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Wyszukujesz frazę "operation of engine" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
A method for evaluatingthe performance of a marine piston internal combustion engine used as the main engine on a ship during its voyage in different sailing conditions
Autorzy:
Girtler, J.
Powiązania:
https://bibliotekanauki.pl/articles/259375.pdf
Data publikacji:
2010
Wydawca:
Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:
engine operation
combustion engine performance evaluation
interpretation of energy conversion
Newton-Leibniz formula
model of engine operation
Opis:
A method is presented for evaluating the performance of piston internal combustion engines used as the main engines on sea-going ships and acting in typical operating conditions. These conditions are described taking into account the performance area of engines of this type. The presented method provides opportunities for calculating the numerical effect of the action using the integral calculus. The above effect is presented as a physical quantity expressed by a number with the metric unit called the joule-second. Proposed is the use of types of integrands (which are functional dependences of the energy converted in these engines on time) which make it possible to use the second fundamental theorem of calculus justifying the use of the Newton-Leibniz formula. The object of the analysis is the process of changes of the energy converted in the internal combustion engines during their operation, described with the aid of a deterministic model of the real process taking into account its sample realisation.
Źródło:
Polish Maritime Research; 2010, 4; 31-38
1233-2585
Pojawia się w:
Polish Maritime Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Method of building a model of operational changes for the marine combustion engine describing the impact of the damages of this engine on the characteristics of its operation process
Autorzy:
Landowski, B.
Pająk, M.
Żółtowski, B.
Muślewski, Ł.
Powiązania:
https://bibliotekanauki.pl/articles/258818.pdf
Data publikacji:
2017
Wydawca:
Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:
process of operation
stochastic process
compression ignition engine
condition of object
operating condition
Opis:
This article deals with the modeling of the processes of operating both marine main and auxiliary engines. The paper presents a model of changes in operating conditions of ship’s internal combustion engine. The semi-Markov decision process was used to mathematically describe the process model of the engine. The developed model describes the effect of engine damage on the characteristics of its operation. A change in the input parameters of the model can simulate the influence of internal and external factors on the course of the analyzed process. A simplified calculation example is also presented for illustration purposes. The presented method together with developed algorithms and IT tools can be used to solve a wide range of problems related to the operation of marine main engines and other marine equipment as well as maritime and port facilities. This concerns primarily the economic, risk management and operational security issues of complex technical systems, as well as the readiness and reliability analysis of technical facilities.
Źródło:
Polish Maritime Research; 2017, 4; 67-76
1233-2585
Pojawia się w:
Polish Maritime Research
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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