License: Freeware
Downloads: 90
Op. System: Windows All
Last updated: 15-10-2012
File size: 755 KB
Publisher: Synei

Publisher description for Specair

Specair program icon

Specair is available on this website in a version. If you have and earlier version and want to continue using Specair. Specair is a program for modeling the absolute intensity spectral radiation emitted by gases and plasmas of various compositions.Main features:-Compare spectraSpecair comes with an intuitive user interface that easily lets you compare and manipulate calculated and imported spectra.-Define your own slit functionSpecair lets you use either a trapezoidal slit function (note that a gaussian slit function has practically the same shape as a triangle of the same Full Width at Half Maximum), or your own slit function. The slit function enables one to reproduce the apparatus slit function of a given experiment.-Radiating Species modeledC, C2, CN, CO, N, N2, N2 , NH, NO, O, 02, OH-TemperaturesSpecair lets the user choose translational, electronic, vibrational and rotational temperatures individually. The code then uses Boltzmann distributions at the electronic, vibrational, and rotational temperature to determine the population of the internal energy levels.-TransitionsAtomic lines: N, O, CO2: Schumann-Runge band systemNO: beta, gamma, delta, epsilon, beta prime, gamma prime, X-XN2: First (1 ) and second positive (2 ) systemsN2 : First negative (1-), MeinelOH: A-X, X-XNH: A-XC2: SwanCN: Red, VioletCO: Fourth positive (4 ), X-X.-Room air absorbersSpecair lets you take into account the effect of absorption by room air between the emitting gas or plasma and the detector. Important absorbing species in room temperature air at normal temperature and pressure are H20 and CO2 in the infrared and O2 (O2 Schuman-Runge continuum below 185 nm).

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