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2017-10-08
Technical Paper
2017-01-2218
Roman Varbanets, Sergey Karianskyi, Sergey Rudenko, Igor V. Gritsuk, Aleksey Yeryganov, Olena Kyrylash, Nadezhda Aleksandrovskaya
Abstract Operability and efficiency of transport diesel engines significantly depend on periodical diagnosis of its technical condition. The article considers the features of monitoring and diagnostic of transport diesel engines with the help of vibroacoustic analysis of high pressure fuel equipment and gas distribution mechanism. Functional scheme of diagnostic system and analytical method of TDC determination is described. Article gives an example of four-stroke and two-stroke diesel engines diagnosis. Also the article shows turbocharger speed determination and diagnosis with the help of vibroacoustic spectrum analysis. The main feature of the given methods is their high efficiency for diagnosis of transport diesel engines during operation.
2017-07-24
Technical Paper
2017-01-5003
Igor V. Gritsuk, Valery Aleksandrov, Sergii Panchenko, Artur Kagramanian, Oksana Sobol, Aleksandr Sobolev, Roman Varbanets
Abstract Thermal control of a vehicle engine operation is a key aspect of the development of a vehicle warming-up systems. The use of heat accumulators and phase transition heat-accumulating materials is perspective. The given article describes the ways of improving thermal properties of phase transition heat-accumulating materials in the processes of their designing, the efficient ways of heat transfer from phase transition heat-accumulating materials to heat carrying agent of heat accumulators and then to vehicles. To create reliable phase transition heat-accumulating materials, different ways of their realization are suggested. One of them is the construction of the corresponding phase diagrams to determine an optimal composition of phase transition heat-accumulating materials with higher thermal properties to operate in a given temperature range.
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