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Development of a Methodology for Acoustic Analysis and Optimization of Mechatronic Fuel Injection Systems

  • To identify the sound quality of fuel injection systems as a frontloading measure, a system test bench has been developed that simulates the structure and airborne noise emission. The setup of the system test bench includes an assembly of the acoustical relevant engine parts and an encapsulated drive for the high-pressure pump. A specific control unit enables a high variability for the operation strategy of the injection system. The focus of this study is on the development of a methodology to analyze and optimize the sound quality of gasoline direct injectors in critical operation points by suitable active means. For this, the injection parameters in engine idle have been identified and subsequently transferred to the system test bench. Additionally, the injection parameters have been optimized acoustically and the impacts on the key functions regarding injection rating and shot-to-shot scattering of the injected fuel mass are discussed.

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Metadaten
Author:Christian Mühlbauer, Hans-Peter Rabl, Herrmann Rottengruber
DOI:https://doi.org/10.1007/978-3-658-27669-0_15
ISBN:978-3-658-27668-3
Parent Title (English):Automotive Acoustics Conference 2019: Proceedings, 5. Internationale ATZ-Fachtagung Fahrzeugakustik
Publisher:Springer Vieweg
Place of publication:Wiesbaden
Editor:Wolfgang Siebenpfeiffer
Document Type:conference proceeding (article)
Language:English
Year of first Publication:2020
Release Date:2022/04/11
First Page:211
Last Page:225
Institutes:Fakultät Maschinenbau
Fakultät Maschinenbau / Combustion Engines and Emissions Control Laboratory (CEEC)
Begutachtungsstatus:peer-reviewed
research focus:Energie und Mobilität
Licence (German):Keine Lizenz - Es gilt das deutsche Urheberrecht: § 53 UrhG