Experiments on aerosol removal by high-pressure water spray

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• 作者：Ada del Corno^a ; ^{delcorno@rse-web.it} ; Sonia Morandi^a ; ^{morandi@rse-web.it} ; Flavio Parozzi^a ; ^{parozzi@rse-web.it} ; Lucio Araneo^b ; ^c ; ^{lucio.araneo@polimi.it} ; Francesco Casella^b ; ^{francesco2.casella@mail.polimi.it}
• 关键词：N. Experiments
• 刊名：Nuclear Engineering and Design
• 出版年：2017
• 出版时间：January 2017
• 年：2017
• 卷：311
• 期：Complete
• 页码：28-34
• 全文大小：1140 K
• 卷排序：311

文摘

Experimental research to measure the efficiency of high-pressure sprays in capturing aerosols if applied to a filtered containment venting system in case of severe accident. Cloud of monodispersed SiO2 particles with sizes 0.5 or 1.0 μm and initial concentration in the range 2–90 mg/m3. Carried out in a chamber 0.5 × 1.0 m and 1.5 m high, with transparent walls equipped with a high pressure water spray with single nozzle. Respect to low-pressure sprays, removal efficiency turned out significant: the half-life for 1 μm particles with a removal high-pressure spray system is orders of magnitude shorter than that with a low-pressure sprays system.