![](/assets/images/picto-drapeau-france-3a76576a5d60a512053b4612ab58dae5.png)
6. Conclusion
This paper provides a non-exhaustive overview of the key parameters to be taken into account in the early stages of internal combustion engine development. The central position occupied by the choice of crankstar has been explained, using the 16-cylinder V-type engine as an example. The impact of this choice is directly reflected in engine dynamics and therefore performance, via a number of aspects, such as firing order, balancing of forces and mass moments, etc. For some critical situations, and depending on the progress of the project, technical solutions were also proposed.
For a final assessment of the potential candidates resulting from this first crankstar pre-selection phase and the associated ignition sequences, more detailed simulations will be required. Multi-body simulations followed by crankshaft fatigue calculations, engine block vibration level assessment...
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Conclusion
Bibliography
Events
Aachen Colloquium on Automobile and Engine Technology http://www.aachener-kolloquium.de/en/
Torsional Vibration Symposium http://torsional-vibration-symposium.com/
Patents
Patent 1 – Combined Axial- and Torsional- vibration damper, Lutz Janner, EP1288527 B8, 24 August 2001.
Patent 2 – V16 Crankstar and firing sequences, Béchir Mokdad, German Patent Office, 10 2017 000778.0.
Patent 3 – V-type 4-stroke internal combustion engine with 20 cylinders, Béchir Mokdad, Christoph Henninger, German Patent Office, 10 2017 000747.0.
Standards and norms
- ISO Reciprocating internal combustion engine driven alternating current generating sets – Measurement and evaluation of mechanical vibration, first edition - ISO8528-9 - 1995
- ISO Mechanical vibration evaluation of machines vibration by measurements on non-rotating parts – Part 6: Reciprocating machines with power ratings above 100 kW - ISO10816-6 - 1995
- Reciprocating internal combustion engines – Designation...
Directory
MTZ Industrial Magazine. https://www.springerprofessional.de/en/mtz-industrial/6117828
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