Murthy, A.
, Tsai, B.
and Saunders, R.
(2001),
Transfer Calibration Validation Tests on a Heat Flux Sensor in the 51 mm High-Temperature Blackbody, Journal of Research (NIST JRES), National Institute of Standards and Technology, Gaithersburg, MD
(Accessed July 19, 2024)
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Transfer Calibration Validation Tests on a Heat Flux Sensor in the 51 mm High-Temperature Blackbody
Published
Author(s)
A V. Murthy, ,
Abstract
Facilities and techniques to characterize heat flux sensors are under development at the National Institute of Standards and Technology. As a part of this effort, a large aperture high-temperature blackbody was commissioned recently. The graphite tube blackbody, heated electrically, has a cavity diameter of 51 mm and can operate up to a maximum temperature of 2773 K. A closed-loop cooling system using a water-to-water heat exchanger cools electrodes and the outer reflecting shield. This paper describes the newly developed blackbody facility and the validation tests conducted using a reference standard Schmidt-Boelter heat flux sensor. The transfer calibration results obtained on the Schmidt-Boelter sensor agreed with the previous data within the experimental uncertainty limits.Citation
Journal of Research (NIST JRES) -
Volume
106 No. 5
NIST Pub Series
Pub Type
NIST Pubs
Keywords
black bodies, heat flux, sensors, thermal radiation, transfer calibration
Citation
Issues
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Created September 30, 2001, Updated October 12, 2021