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Characterization of a supercharger as boosting & turbo-expansion device in sequential multi-stage systems

机译:增压器在顺序多级系统中作为增压和涡轮膨胀装置的特性

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摘要

This paper proposes a detailed performance analysis and experimental characterization of a highpressure supercharger in a multi-stage boosting system (turbo-super arrangement). Intact, besides the technical challenges associated with achieving adequate tuning, interoperability and driveability of multi-stage boosting systems, another challenge lies in their performance prediction during engine design. Indeed, performance maps of single boosting systems are usually provided by manufacturers and used as look-up tables in 1-D engine models. Tests are usually conducted in a standalone mode, with no information provided on the behaviour and performance of the combination of more than one boosting device.
机译:本文提出了在多级增压系统(涡轮增压系统)中高压增压器的详细性能分析和实验特性。完好无损,除了与实现多级助力系统的适当调整,互操作性和可驾驶性相关的技术挑战外,另一个挑战在于在发动机设计过程中对其性能进行预测。实际上,单个助力系统的性能图通常由制造商提供,并用作一维引擎模型中的查找表。测试通常以独立模式进行,没有提供有关多于一个增强设备组合的行为和性能的信息。

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