Computational thermo-fluid analysis of a disk brake

Kenji Takizawa, Tayfun E. Tezduyar, Takashi Kuraishi, Shinichiro Tabata, Hirokazu Takagi

Research output: Contribution to journalArticle

38 Citations (Scopus)

Abstract

We present computational thermo-fluid analysis of a disk brake, including thermo-fluid analysis of the flow around the brake and heat conduction analysis of the disk. The computational challenges include proper representation of the small-scale thermo-fluid behavior, high-resolution representation of the thermo-fluid boundary layers near the spinning solid surfaces, and bringing the heat transfer coefficient (HTC) calculated in the thermo-fluid analysis of the flow to the heat conduction analysis of the spinning disk. The disk brake model used in the analysis closely represents the actual configuration, and this adds to the computational challenges. The components of the method we have developed for computational analysis of the class of problems with these types of challenges include the Space–Time Variational Multiscale method for coupled incompressible flow and thermal transport, ST Slip Interface method for high-resolution representation of the thermo-fluid boundary layers near spinning solid surfaces, and a set of projection methods for different parts of the disk to bring the HTC calculated in the thermo-fluid analysis. With the HTC coming from the thermo-fluid analysis of the flow around the brake, we do the heat conduction analysis of the disk, from the start of the breaking until the disk spinning stops, demonstrating how the method developed works in computational analysis of this complex and challenging problem.

Original languageEnglish
Pages (from-to)1-13
Number of pages13
JournalComputational Mechanics
DOIs
Publication statusAccepted/In press - 2016 Feb 15

Fingerprint

Brakes
Fluid
Fluids
Heat Transfer Coefficient
Heat conduction
Heat transfer coefficients
Heat Conduction
Computational Analysis
Boundary layers
Boundary Layer
High Resolution
Variational multiscale Method
Incompressible flow
Projection Method
Incompressible Flow
Slip
Space-time
Configuration

Keywords

  • Disk brake
  • Heat conduction analysis
  • Heat transfer coefficient
  • Space–Time Slip Interface method
  • Space–Time Variational Multiscale method
  • Thermo-fluid analysis

ASJC Scopus subject areas

  • Computational Theory and Mathematics
  • Mechanical Engineering
  • Ocean Engineering
  • Applied Mathematics
  • Computational Mathematics

Cite this

Computational thermo-fluid analysis of a disk brake. / Takizawa, Kenji; Tezduyar, Tayfun E.; Kuraishi, Takashi; Tabata, Shinichiro; Takagi, Hirokazu.

In: Computational Mechanics, 15.02.2016, p. 1-13.

Research output: Contribution to journalArticle

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