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Showing papers on "Photovoltaic thermal hybrid solar collector published in 1968"


Journal ArticleDOI
TL;DR: In this paper, the heat and mass transfer relationship of a solar still in the unsteady state can be solved graphically by means of a characteristic chart, which expresses the various heat fluxes as functions of the cover temperature.

111 citations


Journal ArticleDOI
TL;DR: In this paper, the design of combined solar collection and storage systems for house heating requires careful integration and optimization to minimize unfavorable economics, because the environmental factors are highly variable with time, hourly performance over a season must be considered to accurately assess economic problems.

45 citations


Journal ArticleDOI
TL;DR: In this paper, a study of a solar-energy collector that heats air is described, where the collector is installed in a glass covered box so that air can be pumped past the aluminum fins for heating.

28 citations


Journal ArticleDOI
01 Jan 1968-Nature
TL;DR: In this article, the plutonium-244/xenon and iodine-129/Xenon decay intervals for achondritic meteorites were found to confirm the suggestion that these two extinct radioactivities were synthesized in the galactic nucleosynthesis process.
Abstract: Agreements between the plutonium-244/xenon and iodine-129/xenon decay intervals for achondritic meteorites could confirm the suggestion that these two extinct radioactivities were synthesized in the galactic nucleosynthesis process.

24 citations


Journal ArticleDOI
26 Jan 1968-Science
TL;DR: Solar X-ray data from rocket and satellite-borne equipment, discussing spectrum of quiet corona and active region shows that the corona is more active than previously thought.
Abstract: Solar X-ray data from rocket and satellite-borne equipment, discussing spectrum of quiet corona and active region

19 citations



Patent
19 Dec 1968
TL;DR: In this paper, a plurality of solar cells connected in a number of series paths to form both shaded and illuminated solar batteries, each individual cell of a shaded battery being electrically connected in parallel but in opposite polarity with a corresponding cell of an illuminated solar battery, the p-n junction solar cell of the shaded batteries behaving as a forward biased diode forming a bypass conducting path around the corresponding illuminated cell should it become nonconductive to thereby achieve an uninterrupted generation of electrical current by the remaining illuminated cells of the solar battery containing the nonconducting cell.
Abstract: In a plurality of solar cells connected in a number of series paths to form both shaded and illuminated solar batteries, each individual cell of a shaded battery being electrically connected in parallel but in opposite polarity with a corresponding cell of an illuminated solar battery, the p-n junction solar cell of the shaded battery behaving as a forward biased diode forming a by-pass conducting path around the corresponding illuminated cell should it become non-conductive to thereby achieve an uninterrupted generation of electrical current by the remaining illuminated cells of the solar battery containing the non-conducting cell.

8 citations




Journal ArticleDOI
TL;DR: In this article, the design and performance equations for panel type solar thermoelectric generator, based on single thermocouple as generator unit, are presented, where the generator is equipped with a single generator unit.

5 citations







01 Feb 1968
TL;DR: In this paper, the design and performance of two vacuum chambers and solar-radiation simulators for solar-cell research is described. And two simulators are evaluated in terms of their performance.
Abstract: Design and performance of two vacuum chambers and solar-radiation simulators for solar-cell research


01 Mar 1968
TL;DR: In this paper, the effects of concentrator surface errors and rim angle, collection system orientation error, and receiver temperature on paraboloid solar collector thermal efficiency were analyzed by parametric analysis.
Abstract: Parametric analysis of effects of concentrator surface errors and rim angle, collection system orientation error, and receiver temperature on paraboloid solar collector thermal efficiency