OS7-06 高湿分空気利用ガスタービン及びプラント加湿装置過渡応答特性の評価(OS7 高温・高效率・発電・エネルギー貯蔵技術)

概要

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The dynamic characteristics of a humidification tower used for the AHAT (Advanced Humid Air Turbine) system were studied. This paper shows the architecture of the humidification tower dynamics model based on simultaneous differential equations considering thermal and material equilibrium of humid-air, feeding water, vessel material, and packing materials. The paper also compares the calculated values to the experimental values obtained from laboratory-scale experiments. The calculation error margin was 1.9 degrees for air outlet temperature and 5.7% for air outlet absolute humidity. The dynamical calculation was applied for AHAT demonstration plant The maximum change rate of absolute humidity at the humidification tower exit for started-up and/or termination was expected to be 8.6%/sec for 30seconds.
2005-06-28