0 264
0.225
0.161
0 1191
0.3141
0.26S
0.274
0. 256
0,221
0.274
0.3C23
0.291
0.238
0.296

0.262
0.090
0. 1C6
0.212
0.231
0.219
0.249
0.208
0.426
0.443
0.349
0.290
0.214
0.261
0.218
0.219

7.831

0.253
0403


AUX
THERMAL
USED
MILLICN
ETU

1.087
1.197
1.262
1.561
2.583
1.458
1.356
1.926
1.752
2.736
3.122
1 853
0.860
1.258

1217
0.488
0.692
0.852
1.060
1.300
0.893
0.825
4.011
4.639]
2.370
10395
1.102
1.778
1.488
1.703

51.484

1.661

C401


AUX
ELECT
FUEL
MILLION
ETU

N
C
T

A
P
P
L
I
C
A
81
L
E
















SN.A.
NA

h..A


AUX
FOSSIL
FUEL
MILLION
BTL

1.430
1.575
1.660
2.054
3.398
1.9191
1.784
2.534
2.305
3.600
4.108
2.439
1.131
1.655

1.602
0.643
0.910
1.121
1.395
1.710
1 174
1.086
502781
6 103
3.1181
1.836
1.450
2.340
1.958
2.240

67.742

2.185

0410


ELECT
ENERGY
SAVINGS
WILLICN
BTU

-00048
-0.045
-0.053
-0.071
-0.134
-0.056
-0.053
-0 101
-0.088
-0.067
-0.121
-0.055
-0.000
0.062

-0 069
0.027
-0.017
0.033
0.001
-0.062
-0.040
-0.008
-0 168
-0.196
-0.007
-0.062
-0.015
-0.103
-0.086
-0.061

-1.718

-0.055

0415


* DENOTES UNAVAILABLE OATA.
& DENOTES NULL DATA.
N.A. DENOTES NCT APPLICABLE CATA.


FOSSIL
ENERGY
SAVINGS
MILLION
BTU

1.019
0 595
0.172
0 139
0.044
10089
0.840
0.130
0.078
1.006
00204
1.166
1.383
1.545

1.230
0.516
0.350
0.944
0.694
0.411
1.113
0.602
0.431
0.014
0.978
1 434
0.746
0.133
0.099
0.498

20.259

0.654

Q417


BLDG
TEMP

DEG.
F

65
64
62
62
63
64
64
64
64
62
62
64
65
64

65
63
63
64
65
65
66
65
61
61
63
64
64
64
65
63


64

N406


AMB
TEMP

DEG.
F

31
31
35
35
28
30
32
34
32
8
14
25
37
21
*
30
34
40
41
38
37
36
40
22
18
20
22
34
35
44
33


31

N113









MONTHLY REPORT
ENVIRONMENTAL SUMMARY

SITE: HCWARCS GROVE SCMHOL, tCWAFCS GROVEWIS
REPORT PERIOD: MARCh,1979

DAY TOTAL DIFFUSE AMBIENT DAYTIME RELATIVE
OF INSOLATION INSOLATION TEMPERATURE AMBIENT HUMIDITY
MONTH TEMP
BTU/SQ.FT BTU/SQ.FT DEG F DEG F PERCENT

1 1841 h 31 36 N
2 365 C 31 32 O
3 215 T 35 T
4 431 35 39
5 536 A 28 29 A
6 2200 P 30 34 P
7 295 F 32 34 P
8 475 L 34 39 L
9 352 I 32 37 I
10 2096 C 8 C
11 1112 A 14 20 A
12 2345 E 25 33 B
13 1889 L 37 44 L
14 1841 E 21 23 E
15 *
16 2182 30 *
17 492 34 39
e1 1447 40 4
19 219 41 *
20 1235 38 41
21 560 37 42
22 2004 36 41
23 91 40 45
24 270 22 *
25 827 18 19
26 1991 20 25
27 2414 22 29
28 174 34 *
29 359 35 34
30 488 44 51
31 1029 33 34

SUM 32940 A. -

AVG 1063 N.A. 31 35 N

NBS ID GO01 N113

* DENOTES UNAVAILABLE DATA.
M DENCTES NULL DATA.
N.A. DENOTES NOT APPLICABLE DATA.











II II3 111111111111111 11 11111 6209052 11461111
3 1262 .09052 1146


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3 1262.09052 1146




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