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2. Ignition sequence
2.1 Ignition sequence and crankstar
The second key parameter in multi-cylinder engine architecture is the choice of ignition sequence. The sequence of cylinder ignitions during an engine cycle is a decisive parameter for characterizing the excitation of internal combustion engines. For standard configurations up to 6 cylinders in-line and 12 cylinders V-shaped, the number of possible ignition orders is still reasonable and sufficiently covered in the literature. However, this number increases proportionally with the factorial of the number of cylinders, making the selection of an appropriate ignition order increasingly difficult as the number of cylinders increases. Table 3 summarizes the formulas to be used to determine...
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Ignition sequence
Balancing rotating and reciprocating masses
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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