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Ansys Products

Ansys Products

Discuss installation & licensing of our Ansys Teaching and Research products.

Thermal Capacitance and resistances

    • Sriganeshkumar Ravikumar
      Subscriber

      Hello,

      I was simulating a steady state simulation and exporting thermal matrices at two different break points one at 20 Nm @ 1000 rpm and another at 100 Nm @5000 rpm.

      To my surprise I have got same values of thermal capacitance but the thermal resistances are varies.

      what would be the reason for these variation?

    • HDLI
      Ansys Employee

      Hello Sriganeshkumar,

             I think thermal resistance would change by the heat transfer. When having same heat transfer coefficient, high power may have a high thermal resistance between ambient and housing due to convection. The thermal capacitance would be determined by the size and materail properties.

      HDLI

       

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