Numerical Simulation and Experimental Study of Thermal and GasDynamic Processes in BarrierDischarge Coaxial Excilamps

Numerical simulation of thermal and gasdynami c processes in barrierdischarge coaxial excil� amps is performed, and the conditions of its application are justified. The calculation results are compared with the results of experiments in which the dynamics of heating of a barrierdischarge KrClexcilamp is investigated for the mixtures of Kr : Cl2 = (400-50) : 1 at a total pressure of 100 to 300 Torr. The comparison showed that the selected method and the assumptions made in the calculation model could be applied in practice. Practically important predictions are made about the operating modes of excilamps to ensure their long service life.