高洋，刘艳朝，张双成

（北车（大连）柴油机有限公司,辽宁 大连 116022）

摘要：在8240ZC型柴油机的成熟技术基础之上设计开发了8240ZCDF型柴油-天然气双燃料发动机。本文介绍了8240ZCDF型双燃料发动机的主要技术参数、试验系统以及性能开发试验等内容。试验结果表明，发动机各项性能指标满足设计要求。8240ZCDF型双燃料发动机已完成了中国船级社型式认可试验。

关键词：柴油-天然气；双燃料发动机；开发试验

Abstract：Based on the mature technique of 8240ZC diesel engine, 8240ZCDF diesel-natural gas dual fuel engine was designed. In this thesis, the main technical parameters, the test system and the performance development test, etc of 8240ZCDF dual fuel engine were introduced. The test results show that each performance index meets the design requirements. 8240ZCDF dual fuel engine has finished the series approval test of China Classification Society.

Keywords：Diesel-natural gas; Dual fuel engine; Development test