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SMM - Ship Performance®
SOFTWARE FOR ALL TYPES OF SHIPS
Quotation Trial Version Further Information
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Performance issues are a consistent presence in the relationship between an Owner and Charterer. Performance (speed/consumption) claims remain a common complaint from Charterers and a common source of deductions from hire. The frequency of such claims over the last five-six years (since the crash in hire rates in early 2009) is more often than attributed to the technological advances in monitoring vessels adopted by Charterers.

SMM-Ship Performance takes into account the conditions which should apply for a fair evaluation of ship’s performance. Subsequently, when all conditions exist, the ship will be expected to demonstrate an ability to perform at the promised speed and consumption and will only be excused from doing so if one or more of the warranty conditions is/are absent. Therefore, the SMM-SP user establishes sufficient individual and cumulative periods of warranty conditions, with respective sets of quality measurements to permit a reliable and objective assessment of the ship’s performance.

SMM-Ship Performance is a powerful software for the assessment of ship propulsion performance based on power and fuel consumption, evaluation of voyage performance as per Charter Party terms and provisions, calculation of light running margin and monitoring of underwater hull surface, condition.

SMM-Ship Performance® (SP) is a powerful toolbox for the assessment of ship propulsion performance, without the need to decompose the ship resistance elements, nor introducing uncertainties for normalizing actual operating conditions and measurements. The method utilized in SMM-SP is based on the principle that the propeller does not sense wind, waves, fouling or any other resistance. It does sense a reduction in the rate of inflow.

More precisely, the rate of inflow variation which is incorporated in the ship’s apparent slip; is related to a reference power for a range of operating speeds. The benefit of this method is that it is always applicable since it is not affected from the fluctuating environmental, vessel and hull & propeller conditions, provided that the propeller stays submerged and the ship does not drift.

The benefits of the Slip Method are outlined in the following paper:

L Karaminas & T Shen, ‘Ship Powering Performance – Learning from the Challenges Faced by Owners’, 2016: The Royal Institution of Naval Architects, 23-24 November 2016

The software is provided for both onboard and office use and can be installed easily on every operational PC that meets the mentioned system requirements (please refer to the last section) and it is accompanied by analytical guide for installation, training, guidance, as well as prompt support from SMM (UK) Ltd.

The analytical Manual for familiarization and training purposes is incorporated electronically in the software.

SMM SHIP PERFORMANCE – FUNCTIONS OF VESSEL AND OFFICE APPLICATION

With the software in place, the user can then:
  • Evaluate the voyage performance against Charter Party terms and provisions.
  • Compare the measured values during service with the respective reference values for power and fuel consumption.
  • Monitor the light running margin due to increased roughness and fouling over time.
  • Monitor the condition of the underwater hull surface and derivation of the savings from hull cleaning or new coating application.

COMMUNICATION BETWEEN VESSEL AND OFFICE
  • In every onboard use of software, automatic synchronization of data between vessel and office is effected.
  • Besides above automatic data/entries synchronization, there is, also, the option, the entries to be exported and imported on every installed software.
  • The office version as fleet based, includes the list of the whole fleet and the user can select a certain vessel in order to examine further her records.



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