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Supercharging possibilities for motorcycle Suzuki GSX-R 750 k5

Bzinkowski Damian

Mechanik

2021

R. 94, nr 2

28--31

In the paper, possibility for the power increase of motorcycle Suzuki GSX-R 750 is proposed. The turbocompressor available in the market was selected, and its characteristics were checked. Calculations proved that theoretical improvement of 33 kW, which is ca. 29%, was possible, which meant the ratio power to mass could be increased up to 1.1 kW/kg. This way, the discussed motorcycle achievable power could be similar to the ones with engines of stroke capacity 1000 cm3.

W artykule omówiono możliwość zwiększenia mocy motocykla Suzuki GSX-R 750. Wybrano dostępną na rynku turbosprężarkę i sprawdzono jej właściwości. Obliczenia wykazały, że była możliwa teoretyczna poprawa o 33 kW, czyli ok. 29%, co oznaczało, że stosunek mocy do masy można było zwiększyć do 1,1 kW/kg. Tym samym moc osiągalna motocykla mogłaby być zbliżona do pojazdów z silnikami o objętości skokowej 1000 cm3.

Flow characteristics of an automotive compressor with an additively manufactured rotor disc

Andrearczyk Artur

Archives of Thermodynamics

2021

Vol. 42, no 1

3--13

This paper presents the results of experimental research regarding the determination of the flow characteristics of the compressor of an automotive turbocharger with a plastic rotor disc. The disc was manufactured using the 3D printing technology called the multijet printing, which allows complex geometries to be printed with high precision. Currently, in addition to speeding up the manufacturing processes and reducing their costs, 3D printing technologies are increasingly seen as standard tools that can be used in the design and optimization of machine parts. This article is a continuation of research on the possibility of applying additively manufactured elements in turbomachines. The experimental research was carried out at high rotational speeds (up to 110 000 rpm), using the automotive turbocharger with two different compressor rotors (i.e. one aluminum and one polymer). The first chapters of the paper discuss the preparation stage of the research (i.e. the manufacture of the rotor, the test rig). Then, the experimental research and the flow characteristics are described. The results obtained for the two types of discs were compared with each other and the area of application of the additively manufactured rotor was determined. The rotor functioned properly in the range of tested operating parameters and the results obtained showed that the technology and material applied could be used in the optimization studies of the blade systems of high-speed fluid-flow machines.

Development and application of a decision making tool for fault diagnosis of turbocompressor based on Bayesian network and fault tree

Lakehal Abdelaziz, Nahal Mourad, Harouz Riad

Management and Production Engineering Review

2019

Vol. 10, No. 2

16–-24

Fault Tree is one of the traditional and conventional approaches used in fault diagnosis. By identifying combinations of faults in a logical framework it’s possible to define the structure of the fault tree. The same go with Bayesian networks, but the difference of these probabilistic tools is in their ability to reasoning under uncertainty. Some typical constraints to the fault diagnosis have been eliminated by the conversion to a Bayesian network. This paper shows that information processing has become simple and easy through the use of Bayesian networks. The study presented showed that updating knowledge and exploiting new knowledge does not complicate calculations. The contribution is the structural approach of faults diagnosis of turbo compressor qualitatively and quantitatively, the most likely faults are defined in descending order. The approach presented in this paper has been successfully applied to turbo compressor, which represent vital equipment in petrochemical plant.