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首页> 外文会议>EAEC European automotive congress >EXPERIMENTAL METHODOLOGIES FOR A COMPREHENSIVE CHARACTERIZATION OF AUTOMOTIVE TURBOCHARGERS
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EXPERIMENTAL METHODOLOGIES FOR A COMPREHENSIVE CHARACTERIZATION OF AUTOMOTIVE TURBOCHARGERS

机译：汽车涡轮增压器全面表征的实验方法

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In the present paper are presented a set of experimental methodologies that allows for characterizing the main aspects necessary to proper modeling energy flows transfer in turbochargers in both design and off-design conditions. With respect to the compressor side the main off-design issue while boosting to an internal combustion engine is surge. Specific techniques for surge detection at on engine conditions with real engine installation will be described in this paper. Concerning the turbine, the three main variables necessary to model off-design performance are: turbine efficiency at off-design conditions; mechanical efficiency and heat flows within the turbocharger. The methodologies proposed in this paper provide these variables based in a combination of adiabatic and non-adiabatic tests in a gas-stand for turbochargers once have been previously determined the thermal conductances of the turbocharger materials. The conclusion of the paper offers an example of the obtained results with respect to turbine efficiency for a turbocharger characterized following proposed methodologies.
机译：在本文中，呈现了一组实验方法，其允许表征在设计和非设计条件下适当建模能量流动在涡轮增压器中转移的主要方面。关于压缩机侧的主机侧，在提升到内燃机的同时是浪涌的。本文将描述具有真实发动机安装的发动机条件上的浪涌检测的具体技术。关于涡轮机，模拟非设计性能所需的三个主要变量是：涡轮机效率在非设计条件下;涡轮增压器内的机械效率和热流。本文所提出的方法提供了基于涡轮增压器的气体支架中的绝热和非绝热试验的组合提供了这些变量，一旦先前确定了涡轮增压器材料的热导率。本文的结论提供了相对于涡轮增压器的涡轮机效率所获得的结果的示例，其特征在于提出的方法。

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