EXPERIMENTAL STUDY OF A RESIDENTIAL SOLAR SYSTEM COUPLED TO A RADIANT PANEL CEILING.
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An experimental study of a solar-radiant heating system was performed at Iowa State University's Energy Research House (ERH). The ERH was constructed with copper tubes embedded in the plaster ceilings, thus providing a unique radiant heating system. In addition, twenty-four water-glycol, flat-plate solar collectors were mounted on the south side of the residence. The present study uses the solar collectors to heat a storage tank via a submerged copper tube coil. Hot water from the storage tank is then circulated through a heat exchanger, which heats the water flowing through the radiant ceiling. This paper contains a description of the solar-radiant system and an interpretation of the data that were measured during a series of transient experiments. A study of this data has led to an understanding of the dynamic characteristics of this system. In addition, the feasibility of heating an enclosure using a radiant-panel heating system supplied by solar energy has been demonstrated.
