Abstract

Sliding friction torque does dissipative work on the force-bearer, transforming the kinetic energy of the bearer into internal energy and others of the bearer. Sliding friction countertorque does dissipative work on the applying body, transforming the kinetic energy of the bearer into internal energy and others of the applying body. In the experiment, the dissipative work done by sliding friction torque on the bearer is measured and calculated, the increase value of the internal energy of the bearer is measured and calculated, and the increase value of the internal energy of the applying body is measured and calculated. The consistency between their respective dissipative work and their respective internal energy increase value is compared.

Highlights

  • Conservative force or non-conservative force can do non-dissipative work to transfer mechanical energy, and non-conservative force can do dissipative work to transform mechanical energy into other forms of energy

  • This is the prediction of the new kinetic energy theorem of rigid body fixed axis rotation on numerical relation that in the adiabatic process with wear neglected, all sliding friction torque and all sliding friction countertorque do dissipative work on their respective force-bearers and transform the kinetic energy of rigid body J0 into internal energy increment infinitesimal of their respective force-bearers

  • Based on the new kinetic energy theorem of rigid body fixed axis rotation, dissipative work done by sliding friction torque and sliding friction countertorque on their respective force-bearing friction pairs can be calculated, and internal energy increment of two friction pairs during friction can be measured

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Summary

Introduction

Conservative force (torque) or non-conservative force (torque) can do non-dissipative work to transfer mechanical energy, and non-conservative force (torque) can do dissipative work to transform mechanical energy into other forms of energy. Non-conservative force (torque) does dissipative work, and nonconservative reacting force (torque) does the equivalent dissipative work at the same time This is a law of motion energy transformation of matter. In an adiabatic process, the sliding friction torque does dissipative work and the sliding friction countertorque does equivalent dissipative work at the same time Both transform the kinetic energy of rigid body J0 into internal energy increment infinitesimals dU0 and dUj of respective force-bearers. This is the prediction of the new kinetic energy theorem of rigid body fixed axis rotation on numerical relation that in the adiabatic process with wear neglected, all sliding friction torque and all sliding friction countertorque do dissipative work on their respective force-bearers and transform the kinetic energy of rigid body J0 into internal energy increment infinitesimal of their respective force-bearers

The experiment devices
The verification experiment principle
Experimental matters needing attention
Conclusions
Full Text
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