| Summary: | 碩士 === 國立臺灣科技大學 === 機械工程系 === 94 === Magnetorhological fluid（or simply“MR”fluid）is a kind of intellectual materials that the mechanical properties can be rapidly changed by the application of magnetic field and is easily controlled. The
application of magnetorheological fluid in heavy artillery reduce the breech force after firing. For example, equation of motion is derived from the analyticl system of the M2 155mm cannon, than design a new type brake. It is equal to the original system according to basic operating modes for MR fluid devices. Compare the difference between MR system and original system while under the influence of the magnetic field.
The analysis results show that MR system in magnetic field can be used to reduce the breech force, displacement, speed and acceleration effectively. Designed artillery to different functions has the advantage of damping-changed and damping-adjusted under different speeds of shooting. If magnetorheological fluid is adopted, breech force can be reduce, and the efficiency recoil can be improved.
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