New concept for overcoming the trade-off between thermal efficiency, each loss and exhaust emissions in a heavy duty diesel engine

T Okamoto, N Uchida - SAE International Journal of Engines, 2016 - JSTOR
To overcome the trade-offs of thermal efficiency with energy loss and exhaust emissions
typical of conventional diesel engines, a new diffusion-combustion-based concept with …

A new concept of actively controlled rate of diesel combustion for improving brake thermal efficiency of diesel engines: Part 1—verification of the concept

N Uchida, T Okamoto… - International Journal of …, 2018 - journals.sagepub.com
For further improvement in brake thermal efficiency of diesel engines, not only increase in
indicated work but decrease in energy losses, for example, cooling loss and mechanical …

Development of correlation model for cavitating spray using Eulerian simulations

X Liu, J Guo, HG Im - International Journal of Engine …, 2024 - journals.sagepub.com
Modern high-pressure injection systems for heavy-duty applications are prone to cavitation,
which may have a detrimental effect on the system integrity. The present study aims to …

Computational Study of a multiple fuel injector concept under high-load and High-EGR conditions

R Babayev, G Nyrenstedt, B Johansson - SAE International Journal of …, 2020 - sae.org
A new concept utilizing multiple fuel injectors was proven effective at reducing heat transfer
losses by directing spray plumes further away from the combustion chamber walls. In this …

[图书][B] Untersuchung von Diesel-Einspritzkonzepten unter Berücksichtigung von zukünftigen Anforderungen

KD Frank - 2020 - search.proquest.com
Um die immer neu gesteckten Ziele der positiven Einflussnahme auf die Steigerung der
Leistung, die Reduzierung von Kraftstoffverbrauch, Geräusch-und Schadstoffemissionen zu …

Hydrogen combustion versus diesel isobaric combustion in the double compression-expansion engine

R Babayev - 2020 - repository.kaust.edu.sa
This thesis aims to contribute to the research and development of a new highly efficient split-
cycle engine concept–the double compression-expansion engine (DCEE)–by expanding …

[图书][B] Untersuchungen des Schwingungs-und Geräuschverhaltens des Kurbeltriebs eines Verbrennungsmotors

D Hrdina - 2016 - Springer
Diese Arbeit entstand während meiner Tätigkeit als wissenschaftlicher Mitarbeiter am Institut
für Verbrennungsmotoren und Kraftfahrwesen der Universität Stuttgart. Seitens der …

マルチインジェクタ搭載大型ディーゼルエンジンにおける熱発生率制御の可能性およびエネルギ損失低減に関する研究

岡本毅, 内田登 - 自動車技術会論文集, 2017 - jstage.jst.go.jp
抄録 前報にて, 複数のインジェクタから任意のタイミングで燃料を噴射させることで熱発生率を制御
し, また, 局所当量比が低減できるため NOx とスモークの同時低減が可能であることを示した …

大型ディーゼルエンジンにおける熱効率, エネルギ損失およびエミッション同時改善コンセプト

岡本毅, 内田登 - 自動車技術会論文集, 2016 - jstage.jst.go.jp
抄録 大型単気筒ディーゼルエンジンにおいて, 複数のインジェクタを用いて従来とは異なった混合気
形成を行うことで, 熱発生率制御が可能となった. その結果, 最高筒内圧力および温度が低減でき …