Axial Compressor as eBooster for charging an Ultra-Lean-Burn Hydrogen Combustion Engine

Research output: Chapter in book/report/conference proceeding › Conference contribution › Research › peer review

Authors

  • Yannik Schulz
  • Joerg R. Seume
  • Lukas Sagan
  • Peter Eilts

Research Organisations

External Research Organisations

  • Technische Universität Braunschweig
View graph of relations

Details

Original languageEnglish
Title of host publicationProceedings of Global Power & Propulsion Society
Number of pages12
Publication statusPublished - 19 Oct 2023

Abstract

<jats:p>Hydrogen as a fuel in spark-ignition combustion engines provides an opportunity for using an ultra-lean-burn combustion strategy. This combustion concept has the advantage of ensuring a high thermal efficiency as well as ultra-low NOx emissions at the same time. This makes it an interesting concept, especially in the field of commercial vehicles. Providing these high pressure ratios while guaranteeing an acceptable boost pressure is challenging for charging systems. In order to face these requirements, an axial compressor eBooster stage is developed. The eBooster concept extends the operating range of a single-stage turbocharger. Otherwise, a complex and cost intensive two-stage configuration would be needed. The compressor is designed to operate for mass flow rates of 0.4 to 0.8 kg/s and total pressure ratios of up to 1.72. When operating the eBooster stage, the centrifugal compressor performance map is shifted towards higher mass flow rates by means of pre-compression. The compressor developed shows a peak isentropic efficiency of 82.8 % with high efficiencies (>78 %) for the whole operating range.</jats:p>

Cite this

Axial Compressor as eBooster for charging an Ultra-Lean-Burn Hydrogen Combustion Engine. / Schulz, Yannik; Seume, Joerg R.; Sagan, Lukas et al.
Proceedings of Global Power & Propulsion Society. 2023.

Research output: Chapter in book/report/conference proceeding › Conference contribution › Research › peer review

Schulz, Y, Seume, JR, Sagan, L & Eilts, P 2023, Axial Compressor as eBooster for charging an Ultra-Lean-Burn Hydrogen Combustion Engine. in Proceedings of Global Power & Propulsion Society. https://doi.org/10.33737/gpps23-tc-056
Schulz, Y., Seume, J. R., Sagan, L., & Eilts, P. (2023). Axial Compressor as eBooster for charging an Ultra-Lean-Burn Hydrogen Combustion Engine. In Proceedings of Global Power & Propulsion Society https://doi.org/10.33737/gpps23-tc-056
Schulz Y, Seume JR, Sagan L, Eilts P. Axial Compressor as eBooster for charging an Ultra-Lean-Burn Hydrogen Combustion Engine. In Proceedings of Global Power & Propulsion Society. 2023 doi: 10.33737/gpps23-tc-056
Schulz, Yannik ; Seume, Joerg R. ; Sagan, Lukas et al. / Axial Compressor as eBooster for charging an Ultra-Lean-Burn Hydrogen Combustion Engine. Proceedings of Global Power & Propulsion Society. 2023.
Download
@inproceedings{4cbcd9ea8c4843859456144e4649c354,
title = "Axial Compressor as eBooster for charging an Ultra-Lean-Burn Hydrogen Combustion Engine",
abstract = "Hydrogen as a fuel in spark-ignition combustion engines provides an opportunity for using an ultra-lean-burn combustion strategy. This combustion concept has the advantage of ensuring a high thermal efficiency as well as ultra-low NOx emissions at the same time. This makes it an interesting concept, especially in the field of commercial vehicles. Providing these high pressure ratios while guaranteeing an acceptable boost pressure is challenging for charging systems. In order to face these requirements, an axial compressor eBooster stage is developed. The eBooster concept extends the operating range of a single-stage turbocharger. Otherwise, a complex and cost intensive two-stage configuration would be needed. The compressor is designed to operate for mass flow rates of 0.4 to 0.8 kg/s and total pressure ratios of up to 1.72. When operating the eBooster stage, the centrifugal compressor performance map is shifted towards higher mass flow rates by means of pre-compression. The compressor developed shows a peak isentropic efficiency of 82.8 % with high efficiencies (>78 %) for the whole operating range.",
author = "Yannik Schulz and Seume, {Joerg R.} and Lukas Sagan and Peter Eilts",
year = "2023",
month = oct,
day = "19",
doi = "10.33737/gpps23-tc-056",
language = "English",
booktitle = "Proceedings of Global Power & Propulsion Society",

}

Download

TY - GEN

T1 - Axial Compressor as eBooster for charging an Ultra-Lean-Burn Hydrogen Combustion Engine

AU - Schulz, Yannik

AU - Seume, Joerg R.

AU - Sagan, Lukas

AU - Eilts, Peter

PY - 2023/10/19

Y1 - 2023/10/19

N2 - Hydrogen as a fuel in spark-ignition combustion engines provides an opportunity for using an ultra-lean-burn combustion strategy. This combustion concept has the advantage of ensuring a high thermal efficiency as well as ultra-low NOx emissions at the same time. This makes it an interesting concept, especially in the field of commercial vehicles. Providing these high pressure ratios while guaranteeing an acceptable boost pressure is challenging for charging systems. In order to face these requirements, an axial compressor eBooster stage is developed. The eBooster concept extends the operating range of a single-stage turbocharger. Otherwise, a complex and cost intensive two-stage configuration would be needed. The compressor is designed to operate for mass flow rates of 0.4 to 0.8 kg/s and total pressure ratios of up to 1.72. When operating the eBooster stage, the centrifugal compressor performance map is shifted towards higher mass flow rates by means of pre-compression. The compressor developed shows a peak isentropic efficiency of 82.8 % with high efficiencies (>78 %) for the whole operating range.

AB - Hydrogen as a fuel in spark-ignition combustion engines provides an opportunity for using an ultra-lean-burn combustion strategy. This combustion concept has the advantage of ensuring a high thermal efficiency as well as ultra-low NOx emissions at the same time. This makes it an interesting concept, especially in the field of commercial vehicles. Providing these high pressure ratios while guaranteeing an acceptable boost pressure is challenging for charging systems. In order to face these requirements, an axial compressor eBooster stage is developed. The eBooster concept extends the operating range of a single-stage turbocharger. Otherwise, a complex and cost intensive two-stage configuration would be needed. The compressor is designed to operate for mass flow rates of 0.4 to 0.8 kg/s and total pressure ratios of up to 1.72. When operating the eBooster stage, the centrifugal compressor performance map is shifted towards higher mass flow rates by means of pre-compression. The compressor developed shows a peak isentropic efficiency of 82.8 % with high efficiencies (>78 %) for the whole operating range.

U2 - 10.33737/gpps23-tc-056

DO - 10.33737/gpps23-tc-056

M3 - Conference contribution

BT - Proceedings of Global Power & Propulsion Society

ER -