SEDL / STP / STP544-EB / STP34778S

Robinson Line-Heat-Source Guarded Hot Plate Apparatus

Hahn, MH
Research associate, Project SIGHTS—Insulating Glass Project of ASTM Committee E-6 on Performance of Building Constructions, American Society for Testing and Materials, Philadelphia, Pa.

Robinson, HE
National Bureau of Standards, Washington, D.C.,

Flynn, DR
National Bureau of Standards, Washington, D.C.,

Pages: 26    Published: Jan 1974

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Abstract

This paper presents a description of the line-heat-source guarded hot plate apparatus conceived by the late H. E. Robinson, the results of mathematical analyses of potential sources of uncertainty, and the design of an apparatus of this type being constructed at the National Bureau of Standards. This design utilizes a line source heater, from which heat diffuses laterally in the plate. Such a design does not produce a wholly uniform plate temperature, but does enable calculation of average plate surface, and edge, temperatures utilizing only a few temperature sensors.