Abstract
Turbocharger is an important part of marine diesel engine installed as main propulsion on board. It is in operation from the outset and throughout the marine diesel engine exploitation. In order to meet high reliability criteria, a combination of mathematical, IT and simulation methods should be used. The original mathematical model of turbocharger has been shown in five stages. The paper presents database link from the AMOS maintenance software package, a mathematical model elaborated by using Markov chains and a systematic-dynamic simulation model elaborated in the POWERSIM simulation programme. Results will be used to monitor and predict reliability and availability of turbocharger in ship’s propulsion system.
Highlights
All ship's systems, including turbocharger, must fulfil all the requirements as prescribed, i.e. reliability and availability throughout the ship's period of exploitation
The paper presents database link from the AMOS maintenance software package, a mathematical model elaborated by using Markov chains and a systematic-dynamic simulation model elaborated in the POWERSIM simulation programme
By using the database of AMOS maintenance software package for marine diesel engine, model parameters are calculated, as well as the number of status shifts and the time spent under respective turbocharger statuses
Summary
All ship's systems, including turbocharger, must fulfil all the requirements as prescribed, i.e. reliability and availability throughout the ship's period of exploitation. By regular monitoring of the operation and turbocharger maintenance through utilizing the AMOS maintenance software package, it is easy to fulfil the prescribed requirements [1,2,3]. Extended maintenance intervals may have very costly consequences but on the other hand, it may not be economical to perform it too frequently, [4]. Data for elaboration of the mathematical and simulation model have been collected from the AMOS database on the m/v Exp [5]. The results obtained by simulation with the programme package POWERSIM will be used to compare, monitor and predict reliability and availability of turbocharger while the ship is in exploitation [6,7,8]
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