Footnotes

1. Doctor Joseph J. Loferski, Division of Engineering, Brown University; Solar Photovoltaic Energy Hearings before the Subcommittee on Energy

of the Committee on Science and Astronautics, U.S. House of Representatives, June 6 and 11, 1974, 93rd Congress, 2nd Session, p. 4 (hereafter called Photovoltaic Hearings)

2. Popular Science, December 1974

3. Photovoltaic Hearings, p. 38

4. Ibid. pp. 87

5. Ibid. pp. 46-7

6. Federal Energy Administration Project Independence Final Task Force

Report on Solar Energy, November 1974, p. VII C-51-55 (hereafter called Task Force Report)

7. Task Force Report, p. VII B-3

8. Photovoltaic Hearings, p. 147

9. Ibid., p. 3

10. Forbes Magazine, October 15, 1974

11. These figures on electric power growth are taken from Senator Lee

Metcalf's insert in the Congressional Record, January 20, 1975, 94th Congress 1st session.

12. Task Force Report, Table I-1

13. Task Force Report, VII C-67-8

14. Ibid., VII-4

15. Statement of H. Guyford Stever, Director, National Science Foundation, Photovoltaic Hearings, p. 127

16. Task Force Report, VII C-14

17. NSF/NASA Solar Energy Panel, "An Assessment of Solar Energy as a National Resource", December 1972

18. Photovoltaic Hearings, p. 3-4

Footnotes (cont'd)

20. Task Force Report, VII C-14

21. Dr. Eugene L. Ralph, vice president for research and development, Spectrolab, division of Textron, Inc., Photovoltaic Hearings, p. 26

24. The table presented in this paper was compiled from data from the Solarex Corporation and the adaptation of this data in an investment production schedule form in Senator Mike Gravel's Energy Newsletter of September 1974

25. U.S. News and World Report, February 24, 1975, p. 28

26. Dollars and Cents, January 1975, p. 8

3. Paper by W. A. Shurcliff, Cambridge, Mass., "Solar Heated Buildings, A Brief Survey," January 17, 1975

SOLAR HEATED BUILDINGS

A BRIEF SURVEY

We include houses, schools, commercial buildings that are partially or fully solar heated. We include buildings that did exist, do exist, or are expected to exist very soon. Total number included: 92.

Buildings in USA are discussed by states, alphabetically (Alabama, Ariz., California, etc.). Then buildings in foreign countries are discussed.

We are greatly indebted to many owners, inventors, architects, and solar engineers for supplying important information not generally available. Probably many errors and gaps remain. We invite readers to send corrections and additional material.

Warning:

patents.

Many of the systems and components discussed are covered by

Distributed by Solar Energy Digest

PO Box 17776, San Diego, California, 92117
Price: $7 postpaid. Payment must accompany order.

56-516 O 75 Pt. 1C - 32

Solar-heated-and-cooled test house built by Marshall Space Flight
Center (NASA)(J. W. Wiggins et al).

The house consists of three office-type trailers joined together
side-by-side, with long axes E-W. Trailer lengths and widths are:
58 ft x 10 ft, 58 ft x 10 ft, 30 ft x 12 ft. The (added, specially
supported) roof has 45° slopes to N and S.

Collector: 1300 ft2, flat-plate, water-type, with 45° slope.

It includes 31 segments each of which contains seven 2 ft x 3 ft
panels hydraulically in series. The small (2 ft x 3 ft) size was
used in order to conform to dimensions of available electroplating
facility. Each panel is an Olin Brass Co. Roll-Bond panel of Type
1100 aluminum. The integral, expanded, parallel-connected channels
of the panel are 1.5 in. apart on centers; each channel is 0.375
in. wide ID and 0.065 in. high ID, with wall thickness 0.030 in.
at the channel and twice this in regions between channels. Cost of
bare panel: about $0.70/ft2. Highly selective, NASA-type, black
coating applied to panel by electroplating. Glazing: one layer of
0.004-in. Tedlar supported by a 2-in. x 4-in.mesh steel screen.
Backing: 6 in. high-density (3 lb/ft3) fiberglass, providing U of
0.02 Btu/ft2 h °F) and allowing a steady-state heat loss of only
8 Btu/(fth) with 200 F deg. temp. difference. Fluid used:
deionized water. Fluid pressure: 30 psig, to permit use to 260 F.
Total weight of collector system: 4600 lb.

Storage system: 4700 gallon horizontal cylindrical aluminum tank
containing 3600 gallons of deionized water. Tank is insulated by
2 to 3 ft of 3-lb/ft3 fiberglass.

Cooling in summer: LiBr water absorption system such as was made
by Arkla Eng'g. Co. before 1968, but with 210 F water supplied from
storage tank instead of from gas-fired heater. System has COP of
0.67 and provides 3 tons of cooling. Generator and also the water-
evaporator operate at partial vacuum: generator pressure is 100 m.;
evaporator pressure and temp.: 8 mm, 45 F.

Auxiliary heat for storage system in winter and for operating
cooling system in summer: electric heaters.

(U-465)