| Study: |
Study 21: Full scale.
Robinson, S
(2010)
Marine Aggregate Levy Sustainability Fund (MALSF)
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| Name: | City of London |
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| Type: | Dredger |
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| Overall length (m): | 99.9 |
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| Beam (m): | 17.35 |
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| Draught (m): | 6.31 |
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| Acoustic centre source depth (m): | UNSPECIFIED |
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| Propulsor type: | Propeller |
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| Propeller diameter (m): | UNSPECIFIED |
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| Design speed of vessel (kn): | 12 |
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| Year constructed: | 1990 |
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| Displacement tonnage (tonnes): | UNSPECIFIED |
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| Hull type: | Monohull |
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| Number of shafts: | 2 |
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| Propeller fixed or controllable pitch: | UNSPECIFIED |
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| Number of blades: | UNSPECIFIED |
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| Rated engine power (kW): | 4080 |
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| Known issues that may affect underwater noise levels: | Vessel was carrying out dredging operations during measurements |
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| Gearbox ratio: | UNSPECIFIED |
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| Engine RPM at design speed: | UNSPECIFIED |
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| Propeller RPM at design speed: | UNSPECIFIED |
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|
Acquisitions
Download: source spreadsheet XSLX (117kB) (License UNSPECIFIED)
| Vessel SOG (kn): | 0 |
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| Vessel SOW (kn): | 0 |
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| Actual CPA: | 50 |
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| Data window length: | 30 |
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| Towing/flow speed (m/s) (scale only): | 0 |
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| Engine speed (RPM): | 0 |
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| Propeller speed (RPM): | 0 |
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| Download: | CSV (459B) (License UNSPECIFIED) |
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| Hydrophone depths (m): | 32, 32, 32, 18, 18, 18 |
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| Pitch angle/setting (if applicable): | 0 |
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| Cavitation type (if known): | Unknown |
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| Data presented: | Monopole source level |
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| Reported values: | 1/3 octave bands |
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| Data averaging: | All runs, multiple receivers |
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| Measurement aspect: | Both |
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| Overall broadband sound pressure level: | 0 |
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