EVALUATION OF PRESENT METHODS FOR REDUCING NOISES MADE BY VESSELS (WITH CONCENTRATION ON APPLYING CHANGES IN PROPELLER)

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NADERI E.; EMAM R.; ESMAEILI E.

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Seminar Paper

Paper Information

Seminar: INTERNATIONAL CONFERENCE ON COASTS, PORTS AND MARINE STRUCTURES (ICOPMAS) PORTS & MARITIME ORGANIZATION
Year:2012 | Issue:10

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Title

EVALUATION OF PRESENT METHODS FOR REDUCING NOISES MADE BY VESSELS (WITH CONCENTRATION ON APPLYING CHANGES IN PROPELLER)

Author(s)

NADERI E. | EMAM R. | ESMAEILI E.

Keywords

HYDRO-ACOUSTIC NOISE

WAKE CURRENT

VORTEX AND CAVITATION

Abstract

IN RECENT YEARS, NOISES MADE ON THE SHIPS AND IN SEA WERE TAKEN INTO CONSIDERATION FROM TWO POINTS OF VIEW: ENVIRONMENTAL VIEWPOINT (AQUATICS) AND SAFETY VIEWPOINT (REDUCTION OF DANGERS DUE TO CREW TIREDNESS). REGARDING THE EFFECTS OF SHIPS-INDUCED NOISES ON ENVIRONMENT (NOISE POLLUTION), VARIOUS STUDIES HAVE BEEN DONE WHICH THEIR RESULTS WERE PRESENTED ON THE MEETINGS OF MARINE ENVIRONMENT PROTECTION COMMITTEE (MEPC) OF IMO. THE MOST GENERAL FACTORS MAKING UNDERWATER NOISES ARE: PROPELLER, INSTRUMENTS, AND MOVEMENT OF THE VESSELS IN WATER. REGARDING THE EXTRA NOISES MADE ON THE SHIPS, THE SUB-COMMITTEE ON SHIP SYSTEMS AND EQUIPMENT (SSE) OF IMO IS DOING SOME ACTIONS ON TURNING THE PRESENT OPTIONAL CODE OF PERMISSIBLE SOUND LEVEL ON THE SIP TO OBLIGATORY CODE. THE PURPOSE OF THE PRESENT STUDY IS TO INVESTIGATE THE PRESENT METHODS FOR REDUCING NOISES MADE BY VESSELS BY CONCENTRATION ON APPLYING SOME CHANGES ON SHIPS PROPELLER.

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APA: Copy

NADERI, E., EMAM, R., & ESMAEILI, E.. (2012). EVALUATION OF PRESENT METHODS FOR REDUCING NOISES MADE BY VESSELS (WITH CONCENTRATION ON APPLYING CHANGES IN PROPELLER). INTERNATIONAL CONFERENCE ON COASTS, PORTS AND MARINE STRUCTURES (ICOPMAS). SID. https://sid.ir/paper/907708/en

Vancouver: Copy

NADERI E., EMAM R., ESMAEILI E.. EVALUATION OF PRESENT METHODS FOR REDUCING NOISES MADE BY VESSELS (WITH CONCENTRATION ON APPLYING CHANGES IN PROPELLER). 2012. Available from: https://sid.ir/paper/907708/en

IEEE: Copy

E. NADERI, R. EMAM, and E. ESMAEILI, “EVALUATION OF PRESENT METHODS FOR REDUCING NOISES MADE BY VESSELS (WITH CONCENTRATION ON APPLYING CHANGES IN PROPELLER),” presented at the INTERNATIONAL CONFERENCE ON COASTS, PORTS AND MARINE STRUCTURES (ICOPMAS). 2012, [Online]. Available: https://sid.ir/paper/907708/en

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