EVOLUTION of automobile radiators is recounted step by step from the primitive water-pipe types to those in use today. Pertinent heat-transfer principles are given to show cause for various changes. The effects of larger engines, higher speeds, quieter operation, are discussed fully.Poor water-jacket design is blamed for a multitude of cooling-system troubles, such as warped valves, valve seats, and cylinder bores, and it is believed that these troubles could be eliminated largely on the drawing board by the water-jacket designer.A special test apparatus, called a “dissipator” and built expressly for testing radiators, is described. Considerable space is devoted to test procedure and discussion of test results on hexagon-core, fin-and-tube core, double-center core, and a new vee-type radiator for different depths, air speeds, and frontal areas. In addition, tests made on a full-sized wind tunnel are discussed and interpreted.Comparisons of water-to-water and oil-to-water methods of dissipating heat are made for both turbulent and non-turbulent types of flow.


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    Title :

    Radiator Development and Car Cooling


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    Pre-1964 SAE Technical Papers ; 1906



    Publication date :

    1936-01-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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