Monthly performance report

MISSING IMAGE

Material Information

Title:
Monthly performance report J. D. Evans, house B
Uncontrolled:
J. D. Evans, house B
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 -- Maryland -- Columbia   ( lcsh )
Solar houses -- Maryland -- Columbia   ( lcsh )
Genre:
federal government publication   ( marcgt )
non-fiction   ( marcgt )

Notes

General Note:
National solar data program.
General Note:
Monthly Catalog Number: gp 80007719
General Note:
National solar heating and cooling demonstration program.
General Note:
"SOLAR/1013-78/10" ; SOLAR/1013-78/12" ; "SOLAR/1013-79/02" ; "SOLAR/1013-79/03."

Record Information

Source Institution:
University of Florida
Rights Management:
All applicable rights reserved by the source institution and holding location.
Resource Identifier:
aleph - 027034690
oclc - 05908056
System ID:
AA00013816:00001


This item is only available as the following downloads:


Full Text


SOLAR/1013-79/02


Monthly

Performance

Report


I


J. D. EVANS
HOUSE B
FEBRUARY 1979


U.S. Department of Energy

National Solar Heating and
Cooling Demonstration Program

National Solar Data Program


S_6L K / 1





































NOTICE
This report was 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.








MONTHLY PERFORMANCE REPORT


J. D. EVANS, INC.
HOUSE B

FEBRUARY 1979


I. SYSTEM DESCRIPTION

J. D. Evans, Inc., House B is one of two instrumented single-family residences
in Columbia, Maryland. The home has approximately 2250 square feet of condi-
tioned space. Solar energy is used for space heating the home and preheating
domestic hot water (DHW). The solar energy system has an array of flat-plate
collectors with a gross area of 374 square feet. The array faces south at an
angle of 45 degrees to the horizontal. Water is the transfer medium that
delivers solar energy from the collector array to storage and to the space
heating and hot water loads. Solar energy is stored in the basement in a
1000-gallon steel storage tank. Incoming city water is preheated in a liquid-
to-liquid heat exchanger located in the storage tank and then flows into a
conventional 40-gallon DHW tank. When solar energy is insufficient to satisfy
the space heating load, a heat exchanger within a heat pump and an electrical
heating element in the air-distribution duct provides auxiliary energy for
space heating. Similarly, an electrical heating element in the DHW tank
provides auxiliary energy for water heating. The system, shown schematically
in Figure 1, has three modes of solar operation.

Mode 1 Collector-to-Storage: This mode activates when the temperature
difference between the storage tank and the collector outlet is higher than
150F. Water circulates from the storage tank through the collector until a
temperature difference of less than 5F is reached.

Mode 2 Storage-to-Space Heating: This mode activates when thermal energy
for space heating is requested by the room thermostat. Solar-heated water
from storage circulates through a liquid-to-air heat exchanger in the space
heating air duct. If solar energy is insufficient to satisfy the space
heating load, the heat pump and/or the auxiliary electrical heating element
will be activated. The electrical strip heater can also be manually operated
without solar heating and heat pump operation.

Mode 3 DHW Preheating: This mode is activated by drawing hot water from the
system. Cold supply water is preheated in a liquid-to-liquid heat exchanger
located in the solar energy storage tank before flowing to the DHW tank. If
the required DHW tank temperature of 140F is not maintained by solar preheat-
ing, auxiliary energy is provided by the electrical heating element in the DHW
tank.


II. PERFORMANCE EVALUATION


INTRODUCTION

The site was occupied in February and the solar energy system operated contin-
uously during the month. Solar energy satisfied 6 percent of the space heating

















*1001 COLLECTOR PLANE TOTAL INSOLATION
VT001 OUTDOOR TEMPERATURE


SPACE
,T175 ,,.HEATING OR
COOLING
T476 SUPPLY


COLD WATER EXSTRIP HEATER
SUPPLY EXPANSION E
STANK

C __DOMESTIC
HOT
T10 WATER
T150
T351

350 Bl EP451
150 IIW350

ST452
40 GAL
DHW
HEATER

HEAT PUMP
ST375


P2 EP10 P453 RTT453
EP350
1,00-GAL EP350 T450
THERMAL

5W451


W450 I T451 RETURN
= =-\. AIR


Figure 1. J. D. EVANS, INC., HOUSE B SOLAR ENERGY SYSTEM SCHEMA TIC








requirements. Solar fraction of the DHW load and DHW auxiliary electrical
energy were not determined because of problems with the DHW auxiliary energy
sensor. The solar energy system provided electrical savings of 1.3 million
Btu. No data was collected during the first 13 days of the month. The Site
Data Acquisition Subsystem (SDAS) was repaired and put back into operation on
February 13.


WEATHER CONDITIONS

During the month, total incident solar energy on the collector array was 9.7
million Btu for a daily average of 925 Btu per square foot. This was below
the estimated average daily solar radiation for this geographical area during
February of 1205 Btu per square foot for a south-facing plane with a tilt of
45 degrees to the horizontal. The average ambient temperature during February
was 260F as compared with the long-term average for February of 350F.


THERMAL PERFORMANCE

Collector The total incident solar radiation on the collector array for the
month of February was 9.7 million Btu. During the period the collector loop
was operating the total insolation amounted to 6.9 million Btu. The total
collected solar energy for the month of February was 2.1 million Btu, resulting
in a collector array efficiency of 22 percent, based on total incident
insolation. Solar energy delivered from the collector array to storage was
2.1 million Btu. Operating energy required by the collector loop was 0.062
million Btu.

Storage Solar energy delivered to storage was 2.1 million Btu. There were
1.6 million Btu delivered from storage to the DHW and space heating subsystems.
Energy loss from storage was 0.24 million Btu. This loss represented 11 per-
cent of the energy delivered to storage. The storage efficiency was 89 percent:
This is calculated as the ratio of the sum of the energy removed from storage
and the change in stored energy, to the energy delivered to storage. The aver-
age storage temperature for the month was 1050F.

DHW Load The DHW subsystem consumed 0.64 million Btu of solar energy and an
undetermined amount of auxiliary energy to satisfy a hot water load of 1.5
million Btu. The auxiliary electrical energy consumed was not determined
because of sensor problems. The DHW subsystem consumed no operating energy,
resulting in an electrical energy savings of 0.64 million Btu. A daily average
of 79 gallons of DHW was consumed at an average temperature of 120F delivered
from the tank.

Space Heating Load The space heating subsystem consumed 0.95 million Btu of
solar energy and 9.6 million Btu of auxiliary electrical energy to satisfy a
space heating load of 17.2 million Btu. The heat pump supplied a load of 14.4
million Btu. The solar fraction of the space heating load was 6 percent. The
space heating subsystem consumed a total of 0.82 million Btu of operating
energy, resulting in an electrical energy savings of 0.72 million Btu. The
average ambient temperature inside the house was 680F.








OBSERVATIONS


No data was collected during the first 13 days of the month. The SDAS was
repaired and put back into operation on February 13. Data was collected and
processed from February 13 to the end of the month. The net loss of collected
solar energy on February 13 was caused by the forced system operation at low
incident radiation for systems test.


ENERGY SAVINGS

The solar energy system provided a net electrical energy savings of 1.3 mil-
lion Btu. The DHW subsystem provided an electrical energy savings of 0.64
million Btu, while the space heating subsystem contributed an electrical
energy savings of 0.72 million Btu.


III. ACTION STATUS

Boeing is expected to investigate the DHW electrical heater power sensor.






SOLAR HEATING AND COOLING DEMONSTRATION PROGRAM


MONTHLY REDOPT
SITE SUMMARY


SITE: J.D. EVANSINC. HOUSE B, COLUMBIA, MARYLAND
REPORT PERIOD: FEBRUARY,1979


SITE/SYSTEM DESCRIPTION:
THE INSTALLATION CONSISTS OF TWO ADJACENT BUT SEPARATE RESIDENCES USIN3
A SINGLE J-BOX AND SDAS. THE TWO HOUSES HAVE IDENTICAL AND INDEPENDENT
SOLAR ASSISTED SYSTEMS. A LIQUID COLLECTOR TRANSFERS SOLAR HEAT TO A
1000 GALLON STORAGE TANK. A HEAT EXCHANGER IN THE STORAGE TANK PREHEATS
DOMESTIC HOT WATER. STORAGE WATER IS CIRCULATED TO AN INDUCTIVE HEAT
EXCHANGER FOR SPACE HEATING. RESISTANCE HEATING AND A HEAT DUMP, WHICH
SUPPLIES SOME HEAT AND ALL COOLING, COMPLETE THE SYSTEM. ALL AUXILIARY
ENERGY USED IS ELECTRIC.


GENERAL SITE DATA:
INCIDENT SOLAR ENERGY


COLLECTED SOLAR ENERGY
AVERAGE AMBIENT TEMPERATURE
AVERAGE BUILDING TEMPERATURE
ECSS SOLAR CONVERSION EFFICIENCY
ECSS OPERATING ENERGY
TOTAL SYSTEM OPERATING ENERGY
TCTAL ENERGY CONSUMED


9.689
25906
2.081
5564
26
68
0.16
0.062
0.885
*


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


SUBSYSTEM SUMMARY:
LCAD
SOLAR FRACTION
SOLAR ENERGY USED
OPERATING ENERGY
AUX. THERMAL ENERGY
AUX. ELECTRIC FUEL
AUX. FOSSIL FUEL
ELECTRICAL SAVINGS
FOSSIL SAVINGS


HOT WATER
1.446
0.636
N.A.
*


N.A.
0.636
N.A.


HEATING
17.220
6
0.951
0.823
7.263
9.556
N.A.
0.717
N.A.


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


SYSTEM TOTAL
18.661 MILLION BTU
PERCENT
1.587 MILLION BTU
0.885 MILLION BTU
MILLION BTU
MILLION BTU
N.A. MILLION BTU
1.290 MILLION BTU
N.A. MILLION BTU


SYSTEM PERFORMANCE FACTOR:


* DENOTES UNAVAILABLE DATA
@ DENOTES NULL DATA
N.A. DENOTES NOT APPLICABLE DATA
REFERENCE: USER'S GUIDE TO THE MONTHLY PERFORMANCE REPORT
OF THE NATIONAL SOLAR DATA PROGRAM,FEBRUARY 28,1979,
SOLAR/0004-78/18


SOLAP/1013-79/02








SOLAR HEATING AND COOLING DEMONSTRATION PROGRAM


MONTHLY REPORT
SITE SUMMARY


SITE: J.D. EVANS,INC. HOUSE B, COLUMBIA, MARYLAND SOLAR/1313-79/02
REPORT PERIOD: FEBRUARY,1979

SITE/SYSTEM DESCRIPTION:
THE INSTALLATION CONSISTS CF TWO ADJACENT BUT SEPARATE RESIDENCES USING
A SINGLE J-BOX AND SDAS. THE TWO HOUSES HAVE IDENTICAL AND INDEPENDENT
SOLAR ASSISTED SYSTEMS. A LIQUID COLLECTOR TRANSFERS SOLAR HEAT TO A
1000 GALLON STORAGE TANK. A HEAT EXCHANGER IN THE STORAGE TANK PREHEATS
DOMESTIC HOT WATER. STORAGE WATER IS CIRCULATED TO AN INDUCTIVE HEAT
EXCHANGER FOR SPACE HEATING. RESISTANCE HEATING AND A HEAT PUMP, WHICH
SUPPLIES SOME HEAT AND ALL COOLING, COMPLETE THF SYSTEM. ALL AUXILIARY
ENERGY USED IS ELECTRIC.


GENERAL SITE DATA:
INCIDENT SOLAR ENERGY


COLLECTED SOLAR ENERGY
AVERAGE AMBIENT TEMPERATURE
AVERAGE BUILDING TEMPERATURE
ECSS SOLAR CONVERSION EFFICIENCY
ECSS OPERATING ENERGY
TOTAL SYSTEM OPERATING ENERGY
TOTAL ENERGY CONSUMED


10.222
294184
2.195
6318C
-3
20
0.16
0.066
0.034
*


GIGA JOULES
KJ/SQ.M.
GIGA JOULES
KJ/SQ.M.
DEGREES C
DEGREES C


GIGA
GIGA
GIGA


JOULES
JOULES
JOULES


SUBSYSTEM SUMMARY:
LOAD
SOLAR FRACTION
SOLAR ENERGY USED
OPERATING ENERGY
AUX. THERMAL ENG
AUX. ELECTRIC FUEL
AUX. FOSSIL FUEL
ELECTRICAL SAVINGS
FCSSIL SAVINGS


HOT WATER
1.525
*
0.670
N.A.
*
*
N.A.
0.670
N.A.


HEATING
18.167
6
1.003
0.868
7.663
10.082
N.A.
0.756
N.A.


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


SYSTEM TOTAL
19.687 GIGA JOULES
PERCENT
1.674 GIGA JOULES
0.934 GIGA JOULES
GIGA JOULES
GIGA JOULES
N.A. GIGA JOULES
1.361 GIGA JOULES
N.A. GIGA JOULES


SYSTEM PERFORMANCE FACTOR:


* DENOTES UNAVAILABLE DATA
@ DENOTES NULL DATA
N.A. DENOTES NOT APPLICABLE DATA
REFERENCE: USER'S GUIDE TO THE MONTHLY PERFORMANCE REPORT
OF THE NATIONAL SOLAR DATA PROGRAM,FEBRUARY 28,1978,
SOLAR/0004-78/18






SCLAR HEATING AND COOLING DEMONSTRATION PROGRAM
MONTHLY REPORT
ENERGY COLLECTION AND STORAGE SUBSYSTEM (ECSS)


SITE: J.D. EVANS,INC. HOUSE B, COLUMBIA, MARYLAND
REPORT PERIOD: FEBRUARY,1970


SOLAR/1013-79102


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
SUM
AVG
NBS ID


INCIDENT
SOLAR
ENERGY
MILLION
BTU
*










0.422
*
*
*
*
*
*
*
*

0.148
0.422
0.060
0.151
0.944
0.100
0.662
0.719
0.075
0.724
0.105
0.078
0.054
0.040
0.454
0.801
9.689
0.346
Q001


AMBIENT
TEMP

DEG-F
*
*
*
*

2C3
*




*
*22
*23
*
*
*
12
11
17
23
739
36
22
23
32
40
35
39
39
36
36
40
Ii








26
N113


----------I
ENERGY
TO
LOADS
MILLION
BTU
N
0
T
A
P
P
L
I
C
A
B
L
E i












N.A.
N.A.


----------
AUX
THERMAL
TO ECSS
MILLION
BTU
N
0
T
A
P
P
L
I
C
A
B
L
E


N.A.


N.A.


---------I---------


ECSS
OPERATING
ENERGY
MILLION
BTU
*










0.003




0.000
0.000



0.007
0.062



--~----~-----

0.002
02-----------
-0102


ECSS
ENERGY
REJECTED
MILLION
BTU
N
0
T
A
P
P
L
I
C
A
B
L
E












N.A.
N.-A.


------------I


ECSS SOLAR
CONVERSION
EFFICIENCY

- -


0.129
0.034
0.272
0.152
0.019
2.394
0.102
0.278
1.379
0.062
0.172
0.374
0.275
0.368
0.047
0.078


0. 164
N111


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









SOLAR HEATING AND COOLING DEMONSTRATION PROGRAM
MONTHLY REPORT
COLLECTOR ARRAY PERFORMANCE
SITE: J.D. EVANS,INC. HOUSE B, COLUMBIA, MARYLAND SOLARf1013-79/02
REPORT PERIOD: FEBRUARY,1979


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
SUM
AVG
NBSID


INCIDENT
SOLAR
ENERGY
MILLION
BTU
*:
*
*
*
*
*
*

*
*
*
0.148
0.422
0.060
0.151
0.944
0. 00
0.662
0.719
0.075
0.724
0.105
0.078
0.054
0.040
0.454
0.801
9.689
0.34,6
Q001


OPERATIONAL
INCIDENT
ENERGY
MILLION
BTU
*
*








0.028
0.285
0,000
0. 000
0.769
0.000
0.495
0.639
0.000
0,659
0.000
0.000
0.000
0.000
0.295
0.780
6.913
24
*
*
*
*
*
*
*
*

0.028
0.285
0.000
0.000
0.769
0.000
0.495
0.639
0.000
0.659
0.000
0.000
0.000
0.000
0.295
0.780
6.913
0.247


COLLECTED
SOLAR
ENERGY
MILLION
BTU
*
*
*
*
*
*

*:
*
*
*


-0.004
0.082
0.000
0.000
0.200
0.000
0.149
0.202
0.000
0.233
0.000
0.000
0.000
0.000
0.067
0.261
2.081
0.074
Q100
-I-----


----------I
DAYTIME
AMBIENT
TEMP
DEG F

*









16
18
19
28
8
28
34
36
48
38

41




37
38
36
48
39

38
*
2 J

29
34-----


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


COLLECTOR
ARRAY
EFFICIENCY


*
*
*
*
*
*
*
*
*
*

-0. 02*
0.195
0.000
0.000
0.211
0.000
0.225
0.281
0.000
0.322
0.000
0.000
0.000
0.000
0.147
0.325


0.215
N100







SOLAP HEATING AND COOLING DEMONSTRATION PROGRAM
MONTHLY REPORT
STORAGE PERFORMANCE
SITE: J.D. EVANS,INC. HOUSE B, COLUMBIA, MARYLAND SCLAR/1013-79/02
REPORT PERIOD: FEBRUARY,1979


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
------- I
SUM
AVG
-NBS 1I


ENERGY
TO
STORAGE
MILLION
BTU










-0.004
0.082
0.000
0.000
0.200
0.000
0.149
0.202
0.000
0.233
0.000
0.000
0.000
0.000
0.067
0.261
2.081
0.074
Q200
Q200


ENERGY
FROM
STORAGE
MILLION
BTU
~-----------









0.019
0.014
0.016
0.023
0.018
0.239
0.068
0.200
0.104
0.045
0.018
0.029
0.015
0.015
0.02i
0.062
1.587
0.057
-----------
----------I


CHANGE
IN STORED
ENERGv
MILLION
BTU










-0.012
0.058
-0.031
-0.025
0.166
-0.243
0.063
0.015
-0.097
0.163
-0.027
-0.036
-0.022
0.045
0.152
0.258
0.009
Q202
-0.012
0-058
-0.031
-0.025

0.063
0.015
-0.097
-0.027








Q202


STORAGE
AVFPAGC
TEMP
DEc F











103
107
108
105
113
116
98
102
92
102
110
106
102
99
101
117

~----------
S*






















105
108--
105
113
116
98
102
92
102
110
106
102
99
101
117


105


STORAGE
EFFICIENCY












-1.627
0.89
1.000
1.000
0.920
1.000
0.876
1.064
1.000
0.893
1.000
1.000
1.000
1.000
3,994
0.822



N108
N108


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








SOLAR HEATING AND COOLING DEMONSTRATION PROGRAM
MONTHLY REPORT
HOT WATER SUBSYSTEM


SITE: J.D. EVANS,INC. HOUSE 8,
REPORT PERIOD: FEBRUARY,1979


COLUMBIA, MARYLAND


SOLAR/ 013-79/02


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
SUM
AVG
NBS


HOT
WATER
LOAD
MILLION
BTU











0.0451
0.0331
0.034'
0.058*
0.042
0.053
0.0831
0.032i
*







104







0.036
0.068
0.03k
0.041








0.057
*








0.064

1.446
0.045
0.0 33








0.052






0302
0.0831
0.032
0,04C
0.104
0.036
0.068
0.03k
0.041
00 57
0.064
1.446
0.052
Q302


SOLAR
FR.OF
LOAD
PER
CENT
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*


*

N300


OPER
ENERGY
MILLION
BTU
N
0
T
A
P
P
L
I
C
A
B
L
E


SOLAR
ENERGY
USED
MILLION
BTU











0.019
*
*
*
*







0.014
0.016
0.023
0.018
0.031
0.037
0.015
0.012
0.045
0.018
0.029
0.015
0.015
0.021
0.033
0.636
0.023

0300
Q3 00


AUX
THERMAL
USED
MILLION
BTU
*






*1


*
*
*1
*1
*
*1





*'
*1






*






Q301


AUX AUX
ELECT FOSSIL
FUEL FUJFL
MILLION MILLION
BTU BTU
N
0
T

Al
*P
A'
P
LI
I
C
A
SLI
E

NA
N.A.
*E

*
*
*
*
*
*




N.A.
N.A.

Q305 Q306


ELECT
ENERGY
SAVINGS
MILLION
BTU











0.019
0.014
0. 16
0.023
0.019
*03








1.015
0.012
0.045
0.018
O.029
3.015
0.C21
0.033
0.636
0.0-23
0311
*
*
*
*
*
*
*
*
*
*

0.019
0.014
0.016
0.023
0.018
0.031
0.037
D.015
0 012
0.045
0 018
0* 029
3.015
0.015
0.C21
0.033
0.636
0.023
0311


FOSSIL
ENEFGV
SAVINGS
MILLION
BTU
N
0
T
A
P
P
L
C
A
8B
L
E












N.A.
N.A.
Q313


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


N.A.
N.A.
Q303


SUP.
WAT.
TEMP
DEG





54
*50










52
48
45
53
51
*50
*
*
*











46
45
54
50
52
48
45
53
51
50
46








0----I
45
47
46
46
47
48
53


49
N305


HOT
WAT.
TEMP
DEG
F
*









120
120
12C
119
120
12






21
121
21
119
120
121
123
121
120



120
N307
*
*
*
*
*
*


120
120
12C
119
120
121
121
121
119
120
121
123
121
120
118


120
N307


HOT
WATER
USED
GAL
*
*







0t
*
*
*

41
*

*
*

70
51
54
64
83
125
62
161





2224
79
10308
56
63
88
06

2224
79
N308







SOLAP HEATING AND COOLING DEMONSTRATION PROGRAM


MONTHLY REPORT
SPACE HEATING SURJYSTEM


SOLAR/1013-79C02


SITE: J.D. EVANSINC. HOUSE B, COLUMBIA, MARYLAND
REPORT PERIOD: FEBRUARY,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
SUM
AVG
NBS


SPACE
HEATING
LOAD
MILLION
BTU
*
*








0.866*
0.820
0.868
0.839
0.924
0.875
0.851
0.460
0.459
0.281
0.433
0.363
0.506
0.543
0.492
0.261
17.220
0.615
Q402


SOLAR
FR.OF0
LOAD
PCT






*
*
*
*
*





24
*





40
20
*
0




0
0
0
0




0

0
24
4
40
20
0
0
0
0
0
0
11


6
N400


SOLAR
ENERGY
USED
MILLION
BTU













0.000
0.000
0.208
0.030
0.185
0.091
0.000
0.000
0.000
0.000
0.000
0.000
0.029
0.951
0.034
0400
*


OPER
ENERGY
MILLION
BTU










0.048
0.045
0.045
0.03'9
0.046
0.050
0.036
0.030
0.024
0.01150
0.014
0.017
0.019
0.019
0.011
0.823
0.020
Q403


AUX
THERMAL
USED
MILLION
BTU










0.431
0.429
0.361
0.323
0.582
0.424
0.419
0.128
0.126
0.096
0. 143
0.113
0.161
0.179
0.159
0.078
7.263
0.250
Q401


AUX
FOSSIL
FUEL
MILLION
BTU
N
0
T
A
P1
P
L
II
Cl
A
B
L
El


AUX
ELECT
FUEL
MILLION
BTU
*
*




*1
*

0.567
0.555
0.498
0.447
0.7061
0.521'
0.516
0.171
0.175
0. 133'
0.201
0.160'
0.2261
0.2501
0.225
0.1091
9.556
-0.3411


N.A.
Q410


ELECT
ENIFRGY
SAVI NG S
MILLION
BTU
*



*
*
*
*


0.000
0.000
0.000
0. 000
0.000
0.177
0.021
0.134
0.062
0.000'
0.000
0.000
0.000
0.0001
0.000
0.015
0.717
0.026
0415


FOSSIL
ENE rGY
SAVINGS
MILLION
BTU
N
0
T
A
P
P
Li
I
C
A
B
L
E


N. A.
N.A.
Q417


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


N.A.


----I
BLDG
TEMP'
DEG.
F
*6
*




67
*
*1
*6

67
*
*
*

67
67
67
68
67
68
67

68
68
68
68
68
68

68



N406


AM3
TEMP
DEG.
F













7
*6

35
*
*
*
*
*
*
*
*
*
12
11
17
23
7
6
22
23
32
40
35
39
39
36
36
40


26
N113






SOLAR HEATING AND COOLING DEMONSTRATION PROGRAM
MONTHLY REPORT
ENVIRONMENTAL SUMMARY

SITE: J.D. EVANS,INC. HOUSE B, COLUMRIA, MARYLAND
REPORT PERIOD: FEBRUARY,1979
------------- -------- ----------- ----------- ---------- ----------- ----
DAY TOTAL DIFFUSE AMBIENT DAYTIME RELATIVE
OF INSOLATION INSOLATION TEMPERATURE AMBIENT HUMIDITY DIR
MONTH TEMP
BTU/SQ.FT BTU/SQ.FT DEG F DEG F PERCENT DE
--------------- --------- ----------- ----------- ---------- ----------- ----
1 N N
2 O 0
3 T T
4 *
5 A A
6 P P
7 P P
8 L L
9 I I
10 C C
11 A A
12 B B
13 395 L 12 16 L
14 1127 E 11 18 E
15 160 17 19
16 403 23 28
17 2524 7 11
18 267 6 8
19 1770 22 28
20 1923 23 34
21 201 32 36
22 1935 40 48
23 281 35 38
24 210 39 39
25 145 39 41
26 106 36 37
27 1214 36 38
28 2143 40 *
-------------------------------- ----------- ----------- ---------- ----------- ----
SUM 25906 N.A. -
----------------- ---------- ----------- ---------- ----------- ----
AVG 925 N.A. 26 29 N.A.
---------- -------- ----------- ----------- ---------- ----------- ----
NBS ID Q001 N1l?

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


SOLAR/IOL3-7O/02


WIND
SECTION
GREES
N
0
T
A
P
D
L
I
C
A
B
L
E


N.A.
N115


WIND
SPEED
M.P.H.
N
0
T

A
P
P
L
I
C
A
B
L
E
r-














N.A.
N114








SOLAR HEATING AND COOLING DEMONSTRATION PROGRAM
MONTHLY REPORT
THERMODYNAMIC CONVERSION EQUIPMENT
SITE: J.D. EVANS,INC. HOUSE B, COLUMBIA, MARYLAND SOLAR/1013-79/02
REPORT PERIOD: FEBRUARY,1979


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
SUM
AVG


EQUIPMENT
LOAD
MILLION
BTU
*
*
*
*
*






0.754
0.685
0.826
0.806
0.632
0.471
0.620
0.247
0.355
0.270
0.424
0.361
0.498
0.531
0.485
0.223
14.338
0.512
0.512


g--- -
CPFRATING
ENERGY
MILLION
BTU
N
0
T
A
P
P
L
I
C
A
B
L
E


ENzRGY
PFJECTED
MILLION
BTU
N
0
T
A
P
P
L
I
C
A
P.
L
E


THERMAL L
ENERGY
IN'UT
MILLION
BTU
*
*
*
*
*






3.456
I*






0.419
03456
0.419
0.414
0.414
0.325
0.326
0.144
0.163
0.122
0.192
0.158
0.218
0.239
0.219
0.105
7.643
0.273
0.273


--- --
COE FIC ENTr
OF
PERFORMANCE
(SEE NOTE)
j-----------
*
*








2.347
2.380
2.672
2. 597
1.500
2.466
2.571
7.750
7.648
10.058
14.306
10.171
7.639
10.287
6.032
3.133
*112












-----------I
*
*
*
*
*
*
*
2.347
2.380
2.597
1.695
1.500
2.466
2.571
7.750
7.648
10.058
14.306
10. 171
7.639
10 287
6.032
3.133
0.112


* DENOTES UNAVAILABLE DATA.
@ DENOTES NULL DATA.
N.A. DENOTES NOT APPLICABLE DATA.
NOTE:


I *
*










UNIVERSITY OF FLORIDA
III 111111111111 1111 11111111111 111 111IIIiIII111
3 1262 08533 5601




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