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DEUTZ is heading forward with the development of the TCG 7.8 H2, a Hydrogen Internal Combustion Engine (HICE) with a displacement of 7.8 liters. An upcoming application will be an HICE-powered hydraulic excavator, which will be developed within a funded project to demonstrate a CO2-neutral construction site. The project is carried out in cooperation with University of Rostock and further partners. With hydraulically driven applications one of the main requirements for good drivability is high dynamic load response and stable combustion with good homogenization. With this intent, several studies have been carried out on a single-cylinder engine (SCE) at the University of Rostock which supports the combustion relevant hardware definition and calibration strategy of TCG 7.8 H2 at DEUTZ. Within the paper a brief overview of the ongoing HICE development activities in the funded project H2-MAM (H2 engine for mobile working machines) will be given. Results from SCE and TCG 7.8 H2 investigation will be shown, and calibration guide lines will be defined based on investigation results. Finally, an outlook of ongoing activities in the H2-MAM project will be given.

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Single-Cylinder- and Multi-Cylinder-Engine Investigation on TCG 7.8 H2—further Development Steps for the Realization of a H2 Engine for NRMM

  • 会议论文

  • 发表日期：

    2025年

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  • Georg Töpfer,
  • Jörg Seibel,
  • Oliver Dingel,
  • Manuel Glauner,
  • Sascha Prehn,
  • Jules Dinwoodie,
  • Bert Buchholz

摘要

DEUTZ is heading forward with the development of the TCG 7.8 H2, a Hydrogen Internal Combustion Engine (HICE) with a displacement of 7.8 liters. An upcoming application will be an HICE-powered hydraulic excavator, which will be developed within a funded project to demonstrate a CO2-neutral construction site. The project is carried out in cooperation with University of Rostock and further partners. With hydraulically driven applications one of the main requirements for good drivability is high dynamic load response and stable combustion with good homogenization. With this intent, several studies have been carried out on a single-cylinder engine (SCE) at the University of Rostock which supports the combustion relevant hardware definition and calibration strategy of TCG 7.8 H2 at DEUTZ. Within the paper a brief overview of the ongoing HICE development activities in the funded project H2-MAM (H2 engine for mobile working machines) will be given. Results from SCE and TCG 7.8 H2 investigation will be shown, and calibration guide lines will be defined based on investigation results. Finally, an outlook of ongoing activities in the H2-MAM project will be given.