ISO 10816-4 PDF

STANDARD. ISO. Second edition. Mechanical vibration — Evaluation of machine vibration by measurements on non-rotating parts —. ISO MECHANICAL VIBRATION – EVALUATION OF MACHINE VIBRATION BY MEASUREMENTS ON NON-ROTATING PARTS – PART 4: GAS. ISO Mechanical vibration – Evaluation of machine vibration by measurements on non-rotating parts – Part 4: Gas turbine sets with fluid-film bearings.

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The vibration criteria provided in this part of ISO apply to heavy-duty gas turbine sets. It should be noted, however, that the vibration of a gas turbine can be influenced by its mounting ixo and coupling arrangement to driven machines. ISO consists of the following parts, under the general title Mechanical vibration — Evaluation of machine vibration by measurements on non-rotating parts: After a period of time, the steady-state baseline value will be established and the ALARM setting should be adjusted accordingly.

Click here to sign up. Machines with vibration within this zone are normally considered acceptable for unrestricted long-term operation.

It also includes any driven equipment not included in the exclusion list below. Shopbop Designer Fashion Isk. Vibration values within this zone are normally considered to be of sufficient severity to cause damage to the machine. It must be recognized, however, that these criteria do not form the only basis for judging the severity of vibration.

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Different operational ALARM settings may then exist for different bearings on the machine, reflecting differences in dynamic loading and bearing support stiffnesses. Measurements at these locations characterize reasonably well the state of vibration. In some cases, these changes would go undetected when using only broad-band vibration measurements see, for example, ISO This part of ISO provides specific guidance for assessing the severity of vibration measured on the bearing housings or pedestals of gas turbine driven sets.

This could be achieved with the aid of a computer.

BS ISO 10816-4:2009+A1:2017

Gas turbine driven sets excluding aircraft derivatives 1 Scope This part of ISO gives specific guidance for assessing the severity of vibration measured on the bearing housings or pedestals of gas turbine driven sets. Explore the Home Gift Guide. Amazon Drive Cloud storage from Amazon. They assume that the measurements are in-situ broad-band values taken under normal steady-state operating conditions.

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The values used will, therefore, generally be the same for all machines of similar design and would not normally be related to the steady-state baseline value used for setting ALARMS. Alternatively, the measured peak vibration values may be divided by 2 and judged against the r. However, these values provide guidelines for ensuring that gross deficiencies or unrealistic requirements are avoided.

Pages with related products. International organizations, governmental and non- governmental, in liaison with ISO, also take part in the work. The vibration of newly commissioned machines would normally fall within this zone. Skip to main content.

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Figure 1 shows typical measurement positions. Learn more about Amazon Prime. Read more Read less. Gas turbine driven sets excluding aircraft derivatives.

In such cases, it is normally necessary for the manufacturer to explain the reasons for this and, in particular, to confirm that the machine will not be endangered by operating with higher vibration values.

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The operational ALARM settings for a new machine for which there is no prior knowledge of bearing vibration is normally set within zone C. This standard is also available to be included in Standards Subscriptions. Add to Alert PDF.

This is consistent with ISO which deals with shaft vibration for the same class of machines. It is therefore necessary to establish separate criteria for these two turbine types.

If the TRIP value is exceeded, immediate action should be 10816- to reduce the vibration or the machine should be shut down. The locations of vibration measurements shall be such that they provide adequate sensitivity to the dynamic forces of the machine but are not unduly influenced by external sources such as combustion vibration, gear mesh vibration, etc.