ISO 20816-4:2018-06

Mechanical vibration - Measurement and evaluation of machine vibration - Part 4: Gas turbines in excess of 3 MW, with fluid-film bearings

German title: Mechanische Schwingungen - Messung und Bewertung der Schwingungen von Maschinen - Teil 4: Gasturbinen über 3 MW mit Gleitlagern
Publication date: 2018-06
Original language: English
Pages: 21

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Content

Content (en)

Foreword
Introduction
Scope
Normative references
Terms and definitions
Measurement procedures
- General
- Measurements of vibration of non-rotating parts
- Measurements of vibration of rotating shafts
Evaluation criteria
- General
- Criterion I: vibration magnitude
  - General
  - Vibration magnitude at rated speed under steady-state operating conditions
  - Operational limits for steady-state operation
  - Vibration magnitude during non-steady-state conditions (transient operation)
- Criterion II: change in vibration magnitude under steady-state conditions at rated speed
- Supplementary procedures/criteria
- Evaluation based on vibration vector information
Evaluation zone boundaries for vibration of non-rotating parts (normative)
Evaluation zone boundaries for vibration of rotating shafts (normative)
Example of setting ALARM and TRIP values (informative)
Cautionary notes about the use of vibration velocity criteria at low rotational speeds (informative)
Evaluation zone boundary limits and bearing clearance (informative)
Bibliography

ICS

17.160, 27.040

Replacement amendments

Cooperation at DIN

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