Reciprocating internal combustion engines. Performance. Part 5. Torsional vibrations

This document specifies the methods for determining the torsional vibration characteristics of reciprocating internal combustion engines. It covers the measurement and evaluation of torsional vibrations caused by the engine's operation, including the determination of torsional stiffness, damping, and natural frequencies. The standard provides guidelines for the design and testing of engine components to ensure they can withstand the vibrational loads generated during operation. It also outlines the procedures for measuring and analyzing torsional vibrations using appropriate instrumentation and techniques. The information presented is intended to support the development and application of internal combustion engines in various industrial and transportation applications. This standard is part of a series that addresses different aspects of engine performance and reliability.