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Development of marketable solar assisted heat pumps. Phase II. Summary report, technical results

Description: A water source heat pump has been designed that is capable of operating over the range from 40 to 110/sup 0/F entering water temperature and has a heating coefficient of performance greater than six in the upper portion of this range. A computerized heat pump balance program was written to allow the performance of either a water-to-water or a water-to-air heat pump to be predicted in either the heating or cooling mode. A detailed program description, flow charts, and sample outputs are appended… more
Date: February 20, 1981
Creator: Hundt, R. & Heard, S.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Block V solar cell module: design and test specification for intermediate-load applications, 1981

Description: The requirements for the design and test of terrestrial solar cell modules for one phase of DOE's Low-Cost Solar Array Project are presented. Intermediate-load modules designed to meet this specification will generally have the following design features and characteristics: (1) nominal operating voltage (V/sub no/) between 5 Vdc and 20 Vdc; (2) ability to be series-connected to worst-case open-circuit voltages of 1000 Vdc; (3) dimensions not exceeding 1.22 m x 2.44 m (4 ft x 8 ft); (4) flat-pla… more
Date: February 20, 1981
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Position sensitive counter development at the linac

Description: In a novel application of the multiwire proportional counter we have imaged a collimated neutron beam. Although preliminary, the results are of sufficient import to be described here because of the potential wide application of the multiwire proportional counter to Laboratory problems. The counter was operated with a counting gas pressure of 20 Torr; the counting gas was pure C/sub 4/H/sub 10/. The radiator was a /sup 235/U foil. Under these conditions, the counter is (1) relatively insensitive… more
Date: May 20, 1981
Creator: Becker, J. A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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