| Study: |
Study 129: Full scale.
McLanaghan, R
(2011)
MCR International
|
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| Name: | Isle of Lewis |
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| Type: | Ferry |
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| Overall length (m): | 101 |
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| Beam (m): | 18 |
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| Draught (m): | 4.2 |
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| Acoustic centre source depth (m): | UNSPECIFIED |
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| Propulsor type: | UNSPECIFIED |
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| Propeller diameter (m): | UNSPECIFIED |
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| Design speed of vessel (kn): | 16 |
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| Year constructed: | 1995 |
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|
| Displacement tonnage (tonnes): | UNSPECIFIED |
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| Hull type: | Monohull |
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| Number of shafts: | UNSPECIFIED |
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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): | UNSPECIFIED |
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| Known issues that may affect underwater noise levels: | UNSPECIFIED |
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| Gearbox ratio: | UNSPECIFIED |
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| Engine RPM at design speed: | 650 |
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| Propeller RPM at design speed: | UNSPECIFIED |
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|
Acquisitions
Download: source spreadsheet XSLX (128kB) (License Creative Commons: Public Domain Dedication)
| Vessel SOG (kn): | 18 |
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| Vessel SOW (kn): | 0 |
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| Actual CPA: | 70 |
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| Data window length: | 0 |
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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 (22B) (License Creative Commons: Public Domain Dedication) |
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|
| Hydrophone depths (m): | 30 |
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| Pitch angle/setting (if applicable): | 0 |
|---|
| Cavitation type (if known): | Unknown |
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| Data presented: | Dipole/affected source level/radiated noise level |
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| Reported values: | UNSPECIFIED |
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| Data averaging: | No averaging (single run, single receiver) |
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| Measurement aspect: | Unknown |
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| Overall broadband sound pressure level: | 169 |
|---|
|
| Vessel SOG (kn): | 18 |
|---|
| Vessel SOW (kn): | 0 |
|---|
| Actual CPA: | 40 |
|---|
| Data window length: | 0 |
|---|
| Towing/flow speed (m/s) (scale only): | 0 |
|---|
| Engine speed (RPM): | 0 |
|---|
| Propeller speed (RPM): | 0 |
|---|
| Download: | CSV (22B) (License Creative Commons: Public Domain Dedication) |
|---|
|
| Hydrophone depths (m): | 30 |
|---|
| Pitch angle/setting (if applicable): | 0 |
|---|
| Cavitation type (if known): | Unknown |
|---|
| Data presented: | Dipole/affected source level/radiated noise level |
|---|
| Reported values: | UNSPECIFIED |
|---|
| Data averaging: | No averaging (single run, single receiver) |
|---|
| Measurement aspect: | Unknown |
|---|
| Overall broadband sound pressure level: | 165 |
|---|
|
| Vessel SOG (kn): | 17.3 |
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| Vessel SOW (kn): | 0 |
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| Actual CPA: | 590 |
|---|
| Data window length: | 0 |
|---|
| Towing/flow speed (m/s) (scale only): | 0 |
|---|
| Engine speed (RPM): | 0 |
|---|
| Propeller speed (RPM): | 0 |
|---|
| Download: | CSV (22B) (License Creative Commons: Public Domain Dedication) |
|---|
|
| Hydrophone depths (m): | 30 |
|---|
| Pitch angle/setting (if applicable): | 0 |
|---|
| Cavitation type (if known): | Unknown |
|---|
| Data presented: | Dipole/affected source level/radiated noise level |
|---|
| Reported values: | UNSPECIFIED |
|---|
| Data averaging: | No averaging (single run, single receiver) |
|---|
| Measurement aspect: | Unknown |
|---|
| Overall broadband sound pressure level: | 168 |
|---|
|
| Vessel SOG (kn): | 16.8 |
|---|
| Vessel SOW (kn): | 0 |
|---|
| Actual CPA: | 710 |
|---|
| Data window length: | 0 |
|---|
| Towing/flow speed (m/s) (scale only): | 0 |
|---|
| Engine speed (RPM): | 0 |
|---|
| Propeller speed (RPM): | 0 |
|---|
| Download: | CSV (22B) (License Creative Commons: Public Domain Dedication) |
|---|
|
| Hydrophone depths (m): | 30 |
|---|
| Pitch angle/setting (if applicable): | 0 |
|---|
| Cavitation type (if known): | Unknown |
|---|
| Data presented: | Dipole/affected source level/radiated noise level |
|---|
| Reported values: | UNSPECIFIED |
|---|
| Data averaging: | No averaging (single run, single receiver) |
|---|
| Measurement aspect: | Unknown |
|---|
| Overall broadband sound pressure level: | 172 |
|---|
|
