Abstract
The isothermal dendritic growth apparatus (IDGA) is currently being designed by the Rensselaer Polytechnic Institute in cooperation with the NASA Lewis Research Center. We describe some of the generic features of this apparatus system including precise temperature control, accurate temperature measurement, modular photographic system, and telescience capability. We briefly mention other types of microgravity experiments which could make use of the IDGA facility with only minor modifications to the present design. The IDGA is currently being manifested on the Material Science Laboratory carrier and the United States Materials Laboratory I, as well as being considered for inclusion on the future Space Station. The IDGA can provide a carefully controlled long-duration microgravity environment as provided by the Shuttle orbiter and, ultimately, the Space Station. The intent of this paper is to acquaint researchers with the nature of this facility.
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