Browse Publications Technical Papers 2012-36-0304

Solutions for Bearing Fixation on Aluminum Water Pump Housing and Anchorage Enhancement Considering High Temperature Operation for Materials with Different Coefficient of Thermal Expansion 2012-36-0304

As part of any water pump development for engine cooling system, the interaction between materials with different coefficient of thermal expansion is unexceptional. Though in very specific applications where the coolant temperature is over 115°C several factors and variables can cause movement between parts because of the interference and coefficient of thermal expansion interaction combined with engine vibration and external loads.
These factors were listed and evaluated considering several variables being validated physically and by simulation resulting on an optimized method to enhance this kind of fixation.


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