| 试验确定发动机转动惯量的一种新方法 |
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| 引用本文： | 于明进,程勇,吴波,张立梅.试验确定发动机转动惯量的一种新方法[J].农业机械学报,2005,36(6):34-37. |
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| 作者姓名： | 于明进 程勇 吴波 张立梅 |
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| 作者单位： | 山东大学动力工程学院 |
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| 摘 要： | 提出了一种确定发动机转动惯量的方法——空载加速减速法，它是在发动机空载加速和停油减速过程中，测出发动机的瞬时转速以及气缸压力，推算得出转动惯量。在185型柴油机上进行的试验结果表明，该方法误差在2％以下。根据实测结果，对影响该方法精度的因素进行了讨论，提出了改进措施。
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| 关 键 词： | 发动机 转动惯量 空载加速减速法 瞬时转速 气缸压力 |
| 修稿时间： | 2004年1月7日 |
New Method for Estimating the Inertia Moment of an Engine |
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| Yu Mingjin,Cheng Yong,Wu Bo,Zhang Limei.New Method for Estimating the Inertia Moment of an Engine[J].Transactions of the Chinese Society of Agricultural Machinery,2005,36(6):34-37. |
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| Authors: | Yu Mingjin Cheng Yong Wu Bo Zhang Limei |
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| Institution: | 1.Shandong Jiaotong University 2.Shandong University |
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| Abstract: | A new method for determining the inertia moment of moving parts of engine was proposed, which was defined as accelerating-decelerating method under no-load. It deduced the inertia moment of an engine by means of measured transient rotational speed and cylinder pressure during the accelerating process under no-load and the decelerating process for fuel was being cut off. This method was experimented at a model 185 Diesel. The experimental results indicated that its accuracy is within 2%. The factors that influence measurement accuracy of the method were discussed and some improvements were proposed. |
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| Keywords: | Engines Inertia moment Rotational speed |
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