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某中速船用柴油机低NOx排放模拟研究

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Indexed by:期刊论文

Date of Publication:2009-11-28

Journal:柴油机

Volume:31

Issue:6

Page Number:6-11

ISSN No.:1001-4357

Key Words:中速船用柴油机;NOx排放;AVL BOOST;模拟

Abstract:通过在中速船用柴油机喷油泵柱塞套上开设调压孔,以实现降低NOx排放的靴型喷油规律.以某中速大功率船用柴油机为原型,对比三种喷油规律,采用AVL BOOST软件对柴油机的推进特性的E3循环进行了模拟研究.结果表明:在油耗增加和功率下降都不超过3%的条件下,单独采用调压孔式柱塞喷油Boot2系统可使加权NOx排放值下降17%;采用调压孔式柱塞Boot2喷油系统及可变喷油正时技术可使加权NOx排放值下降35%.

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