Abstract

A COIL (Chemical Oxygen-Iodine Laser) of 2.2 kW output power has been developed in Korea. The effects of stability and uniformity of the BHP(Basic Hydrogen Peroxide) jet columns on the operation of the COIL are reported. In this paper, the uniform jet speed distribution ofjet SOG (JSOG) in a supersonic COIL is achieved by using the centrifugal pump. And the vane plate in front of BHP jet plate is installed to suppress the turbulent BHP flow generated by the centrifugal pump. The stability and uniformity of BHP jet columns are increased by installing the vane plates. Substantially, the chemical efficiency is increased up to 21 .7 %.

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