Understanding of cluster size deviation by measuring the dimensions of cluster jet from conical nozzles
Author(s) -
Guanglong Chen,
Xiaotao Geng,
Hongxia Xu,
Yiming Mi,
Xiuli Zhang,
Lili Wang,
Dong Eon Kim
Publication year - 2013
Publication title -
aip advances
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.421
H-Index - 58
ISSN - 2158-3226
DOI - 10.1063/1.4796187
Subject(s) - nozzle , conical surface , cluster (spacecraft) , jet (fluid) , dimension (graph theory) , standard deviation , scaling , physics , mechanics , materials science , mathematics , statistics , geometry , computer science , thermodynamics , pure mathematics , programming language
This work aims to understand the cluster size deviation from the prediction by an existing scaling law for conical nozzles. The dimensions of cluster jet at different heights above a nozzle along the direction of gas flow are measured. This study indicates that the dimension of cluster jet is underestimated in the existing scaling law and this under-estimation leads to the over-estimation of the equivalent diameter of conical nozzle. Thus the underestimation of the dimension of cluster jet may be one of possible factors responsible for the cluster size deviation (the degree of the deviation depends on details of cluster jet)
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