Seventh Framework Programme SONIC
Ship Underwater Radiated Noise Database

Vessel 28 : City of Chichester. Dredger. Length 72m.

Study: Study 21: Full scale. Robinson, S (2010) Marine Aggregate Levy Sustainability Fund (MALSF)
Name:City of Chichester
Type:Dredger
Overall length (m):72
Beam (m):15
Draught (m):5.1
Acoustic centre source depth (m):UNSPECIFIED
Propulsor type:Propeller
Propeller diameter (m):UNSPECIFIED
Design speed of vessel (kn):11
Year constructed:1997
Displacement tonnage (tonnes):UNSPECIFIED
Hull type:Monohull
Number of shafts:2
Propeller fixed or controllable pitch:UNSPECIFIED
Number of blades:UNSPECIFIED
Rated engine power (kW):2720
Known issues that may affect underwater noise levels:Vessel was carrying out dredging operations during measurements.
Gearbox ratio:UNSPECIFIED
Engine RPM at design speed:UNSPECIFIED
Propeller RPM at design speed:UNSPECIFIED

Acquisitions

Download: source spreadsheet XSLX (117kB) (License UNSPECIFIED)

Vessel SOG (kn):0
Vessel SOW (kn):0
Actual CPA:150
Data window length:30
Towing/flow speed (m/s) (scale only):0
Engine speed (RPM):0
Propeller speed (RPM):0
Download:CSV (453B) (License UNSPECIFIED)
Hydrophone depths (m):9, 13, 14, 14, 22, 22
Pitch angle/setting (if applicable):0
Cavitation type (if known):Unknown
Data presented:Monopole source level
Reported values:1/3 octave bands
Data averaging:All runs, multiple receivers
Measurement aspect:Both
Overall broadband sound pressure level:0