p-τ值对COIL的影响的实验研究
Experimental investigation of the influence of p-t on COIL
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摘要: 实验研究了单重态氧发生器（SOG）的p-τ值，即初始氯气分压与停留时间的乘积，对化学氧碘激光器（COIL）的影响，并分析了诸多实验因素对SOG的p-τ值的影响。对于提高COIL的化学效率具有很重要的实际意义。Abstract: p-t of singlet oxygen generator (SOG) was experimentally proved to be a key parameter for the chemical efficiency of the chemical oxygen-iodine laser (COIL). In our small scale COIL device with square pipe-array jet-type SOG and chlorine flowrate of 94mmol/s, experiments revealed the strong dependences of O2(1D ) absolute yield on the p-t of SOG. Here, the O2(1D ) absolute yield is defined as the convertin g efficiency from chlorine. It was shown that the increasing of each unit of p-t led to nearly 10% absolute decreasing of O2(1D ) absolute yield. In our 5# COIL device with stable cavity, it was found the chemical efficiency increased significantly as the p-t decreased. So, for a given COIL device, it is essential to minimize the p-t of SOG as possible. The dependences of the p-t on some
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