A modified theory for electrostatic probe measurements of particle mass flows in dense gas‐solid suspensions

1992 ◽  
Vol 72 (5) ◽  
pp. 2060-2062 ◽  
Author(s):  
C. Zhu ◽  
S. L. Soo
2014 ◽  
Vol 80 (6) ◽  
pp. 833-841 ◽  
Author(s):  
K. Ouaras ◽  
L. Colina Delacqua ◽  
G. Lombardi ◽  
J. Röpcke ◽  
M. Wartel ◽  
...  

The formation of carbon nanoparticles in low pressure magnetized H2/CH4and H2/C2H2plasmas is investigated using infrared quantum cascade laser absorption, mass spectrometry, and electrostatic probe measurements. Results showed that dust formation is correlated to the presence of a significant amount of large positively charged hydrocarbon ions. Large negative ions or neutral hydrocarbon were not observed. These results, along with a qualitative comparison of diffusion and reaction characteristic, suggest that a positive ion may contribute to the growth of nanoparticles in hydrocarbon magnetized plasmas.


1993 ◽  
Vol 36 (4) ◽  
pp. 682-687 ◽  
Author(s):  
Junichi Furukawa ◽  
Kaoru Maruta ◽  
Tomohiro Nakamura ◽  
Tsutomu Gomi ◽  
Toshisuke Hirano

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