Title :
Non-destructive detection of carbon in soot collection filters by using a 94 GHz source
Author :
Shibuya, T. ; Goto, Y. ; Dobroiu, A. ; Otani, C. ; Kawase, K.
Author_Institution :
RIKEN, Sendai
Abstract :
In this paper, we demonstrate a non-destructive detection for the soot which adheres to a soot collection filter by using millimeter waves. We constructed a system that measures the millimeter-wave transmittance, which can be an indicator of the soot density.
Keywords :
Gunn oscillators; Schottky diodes; carbon; engines; filters; filtration; millimetre wave measurement; nondestructive testing; Schottky barrier diode; carbon; engine; gunn-oscillator; millimeter waves transmittance; nondestructive detection; soot collection filters; Computed tomography; Density measurement; Filters; Gunn devices; Internal combustion engines; Millimeter wave communication; Millimeter wave measurements; Millimeter wave technology; Oscillators; Pollution measurement; Gunn-Oscillator; Millimeter waves; Non-destructive detection; Schottky barrier diode;
Conference_Titel :
Infrared and Millimeter Waves, 2007 and the 2007 15th International Conference on Terahertz Electronics. IRMMW-THz. Joint 32nd International Conference on
Conference_Location :
Cardiff
Print_ISBN :
978-1-4244-1438-3
DOI :
10.1109/ICIMW.2007.4516494
