The paper considers the operating heat modes of multidisc oil-cooled vehicle brakes under single and multiple braking, as well as under deceleration over a long downgrade. The initially boundary-value heat problem for the given operating modes of the brake is formulated and solved by the finite-element method. The regularities of formation of nonstationary temperature fields both on the contact surfaces and in the bulk of the brake friction elements are obtained for preset braking modes. The dependences are obtained for the maximal contact surface temperature on the metal counterbody and frictional material vs. the load and velocity parameters of vehicle motion. A method for forecasting the critical operating regimes of multidisc oil-cooled brakes is proposed for the given operation conditions of the vehicle.


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    Title :

    Numerical simulation of operation heat modes of multidisc oil-cooled vehicle brake. Part 1. Heat problem solution


    Additional title:

    Numerische Simulation der Wärmebetriebsarten von ölgekühlten Mehrscheibenfahrzeugbremsen. Teil 1. Lösung des Wärmeproblems


    Contributors:

    Published in:

    Publication date :

    2009


    Size :

    9 Seiten, 12 Bilder, 14 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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