Hydrophilic Characterization of Automotive Brake Fluid

    Volume 34, Issue 5 (September 2006)

    ISSN: 0090-3973

    CODEN: JTEOAD

    Published Online: 22 March 2006

    Page Count: 5


    Kao, M-J
    National Taipei University of Technology,

    Tien, D-C
    National Taipei University of Technology,

    Ting, C-C
    Assistant Professor,

    Tsung, T-T
    National Taipei University of Technology,

    (Received 30 August 2005; accepted 25 January 2006)

    Abstract

    This paper presents significant experimental data for hydrophilic characterization of automotive brake fluids. A novel technique is developed for these measurements. Because brake fluid is well known as a hygroscopic fluid, its molecular O-H structure easily allows hydrogen bonding with hydromolecules, e.g., H2O. The moist brake fluid reduces the boiling point and moreover causes the deterioration of the functionality of the brake system. A proximal linear relationship between moisture content and its corresponding resistance for DOT3 brake fluid is found in this study, which uses the signal input of the electronic control unit (ECU) of the brake system. The applied technology of measurement is especially developed in the laboratory, which consists of two functions; the moisture meter and the automatic prewarning system. This instrument changes the controlling conception of a brake system from a passive regular check of brake fluid to an active prewarning for the drivers.


    Paper ID: JTE14254

    DOI: 10.1520/JTE14254

    ASTM International is a member of CrossRef.

    Author
    Title Hydrophilic Characterization of Automotive Brake Fluid
    Symposium , 0000-00-00
    Committee F34