| DOI | Resolve DOI: https://doi.org/10.4224/40003652 |
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| Author | Search for: Bird, J.1; Search for: Rudnitski, D.1; Search for: Hastings, W. |
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| Affiliation | - National Research Council Canada. Division of Mechanical Engineering
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| Format | Text, Technical Report |
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| Physical description | 31 p. |
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| Abstract | In situ testing of the PB4 manifold sense line on a CF101 J57-P-55 engine has been carried out. Analysis of accelerometer data from two PB4 lines with two clamping arrangements has been conducted. The engine was run on a sea level test stand at power settings from idle to maximum afterburner. By clamping the line to the accessory gearbox case, fatigue related displacements were reduced by 10-75% depending on the throttle setting, from those found in the present line. The testing of a second line constructed without a bleed plug fitting showed a reduction by 97% from the displacements measured in the present configuration. Clamping of the modified line also resulted in a reduction of the low frequency vibrations at 100-400 Hz by 33-97% from those observed in the standard line alone. Both clamped lines retained resonant frequencies between 100-400 Hz albeit at reduced displacements and may therefore continue to be subject to failure. |
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| Publication date | 1982-11 |
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| Publisher | National Research Council Canada |
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| Series | |
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| Note | The content is temporarily unavailable |
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| Language | English |
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| Peer reviewed | No |
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| Export citation | Export as RIS |
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| Report a correction | Report a correction (opens in a new tab) |
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| Record identifier | 7e799ed2-8758-4509-aab9-29b10792515f |
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| Record created | 2025-08-26 |
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| Record modified | 2025-11-26 |
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