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首页> 外文期刊>Experimental Thermal and Fluid Science: International Journal of Experimental Heat Transfer, Thermodynamics, and Fluid Mechanics >Turbine adapted maps for turbocharger engine matching
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Turbine adapted maps for turbocharger engine matching

机译：涡轮适配的地图，用于涡轮增压器发动机匹配

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摘要

This paper presents a new representation of the turbine performance maps oriented for turbocharger characterization. The aim of this plot is to provide a more compact and suited form to implement in engine simulation models and to interpolate data from turbocharger test bench.The new map is based on the use of conservative parameters as turbocharger power and turbine mass flow to describe the turbine performance in all VGT positions. The curves obtained are accurately fitted with quadratic polynomials and simple interpolation techniques give reliable results.Two turbochargers characterized in an steady flow rig were used for illustrating the representation. After being implemented in a turbocharger submodel, the results obtained with the model have been compared with success against turbine performance evaluated in engine tests cells. A practical application in turbocharger matching is also provided to show how this new map can be directly employed in engine design.
机译：本文提出了面向涡轮增压器表征的涡轮性能图的新表示形式。该图的目的是提供一种更紧凑，更合适的形式，以在发动机仿真模型中实现并从涡轮增压器测试台中插值数据。新图基于保守的参数（如涡轮增压器功率和涡轮质量流量）来描述所有VGT位置的涡轮性能。所获得的曲线准确地拟合了二次多项式，并且简单的插值技术给出了可靠的结果。两个涡轮增压器以稳定的流动装置为特征，用于说明该表示。在涡轮增压器子模型中实施后，将通过模型获得的结果与成功与在发动机测试单元中评估的涡轮性能进行了比较。还提供了涡轮增压器匹配的实际应用，以显示如何将此新图直接用于发动机设计。

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