Abstract
A basic consideration on the mechanism of ion sheath formation was made, and the Child-Langmuir space charge equation was used to calculate the Ion Current-Voltage Characteristics of an electrostatic probe as well as the theoretical value of the β which was defined as the gradient of the scivare of the ion current with probe potential. (1) A nomogram based upon the estimated theoretical value of β is presented for the rapid and accurate determination of plasma parameters from the usual-Triple-Probe datas in which β=0 is assumed.Experimental confirmations were made through the measurements of some stationary plasmas, and the advantage of the nomogram has been verified.
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