| 瞬态气体射流中速度和浓度同步测量系统的研究 |
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| 引用本文： | 史绍熙,苏万华.瞬态气体射流中速度和浓度同步测量系统的研究[J].内燃机学报,1996,14(3):257-263. |
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| 作者姓名： | 史绍熙 苏万华 |
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| 作者单位： | 天津大学 |
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| 摘 要： | 为了进行直喷式柴油机喷雾混合过程中湍流参数与燃空混合率的相关关系的研究，本文开发了一套用于瞬志气体射流速度浓度同步测量的测试系统，研制了一种新型速度浓度同步采样探头，阐述了该探头的结构、原理和标定方法，讨论了影响探头分辨率和信噪比的有关因素。本文还给出了使用该测试系统在直喷式柴油机喷雾混合过程的气体模拟研究中得到的一组典型结果。
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| 关 键 词： | 射流，气体模拟，速度和浓度同步测量 |
An Investigation on the Simultaneous Measurement System for Velocity and Concentration in Transient Gas Jets |
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| Shi Shaoxi, Su Wanhua, Lin Rongwen, Zhou Haidong, Xie Hui.An Investigation on the Simultaneous Measurement System for Velocity and Concentration in Transient Gas Jets[J].Transactions of Csice,1996,14(3):257-263. |
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| Authors: | Shi Shaoxi Su Wanhua Lin Rongwen Zhou Haidong Xie Hui |
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| Affiliation: | Tiartjin University |
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| Abstract: | In order to study the correlation between turbulence parameters and air/fuel mixing rate of apulse gas jet, a simultaneous measuring system of velocity and concentration is developed. Thestructure, the principle and the calibration of the probe are described and the factors influencingthe resolution power and signal-noise ratio of the system are also discussed in detail. Some typicalresults of a study on the mixing process in a diesel engine by gas jet simulation using this measuring system are reported. |
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| Keywords: | Jet Gaseous simulation Simultaneous measurement of velocity and concentration |
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