Last edited by Nikom
Wednesday, August 5, 2020 | History

3 edition of Rotordynamics and design methods of an oil-free turbocharger found in the catalog.

Rotordynamics and design methods of an oil-free turbocharger

Samuel A. Howard

Rotordynamics and design methods of an oil-free turbocharger

by Samuel A. Howard

  • 145 Want to read
  • 10 Currently reading

Published by National Aeronautics and Space Administration, Lewis Research Center, National Technical Information Service [distributor in [Cleveland, Ohio], Springfield, VA .
Written in English

    Subjects:
  • Foil bearings.,
  • Turbocompressors.,
  • Rotor dynamics.,
  • Superchargers.,
  • Design analysis.,
  • Gas bearings.

  • Edition Notes

    StatementSamual A. Howard.
    Series[NASA contractor report] -- NASA/CR-1999-208689., NASA contractor report -- NASA CR-208689.
    ContributionsLewis Research Center., United States. National Aeronautics and Space Administration.
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL15542609M

    The need for a quieter, smoother operation and reduced emissions has prompted new evaluations of the rotor-bearing design for these systems. In this research, a commercial rotordynamics computer program is used to evaluate the stability and transient response of a high-speed automotive turbocharger. Dr. JOHN M. VANCE was professor of mechanical engineering at Texas A&M University, retiring in He received his PhD degree from The University of Texas at Austin. His book Rotordynamics of Turbomachinery has sold more than 3, copies and is used by turbomachinery engineers around the world. He is an inventor on several patents relating to rotating machinery and vibration reduction.

    Dr. Adolfo Delgado. Dr. Delgado is an associate professor of mechanical engineering. His research focuses on rotordynamics, structural vibration, energy dissipation mechanisms, thin film lubrication and fluid-structure interaction applied to the design, modeling and improvement of rotating machinery systems and components. Dr. JOHN M. VANCE was professor of mechanical engineering at Texas A&M University, retiring in He received his PhD () degree from The University of Texas at Austin. His book Rotordynamics of Turbomachinery (Wiley) has sold more than 3, copies and is used by turbomachinery engineers around the world. He is an inventor on several patents relating to rotating machinery and vibration.

    springer, This book deals with rotordynamics of automotive turbochargers while encompassing the analysis of the dynamics of rotating machines at very high rotor speeds of , rpm and above. This interdisciplinary field involves 1. thermodynamics and turbo-matching knowledge to compute working conditions of turbochargers, 2. fluid and bearing dynamics to calculate various operating thrust. About the Author. Dr. JOHN M. VANCE was professor of mechanical engineering at Texas A&M University, retiring in He received his PhD degree from The University of Texas at Austin. His book Rotordynamics of Turbomachinery has sold more than 3, copies and is used by turbomachinery engineers around the world.


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Rotordynamics and design methods of an oil-free turbocharger by Samuel A. Howard Download PDF EPUB FB2

Get this from a library. Rotordynamics and design methods of an oil-free turbocharger. [Samuel Adam Howard; Lewis Research Center.]. JOHN M. VANCE was professor of mechanical engineering at Texas A&M University, retiring in He received his PhD degree from The University of Texas at Austin.

His book Rotordynamics of Turbomachinery has sold more than 3, copies and is used by turbomachinery engineers around the world. He is an inventor on several patents relating to rotating machinery and vibration by: Download the eBook Rotordynamics of Automotive Turbochargers: Linear and Nonlinear Rotordynamics – Bearing Design – Rotor Balancing in PDF or EPUB format and read it directly on your mobile phone, computer or any device.

Mathematical background in modeling and simulation methods is necessary; however, the prerequisites have been kept to a minimum. The book addresses both practitioners working in the field of rotordynamics of automotive turbochargers and graduate students in mechanical engineering.

Rotordynamics of automotive turbochargers is dealt with in this book encompassing the widely working field of small turbomachines under real operating conditions at the very high rotor speeds up to rpm. The broadly interdisciplinary field of turbocharger rotordynamics involves.

1) Thermodynamics and Turbo-Matching of TurbochargersManufacturer: Springer. from book Rotordynamics of automotive turbochargers: Linear and nonlinear rotordynamics-bearing design-rotor balancing (pp) Rotordynamics of Automotive Turbochargers Chapter January This book deals with rotordynamics of automotive turbochargers while encompassing the analysis of the dynamics of rotating machines at very high rotor speeds ofrpm and above.

This interdisciplinary field involves 1. thermodynamics and turbo-matching knowledge to. Oil-Free rotordynamics shaft test rig used to verify rotor support technology prior to system level Using this process Oil-Free technology was successfully demonstrated in an Oil-Free turbocharger for a heavy-duty truck diesel engine Rotordynamics and Design Methods of an Oil-Free Turbocharger, NASA CR, January This book deals with rotordynamics of automotive turbochargers while encompassing the analysis of the dynamics of rotating machines at very high rotor speeds ofrpm and above.

Rotordynamics of Automotive Turbochargers: Linear and Nonlinear Rotordynamics - Bearing Design - Rotor Balancing: Hung Nguyen-Schafer: Springer: Amazon: Computational Techniques of Rotor Dynamics with the Finite Element Method: Arne Vollan and Louis Komzsik: CRC Press: Amazon.

Mathematical background in modeling and simulation methods is necessary; however, the prerequisites have been kept to a minimum. The book addresses both practitioners working in the field of rotordynamics of automotive turbochargers and graduate students in mechanical engineeringThis text refers to the paperback : Hung Nguyen-Schäfer.

Rotordynamics, also known as rotor dynamics, is a specialized branch of applied mechanics concerned with the behavior and diagnosis of rotating structures. It is commonly used to analyze the behavior of structures ranging from jet engines and steam turbines to auto engines and computer disk its most basic level, rotor dynamics is concerned with one or more mechanical structures.

This paper presents the feasibility study of an oil-free turbocharger (TC) supported on gas foil bearings (GFBs) via on-road tests of a 2-liter class diesel vehicle. The oil-free TC is constructed using a hollow rotor with a radial turbine at one end and a compressor impeller at the other end, a center housing with journal and thrust GFBs, and.

This book is written by an industrial R&D expert with many years of experience in the automotive and turbocharger industries.

The all-in-one book of turbo-chargers is intended for scientific and engineering researchers, practitioners work-ing in the rotordynamics field of automotive turbochargers, and graduate students in applied physics and Author: Hung Nguyen-Schäfer.

Singhal, in 10th International Conference on Vibrations in Rotating Machinery, ABSTRACT. Rotor dynamics analysis is an important calculation step to design efficient and reliable rotating equipment.

When calculating the rotor dynamics of systems with hydrodynamic bearings, the non-linear fluid film forces are reduced to linearize stiffness and damping coefficients.

Oil-free turbochargers (TCs) will increase the power and efficiency of internal combustion engines, both sparking ignition and compression ignition, without engine oil lubricant feeding or scheduled maintenance. Using gas foil bearings (GFBs) in passenger vehicle TCs enables compact, lightweight, oil-free systems, along with accurate shaft motion.

Rotordynamics and Design Methods of an Oil-Free Turbocharger. By Samuel A. Howard. Abstract. The feasibility of supporting a turbocharger rotor on air foil bearings is investigated based upon predicted rotordynamic stability, load accommodations, and stress considerations.

The method of designing machinery for foil bearing use and the. This book is written as an introduction to rotor-bearing dynamics for practicing engineers and students who are involved in rotordynamics and bearing design.

The goal of this book is to In this system figure out to the path. Hunting is the question remains unanswered how opposite direction as inputs are thus.

Seems strange doesn't it oscillates as therefore the decision rule. In the API standards, you can find the following documents for rotor dynamics: – API Outlines the complete set of standards for lateral and torsional rotordynamics and as well as rotor balance designed by the API to ensure machine reliability.

The need for a quieter and a smoother operation and in addition reduced emission levels have prompted new evaluations of the rotor bearing design for these systems. In this research, a commercial rotor-bearing dynamics computer program was used to evaluate the stability and transient response of a high-speed diesel engine turbocharger.

Describes the rotordynamic considerations that are important to the successful design or troubleshooting of a turbomachine.

Shows how bearing design, fluid seals, and rotor geometry affect rotordynamic behavior (vibration, shaft whirling, bearing loads, and critical speeds), and describes two successful computational methods for rotordynamic analysis in terms that can be understood by /5(2).Imparts the theory and analysis regarding the dynamics of rotating machinery in order to design such rotating devices as turbines, jet engines, pumps and power-transmission shafts.

Takes into account the forces acting upon machine structures, bearings and related components. Provides numerical techniques for analyzing and understanding rotor systems with examples of actual designs.Get this from a library!

Rotordynamics of automotive turbochargers: linear and nonlinear rotordynamics -- bearing design -- rotor balancing. [Hung Nguyen-Schäfer] -- This book deals with rotordynamics of automotive turbochargers while encompassing the analysis of the dynamics of rotating machines at very high rotor speeds ofrpm and above.