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Search Publications by: Boris Wilthan (Assoc)

Displaying 26 - 29 of 29

Extension of the NIST spectral responsivity scale to the infrared using improved-NEP pyroelectric detectors

June 2, 2009

Author(s)

George P. Eppeldauer, Jinan Zeng, Howard W. Yoon, Boris Wilthan, Thomas C. Larason, Leonard M. Hanssen

Routine NIST spectral responsivity calibrations are needed for the infrared range. Low NEP pyroelectric radiometers have been developed for traditional monochromator applications to extend the responsivity scale to the infrared. After NEP tests, the best

Thermal Performance of Fire Resistive Materials III. Fire Test on a Bare Steel Column

April 1, 2009

Author(s)

Dale P. Bentz, Leonard M. Hanssen, Boris Wilthan

This report is part III in an ongoing series concerning the characterization and modeling of the thermal performance of fire resistive materials (FRMs). In part I, a methodology for characterizing FRMs to provide quantitative material property inputs for