Detail publikace

Investigating the Effect of Rotor Design Changes on Mechanical Losses Due to Rotor-Fluid Interaction

KUDLÁČEK, P. NOVOTNÝ, P. VACULA, J. KOCMAN, F.

Anglický název

Investigating the Effect of Rotor Design Changes on Mechanical Losses Due to Rotor-Fluid Interaction

Typ

článek v časopise ve Scopus, Jsc

Jazyk

en

Originální abstrakt

The overall efficiency of high-speed rotating machines depends largely on their mechanical efficiency. Mechanical efficiency is not just a matter of bearing losses, but includes all interactions of the rotor with the environment. Analytical and empirical descriptions of turbulent or laminar flow around rotating surfaces have been used to estimate the mechanical losses of a turbocharger rotor based on geometric parameters and operating conditions. Based on the knowledge of the effect of each parameter, design changes to the rotor were proposed. The positive effect of simple design modifications on mechanical losses was experimentally verified by measurements on a test turbocharger.

Anglický abstrakt

The overall efficiency of high-speed rotating machines depends largely on their mechanical efficiency. Mechanical efficiency is not just a matter of bearing losses, but includes all interactions of the rotor with the environment. Analytical and empirical descriptions of turbulent or laminar flow around rotating surfaces have been used to estimate the mechanical losses of a turbocharger rotor based on geometric parameters and operating conditions. Based on the knowledge of the effect of each parameter, design changes to the rotor were proposed. The positive effect of simple design modifications on mechanical losses was experimentally verified by measurements on a test turbocharger.

Klíčová slova anglicky

Turbocharger; rotor fluid interaction; mechanical efficiency; shape modification; friction losses

Vydáno

18.11.2022

Nakladatel

Faculty of Mechanical Engineering of the Slovak University of Technology in Bratislava

Místo

Bratislava

ISSN

2450-5471

Ročník

72

Číslo

03

Strany od–do

71–80

Počet stran

10

BIBTEX


@article{BUT179999,
  author="Petr {Kudláček} and Pavel {Novotný} and Jiří {Vacula} and František {Kocman},
  title="Investigating the Effect of Rotor Design Changes on Mechanical Losses Due to Rotor-Fluid Interaction",
  year="2022",
  volume="72",
  number="03",
  month="November",
  pages="71--80",
  publisher="Faculty of Mechanical Engineering of the Slovak University of Technology in Bratislava",
  address="Bratislava",
  issn="2450-5471"
}