| 内燃机车冷却系统技术改造与研究 |
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| 引用本文： | 马龙,余敏,刘亚. 内燃机车冷却系统技术改造与研究[J]. 上海理工大学学报, 2011, 33(4) |
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| 作者姓名： | 马龙 余敏 刘亚 |
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| 作者单位： | 上海理工大学能源与动力工程学院,上海,200093 |
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| 基金项目： | 国家自然科学基金重点资助项目(50636050); 上海市重点学科建设资助项目(J50501) |
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| 摘 要： | 针对现有内燃机车冷却系统在特殊工况下散热能力不足的问题,在不改变原有冷却系统的基础上增加附加换热器,经计算分析得出满足换热能力和空间尺寸条件的最优参数.并针对主换热器的不同出水水温,分析了要保证内燃机进口水温相对稳定需进入附加换热器的水流量及该水温与水流量的关系曲线.新系统在具有线性特性的温控阀控制下,可实现根据附加换热器进水温度对其进水流量的自动调节,确保内燃机车的安全平稳运行.
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| 关 键 词： | 内燃机车 冷却系统 附加换热器 进水温度 水流量控制 |
Technology for diesel locomotives cooling system |
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| MA Long,YU Min and LIU Ya. Technology for diesel locomotives cooling system[J]. Journal of University of Shanghai For Science and Technology, 2011, 33(4) |
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| Authors: | MA Long YU Min LIU Ya |
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| Affiliation: | MA Long,YU Min,LIU Ya(School of Energy and Power Engineering,University of Shanghai for Science and Technology,Shanghai 200093,China) |
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| Abstract: | Based on the original cooling system,an additional heat exchanger was added to solve the problem that the diesel locomotives cooling system cannot spread out enough heat amount under special conditions.By calculation and analysis,the optimal parameters of the additional heat exchanger satisfying the requirement of heat transfer ability and spatial sizes were provided.To ensure the stability of water inlet temperature of combustion engine,the needed water inlet flow of the additional heat exchanger was analy... |
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| Keywords: | diesel locomotive cooling system additional heat exchanger water inlet temperature water flow control |
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